├── .classpath
├── .gitignore
├── AndroidManifest.xml
├── LICENSE-GPL-2
├── README.md
├── libs
    ├── android-support-v4.jar
    └── simplecontentprovider.jar
├── proguard.cfg
├── project.properties
├── res
    ├── drawable-hdpi
    │   ├── ic_allapps.png
    │   ├── ic_allapps_pressed.png
    │   └── ic_launcher.png
    ├── drawable-mdpi
    │   ├── ic_allapps.png
    │   ├── ic_allapps_pressed.png
    │   └── ic_launcher.png
    ├── drawable
    │   └── all_apps_button_icon.xml
    ├── layout
    │   ├── launcher_item.xml
    │   ├── main.xml
    │   └── password.xml
    ├── menu
    │   └── main.xml
    ├── values
    │   └── strings.xml
    └── xml
    │   └── preferences.xml
└── src
    ├── com
        ├── example
        │   └── android
        │   │   └── home
        │   │       └── ApplicationInfo.java
        └── google
        │   └── zxing
        │       └── integration
        │           └── android
        │               ├── IntentIntegrator.java
        │               └── IntentResult.java
    └── edu
        └── mit
            └── mobile
                └── android
                    └── demomode
                        ├── DemoMode.java
                        ├── HomescreenProvider.java
                        ├── LauncherItem.java
                        └── Preferences.java


/.classpath:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <classpath>
 3 | 	<classpathentry kind="src" path="src"/>
 4 | 	<classpathentry kind="src" path="gen"/>
 5 | 	<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
 6 | 	<classpathentry kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
 7 | 	<classpathentry kind="lib" path="libs/android-support-v4.jar"/>
 8 | 	<classpathentry kind="lib" path="libs/simplecontentprovider.jar"/>
 9 | 	<classpathentry kind="output" path="bin/classes"/>
10 | </classpath>
11 | 


--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
1 | bin/
2 | gen/
3 | deploy/
4 | .project
5 | 


--------------------------------------------------------------------------------
/AndroidManifest.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     package="edu.mit.mobile.android.demomode"
 4 |     android:versionCode="2"
 5 |     android:versionName="1.0.1" >
 6 | 
 7 |     <uses-sdk
 8 |         android:minSdkVersion="8"
 9 |         android:targetSdkVersion="17" />
10 | 
11 |     <application android:allowBackup="true"
12 |         android:icon="@drawable/ic_launcher"
13 |         android:label="@string/app_name" >
14 |         <activity
15 |             android:name=".DemoMode"
16 |             android:label="@string/app_name"
17 |             android:launchMode="singleInstance"
18 |             android:theme="@android:style/Theme.Wallpaper.NoTitleBar" >
19 |             <intent-filter>
20 |                 <action android:name="android.intent.action.MAIN" />
21 | 
22 |                 <category android:name="android.intent.category.HOME" />
23 |                 <category android:name="android.intent.category.DEFAULT" />
24 |             </intent-filter>
25 |             <intent-filter>
26 |                 <data
27 |                     android:mimeType="application/x-demo-mode"
28 |                     android:scheme="data" />
29 | 
30 |                 <action android:name="android.intent.action.VIEW" />
31 | 
32 |                 <category android:name="android.intent.category.DEFAULT" />
33 |             </intent-filter>
34 |         </activity>
35 |         <activity
36 |             android:name="Preferences"
37 |             android:label="@string/app_name"
38 |             android:launchMode="singleTask" >
39 |             <intent-filter>
40 |                 <action android:name="android.intent.action.MAIN" />
41 | 
42 |                 <category android:name="android.intent.category.LAUNCHER" />
43 |                 <category android:name="android.intent.category.DEFAULT" />
44 |             </intent-filter>
45 |         </activity>
46 | 
47 |         <provider
48 |             android:name="HomescreenProvider"
49 |             android:authorities="edu.mit.mobile.android.demomode"
50 |             android:exported="false"
51 |             android:permission="edu.mit.mobile.android.demomode.HOMESCREEN_APPS" >
52 |         </provider>
53 |     </application>
54 | 
55 | </manifest>


--------------------------------------------------------------------------------
/LICENSE-GPL-2:
--------------------------------------------------------------------------------
  1 | 		    GNU GENERAL PUBLIC LICENSE
  2 | 		       Version 2, June 1991
  3 | 
  4 |  Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
  5 |  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  6 |  Everyone is permitted to copy and distribute verbatim copies
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  8 | 
  9 | 			    Preamble
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 15 | General Public License applies to most of the Free Software
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 91 | of it, thus forming a work based on the Program, and copy and
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225 | 
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235 | the limitation as if written in the body of this License.
236 | 
237 |   9. The Free Software Foundation may publish revised and/or new versions
238 | of the General Public License from time to time.  Such new versions will
239 | be similar in spirit to the present version, but may differ in detail to
240 | address new problems or concerns.
241 | 
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243 | specifies a version number of this License which applies to it and "any
244 | later version", you have the option of following the terms and conditions
245 | either of that version or of any later version published by the Free
246 | Software Foundation.  If the Program does not specify a version number of
247 | this License, you may choose any version ever published by the Free Software
248 | Foundation.
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250 |   10. If you wish to incorporate parts of the Program into other free
251 | programs whose distribution conditions are different, write to the author
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254 | make exceptions for this.  Our decision will be guided by the two goals
255 | of preserving the free status of all derivatives of our free software and
256 | of promoting the sharing and reuse of software generally.
257 | 
258 | 			    NO WARRANTY
259 | 
260 |   11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
261 | FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
262 | OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
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267 | PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
268 | REPAIR OR CORRECTION.
269 | 
270 |   12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
271 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
272 | REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
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275 | TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
276 | YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
277 | PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
278 | POSSIBILITY OF SUCH DAMAGES.
279 | 
280 | 		     END OF TERMS AND CONDITIONS
281 | 
282 | 	    How to Apply These Terms to Your New Programs
283 | 
284 |   If you develop a new program, and you want it to be of the greatest
285 | possible use to the public, the best way to achieve this is to make it
286 | free software which everyone can redistribute and change under these terms.
287 | 
288 |   To do so, attach the following notices to the program.  It is safest
289 | to attach them to the start of each source file to most effectively
290 | convey the exclusion of warranty; and each file should have at least
291 | the "copyright" line and a pointer to where the full notice is found.
292 | 
293 |     <one line to give the program's name and a brief idea of what it does.>
294 |     Copyright (C) <year>  <name of author>
295 | 
296 |     This program is free software; you can redistribute it and/or modify
297 |     it under the terms of the GNU General Public License as published by
298 |     the Free Software Foundation; either version 2 of the License, or
299 |     (at your option) any later version.
300 | 
301 |     This program is distributed in the hope that it will be useful,
302 |     but WITHOUT ANY WARRANTY; without even the implied warranty of
303 |     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
304 |     GNU General Public License for more details.
305 | 
306 |     You should have received a copy of the GNU General Public License along
307 |     with this program; if not, write to the Free Software Foundation, Inc.,
308 |     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
309 | 
310 | Also add information on how to contact you by electronic and paper mail.
311 | 
312 | If the program is interactive, make it output a short notice like this
313 | when it starts in an interactive mode:
314 | 
315 |     Gnomovision version 69, Copyright (C) year name of author
316 |     Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
317 |     This is free software, and you are welcome to redistribute it
318 |     under certain conditions; type `show c' for details.
319 | 
320 | The hypothetical commands `show w' and `show c' should show the appropriate
321 | parts of the General Public License.  Of course, the commands you use may
322 | be called something other than `show w' and `show c'; they could even be
323 | mouse-clicks or menu items--whatever suits your program.
324 | 
325 | You should also get your employer (if you work as a programmer) or your
326 | school, if any, to sign a "copyright disclaimer" for the program, if
327 | necessary.  Here is a sample; alter the names:
328 | 
329 |   Yoyodyne, Inc., hereby disclaims all copyright interest in the program
330 |   `Gnomovision' (which makes passes at compilers) written by James Hacker.
331 | 
332 |   <signature of Ty Coon>, 1 April 1989
333 |   Ty Coon, President of Vice
334 | 
335 | This General Public License does not permit incorporating your program into
336 | proprietary programs.  If your program is a subroutine library, you may
337 | consider it more useful to permit linking proprietary applications with the
338 | library.  If this is what you want to do, use the GNU Lesser General
339 | Public License instead of this License.
340 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | Demo Mode
 2 | =========
 3 | 
 4 | Free kiosk or demo mode for Android.
 5 | 
 6 | Demo Mode is an Android homescreen replacement that lets you deploy devices in
 7 | the field without worrying about people being distracted by the other apps or
 8 | other features on the phone. A restricted set of apps can easily be placed on
 9 | the homescreen and protected by an unlock code.
10 | 
11 | The default password is `meldemo` and can be changed interactively in the
12 | settings or by editing `res/xml/preferences.xml` in the source. You should
13 | probably change it; the QR code provisioner will copy your password to all
14 | the devices for you so you only need to enter it once.
15 | 
16 | Provisioning
17 | ------------
18 | 
19 | One device can be configured and its configuration can be shared to provision
20 | multiple devices by way of a QR code. This allows for provisioning in
21 | environments without a network connection and without the need for a central
22 | provisioning server.
23 | 
24 | Currently, the provisioner copies the following:
25 | 
26 | * password
27 | * homescreen configuration
28 | 
29 | Demo Mode and the [ZXing barcode reader][zxing] must first be installed on each
30 | device to use this functionality.
31 | 
32 | Disclaimer
33 | ----------
34 | 
35 | While Demo Mode makes every attempt to restrict the device, Android is an open
36 | ecosystem and individual devices will be more or less possible to restrict. For
37 | example, HTC's Sense UI has a bug in it that make it possible to get at a
38 | standard homescreen when the device reboots. This is not something that one can
39 | easily workaround, but is also not something that a person using the device
40 | for a short period of time would commonly encounter.
41 | 
42 | This tool is designed to help steer the focus of the device's usage toward a
43 | single set of applications and is not designed to be an entirely foolproof
44 | lock-down mechanism.
45 | 
46 | Building
47 | --------
48 | 
49 | Demo Mode requires [SimpleContentProvider][simplecontentprovider]. A
50 | pre-compiled copy comes with this app for convenience, but one can easily link
51 | it in via source.
52 | 
53 | License
54 | -------
55 | Android Demo Mode  
56 | Copyright (C) 2012-2013 [MIT Mobile Experience Lab][mel]
57 | 
58 | This program is free software; you can redistribute it and/or
59 | modify it under the terms of the GNU General Public License Version 2
60 | as published by the Free Software Foundation.
61 | 
62 | This program is distributed in the hope that it will be useful,
63 | but WITHOUT ANY WARRANTY; without even the implied warranty of
64 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
65 | GNU General Public License for more details.
66 | 
67 | You should have received a copy of the GNU General Public License
68 | along with this program.  If not, see <http://www.gnu.org/licenses/>.
69 | 
70 | [zxing]: http://code.google.com/p/zxing/
71 | [simplecontentprovider]: https://github.com/mitmel/SimpleContentProvider
72 | [mel]: http://mobile.mit.edu/
73 | 


