├── .idea
    ├── .name
    ├── copyright
    │   └── profiles_settings.xml
    ├── encodings.xml
    ├── vcs.xml
    ├── modules.xml
    ├── runConfigurations.xml
    ├── gradle.xml
    ├── compiler.xml
    └── misc.xml
├── app
    ├── .gitignore
    ├── src
    │   ├── main
    │   │   ├── res
    │   │   │   ├── values
    │   │   │   │   ├── strings.xml
    │   │   │   │   ├── colors.xml
    │   │   │   │   ├── dimens.xml
    │   │   │   │   └── styles.xml
    │   │   │   ├── mipmap-hdpi
    │   │   │   │   └── ic_launcher.png
    │   │   │   ├── mipmap-mdpi
    │   │   │   │   └── ic_launcher.png
    │   │   │   ├── mipmap-xhdpi
    │   │   │   │   └── ic_launcher.png
    │   │   │   ├── mipmap-xxhdpi
    │   │   │   │   └── ic_launcher.png
    │   │   │   ├── mipmap-xxxhdpi
    │   │   │   │   └── ic_launcher.png
    │   │   │   ├── values-w820dp
    │   │   │   │   └── dimens.xml
    │   │   │   └── layout
    │   │   │   │   └── activity_main.xml
    │   │   ├── AndroidManifest.xml
    │   │   └── java
    │   │   │   └── example
    │   │   │       └── com
    │   │   │           └── bluetooth
    │   │   │               └── MainActivity.java
    │   ├── test
    │   │   └── java
    │   │   │   └── example
    │   │   │       └── com
    │   │   │           └── bluetooth
    │   │   │               └── ExampleUnitTest.java
    │   └── androidTest
    │   │   └── java
    │   │       └── example
    │   │           └── com
    │   │               └── bluetooth
    │   │                   └── ApplicationTest.java
    ├── build.gradle
    └── proguard-rules.pro
├── settings.gradle
├── gradle
    └── wrapper
    │   ├── gradle-wrapper.jar
    │   └── gradle-wrapper.properties
├── .gitignore
├── gradle.properties
├── gradlew.bat
└── gradlew


/.idea/.name:
--------------------------------------------------------------------------------
1 | Bluetooth


--------------------------------------------------------------------------------
/app/.gitignore:
--------------------------------------------------------------------------------
1 | /build
2 | 


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/settings.gradle:
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1 | include ':app'
2 | 


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/.idea/copyright/profiles_settings.xml:
--------------------------------------------------------------------------------
1 | <component name="CopyrightManager">
2 |   <settings default="" />
3 | </component>


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/app/src/main/res/values/strings.xml:
--------------------------------------------------------------------------------
1 | <resources>
2 |     <string name="app_name">Bluetooth</string>
3 | </resources>
4 | 


--------------------------------------------------------------------------------
/gradle/wrapper/gradle-wrapper.jar:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/johnoke/bluetoothprinter/HEAD/gradle/wrapper/gradle-wrapper.jar


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/.gitignore:
--------------------------------------------------------------------------------
1 | *.iml
2 | .gradle
3 | /local.properties
4 | /.idea/workspace.xml
5 | /.idea/libraries
6 | .DS_Store
7 | /build
8 | /captures
9 | 


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/app/src/main/res/mipmap-hdpi/ic_launcher.png:
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https://raw.githubusercontent.com/johnoke/bluetoothprinter/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png


--------------------------------------------------------------------------------
/app/src/main/res/mipmap-mdpi/ic_launcher.png:
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https://raw.githubusercontent.com/johnoke/bluetoothprinter/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png


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/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/johnoke/bluetoothprinter/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.png


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/app/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/johnoke/bluetoothprinter/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.png


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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/johnoke/bluetoothprinter/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png


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/.idea/encodings.xml:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <project version="4">
3 |   <component name="Encoding">
4 |     <file url="PROJECT" charset="UTF-8" />
5 |   </component>
6 | </project>


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/.idea/vcs.xml:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <project version="4">
3 |   <component name="VcsDirectoryMappings">
4 |     <mapping directory="" vcs="" />
5 |   </component>
6 | </project>


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/app/src/main/res/values/colors.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <resources>
3 |     <color name="colorPrimary">#3F51B5</color>
4 |     <color name="colorPrimaryDark">#303F9F</color>
5 |     <color name="colorAccent">#FF4081</color>
6 | </resources>
7 | 


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/app/src/main/res/values/dimens.xml:
--------------------------------------------------------------------------------
1 | <resources>
2 |     <!-- Default screen margins, per the Android Design guidelines. -->
3 |     <dimen name="activity_horizontal_margin">16dp</dimen>
4 |     <dimen name="activity_vertical_margin">16dp</dimen>
5 | </resources>
6 | 


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/gradle/wrapper/gradle-wrapper.properties:
--------------------------------------------------------------------------------
1 | #Wed Oct 21 11:34:03 PDT 2015
2 | distributionBase=GRADLE_USER_HOME
3 | distributionPath=wrapper/dists
4 | zipStoreBase=GRADLE_USER_HOME
5 | zipStorePath=wrapper/dists
6 | distributionUrl=https\://services.gradle.org/distributions/gradle-2.8-all.zip
7 | 


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/.idea/modules.xml:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <project version="4">
3 |   <component name="ProjectModuleManager">
4 |     <modules>
5 |       <module fileurl="file://$PROJECT_DIR$/Bluetooth.iml" filepath="$PROJECT_DIR$/Bluetooth.iml" />
6 |       <module fileurl="file://$PROJECT_DIR$/app/app.iml" filepath="$PROJECT_DIR$/app/app.iml" />
7 |     </modules>
8 |   </component>
9 | </project>


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/app/src/main/res/values-w820dp/dimens.xml:
--------------------------------------------------------------------------------
1 | <resources>
2 |     <!-- Example customization of dimensions originally defined in res/values/dimens.xml
3 |          (such as screen margins) for screens with more than 820dp of available width. This
4 |          would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
5 |     <dimen name="activity_horizontal_margin">64dp</dimen>
6 | </resources>
7 | 


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/app/src/test/java/example/com/bluetooth/ExampleUnitTest.java:
--------------------------------------------------------------------------------
 1 | package example.com.bluetooth;
 2 | 
 3 | import org.junit.Test;
 4 | 
 5 | import static org.junit.Assert.*;
 6 | 
 7 | /**
 8 |  * To work on unit tests, switch the Test Artifact in the Build Variants view.
 9 |  */
10 | public class ExampleUnitTest {
11 |     @Test
12 |     public void addition_isCorrect() throws Exception {
13 |         assertEquals(4, 2 + 2);
14 |     }
15 | }


--------------------------------------------------------------------------------
/app/src/main/res/values/styles.xml:
--------------------------------------------------------------------------------
 1 | <resources>
 2 | 
 3 |     <!-- Base application theme. -->
 4 |     <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
 5 |         <!-- Customize your theme here. -->
 6 |         <item name="colorPrimary">@color/colorPrimary</item>
 7 |         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
 8 |         <item name="colorAccent">@color/colorAccent</item>
 9 |     </style>
10 | 
11 | </resources>
12 | 


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/app/src/androidTest/java/example/com/bluetooth/ApplicationTest.java:
--------------------------------------------------------------------------------
 1 | package example.com.bluetooth;
 2 | 
 3 | import android.app.Application;
 4 | import android.test.ApplicationTestCase;
 5 | 
 6 | /**
 7 |  * <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
 8 |  */
 9 | public class ApplicationTest extends ApplicationTestCase<Application> {
10 |     public ApplicationTest() {
11 |         super(Application.class);
12 |     }
13 | }


--------------------------------------------------------------------------------
/app/src/main/res/layout/activity_main.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     xmlns:tools="http://schemas.android.com/tools"
 4 |     android:layout_width="match_parent"
 5 |     android:layout_height="match_parent"
 6 |     tools:context="example.com.bluetooth.MainActivity">
 7 | 
 8 |     <Button
 9 |         android:id="@+id/BtnPrint"
10 |         android:layout_width="wrap_content"
11 |         android:layout_height="wrap_content"
12 |         android:text="Print"></Button>
13 | </LinearLayout>
14 | 


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/.idea/runConfigurations.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="RunConfigurationProducerService">
 4 |     <option name="ignoredProducers">
 5 |       <set>
 6 |         <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
 7 |         <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
 8 |         <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
 9 |       </set>
10 |     </option>
11 |   </component>
12 | </project>