--------------------------------------------------------------------------------
/libs/android-support-v4.jar:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/mitmel/Demo-Mode/4b5baba9d38b827f5ac52b7eeea5cde7410604e8/libs/android-support-v4.jar


--------------------------------------------------------------------------------
/libs/simplecontentprovider.jar:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/mitmel/Demo-Mode/4b5baba9d38b827f5ac52b7eeea5cde7410604e8/libs/simplecontentprovider.jar


--------------------------------------------------------------------------------
/proguard.cfg:
--------------------------------------------------------------------------------
 1 | -optimizationpasses 5
 2 | -dontusemixedcaseclassnames
 3 | -dontskipnonpubliclibraryclasses
 4 | -dontpreverify
 5 | -verbose
 6 | -optimizations !code/simplification/arithmetic,!field/*,!class/merging/*
 7 | 
 8 | -keep public class * extends android.app.Activity
 9 | -keep public class * extends android.app.Application
10 | -keep public class * extends android.app.Service
11 | -keep public class * extends android.content.BroadcastReceiver
12 | -keep public class * extends android.content.ContentProvider
13 | -keep public class * extends android.app.backup.BackupAgentHelper
14 | -keep public class * extends android.preference.Preference
15 | -keep public class com.android.vending.licensing.ILicensingService
16 | 
17 | -keepclasseswithmembernames class * {
18 |     native <methods>;
19 | }
20 | 
21 | -keepclasseswithmembers class * {
22 |     public <init>(android.content.Context, android.util.AttributeSet);
23 | }
24 | 
25 | -keepclasseswithmembers class * {
26 |     public <init>(android.content.Context, android.util.AttributeSet, int);
27 | }
28 | 
29 | -keepclassmembers class * extends android.app.Activity {
30 |    public void *(android.view.View);
31 | }
32 | 
33 | -keepclassmembers enum * {
34 |     public static **[] values();
35 |     public static ** valueOf(java.lang.String);
36 | }
37 | 
38 | -keep class * implements android.os.Parcelable {
39 |   public static final android.os.Parcelable$Creator *;
40 | }
41 | 


--------------------------------------------------------------------------------
/project.properties:
--------------------------------------------------------------------------------
 1 | # This file is automatically generated by Android Tools.
 2 | # Do not modify this file -- YOUR CHANGES WILL BE ERASED!
 3 | #
 4 | # This file must be checked in Version Control Systems.
 5 | #
 6 | # To customize properties used by the Ant build system use,
 7 | # "ant.properties", and override values to adapt the script to your
 8 | # project structure.
 9 | 
10 | # Project target.
11 | target=android-17
12 | 


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/res/drawable-hdpi/ic_allapps.png:
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/res/drawable-hdpi/ic_allapps_pressed.png:
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/res/drawable-hdpi/ic_launcher.png:
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/res/drawable-mdpi/ic_launcher.png:
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/res/drawable/all_apps_button_icon.xml:
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 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <!-- Copyright (C) 2011 The Android Open Source Project
 3 | 
 4 |      Licensed under the Apache License, Version 2.0 (the "License");
 5 |      you may not use this file except in compliance with the License.
 6 |      You may obtain a copy of the License at
 7 | 
 8 |           http://www.apache.org/licenses/LICENSE-2.0
 9 | 
10 |      Unless required by applicable law or agreed to in writing, software
11 |      distributed under the License is distributed on an "AS IS" BASIS,
12 |      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 |      See the License for the specific language governing permissions and
14 |      limitations under the License.
15 | -->
16 | 
17 | <selector xmlns:android="http://schemas.android.com/apk/res/android">
18 |     <item android:state_focused="true" android:drawable="@drawable/ic_allapps_pressed" />
19 |     <item android:state_pressed="true" android:drawable="@drawable/ic_allapps_pressed" />
20 |     <item android:drawable="@drawable/ic_allapps" />
21 | </selector>
22 | 


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/res/layout/launcher_item.xml:
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 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <TextView xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     android:id="@+id/label"
 4 |     android:layout_width="fill_parent"
 5 |     android:layout_height="78dip"
 6 |     android:ellipsize="end"
 7 |     android:paddingTop="4dip"
 8 |     android:gravity="center_horizontal"
 9 |     android:shadowColor="@android:color/black"
10 |     android:shadowRadius="2.5"
11 |     android:singleLine="true"
12 |     android:textStyle="bold"
13 |     android:textColor="#ffffff"
14 |     
15 |     android:textAppearance="?android:attr/textAppearanceSmall"
16 |      />
17 | 


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/res/layout/main.xml:
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 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <merge xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     android:id="@+id/FrameLayout1"
 4 |     android:layout_width="fill_parent"
 5 |     android:layout_height="fill_parent" >
 6 | 
 7 |     <GridView
 8 |         android:id="@+id/grid"
 9 |         android:layout_width="match_parent"
10 |         android:layout_height="match_parent"
11 |         android:columnWidth="100dip"
12 |         android:gravity="center"
13 |         android:numColumns="auto_fit"
14 |         android:padding="30dip"
15 |         android:horizontalSpacing="10dip"
16 |         android:verticalSpacing="20dip"
17 |         android:scrollbars="none"
18 |         android:stretchMode="columnWidth" >
19 |     </GridView>
20 | 
21 |     <SlidingDrawer
22 |         android:id="@+id/slidingDrawer1"
23 |         android:layout_width="match_parent"
24 |         android:layout_height="match_parent"
25 |         android:content="@+id/content"
26 |         android:handle="@+id/handle" >
27 | 
28 |         <Button
29 |             android:id="@+id/handle"
30 |             android:layout_width="wrap_content"
31 |             android:layout_height="wrap_content"
32 |             android:layout_margin="5dip"
33 |             android:background="@drawable/all_apps_button_icon" />
34 | 
35 |         <LinearLayout
36 |             android:id="@+id/content"
37 |             android:layout_width="match_parent"
38 |             android:layout_height="match_parent"
39 |             android:background="#aa000000" >
40 | 
41 |             <GridView
42 |                 android:id="@+id/all_apps"
43 |                 android:layout_width="match_parent"
44 |                 android:layout_height="match_parent"
45 |                 android:columnWidth="128dip"
46 |                 android:gravity="center"
47 |                 android:numColumns="auto_fit"
48 |                 android:stretchMode="columnWidth" >
49 |             </GridView>
50 |         </LinearLayout>
51 |     </SlidingDrawer>
52 | 
53 | </merge>


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/res/layout/password.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <EditText xmlns:android="http://schemas.android.com/apk/res/android"
3 |     android:id="@+id/password"
4 |     android:layout_width="match_parent"
5 |     android:layout_height="wrap_content"
6 |     android:hint="@string/password"
7 |     android:inputType="textPassword" >
8 | 
9 | </EditText>


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/res/menu/main.xml:
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 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <menu xmlns:android="http://schemas.android.com/apk/res/android" >
 3 | 
 4 |     <item
 5 |         android:id="@+id/settings"
 6 |         android:icon="@android:drawable/ic_menu_preferences"
 7 |         android:title="@string/settings"/>
 8 |     <item
 9 |         android:id="@+id/lock"
10 |         android:title="@string/lock"/>
11 |     <item
12 |         android:id="@+id/unlock"
13 |         android:icon="@android:drawable/ic_menu_close_clear_cancel"
14 |         android:title="@string/unlock"
15 |         android:visible="false"/>
16 |     <item
17 |         android:id="@+id/preferences"
18 |         android:icon="@android:drawable/ic_menu_preferences"
19 |         android:title="@string/configure"/>
20 | 
21 | </menu>


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/res/values/strings.xml:
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 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <resources>
 3 | 
 4 |     <string name="app_name">Demo Mode</string>
 5 |     <string name="settings">Settings</string>
 6 |     <string name="lock">Lock</string>
 7 |     <string name="unlock">Unlock</string>
 8 |     <string name="password">password</string>
 9 |     <string name="enable_dm">Enable Demo Mode</string>
10 |     <string name="share_config">Share Config</string>
11 |     <string name="scan_config">Scan Config</string>
12 |     <string name="configure">Configure Demo Mode</string>
13 |     <string name="toast_incorrect_password">Incorrect password</string>
14 | 
15 | </resources>
16 | 


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/res/xml/preferences.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" >
3 |     <CheckBoxPreference android:key="enable" android:title="@string/enable_dm" android:defaultValue="true" />
4 |     <EditTextPreference android:key="password" android:title="@string/password" android:inputType="textPassword" android:defaultValue="meldemo" android:dependency="enable" />
5 | 
6 |     <Preference android:key="share_config" android:title="@string/share_config" android:dependency="enable" />
7 |     <Preference android:key="scan_config" android:title="@string/scan_config" android:dependency="enable" />
8 | 
9 | </PreferenceScreen>


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/src/com/example/android/home/ApplicationInfo.java:
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 1 | /*
 2 |  * Copyright (C) 2007 The Android Open Source Project
 3 |  *
 4 |  * Licensed under the Apache License, Version 2.0 (the "License");
 5 |  * you may not use this file except in compliance with the License.
 6 |  * You may obtain a copy of the License at
 7 |  *
 8 |  *      http://www.apache.org/licenses/LICENSE-2.0
 9 |  *
10 |  * Unless required by applicable law or agreed to in writing, software
11 |  * distributed under the License is distributed on an "AS IS" BASIS,
12 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 |  * See the License for the specific language governing permissions and
14 |  * limitations under the License.
15 |  */
16 | 
17 | package com.example.android.home;
18 | 
19 | import android.content.ComponentName;
20 | import android.content.Intent;
21 | import android.graphics.drawable.Drawable;
22 | 
23 | /**
24 |  * Represents a launchable application. An application is made of a name (or title), an intent
25 |  * and an icon.
26 |  */
27 | public class ApplicationInfo {
28 |     /**
29 |      * The application name.
30 |      */
31 | 	public CharSequence title;
32 | 
33 |     /**
34 |      * The intent used to start the application.
35 |      */
36 | 	public Intent intent;
37 | 
38 |     /**
39 |      * The application icon.
40 |      */
41 | 	public Drawable icon;
42 | 
43 |     /**
44 |      * When set to true, indicates that the icon has been resized.
45 |      */
46 | 	public boolean filtered;
47 | 
48 |     /**
49 |      * Creates the application intent based on a component name and various launch flags.
50 |      *
51 |      * @param className the class name of the component representing the intent
52 |      * @param launchFlags the launch flags
53 |      */
54 | 	public final void setActivity(ComponentName className, int launchFlags) {
55 |         intent = new Intent(Intent.ACTION_MAIN);
56 |         intent.addCategory(Intent.CATEGORY_LAUNCHER);
57 |         intent.setComponent(className);
58 |         intent.setFlags(launchFlags);
59 |     }
60 | 
61 |     @Override
62 |     public boolean equals(Object o) {
63 |         if (this == o) {
64 |             return true;
65 |         }
66 |         if (!(o instanceof ApplicationInfo)) {
67 |             return false;
68 |         }
69 | 
70 |         final ApplicationInfo that = (ApplicationInfo) o;
71 |         return title.equals(that.title) &&
72 |                 intent.getComponent().getClassName().equals(
73 |                         that.intent.getComponent().getClassName());
74 |     }
75 | 
76 |     @Override
77 |     public int hashCode() {
78 |         int result;
79 |         result = (title != null ? title.hashCode() : 0);
80 |         final String name = intent.getComponent().getClassName();
81 |         result = 31 * result + (name != null ? name.hashCode() : 0);
82 |         return result;
83 |     }
84 | }
85 | 