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/app/build.gradle:
--------------------------------------------------------------------------------
 1 | apply plugin: 'com.android.application'
 2 | 
 3 | android {
 4 |     compileSdkVersion 23
 5 |     buildToolsVersion "23.0.2"
 6 | 
 7 |     defaultConfig {
 8 |         applicationId "example.com.bluetooth"
 9 |         minSdkVersion 16
10 |         targetSdkVersion 23
11 |         versionCode 1
12 |         versionName "1.0"
13 |     }
14 |     buildTypes {
15 |         release {
16 |             minifyEnabled false
17 |             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
18 |         }
19 |     }
20 | }
21 | 
22 | dependencies {
23 |     compile fileTree(dir: 'libs', include: ['*.jar'])
24 |     testCompile 'junit:junit:4.12'
25 |     compile 'com.android.support:appcompat-v7:23.3.0'
26 | }
27 | 


--------------------------------------------------------------------------------
/app/proguard-rules.pro:
--------------------------------------------------------------------------------
 1 | # Add project specific ProGuard rules here.
 2 | # By default, the flags in this file are appended to flags specified
 3 | # in C:\Users\SUREGIFTS-DEVPC\AppData\Local\Android\sdk/tools/proguard/proguard-android.txt
 4 | # You can edit the include path and order by changing the proguardFiles
 5 | # directive in build.gradle.
 6 | #
 7 | # For more details, see
 8 | #   http://developer.android.com/guide/developing/tools/proguard.html
 9 | 
10 | # Add any project specific keep options here:
11 | 
12 | # If your project uses WebView with JS, uncomment the following
13 | # and specify the fully qualified class name to the JavaScript interface
14 | # class:
15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
16 | #   public *;
17 | #}
18 | 


--------------------------------------------------------------------------------
/.idea/gradle.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="GradleSettings">
 4 |     <option name="linkedExternalProjectsSettings">
 5 |       <GradleProjectSettings>
 6 |         <option name="distributionType" value="LOCAL" />
 7 |         <option name="externalProjectPath" value="$PROJECT_DIR$" />
 8 |         <option name="gradleHome" value="C:\Program Files\Android\Android Studio\gradle\gradle-2.8" />
 9 |         <option name="gradleJvm" value="1.7" />
10 |         <option name="modules">
11 |           <set>
12 |             <option value="$PROJECT_DIR$" />
13 |             <option value="$PROJECT_DIR$/app" />
14 |           </set>
15 |         </option>
16 |       </GradleProjectSettings>
17 |     </option>
18 |   </component>
19 | </project>


--------------------------------------------------------------------------------
/.idea/compiler.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="CompilerConfiguration">
 4 |     <resourceExtensions />
 5 |     <wildcardResourcePatterns>
 6 |       <entry name="!?*.java" />
 7 |       <entry name="!?*.form" />
 8 |       <entry name="!?*.class" />
 9 |       <entry name="!?*.groovy" />
10 |       <entry name="!?*.scala" />
11 |       <entry name="!?*.flex" />
12 |       <entry name="!?*.kt" />
13 |       <entry name="!?*.clj" />
14 |       <entry name="!?*.aj" />
15 |     </wildcardResourcePatterns>
16 |     <annotationProcessing>
17 |       <profile default="true" name="Default" enabled="false">
18 |         <processorPath useClasspath="true" />
19 |       </profile>
20 |     </annotationProcessing>
21 |   </component>
22 | </project>


--------------------------------------------------------------------------------
/app/src/main/AndroidManifest.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     package="example.com.bluetooth">
 4 |     <uses-permission android:name="android.permission.BLUETOOTH" />
 5 |     <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
 6 |     <application
 7 |         android:allowBackup="true"
 8 |         android:icon="@mipmap/ic_launcher"
 9 |         android:label="@string/app_name"
10 |         android:supportsRtl="true"
11 |         android:theme="@style/AppTheme">
12 |         <activity android:name=".MainActivity">
13 |             <intent-filter>
14 |                 <action android:name="android.intent.action.MAIN" />
15 | 
16 |                 <category android:name="android.intent.category.LAUNCHER" />
17 |             </intent-filter>
18 |         </activity>
19 |     </application>
20 | 
21 | </manifest>
22 | 