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/src/com/google/zxing/integration/android/IntentIntegrator.java:
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  1 | /*
  2 |  * Copyright 2009 ZXing authors
  3 |  *
  4 |  * Licensed under the Apache License, Version 2.0 (the "License");
  5 |  * you may not use this file except in compliance with the License.
  6 |  * You may obtain a copy of the License at
  7 |  *
  8 |  *      http://www.apache.org/licenses/LICENSE-2.0
  9 |  *
 10 |  * Unless required by applicable law or agreed to in writing, software
 11 |  * distributed under the License is distributed on an "AS IS" BASIS,
 12 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 13 |  * See the License for the specific language governing permissions and
 14 |  * limitations under the License.
 15 |  */
 16 | 
 17 | package com.google.zxing.integration.android;
 18 | 
 19 | import java.util.Arrays;
 20 | import java.util.Collection;
 21 | import java.util.Collections;
 22 | import java.util.List;
 23 | 
 24 | import android.app.Activity;
 25 | import android.app.AlertDialog;
 26 | import android.content.ActivityNotFoundException;
 27 | import android.content.DialogInterface;
 28 | import android.content.Intent;
 29 | import android.content.pm.PackageManager;
 30 | import android.content.pm.ResolveInfo;
 31 | import android.net.Uri;
 32 | import android.util.Log;
 33 | 
 34 | /**
 35 |  * <p>A utility class which helps ease integration with Barcode Scanner via {@link Intent}s. This is a simple
 36 |  * way to invoke barcode scanning and receive the result, without any need to integrate, modify, or learn the
 37 |  * project's source code.</p>
 38 |  *
 39 |  * <h2>Initiating a barcode scan</h2>
 40 |  *
 41 |  * <p>To integrate, create an instance of {@code IntentIntegrator} and call {@link #initiateScan()} and wait
 42 |  * for the result in your app.</p>
 43 |  *
 44 |  * <p>It does require that the Barcode Scanner (or work-alike) application is installed. The
 45 |  * {@link #initiateScan()} method will prompt the user to download the application, if needed.</p>
 46 |  *
 47 |  * <p>There are a few steps to using this integration. First, your {@link Activity} must implement
 48 |  * the method {@link Activity#onActivityResult(int, int, Intent)} and include a line of code like this:</p>
 49 |  *
 50 |  * <pre>{@code
 51 |  * public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 52 |  *   IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
 53 |  *   if (scanResult != null) {
 54 |  *     // handle scan result
 55 |  *   }
 56 |  *   // else continue with any other code you need in the method
 57 |  *   ...
 58 |  * }
 59 |  * }</pre>
 60 |  *
 61 |  * <p>This is where you will handle a scan result.</p>
 62 |  *
 63 |  * <p>Second, just call this in response to a user action somewhere to begin the scan process:</p>
 64 |  *
 65 |  * <pre>{@code
 66 |  * IntentIntegrator integrator = new IntentIntegrator(yourActivity);
 67 |  * integrator.initiateScan();
 68 |  * }</pre>
 69 |  *
 70 |  * <p>Note that {@link #initiateScan()} returns an {@link AlertDialog} which is non-null if the
 71 |  * user was prompted to download the application. This lets the calling app potentially manage the dialog.
 72 |  * In particular, ideally, the app dismisses the dialog if it's still active in its {@link Activity#onPause()}
 73 |  * method.</p>
 74 |  * 
 75 |  * <p>You can use {@link #setTitle(String)} to customize the title of this download prompt dialog (or, use
 76 |  * {@link #setTitleByID(int)} to set the title by string resource ID.) Likewise, the prompt message, and
 77 |  * yes/no button labels can be changed.</p>
 78 |  * 
 79 |  * <p>By default, this will only allow applications that are known to respond to this intent correctly
 80 |  * do so. The apps that are allowed to response can be set with {@link #setTargetApplications(Collection)}.
 81 |  * For example, set to {@link #TARGET_BARCODE_SCANNER_ONLY} to only target the Barcode Scanner app itself.</p>
 82 |  *
 83 |  * <h2>Sharing text via barcode</h2>
 84 |  *
 85 |  * <p>To share text, encoded as a QR Code on-screen, similarly, see {@link #shareText(CharSequence)}.</p>
 86 |  *
 87 |  * <p>Some code, particularly download integration, was contributed from the Anobiit application.</p>
 88 |  *
 89 |  * @author Sean Owen
 90 |  * @author Fred Lin
 91 |  * @author Isaac Potoczny-Jones
 92 |  * @author Brad Drehmer
 93 |  * @author gcstang
 94 |  */
 95 | public class IntentIntegrator {
 96 | 
 97 |   public static final int REQUEST_CODE = 0x0000c0de; // Only use bottom 16 bits
 98 |   private static final String TAG = IntentIntegrator.class.getSimpleName();
 99 | 
100 |   public static final String DEFAULT_TITLE = "Install Barcode Scanner?";
101 |   public static final String DEFAULT_MESSAGE =
102 |       "This application requires Barcode Scanner. Would you like to install it?";
103 |   public static final String DEFAULT_YES = "Yes";
104 |   public static final String DEFAULT_NO = "No";
105 | 
106 |   private static final String BS_PACKAGE = "com.google.zxing.client.android";
107 | 
108 |   // supported barcode formats
109 |   public static final Collection<String> PRODUCT_CODE_TYPES = list("UPC_A", "UPC_E", "EAN_8", "EAN_13", "RSS_14");
110 |   public static final Collection<String> ONE_D_CODE_TYPES =
111 |       list("UPC_A", "UPC_E", "EAN_8", "EAN_13", "CODE_39", "CODE_93", "CODE_128",
112 |            "ITF", "RSS_14", "RSS_EXPANDED");
113 |   public static final Collection<String> QR_CODE_TYPES = Collections.singleton("QR_CODE");
114 |   public static final Collection<String> DATA_MATRIX_TYPES = Collections.singleton("DATA_MATRIX");
115 | 
116 |   public static final Collection<String> ALL_CODE_TYPES = null;
117 |   
118 |   public static final Collection<String> TARGET_BARCODE_SCANNER_ONLY = Collections.singleton(BS_PACKAGE);
119 |   public static final Collection<String> TARGET_ALL_KNOWN = list(
120 |           BS_PACKAGE, // Barcode Scanner
121 |           "com.srowen.bs.android", // Barcode Scanner+
122 |           "com.srowen.bs.android.simple" // Barcode Scanner+ Simple
123 |           // TODO add more -- what else supports this intent?
124 |       );
125 |   
126 |   private final Activity activity;
127 |   private String title;
128 |   private String message;
129 |   private String buttonYes;
130 |   private String buttonNo;
131 |   private Collection<String> targetApplications;
132 |   
133 |   public IntentIntegrator(Activity activity) {
134 |     this.activity = activity;
135 |     title = DEFAULT_TITLE;
136 |     message = DEFAULT_MESSAGE;
137 |     buttonYes = DEFAULT_YES;
138 |     buttonNo = DEFAULT_NO;
139 |     targetApplications = TARGET_ALL_KNOWN;
140 |   }
141 |   
142 |   public String getTitle() {
143 |     return title;
144 |   }
145 |   
146 |   public void setTitle(String title) {
147 |     this.title = title;
148 |   }
149 | 
150 |   public void setTitleByID(int titleID) {
151 |     title = activity.getString(titleID);
152 |   }
153 | 
154 |   public String getMessage() {
155 |     return message;
156 |   }
157 | 
158 |   public void setMessage(String message) {
159 |     this.message = message;
160 |   }
161 | 
162 |   public void setMessageByID(int messageID) {
163 |     message = activity.getString(messageID);
164 |   }
165 | 
166 |   public String getButtonYes() {
167 |     return buttonYes;
168 |   }
169 | 
170 |   public void setButtonYes(String buttonYes) {
171 |     this.buttonYes = buttonYes;
172 |   }
173 | 
174 |   public void setButtonYesByID(int buttonYesID) {
175 |     buttonYes = activity.getString(buttonYesID);
176 |   }
177 | 
178 |   public String getButtonNo() {
179 |     return buttonNo;
180 |   }
181 | 
182 |   public void setButtonNo(String buttonNo) {
183 |     this.buttonNo = buttonNo;
184 |   }
185 | 
186 |   public void setButtonNoByID(int buttonNoID) {
187 |     buttonNo = activity.getString(buttonNoID);
188 |   }
189 |   
190 |   public Collection<String> getTargetApplications() {
191 |     return targetApplications;
192 |   }
193 |   
194 |   public void setTargetApplications(Collection<String> targetApplications) {
195 |     this.targetApplications = targetApplications;
196 |   }
197 |   
198 |   public void setSingleTargetApplication(String targetApplication) {
199 |     this.targetApplications = Collections.singleton(targetApplication);
200 |   }
201 | 
202 |   /**
203 |    * Initiates a scan for all known barcode types.
204 |    */
205 |   public AlertDialog initiateScan() {
206 |     return initiateScan(ALL_CODE_TYPES);
207 |   }
208 | 
209 |   /**
210 |    * Initiates a scan only for a certain set of barcode types, given as strings corresponding
211 |    * to their names in ZXing's {@code BarcodeFormat} class like "UPC_A". You can supply constants
212 |    * like {@link #PRODUCT_CODE_TYPES} for example.
213 |    */
214 |   public AlertDialog initiateScan(Collection<String> desiredBarcodeFormats) {
215 |     Intent intentScan = new Intent(BS_PACKAGE + ".SCAN");
216 |     intentScan.addCategory(Intent.CATEGORY_DEFAULT);
217 | 
218 |     // check which types of codes to scan for
219 |     if (desiredBarcodeFormats != null) {
220 |       // set the desired barcode types
221 |       StringBuilder joinedByComma = new StringBuilder();
222 |       for (String format : desiredBarcodeFormats) {
223 |         if (joinedByComma.length() > 0) {
224 |           joinedByComma.append(',');
225 |         }
226 |         joinedByComma.append(format);
227 |       }
228 |       intentScan.putExtra("SCAN_FORMATS", joinedByComma.toString());
229 |     }
230 | 
231 |     String targetAppPackage = findTargetAppPackage(intentScan);
232 |     if (targetAppPackage == null) {
233 |       return showDownloadDialog();
234 |     }
235 |     intentScan.setPackage(targetAppPackage);
236 |     intentScan.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
237 |     intentScan.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
238 |     startActivityForResult(intentScan, REQUEST_CODE);
239 |     return null;
240 |   }
241 | 
242 |   /**
243 |    * Start an activity.<br>
244 |    * This method is defined to allow different methods of activity starting for
245 |    * newer versions of Android and for compatibility library.
246 |    *
247 |    * @param intent Intent to start.
248 |    * @param code Request code for the activity
249 |    * @see android.app.Activity#startActivityForResult(Intent, int)
250 |    * @see android.app.Fragment#startActivityForResult(Intent, int)
251 |    */
252 |   protected void startActivityForResult(Intent intent, int code) {
253 |     activity.startActivityForResult(intent, code);
254 |   }
255 |   
256 |   private String findTargetAppPackage(Intent intent) {
257 |     PackageManager pm = activity.getPackageManager();
258 |     List<ResolveInfo> availableApps = pm.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY);
259 |     if (availableApps != null) {
260 |       for (ResolveInfo availableApp : availableApps) {
261 |         String packageName = availableApp.activityInfo.packageName;
262 |         if (targetApplications.contains(packageName)) {
263 |           return packageName;
264 |         }
265 |       }
266 |     }
267 |     return null;
268 |   }
269 | 
270 |   private AlertDialog showDownloadDialog() {
271 |     AlertDialog.Builder downloadDialog = new AlertDialog.Builder(activity);
272 |     downloadDialog.setTitle(title);
273 |     downloadDialog.setMessage(message);
274 |     downloadDialog.setPositiveButton(buttonYes, new DialogInterface.OnClickListener() {
275 |       @Override
276 |       public void onClick(DialogInterface dialogInterface, int i) {
277 |         Uri uri = Uri.parse("market://details?id=" + BS_PACKAGE);
278 |         Intent intent = new Intent(Intent.ACTION_VIEW, uri);
279 |         try {
280 |           activity.startActivity(intent);
281 |         } catch (ActivityNotFoundException anfe) {
282 |           // Hmm, market is not installed
283 |           Log.w(TAG, "Android Market is not installed; cannot install Barcode Scanner");
284 |         }
285 |       }
286 |     });
287 |     downloadDialog.setNegativeButton(buttonNo, new DialogInterface.OnClickListener() {
288 |       @Override
289 |       public void onClick(DialogInterface dialogInterface, int i) {}
290 |     });
291 |     return downloadDialog.show();
292 |   }
293 | 
294 | 
295 |   /**
296 |    * <p>Call this from your {@link Activity}'s
297 |    * {@link Activity#onActivityResult(int, int, Intent)} method.</p>
298 |    *
299 |    * @return null if the event handled here was not related to this class, or
300 |    *  else an {@link IntentResult} containing the result of the scan. If the user cancelled scanning,
301 |    *  the fields will be null.
302 |    */
303 |   public static IntentResult parseActivityResult(int requestCode, int resultCode, Intent intent) {
304 |     if (requestCode == REQUEST_CODE) {
305 |       if (resultCode == Activity.RESULT_OK) {
306 |         String contents = intent.getStringExtra("SCAN_RESULT");
307 |         String formatName = intent.getStringExtra("SCAN_RESULT_FORMAT");
308 |         byte[] rawBytes = intent.getByteArrayExtra("SCAN_RESULT_BYTES");
309 |         int intentOrientation = intent.getIntExtra("SCAN_RESULT_ORIENTATION", Integer.MIN_VALUE);
310 |         Integer orientation = intentOrientation == Integer.MIN_VALUE ? null : intentOrientation;
311 |         String errorCorrectionLevel = intent.getStringExtra("SCAN_RESULT_ERROR_CORRECTION_LEVEL");
312 |         return new IntentResult(contents,
313 |                                 formatName,
314 |                                 rawBytes,
315 |                                 orientation,
316 |                                 errorCorrectionLevel);
317 |       }
318 |       return new IntentResult();
319 |     }
320 |     return null;
321 |   }
322 | 
323 | 
324 |   /**
325 |    * Shares the given text by encoding it as a barcode, such that another user can
326 |    * scan the text off the screen of the device.
327 |    *
328 |    * @param text the text string to encode as a barcode
329 |    */
330 |   public void shareText(CharSequence text) {
331 |     Intent intent = new Intent();
332 |     intent.addCategory(Intent.CATEGORY_DEFAULT);
333 |     intent.setAction(BS_PACKAGE + ".ENCODE");
334 |     intent.putExtra("ENCODE_TYPE", "TEXT_TYPE");
335 |     intent.putExtra("ENCODE_DATA", text);
336 |     String targetAppPackage = findTargetAppPackage(intent);
337 |     if (targetAppPackage == null) {
338 |       showDownloadDialog();
339 |     } else {
340 |       intent.setPackage(targetAppPackage);
341 |       intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
342 |       intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
343 |       activity.startActivity(intent);
344 |     }
345 |   }
346 |   
347 |   private static Collection<String> list(String... values) {
348 |     return Collections.unmodifiableCollection(Arrays.asList(values));
349 |   }
350 | 
351 | }
352 | 


--------------------------------------------------------------------------------
/src/com/google/zxing/integration/android/IntentResult.java:
--------------------------------------------------------------------------------
 1 | /*
 2 |  * Copyright 2009 ZXing authors
 3 |  *
 4 |  * Licensed under the Apache License, Version 2.0 (the "License");
 5 |  * you may not use this file except in compliance with the License.
 6 |  * You may obtain a copy of the License at
 7 |  *
 8 |  *      http://www.apache.org/licenses/LICENSE-2.0
 9 |  *
10 |  * Unless required by applicable law or agreed to in writing, software
11 |  * distributed under the License is distributed on an "AS IS" BASIS,
12 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 |  * See the License for the specific language governing permissions and
14 |  * limitations under the License.
15 |  */
16 | 
17 | package com.google.zxing.integration.android;
18 | 
19 | /**
20 |  * <p>Encapsulates the result of a barcode scan invoked through {@link IntentIntegrator}.</p>
21 |  *
22 |  * @author Sean Owen
23 |  */
24 | public final class IntentResult {
25 | 
26 |   private final String contents;
27 |   private final String formatName;
28 |   private final byte[] rawBytes;
29 |   private final Integer orientation;
30 |   private final String errorCorrectionLevel;
31 | 
32 |   IntentResult() {
33 |     this(null, null, null, null, null);
34 |   }
35 | 
36 |   IntentResult(String contents,
37 |                String formatName,
38 |                byte[] rawBytes,
39 |                Integer orientation,
40 |                String errorCorrectionLevel) {
41 |     this.contents = contents;
42 |     this.formatName = formatName;
43 |     this.rawBytes = rawBytes;
44 |     this.orientation = orientation;
45 |     this.errorCorrectionLevel = errorCorrectionLevel;
46 |   }
47 | 
48 |   /**
49 |    * @return raw content of barcode
50 |    */
51 |   public String getContents() {
52 |     return contents;
53 |   }
54 | 
55 |   /**
56 |    * @return name of format, like "QR_CODE", "UPC_A". See {@code BarcodeFormat} for more format names.
57 |    */
58 |   public String getFormatName() {
59 |     return formatName;
60 |   }
61 | 
62 |   /**
63 |    * @return raw bytes of the barcode content, if applicable, or null otherwise
64 |    */
65 |   public byte[] getRawBytes() {
66 |     return rawBytes;
67 |   }
68 | 
69 |   /**
70 |    * @return rotation of the image, in degrees, which resulted in a successful scan. May be null.
71 |    */
72 |   public Integer getOrientation() {
73 |     return orientation;
74 |   }
75 | 
76 |   /**
77 |    * @return name of the error correction level used in the barcode, if applicable
78 |    */
79 |   public String getErrorCorrectionLevel() {
80 |     return errorCorrectionLevel;
81 |   }
82 |   
83 |   @Override
84 |   public String toString() {
85 |     StringBuilder dialogText = new StringBuilder(100);
86 |     dialogText.append("Format: ").append(formatName).append('\n');
87 |     dialogText.append("Contents: ").append(contents).append('\n');
88 |     int rawBytesLength = rawBytes == null ? 0 : rawBytes.length;
89 |     dialogText.append("Raw bytes: (").append(rawBytesLength).append(" bytes)\n");
90 |     dialogText.append("Orientation: ").append(orientation).append('\n');
91 |     dialogText.append("EC level: ").append(errorCorrectionLevel).append('\n');
92 |     return dialogText.toString();
93 |   }
94 | 
95 | }
96 | 