--------------------------------------------------------------------------------
/gradle.properties:
--------------------------------------------------------------------------------
 1 | # Project-wide Gradle settings.
 2 | 
 3 | # IDE (e.g. Android Studio) users:
 4 | # Gradle settings configured through the IDE *will override*
 5 | # any settings specified in this file.
 6 | 
 7 | # For more details on how to configure your build environment visit
 8 | # http://www.gradle.org/docs/current/userguide/build_environment.html
 9 | 
10 | # Specifies the JVM arguments used for the daemon process.
11 | # The setting is particularly useful for tweaking memory settings.
12 | # Default value: -Xmx10248m -XX:MaxPermSize=256m
13 | # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
14 | 
15 | # When configured, Gradle will run in incubating parallel mode.
16 | # This option should only be used with decoupled projects. More details, visit
17 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
18 | # org.gradle.parallel=true


--------------------------------------------------------------------------------
/.idea/misc.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="EntryPointsManager">
 4 |     <entry_points version="2.0" />
 5 |   </component>
 6 |   <component name="NullableNotNullManager">
 7 |     <option name="myDefaultNullable" value="android.support.annotation.Nullable" />
 8 |     <option name="myDefaultNotNull" value="android.support.annotation.NonNull" />
 9 |     <option name="myNullables">
10 |       <value>
11 |         <list size="4">
12 |           <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
13 |           <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
14 |           <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
15 |           <item index="3" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
16 |         </list>
17 |       </value>
18 |     </option>
19 |     <option name="myNotNulls">
20 |       <value>
21 |         <list size="4">
22 |           <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
23 |           <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
24 |           <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
25 |           <item index="3" class="java.lang.String" itemvalue="android.support.annotation.NonNull" />
26 |         </list>
27 |       </value>
28 |     </option>
29 |   </component>
30 |   <component name="ProjectLevelVcsManager" settingsEditedManually="false">
31 |     <OptionsSetting value="true" id="Add" />
32 |     <OptionsSetting value="true" id="Remove" />
33 |     <OptionsSetting value="true" id="Checkout" />
34 |     <OptionsSetting value="true" id="Update" />
35 |     <OptionsSetting value="true" id="Status" />
36 |     <OptionsSetting value="true" id="Edit" />
37 |     <ConfirmationsSetting value="0" id="Add" />
38 |     <ConfirmationsSetting value="0" id="Remove" />
39 |   </component>
40 |   <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.7" project-jdk-type="JavaSDK">
41 |     <output url="file://$PROJECT_DIR$/build/classes" />
42 |   </component>
43 |   <component name="ProjectType">
44 |     <option name="id" value="Android" />
45 |   </component>
46 | </project>


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/gradlew.bat:
--------------------------------------------------------------------------------
 1 | @if "%DEBUG%" == "" @echo off
 2 | @rem ##########################################################################
 3 | @rem
 4 | @rem  Gradle startup script for Windows
 5 | @rem
 6 | @rem ##########################################################################
 7 | 
 8 | @rem Set local scope for the variables with windows NT shell
 9 | if "%OS%"=="Windows_NT" setlocal
10 | 
11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
12 | set DEFAULT_JVM_OPTS=
13 | 
14 | set DIRNAME=%~dp0
15 | if "%DIRNAME%" == "" set DIRNAME=.
16 | set APP_BASE_NAME=%~n0
17 | set APP_HOME=%DIRNAME%
18 | 
19 | @rem Find java.exe
20 | if defined JAVA_HOME goto findJavaFromJavaHome
21 | 
22 | set JAVA_EXE=java.exe
23 | %JAVA_EXE% -version >NUL 2>&1
24 | if "%ERRORLEVEL%" == "0" goto init
25 | 
26 | echo.
27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
28 | echo.
29 | echo Please set the JAVA_HOME variable in your environment to match the
30 | echo location of your Java installation.
31 | 
32 | goto fail
33 | 
34 | :findJavaFromJavaHome
35 | set JAVA_HOME=%JAVA_HOME:"=%
36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
37 | 
38 | if exist "%JAVA_EXE%" goto init
39 | 
40 | echo.
41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
42 | echo.
43 | echo Please set the JAVA_HOME variable in your environment to match the
44 | echo location of your Java installation.
45 | 
46 | goto fail
47 | 
48 | :init
49 | @rem Get command-line arguments, handling Windowz variants
50 | 
51 | if not "%OS%" == "Windows_NT" goto win9xME_args
52 | if "%@eval[2+2]" == "4" goto 4NT_args
53 | 
54 | :win9xME_args
55 | @rem Slurp the command line arguments.
56 | set CMD_LINE_ARGS=
57 | set _SKIP=2
58 | 
59 | :win9xME_args_slurp
60 | if "x%~1" == "x" goto execute
61 | 
62 | set CMD_LINE_ARGS=%*
63 | goto execute
64 | 
65 | :4NT_args
66 | @rem Get arguments from the 4NT Shell from JP Software
67 | set CMD_LINE_ARGS=%$
68 | 
69 | :execute
70 | @rem Setup the command line
71 | 
72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
73 | 
74 | @rem Execute Gradle
75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
76 | 
77 | :end
78 | @rem End local scope for the variables with windows NT shell
79 | if "%ERRORLEVEL%"=="0" goto mainEnd
80 | 
81 | :fail
82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
83 | rem the _cmd.exe /c_ return code!
84 | if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
85 | exit /b 1
86 | 
87 | :mainEnd
88 | if "%OS%"=="Windows_NT" endlocal
89 | 
90 | :omega
91 | 