--------------------------------------------------------------------------------
/src/edu/mit/mobile/android/demomode/DemoMode.java:
--------------------------------------------------------------------------------
  1 | package edu.mit.mobile.android.demomode;
  2 | 
  3 | /*
  4 |  * Copyright (C) 2012  MIT Mobile Experience Lab
  5 |  *
  6 |  * This program is free software; you can redistribute it and/or
  7 |  * modify it under the terms of the GNU General Public License Version 2
  8 |  * as published by the Free Software Foundation.
  9 |  *
 10 |  * This program is distributed in the hope that it will be useful,
 11 |  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 12 |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 13 |  * GNU General Public License for more details.
 14 |  *
 15 |  * You should have received a copy of the GNU General Public License
 16 |  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 17 |  */
 18 | 
 19 | import java.util.ArrayList;
 20 | import java.util.Collections;
 21 | import java.util.List;
 22 | 
 23 | import android.app.AlertDialog;
 24 | import android.app.Dialog;
 25 | import android.content.ComponentName;
 26 | import android.content.ContentUris;
 27 | import android.content.ContentValues;
 28 | import android.content.Context;
 29 | import android.content.DialogInterface;
 30 | import android.content.DialogInterface.OnCancelListener;
 31 | import android.content.Intent;
 32 | import android.content.SharedPreferences;
 33 | import android.content.pm.ActivityInfo;
 34 | import android.content.pm.PackageManager;
 35 | import android.content.pm.PackageManager.NameNotFoundException;
 36 | import android.content.pm.ResolveInfo;
 37 | import android.content.res.Resources;
 38 | import android.database.Cursor;
 39 | import android.graphics.Bitmap;
 40 | import android.graphics.Canvas;
 41 | import android.graphics.Paint;
 42 | import android.graphics.PaintFlagsDrawFilter;
 43 | import android.graphics.PixelFormat;
 44 | import android.graphics.Rect;
 45 | import android.graphics.drawable.BitmapDrawable;
 46 | import android.graphics.drawable.Drawable;
 47 | import android.graphics.drawable.PaintDrawable;
 48 | import android.os.Bundle;
 49 | import android.preference.PreferenceManager;
 50 | import android.support.v4.app.FragmentActivity;
 51 | import android.support.v4.app.LoaderManager.LoaderCallbacks;
 52 | import android.support.v4.content.CursorLoader;
 53 | import android.support.v4.content.Loader;
 54 | import android.support.v4.widget.CursorAdapter;
 55 | import android.view.KeyEvent;
 56 | import android.view.LayoutInflater;
 57 | import android.view.Menu;
 58 | import android.view.MenuItem;
 59 | import android.view.View;
 60 | import android.view.ViewGroup;
 61 | import android.view.WindowManager;
 62 | import android.widget.AdapterView;
 63 | import android.widget.AdapterView.OnItemClickListener;
 64 | import android.widget.AdapterView.OnItemLongClickListener;
 65 | import android.widget.ArrayAdapter;
 66 | import android.widget.EditText;
 67 | import android.widget.GridView;
 68 | import android.widget.SlidingDrawer;
 69 | import android.widget.TextView;
 70 | import android.widget.Toast;
 71 | 
 72 | import com.example.android.home.ApplicationInfo;
 73 | 
 74 | public class DemoMode extends FragmentActivity implements LoaderCallbacks<Cursor>,
 75 |         OnItemClickListener, OnItemLongClickListener {
 76 |     @SuppressWarnings("unused")
 77 |     private static final String TAG = DemoMode.class.getSimpleName();
 78 | 
 79 |     private GridView mGridView;
 80 |     private GridView mAllApps;
 81 | 
 82 |     private LauncherItemAdapter mAdapter;
 83 | 
 84 |     private static ArrayList<ApplicationInfo> mApplications;
 85 | 
 86 |     private boolean mLocked;
 87 |     private String mPassword;
 88 |     private SharedPreferences mPrefs;
 89 | 
 90 |     private SlidingDrawer mDrawer;
 91 | 
 92 |     /** Called when the activity is first created. */
 93 |     @Override
 94 |     public void onCreate(Bundle savedInstanceState) {
 95 |         super.onCreate(savedInstanceState);
 96 |         setContentView(R.layout.main);
 97 |         mGridView = (GridView) findViewById(R.id.grid);
 98 | 
 99 |         getSupportLoaderManager().initLoader(0, null, this);
100 |         mAdapter = new LauncherItemAdapter(this, R.layout.launcher_item, null);
101 |         mGridView.setAdapter(mAdapter);
102 |         mGridView.setOnItemClickListener(this);
103 |         mGridView.setOnItemLongClickListener(this);
104 | 
105 |         mAllApps = (GridView) findViewById(R.id.all_apps);
106 | 
107 |         loadApplications(true);
108 | 
109 |         mDrawer = (SlidingDrawer) findViewById(R.id.slidingDrawer1);
110 | 
111 |         mAllApps.setAdapter(new ApplicationsAdapter(this, mApplications));
112 | 
113 |         mAllApps.setOnItemClickListener(this);
114 |         mAllApps.setOnItemLongClickListener(this);
115 | 
116 |         mPrefs = PreferenceManager.getDefaultSharedPreferences(this);
117 |         PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
118 |         mPassword = mPrefs.getString(Preferences.KEY_PASSWORD, null);
119 |         mLocked = mPrefs.getBoolean(Preferences.KEY_LOCKED, false);
120 | 
121 |         updateLocked();
122 |     }
123 | 
124 |     /**
125 |      * Loads the list of installed applications in mApplications.
126 |      */
127 |     private void loadApplications(boolean isLaunching) {
128 |         if (isLaunching && mApplications != null) {
129 |             return;
130 |         }
131 | 
132 |         final PackageManager manager = getPackageManager();
133 | 
134 |         final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
135 |         mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
136 | 
137 |         final List<ResolveInfo> apps = manager.queryIntentActivities(mainIntent, 0);
138 |         Collections.sort(apps, new ResolveInfo.DisplayNameComparator(manager));
139 | 
140 |         if (apps != null) {
141 |             final int count = apps.size();
142 | 
143 |             if (mApplications == null) {
144 |                 mApplications = new ArrayList<ApplicationInfo>(count);
145 |             }
146 |             mApplications.clear();
147 | 
148 |             for (int i = 0; i < count; i++) {
149 |                 final ApplicationInfo application = new ApplicationInfo();
150 |                 final ResolveInfo info = apps.get(i);
151 | 
152 |                 application.title = info.loadLabel(manager);
153 |                 application.setActivity(new ComponentName(
154 |                         info.activityInfo.applicationInfo.packageName, info.activityInfo.name),
155 |                         Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
156 |                 application.icon = info.activityInfo.loadIcon(manager);
157 | 
158 |                 mApplications.add(application);
159 |             }
160 |         }
161 |     }
162 | 
163 |     private static class LauncherItemAdapter extends CursorAdapter {
164 |         private final LayoutInflater mLayoutInflater;
165 |         private final int mLayout;
166 |         private final PackageManager mPackageManager;
167 |         private final int mAppIconWidth;
168 |         private final int mAppIconHeight;
169 | 
170 |         public LauncherItemAdapter(Context context, int layout, Cursor c) {
171 |             super(context, c, 0);
172 |             mLayout = layout;
173 |             mLayoutInflater = (LayoutInflater) context.getSystemService(LAYOUT_INFLATER_SERVICE);
174 |             mPackageManager = context.getPackageManager();
175 | 
176 |             final Resources resources = context.getResources();
177 |             mAppIconWidth = (int) resources.getDimension(android.R.dimen.app_icon_size);
178 |             mAppIconHeight = (int) resources.getDimension(android.R.dimen.app_icon_size);
179 |         }
180 | 
181 |         private Drawable scaleDrawableToAppIconSize(Drawable icon) {
182 |             int width = mAppIconWidth;
183 |             int height = mAppIconHeight;
184 | 
185 |             final int iconWidth = icon.getIntrinsicWidth();
186 |             final int iconHeight = icon.getIntrinsicHeight();
187 | 
188 |             if (width > 0 && height > 0 && (width < iconWidth || height < iconHeight)) {
189 |                 final float ratio = (float) iconWidth / iconHeight;
190 | 
191 |                 if (iconWidth > iconHeight) {
192 |                     height = (int) (width / ratio);
193 |                 } else if (iconHeight > iconWidth) {
194 |                     width = (int) (height * ratio);
195 |                 }
196 |             }
197 |             icon.setBounds(0, 0, width, height);
198 |             return icon;
199 |         }
200 | 
201 |         @Override
202 |         public void bindView(View v, Context context, Cursor c) {
203 |             final String pkg = c.getString(c.getColumnIndex(LauncherItem.PACKAGE_NAME));
204 |             final String cls = c.getString(c.getColumnIndex(LauncherItem.ACTIVITY_NAME));
205 |             final ComponentName activity = new ComponentName(pkg, cls);
206 |             try {
207 |                 final ActivityInfo i = mPackageManager.getActivityInfo(activity, 0);
208 |                 final android.content.pm.ApplicationInfo appInfo = mPackageManager
209 |                         .getApplicationInfo(pkg, 0);
210 |                 final TextView label = (TextView) v.findViewById(R.id.label);
211 |                 final Drawable icon = i.loadIcon(mPackageManager);
212 | 
213 |                 scaleDrawableToAppIconSize(icon);
214 | 
215 |                 label.setCompoundDrawables(null, icon, null, null);
216 | 
217 |                 label.setText(mPackageManager.getText(cls,
218 |                         i.labelRes == 0 ? i.applicationInfo.labelRes : i.labelRes, appInfo));
219 | 
220 |             } catch (final NameNotFoundException e) {
221 |                 e.printStackTrace();
222 |             }
223 |         }
224 | 
225 |         @Override
226 |         public View newView(Context context, Cursor cursor, ViewGroup parent) {
227 |             final View v = mLayoutInflater.inflate(mLayout, parent, false);
228 |             bindView(v, context, cursor);
229 |             return v;
230 |         }
231 | 
232 |     }
233 | 
234 |     @Override
235 |     public Loader<Cursor> onCreateLoader(int arg0, Bundle arg1) {
236 |         return new CursorLoader(this, LauncherItem.CONTENT_URI, null, null, null, null);
237 |     }
238 | 
239 |     @Override
240 |     public void onLoadFinished(Loader<Cursor> loader, Cursor c) {
241 |         mAdapter.swapCursor(c);
242 | 
243 |     }
244 | 
245 |     @Override
246 |     public void onLoaderReset(Loader<Cursor> arg0) {
247 |         mAdapter.swapCursor(null);
248 | 
249 |     }
250 | 
251 |     @Override
252 |     public boolean onPrepareOptionsMenu(Menu menu) {
253 |         super.onPrepareOptionsMenu(menu);
254 | 
255 |         menu.findItem(R.id.lock).setVisible(!mLocked);
256 |         menu.findItem(R.id.unlock).setVisible(mLocked);
257 |         menu.findItem(R.id.settings).setVisible(!mLocked);
258 |         menu.findItem(R.id.preferences).setVisible(!mLocked);
259 | 
260 |         return true;
261 |     }
262 | 
263 |     @Override
264 |     public boolean onCreateOptionsMenu(Menu menu) {
265 |         super.onCreateOptionsMenu(menu);
266 |         getMenuInflater().inflate(R.menu.main, menu);
267 |         return true;
268 |     }
269 | 
270 |     @Override
271 |     public void onBackPressed() {
272 |         if (!mLocked) {
273 |             super.onBackPressed();
274 |         }
275 |     }
276 | 
277 |     @SuppressWarnings("deprecation")
278 |     @Override
279 |     public boolean onOptionsItemSelected(MenuItem item) {
280 |         switch (item.getItemId()) {
281 |             case R.id.settings:
282 |                 startActivity(new Intent(android.provider.Settings.ACTION_SETTINGS));
283 |                 return true;
284 | 
285 |             case R.id.lock:
286 |                 setLocked(true);
287 |                 return true;
288 | 
289 |             case R.id.unlock:
290 |                 showDialog(DIALOG_PASSWORD, null);
291 |                 return true;
292 | 
293 |             case R.id.preferences:
294 |                 startActivity(new Intent(this, Preferences.class));
295 |                 return true;
296 | 
297 |             default:
298 |                 return super.onOptionsItemSelected(item);
299 |         }
300 |     }
301 | 
302 |     private void setLocked(boolean locked) {
303 |         mPrefs.edit().putBoolean(Preferences.KEY_LOCKED, locked).commit();
304 | 
305 |         mLocked = locked;
306 | 
307 |         updateLocked();
308 |     }
309 | 
310 |     private void updateLocked() {
311 |         findViewById(R.id.slidingDrawer1).setVisibility(mLocked ? View.GONE : View.VISIBLE);
312 |         if (mLocked) {
313 |             getWindow().addFlags(
314 |                     WindowManager.LayoutParams.FLAG_FULLSCREEN
315 |                             | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
316 |                             | WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);
317 | 
318 |         } else {
319 |             getWindow().clearFlags(
320 |                     WindowManager.LayoutParams.FLAG_FULLSCREEN
321 |                             | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
322 |                             | WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);
323 | 
324 |         }
325 |     }
326 | 
327 |     @Override
328 |     public boolean onKeyDown(int keyCode, KeyEvent event) {
329 |         if (mLocked && keyCode != KeyEvent.KEYCODE_MENU) {
330 |             return true;
331 |         } else {
332 |             return super.onKeyDown(keyCode, event);
333 |         }
334 |     }
335 | 
336 |     @Override
337 |     public boolean onKeyLongPress(int keyCode, KeyEvent event) {
338 |         if (mLocked) {
339 |             return true;
340 |         } else {
341 |             return super.onKeyLongPress(keyCode, event);
342 |         }
343 |     }
344 | 
345 |     /**
346 |      * GridView adapter to show the list of all installed applications.
347 |      */
348 |     private class ApplicationsAdapter extends ArrayAdapter<ApplicationInfo> {
349 |         private final Rect mOldBounds = new Rect();
350 |         private final int mAppIconHeight;
351 |         private final int mAppIconWidth;
352 | 
353 |         public ApplicationsAdapter(Context context, ArrayList<ApplicationInfo> apps) {
354 |             super(context, 0, apps);
355 |             final Resources resources = getContext().getResources();
356 |             mAppIconWidth = (int) resources.getDimension(android.R.dimen.app_icon_size);
357 |             mAppIconHeight = (int) resources.getDimension(android.R.dimen.app_icon_size);
358 |         }
359 | 
360 |         @Override
361 |         public View getView(int position, View convertView, ViewGroup parent) {
362 |             final ApplicationInfo info = mApplications.get(position);
363 | 
364 |             if (convertView == null) {
365 |                 final LayoutInflater inflater = getLayoutInflater();
366 |                 convertView = inflater.inflate(R.layout.launcher_item, parent, false);
367 |             }
368 | 
369 |             Drawable icon = info.icon;
370 | 
371 |             if (!info.filtered) {
372 |                 int width = mAppIconWidth;
373 |                 int height = mAppIconHeight;
374 | 
375 |                 final int iconWidth = icon.getIntrinsicWidth();
376 |                 final int iconHeight = icon.getIntrinsicHeight();
377 | 
378 |                 if (icon instanceof PaintDrawable) {
379 |                     final PaintDrawable painter = (PaintDrawable) icon;
380 |                     painter.setIntrinsicWidth(width);
381 |                     painter.setIntrinsicHeight(height);
382 |                 }
383 | 
384 |                 if (width > 0 && height > 0 && (width < iconWidth || height < iconHeight)) {
385 |                     final float ratio = (float) iconWidth / iconHeight;
386 | 
387 |                     if (iconWidth > iconHeight) {
388 |                         height = (int) (width / ratio);
389 |                     } else if (iconHeight > iconWidth) {
390 |                         width = (int) (height * ratio);
391 |                     }
392 | 
393 |                     final Bitmap.Config c = icon.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888
394 |                             : Bitmap.Config.RGB_565;
395 |                     final Bitmap thumb = Bitmap.createBitmap(width, height, c);
396 |                     final Canvas canvas = new Canvas(thumb);
397 |                     canvas.setDrawFilter(new PaintFlagsDrawFilter(Paint.DITHER_FLAG, 0));
398 |                     // Copy the old bounds to restore them later
399 |                     // If we were to do oldBounds = icon.getBounds(),
400 |                     // the call to setBounds() that follows would
401 |                     // change the same instance and we would lose the
402 |                     // old bounds
403 |                     mOldBounds.set(icon.getBounds());
404 |                     icon.setBounds(0, 0, width, height);
405 |                     icon.draw(canvas);
406 |                     icon.setBounds(mOldBounds);
407 |                     icon = info.icon = new BitmapDrawable(getResources(), thumb);
408 |                     info.filtered = true;
409 |                 }
410 |             }
411 | 
412 |             final TextView textView = (TextView) convertView.findViewById(R.id.label);
413 |             textView.setCompoundDrawablesWithIntrinsicBounds(null, icon, null, null);
414 |             textView.setText(info.title);
415 | 
416 |             return convertView;
417 |         }
418 |     }
419 | 
420 |     private static final int DIALOG_PASSWORD = 100;
421 | 
422 |     @SuppressWarnings("deprecation")
423 |     @Override
424 |     protected Dialog onCreateDialog(int id, Bundle args) {
425 |         switch (id) {
426 |             case DIALOG_PASSWORD: {
427 |                 final EditText v = (EditText) getLayoutInflater().inflate(R.layout.password, null);
428 |                 return new AlertDialog.Builder(this)
429 |                         .setView(v)
430 |                         .setCancelable(true)
431 |                         .setOnCancelListener(new OnCancelListener() {
432 | 
433 |                             @Override
434 |                             public void onCancel(DialogInterface dialog) {
435 |                                 v.getEditableText().clear();
436 | 
437 |                             }
438 |                         })
439 |                         .setPositiveButton(android.R.string.ok,
440 |                                 new DialogInterface.OnClickListener() {
441 | 
442 |                                     @Override
443 |                                     public void onClick(DialogInterface dialog, int which) {
444 |                                         if (mPassword.equals(v.getText().toString())) {
445 |                                             setLocked(false);
446 |                                         } else {
447 |                                             Toast.makeText(getApplicationContext(),
448 |                                                     R.string.toast_incorrect_password,
449 |                                                     Toast.LENGTH_SHORT).show();
450 |                                         }
451 |                                         v.getEditableText().clear();
452 |                                     }
453 |                                 }).create();
454 |             }
455 |             default:
456 |                 return super.onCreateDialog(id, args);
457 | 
458 |         }
459 | 
460 |     }
461 | 
462 |     @Override
463 |     public void onItemClick(AdapterView<?> adapter, View v, int position, long id) {
464 |         switch (adapter.getId()) {
465 |             case R.id.grid: {
466 |                 final Intent launch = new Intent();
467 |                 final Cursor c = mAdapter.getCursor();
468 |                 launch.setClassName(c.getString(c.getColumnIndex(LauncherItem.PACKAGE_NAME)),
469 |                         c.getString(c.getColumnIndex(LauncherItem.ACTIVITY_NAME)));
470 |                 launch.addFlags(Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
471 |                         | Intent.FLAG_ACTIVITY_NEW_TASK);
472 |                 startActivity(launch);
473 |             }
474 |                 break;
475 | 
476 |             case R.id.all_apps: {
477 |                 final ApplicationInfo appInfo = (ApplicationInfo) mAllApps.getAdapter().getItem(
478 |                         position);
479 |                 startActivity(appInfo.intent);
480 |             }
481 |                 break;
482 |         }
483 | 
484 |     }
485 | 
486 |     @Override
487 |     public boolean onItemLongClick(AdapterView<?> adapter, View v, int position, long id) {
488 |         switch (adapter.getId()) {
489 |             case R.id.grid: {
490 |                 if (!mLocked) {
491 |                     getContentResolver().delete(
492 |                             ContentUris.withAppendedId(LauncherItem.CONTENT_URI, id), null, null);
493 |                     return true;
494 |                 }
495 |             }
496 |                 break;
497 | 
498 |             case R.id.all_apps: {
499 |                 final ApplicationInfo appInfo = (ApplicationInfo) mAllApps
500 |                         .getItemAtPosition(position);
501 |                 final ContentValues cv = new ContentValues();
502 |                 final ComponentName c = appInfo.intent.getComponent();
503 | 
504 |                 cv.put(LauncherItem.ACTIVITY_NAME, c.getClassName());
505 |                 cv.put(LauncherItem.PACKAGE_NAME, c.getPackageName());
506 |                 getContentResolver().insert(LauncherItem.CONTENT_URI, cv);
507 |                 mDrawer.close();
508 |                 return true;
509 | 
510 |             }
511 |         }
512 |         return false;
513 |     }
514 | 
515 | }
516 | 


--------------------------------------------------------------------------------
/src/edu/mit/mobile/android/demomode/HomescreenProvider.java:
--------------------------------------------------------------------------------
 1 | package edu.mit.mobile.android.demomode;
 2 | 
 3 | /*
 4 |  * Copyright (C) 2012  MIT Mobile Experience Lab
 5 |  *
 6 |  * This program is free software; you can redistribute it and/or
 7 |  * modify it under the terms of the GNU General Public License Version 2
 8 |  * as published by the Free Software Foundation.
 9 |  *
10 |  * This program is distributed in the hope that it will be useful,
11 |  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 |  * GNU General Public License for more details.
14 |  *
15 |  * You should have received a copy of the GNU General Public License
16 |  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
17 |  */
18 | import edu.mit.mobile.android.content.GenericDBHelper;
19 | import edu.mit.mobile.android.content.SimpleContentProvider;
20 | 
21 | public class HomescreenProvider extends SimpleContentProvider {
22 | 
23 | 	public static final String AUTHORITY = "edu.mit.mobile.android.demomode";
24 | 
25 | 	private static final int DB_VERSION = 1;
26 | 
27 | 	public HomescreenProvider() {
28 | 		super(AUTHORITY, DB_VERSION);
29 | 	}
30 | 
31 | 	@Override
32 | 	public boolean onCreate() {
33 | 		super.onCreate();
34 | 
35 | 		final GenericDBHelper items = new GenericDBHelper(LauncherItem.class);
36 | 		addDirAndItemUri(items, LauncherItem.PATH);
37 | 
38 | 		return true;
39 | 	}
40 | }
41 | 


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/src/edu/mit/mobile/android/demomode/LauncherItem.java:
--------------------------------------------------------------------------------
 1 | package edu.mit.mobile.android.demomode;
 2 | 
 3 | /*
 4 |  * Copyright (C) 2012  MIT Mobile Experience Lab
 5 |  *
 6 |  * This program is free software; you can redistribute it and/or
 7 |  * modify it under the terms of the GNU General Public License Version 2
 8 |  * as published by the Free Software Foundation.
 9 |  *
10 |  * This program is distributed in the hope that it will be useful,
11 |  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 |  * GNU General Public License for more details.
14 |  *
15 |  * You should have received a copy of the GNU General Public License
16 |  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
17 |  */
18 | import android.net.Uri;
19 | import edu.mit.mobile.android.content.ContentItem;
20 | import edu.mit.mobile.android.content.ProviderUtils;
21 | import edu.mit.mobile.android.content.UriPath;
22 | import edu.mit.mobile.android.content.column.DBColumn;
23 | import edu.mit.mobile.android.content.column.TextColumn;
24 | 
25 | @UriPath(LauncherItem.PATH)
26 | public class LauncherItem implements ContentItem {
27 | 
28 | 	@DBColumn(type = TextColumn.class)
29 | 	public static final String PACKAGE_NAME = "package";
30 | 
31 | 	@DBColumn(type = TextColumn.class)
32 | 	public static final String ACTIVITY_NAME = "activity";
33 | 
34 | 	public static final String PATH = "apps";
35 | 
36 | 	public static Uri CONTENT_URI = ProviderUtils.toContentUri(HomescreenProvider.AUTHORITY, PATH);
37 | }
38 | 
39 | 