--------------------------------------------------------------------------------
/gradlew:
--------------------------------------------------------------------------------
  1 | #!/usr/bin/env bash
  2 | 
  3 | ##############################################################################
  4 | ##
  5 | ##  Gradle start up script for UN*X
  6 | ##
  7 | ##############################################################################
  8 | 
  9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 10 | DEFAULT_JVM_OPTS=""
 11 | 
 12 | APP_NAME="Gradle"
 13 | APP_BASE_NAME=`basename "$0"`
 14 | 
 15 | # Use the maximum available, or set MAX_FD != -1 to use that value.
 16 | MAX_FD="maximum"
 17 | 
 18 | warn ( ) {
 19 |     echo "$*"
 20 | }
 21 | 
 22 | die ( ) {
 23 |     echo
 24 |     echo "$*"
 25 |     echo
 26 |     exit 1
 27 | }
 28 | 
 29 | # OS specific support (must be 'true' or 'false').
 30 | cygwin=false
 31 | msys=false
 32 | darwin=false
 33 | case "`uname`" in
 34 |   CYGWIN* )
 35 |     cygwin=true
 36 |     ;;
 37 |   Darwin* )
 38 |     darwin=true
 39 |     ;;
 40 |   MINGW* )
 41 |     msys=true
 42 |     ;;
 43 | esac
 44 | 
 45 | # Attempt to set APP_HOME
 46 | # Resolve links: $0 may be a link
 47 | PRG="$0"
 48 | # Need this for relative symlinks.
 49 | while [ -h "$PRG" ] ; do
 50 |     ls=`ls -ld "$PRG"`
 51 |     link=`expr "$ls" : '.*-> \(.*\)$'`
 52 |     if expr "$link" : '/.*' > /dev/null; then
 53 |         PRG="$link"
 54 |     else
 55 |         PRG=`dirname "$PRG"`"/$link"
 56 |     fi
 57 | done
 58 | SAVED="`pwd`"
 59 | cd "`dirname \"$PRG\"`/" >/dev/null
 60 | APP_HOME="`pwd -P`"
 61 | cd "$SAVED" >/dev/null
 62 | 
 63 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 64 | 
 65 | # Determine the Java command to use to start the JVM.
 66 | if [ -n "$JAVA_HOME" ] ; then
 67 |     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
 68 |         # IBM's JDK on AIX uses strange locations for the executables
 69 |         JAVACMD="$JAVA_HOME/jre/sh/java"
 70 |     else
 71 |         JAVACMD="$JAVA_HOME/bin/java"
 72 |     fi
 73 |     if [ ! -x "$JAVACMD" ] ; then
 74 |         die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
 75 | 
 76 | Please set the JAVA_HOME variable in your environment to match the
 77 | location of your Java installation."
 78 |     fi
 79 | else
 80 |     JAVACMD="java"
 81 |     which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 82 | 
 83 | Please set the JAVA_HOME variable in your environment to match the
 84 | location of your Java installation."
 85 | fi
 86 | 
 87 | # Increase the maximum file descriptors if we can.
 88 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
 89 |     MAX_FD_LIMIT=`ulimit -H -n`
 90 |     if [ $? -eq 0 ] ; then
 91 |         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
 92 |             MAX_FD="$MAX_FD_LIMIT"
 93 |         fi
 94 |         ulimit -n $MAX_FD
 95 |         if [ $? -ne 0 ] ; then
 96 |             warn "Could not set maximum file descriptor limit: $MAX_FD"
 97 |         fi
 98 |     else
 99 |         warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
100 |     fi
101 | fi
102 | 
103 | # For Darwin, add options to specify how the application appears in the dock
104 | if $darwin; then
105 |     GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
106 | fi
107 | 
108 | # For Cygwin, switch paths to Windows format before running java
109 | if $cygwin ; then
110 |     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
111 |     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
112 |     JAVACMD=`cygpath --unix "$JAVACMD"`
113 | 
114 |     # We build the pattern for arguments to be converted via cygpath
115 |     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
116 |     SEP=""
117 |     for dir in $ROOTDIRSRAW ; do
118 |         ROOTDIRS="$ROOTDIRS$SEP$dir"
119 |         SEP="|"
120 |     done
121 |     OURCYGPATTERN="(^($ROOTDIRS))"
122 |     # Add a user-defined pattern to the cygpath arguments
123 |     if [ "$GRADLE_CYGPATTERN" != "" ] ; then
124 |         OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
125 |     fi
126 |     # Now convert the arguments - kludge to limit ourselves to /bin/sh
127 |     i=0
128 |     for arg in "$@" ; do
129 |         CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
130 |         CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
131 | 
132 |         if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
133 |             eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
134 |         else
135 |             eval `echo args$i`="\"$arg\""
136 |         fi
137 |         i=$((i+1))
138 |     done
139 |     case $i in
140 |         (0) set -- ;;
141 |         (1) set -- "$args0" ;;
142 |         (2) set -- "$args0" "$args1" ;;
143 |         (3) set -- "$args0" "$args1" "$args2" ;;
144 |         (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
145 |         (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
146 |         (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
147 |         (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
148 |         (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
149 |         (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
150 |     esac
151 | fi
152 | 
153 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
154 | function splitJvmOpts() {
155 |     JVM_OPTS=("$@")
156 | }
157 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
158 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
159 | 
160 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
161 | 