--------------------------------------------------------------------------------
/src/edu/mit/mobile/android/demomode/Preferences.java:
--------------------------------------------------------------------------------
  1 | package edu.mit.mobile.android.demomode;
  2 | 
  3 | /*
  4 |  * Copyright (C) 2012  MIT Mobile Experience Lab
  5 |  *
  6 |  * This program is free software; you can redistribute it and/or
  7 |  * modify it under the terms of the GNU General Public License Version 2
  8 |  * as published by the Free Software Foundation.
  9 |  *
 10 |  * This program is distributed in the hope that it will be useful,
 11 |  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 12 |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 13 |  * GNU General Public License for more details.
 14 |  *
 15 |  * You should have received a copy of the GNU General Public License
 16 |  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 17 |  */
 18 | import java.io.IOException;
 19 | import java.io.UnsupportedEncodingException;
 20 | import java.util.ArrayList;
 21 | import java.util.List;
 22 | 
 23 | import org.apache.http.NameValuePair;
 24 | import org.apache.http.client.utils.URLEncodedUtils;
 25 | import org.apache.http.entity.StringEntity;
 26 | import org.apache.http.message.BasicNameValuePair;
 27 | 
 28 | import android.content.ComponentName;
 29 | import android.content.ContentProviderOperation;
 30 | import android.content.Intent;
 31 | import android.content.OperationApplicationException;
 32 | import android.content.SharedPreferences;
 33 | import android.content.SharedPreferences.Editor;
 34 | import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
 35 | import android.content.pm.PackageManager;
 36 | import android.content.pm.PackageManager.NameNotFoundException;
 37 | import android.database.Cursor;
 38 | import android.net.Uri;
 39 | import android.os.Bundle;
 40 | import android.os.RemoteException;
 41 | import android.preference.Preference;
 42 | import android.preference.Preference.OnPreferenceClickListener;
 43 | import android.preference.PreferenceActivity;
 44 | import android.util.Log;
 45 | 
 46 | import com.google.zxing.integration.android.IntentIntegrator;
 47 | import com.google.zxing.integration.android.IntentResult;
 48 | 
 49 | public class Preferences extends PreferenceActivity implements OnPreferenceClickListener {
 50 | 	private static final String TAG = Preferences.class.getSimpleName();
 51 | 
 52 | 	private SharedPreferences mPrefs;
 53 | 
 54 | 	public static final String KEY_PASSWORD = "password";
 55 | 	public static final String KEY_LOCKED = "locked";
 56 | 	public static final String KEY_SHARE_CONFIG = "share_config";
 57 | 	public static final String KEY_SCAN_CONFIG = "scan_config";
 58 | 	public static final String KEY_ENABLED = "enable";
 59 | 
 60 | 	private static String CFG_PKG_SEP = ",";
 61 | 
 62 | 	@SuppressWarnings("deprecation")
 63 | 	@Override
 64 | 	protected void onCreate(Bundle savedInstanceState) {
 65 | 
 66 | 		super.onCreate(savedInstanceState);
 67 | 		this.addPreferencesFromResource(R.xml.preferences);
 68 | 		mPrefs = getPreferenceManager().getSharedPreferences();
 69 | 
 70 | 		findPreference(KEY_SHARE_CONFIG).setOnPreferenceClickListener(this);
 71 | 		findPreference(KEY_SCAN_CONFIG).setOnPreferenceClickListener(this);
 72 | 
 73 | 		mPrefs.registerOnSharedPreferenceChangeListener(new OnSharedPreferenceChangeListener() {
 74 | 
 75 | 			@Override
 76 | 			public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
 77 | 				if (KEY_ENABLED.equals(key)) {
 78 | 					updateDemoModeEnabled();
 79 | 				}
 80 | 			}
 81 | 		});
 82 | 	}
 83 | 
 84 | 	@Override
 85 | 	protected void onResume() {
 86 | 		super.onResume();
 87 | 
 88 | 		if (mPrefs.getBoolean(KEY_LOCKED, false)) {
 89 | 			finish();
 90 | 		}
 91 | 	}
 92 | 
 93 | 	private static final String CFG_K_VER = "v", CFG_K_SECRETKEY = "k", CFG_K_APPS = "a";
 94 | 	public static final String CFG_MIME_TYPE = "application/x-demo-mode";
 95 | 
 96 | 	private String toConfigString() {
 97 | 
 98 | 		final String password = mPrefs.getString(KEY_PASSWORD, null);
 99 | 
100 | 		final ArrayList<BasicNameValuePair> nvp = new ArrayList<BasicNameValuePair>();
101 | 
102 | 		int ver;
103 | 		try {
104 | 			ver = getPackageManager().getPackageInfo(getPackageName(), 0).versionCode;
105 | 
106 | 		} catch (final NameNotFoundException e) {
107 | 			// this should never happen
108 | 			ver = 0;
109 | 			e.printStackTrace();
110 | 		}
111 | 		nvp.add(new BasicNameValuePair(CFG_K_VER, String.valueOf(ver)));
112 | 		nvp.add(new BasicNameValuePair(CFG_K_SECRETKEY, password));
113 | 		final Cursor c = getContentResolver().query(LauncherItem.CONTENT_URI, null, null, null,
114 | 				null);
115 | 
116 | 		try {
117 | 			final int pkgCol = c.getColumnIndex(LauncherItem.PACKAGE_NAME);
118 | 			final int actCol = c.getColumnIndex(LauncherItem.ACTIVITY_NAME);
119 | 
120 | 			for (c.moveToFirst(); !c.isAfterLast(); c.moveToNext()) {
121 | 				nvp.add(new BasicNameValuePair(CFG_K_APPS, c.getString(pkgCol) + CFG_PKG_SEP
122 | 						+ c.getString(actCol)));
123 | 			}
124 | 
125 | 			return "data:" + CFG_MIME_TYPE + "," + URLEncodedUtils.format(nvp, "utf-8");
126 | 
127 | 		} finally {
128 | 			c.close();
129 | 		}
130 | 
131 | 	}
132 | 
133 | 	private void shareConfig() {
134 | 		startActivity(Intent.createChooser(
135 | 				new Intent(Intent.ACTION_SEND).setType("text/plain")
136 | 						.putExtra(Intent.EXTRA_TEXT, toConfigString())
137 | 						.putExtra(Intent.EXTRA_SUBJECT, getText(R.string.app_name) + " Config"),
138 | 				getText(R.string.share_config)));
139 | 	}
140 | 
141 | 	private void fromCfgString(String cfg) {
142 | 		final Uri cfgUri = Uri.parse(cfg);
143 | 		if ("data".equals(cfgUri.getScheme())) {
144 | 			final String[] cfgParts = cfgUri.getEncodedSchemeSpecificPart().split(",", 2);
145 | 			if (CFG_MIME_TYPE.equals(cfgParts[0])) {
146 | 				final Editor ed = mPrefs.edit();
147 | 				final ArrayList<ContentProviderOperation> cpos = new ArrayList<ContentProviderOperation>();
148 | 
149 | 				// first erase everything
150 | 				cpos.add(ContentProviderOperation.newDelete(LauncherItem.CONTENT_URI).build());
151 | 
152 | 				try {
153 | 					final StringEntity entity = new StringEntity(cfgParts[1]);
154 | 					entity.setContentType("application/x-www-form-urlencoded");
155 | 					final List<NameValuePair> nvp = URLEncodedUtils.parse(entity);
156 | 					for (final NameValuePair pair : nvp) {
157 | 						final String name = pair.getName();
158 | 						Log.d(TAG, "parsed pair: " + pair);
159 | 						if (CFG_K_SECRETKEY.equals(name)) {
160 | 							ed.putString(KEY_PASSWORD, pair.getValue());
161 | 
162 | 						} else if (CFG_K_APPS.equals(name)) {
163 | 							final String[] app = pair.getValue().split(CFG_PKG_SEP, 2);
164 | 							final ContentProviderOperation cpo = ContentProviderOperation
165 | 									.newInsert(LauncherItem.CONTENT_URI)
166 | 									.withValue(LauncherItem.PACKAGE_NAME, app[0])
167 | 									.withValue(LauncherItem.ACTIVITY_NAME, app[1]).build();
168 | 							cpos.add(cpo);
169 | 							Log.d(TAG, "adding " + cpo);
170 | 						}
171 | 					}
172 | 
173 | 					ed.commit();
174 | 					getContentResolver().applyBatch(HomescreenProvider.AUTHORITY, cpos);
175 | 				} catch (final UnsupportedEncodingException e) {
176 | 					// TODO Auto-generated catch block
177 | 					e.printStackTrace();
178 | 				} catch (final IOException e) {
179 | 					// TODO Auto-generated catch block
180 | 					e.printStackTrace();
181 | 				} catch (final RemoteException e) {
182 | 					// TODO Auto-generated catch block
183 | 
184 | 					e.printStackTrace();
185 | 				} catch (final OperationApplicationException e) {
186 | 					// TODO Auto-generated catch block
187 | 					e.printStackTrace();
188 | 				}
189 | 
190 | 			} else {
191 | 				Log.e(TAG, "unknown MIME type for data URI: " + cfgParts[0]);
192 | 			}
193 | 
194 | 		} else {
195 | 			Log.e(TAG, "not a data URI");
196 | 		}
197 | 	}
198 | 
199 | 	private void scanQRCode() {
200 | 		final IntentIntegrator integrator = new IntentIntegrator(this);
201 | 		integrator.initiateScan();
202 | 
203 | 	}
204 | 
205 | 	@Override
206 | 	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
207 | 		final IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode,
208 | 				resultCode, intent);
209 | 		if (scanResult != null && scanResult.getContents() != null) {
210 | 
211 | 			fromCfgString(scanResult.getContents());
212 | 
213 | 		}
214 | 	}
215 | 
216 | 	@Override
217 | 	public boolean onPreferenceClick(Preference preference) {
218 | 		final String pref = preference.getKey();
219 | 		if (KEY_SCAN_CONFIG.equals(pref)) {
220 | 			scanQRCode();
221 | 			return true;
222 | 		} else if (KEY_SHARE_CONFIG.equals(pref)) {
223 | 			shareConfig();
224 | 			return true;
225 | 		}
226 | 
227 | 		return false;
228 | 	}
229 | 
230 | 	private void updateDemoModeEnabled() {
231 | 		getPackageManager()
232 | 				.setComponentEnabledSetting(
233 | 						new ComponentName(this, DemoMode.class),
234 | 						mPrefs.getBoolean(KEY_ENABLED, true) ? PackageManager.COMPONENT_ENABLED_STATE_DEFAULT
235 | 								: PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
236 | 						PackageManager.DONT_KILL_APP);
237 | 	}
238 | 
239 | }
240 | 


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