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/app/src/main/java/example/com/bluetooth/MainActivity.java:
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  1 | package example.com.bluetooth;
  2 | 
  3 | import android.content.Intent;
  4 | import android.os.Handler;
  5 | import android.support.v7.app.AppCompatActivity;
  6 | import android.os.Bundle;
  7 | import android.util.Log;
  8 | import android.view.View;
  9 | import android.widget.Button;
 10 | import android.bluetooth.BluetoothAdapter;
 11 | import android.bluetooth.BluetoothDevice;
 12 | import android.bluetooth.BluetoothSocket;
 13 | import android.widget.Toast;
 14 | 
 15 | import java.io.IOException;
 16 | import java.io.InputStream;
 17 | import java.io.OutputStream;
 18 | import java.lang.reflect.Method;
 19 | import java.util.Set;
 20 | import java.util.UUID;
 21 | 
 22 | public class MainActivity extends AppCompatActivity {
 23 |     Button mainBtn;
 24 |     BluetoothAdapter bluetoothAdapter;
 25 |     BluetoothSocket socket;
 26 |     BluetoothDevice bluetoothDevice;
 27 |     OutputStream outputStream;
 28 |     InputStream inputStream;
 29 |     Thread workerThread;
 30 |     byte[] readBuffer;
 31 |     int readBufferPosition;
 32 |     volatile boolean stopWorker;
 33 |     String value = "";
 34 |     @Override
 35 |     protected void onCreate(Bundle savedInstanceState) {
 36 |         super.onCreate(savedInstanceState);
 37 |         setContentView(R.layout.activity_main);
 38 |         mainBtn = (Button)findViewById(R.id.BtnPrint);
 39 |         mainBtn.setOnClickListener(new View.OnClickListener() {
 40 |             @Override
 41 |             public void onClick(View v) {
 42 |                 IntentPrint("\nThis is me testing this app\n Hello World, it's John Oke\n Testing Bluetooth Printing\n");
 43 |             }
 44 |         });
 45 |     }
 46 |     public void IntentPrint(String txtvalue)
 47 |     {
 48 |         byte[] buffer = txtvalue.getBytes();
 49 |         byte[] PrintHeader = { (byte) 0xAA, 0x55,2,0 };
 50 |         PrintHeader[3]=(byte) buffer.length;
 51 |         InitPrinter();
 52 |         if(PrintHeader.length>128)
 53 |         {
 54 |             value+="\nValue is more than 128 size\n";
 55 |             Toast.makeText(this, value, Toast.LENGTH_LONG).show();
 56 |         }
 57 |         else
 58 |         {
 59 |             try
 60 |             {
 61 | 
 62 |                 outputStream.write(txtvalue.getBytes());
 63 |                 outputStream.close();
 64 |                 socket.close();
 65 |             }
 66 |             catch(Exception ex)
 67 |             {
 68 |                 value+=ex.toString()+ "\n" +"Excep IntentPrint \n";
 69 |                 Toast.makeText(this, value, Toast.LENGTH_LONG).show();
 70 |             }
 71 |         }
 72 |     }
 73 |     public void InitPrinter()
 74 |     {
 75 |         bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 76 |         try
 77 |         {
 78 |             if(!bluetoothAdapter.isEnabled())
 79 |             {
 80 |                 Intent enableBluetooth = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 81 |                 startActivityForResult(enableBluetooth, 0);
 82 |             }
 83 | 
 84 |             Set<BluetoothDevice> pairedDevices = bluetoothAdapter.getBondedDevices();
 85 | 
 86 |             if(pairedDevices.size() > 0)
 87 |             {
 88 |                 for(BluetoothDevice device : pairedDevices)
 89 |                 {
 90 |                     if(device.getName().equals("SP200")) //Note, you will need to change this to match the name of your device
 91 |                     {
 92 |                         bluetoothDevice = device;
 93 |                         break;
 94 |                     }
 95 |                 }
 96 | 
 97 |                 UUID uuid = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"); //Standard SerialPortService ID
 98 |                 Method m = bluetoothDevice.getClass().getMethod("createRfcommSocket", new Class[]{int.class});
 99 |                 socket = (BluetoothSocket) m.invoke(bluetoothDevice, 1);
100 |                 bluetoothAdapter.cancelDiscovery();
101 |                 socket.connect();
102 |                 outputStream = socket.getOutputStream();
103 |                 inputStream = socket.getInputStream();
104 |                 beginListenForData();
105 |             }
106 |             else
107 |             {
108 |                 value+="No Devices found";
109 |                 Toast.makeText(this, value, Toast.LENGTH_LONG).show();
110 |                 return;
111 |             }
112 |         }
113 |         catch(Exception ex)
114 |         {
115 |             value+=ex.toString()+ "\n" +" InitPrinter \n";
116 |             Toast.makeText(this, value, Toast.LENGTH_LONG).show();
117 |         }
118 |     }
119 |     void beginListenForData() {
120 |         try {
121 |             final Handler handler = new Handler();
122 | 
123 |             // this is the ASCII code for a newline character
124 |             final byte delimiter = 10;
125 | 
126 |             stopWorker = false;
127 |             readBufferPosition = 0;
128 |             readBuffer = new byte[1024];
129 | 
130 |             workerThread = new Thread(new Runnable() {
131 |                 public void run() {
132 | 
133 |                     while (!Thread.currentThread().isInterrupted() && !stopWorker) {
134 | 
135 |                         try {
136 | 
137 |                             int bytesAvailable = inputStream.available();
138 | 
139 |                             if (bytesAvailable > 0) {
140 | 
141 |                                 byte[] packetBytes = new byte[bytesAvailable];
142 |                                 inputStream.read(packetBytes);
143 | 
144 |                                 for (int i = 0; i < bytesAvailable; i++) {
145 | 
146 |                                     byte b = packetBytes[i];
147 |                                     if (b == delimiter) {
148 | 
149 |                                         byte[] encodedBytes = new byte[readBufferPosition];
150 |                                         System.arraycopy(
151 |                                                 readBuffer, 0,
152 |                                                 encodedBytes, 0,
153 |                                                 encodedBytes.length
154 |                                         );
155 | 
156 |                                         // specify US-ASCII encoding
157 |                                         final String data = new String(encodedBytes, "US-ASCII");
158 |                                         readBufferPosition = 0;
159 | 
160 |                                         // tell the user data were sent to bluetooth printer device
161 |                                         handler.post(new Runnable() {
162 |                                             public void run() {
163 |                                                 Log.d("e", data);
164 |                                             }
165 |                                         });
166 | 
167 |                                     } else {
168 |                                         readBuffer[readBufferPosition++] = b;
169 |                                     }
170 |                                 }
171 |                             }
172 | 
173 |                         } catch (IOException ex) {
174 |                             stopWorker = true;
175 |                         }
176 | 
177 |                     }
178 |                 }
179 |             });
180 | 
181 |             workerThread.start();
182 | 
183 |         } catch (Exception e) {
184 |             e.printStackTrace();
185 |         }
186 |     }
187 | }
188 | 


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