├── .classpath
├── .project
├── .settings
    └── org.eclipse.jdt.core.prefs
├── AndroidManifest.xml
├── README.txt
├── apk
    └── ArduinoColor.apk
├── gen
    └── com
    │   └── trevorshp
    │       └── arduinocolor
    │           ├── BuildConfig.java
    │           └── R.java
├── libs
    ├── android-support-v4.jar
    └── usb-serial-for-android-v010.jar
├── lint.xml
├── proguard-project.txt
├── project.properties
├── res
    ├── drawable-hdpi
    │   └── ic_launcher.png
    ├── drawable-ldpi
    │   └── ic_launcher.png
    ├── drawable-mdpi
    │   └── ic_launcher.png
    ├── drawable-xhdpi
    │   └── ic_launcher.png
    ├── layout
    │   └── activity_main.xml
    ├── values-v11
    │   └── styles.xml
    ├── values-v14
    │   └── styles.xml
    ├── values
    │   ├── strings.xml
    │   └── styles.xml
    └── xml
    │   └── device_filter.xml
└── src
    └── com
        └── trevorshp
            └── arduinocolor
                ├── ColorPickerView.java
                └── MainActivity.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="output" path="bin/classes"/>
8 | </classpath>
9 | 


--------------------------------------------------------------------------------
/.project:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <projectDescription>
 3 | 	<name>ArduinoColor</name>
 4 | 	<comment></comment>
 5 | 	<projects>
 6 | 	</projects>
 7 | 	<buildSpec>
 8 | 		<buildCommand>
 9 | 			<name>com.android.ide.eclipse.adt.ResourceManagerBuilder</name>
10 | 			<arguments>
11 | 			</arguments>
12 | 		</buildCommand>
13 | 		<buildCommand>
14 | 			<name>com.android.ide.eclipse.adt.PreCompilerBuilder</name>
15 | 			<arguments>
16 | 			</arguments>
17 | 		</buildCommand>
18 | 		<buildCommand>
19 | 			<name>org.eclipse.jdt.core.javabuilder</name>
20 | 			<arguments>
21 | 			</arguments>
22 | 		</buildCommand>
23 | 		<buildCommand>
24 | 			<name>com.android.ide.eclipse.adt.ApkBuilder</name>
25 | 			<arguments>
26 | 			</arguments>
27 | 		</buildCommand>
28 | 	</buildSpec>
29 | 	<natures>
30 | 		<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
31 | 		<nature>org.eclipse.jdt.core.javanature</nature>
32 | 	</natures>
33 | </projectDescription>
34 | 


--------------------------------------------------------------------------------
/.settings/org.eclipse.jdt.core.prefs:
--------------------------------------------------------------------------------
1 | eclipse.preferences.version=1
2 | org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
3 | org.eclipse.jdt.core.compiler.compliance=1.6
4 | org.eclipse.jdt.core.compiler.source=1.6
5 | 


--------------------------------------------------------------------------------
/AndroidManifest.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     package="com.trevorshp.arduinocolor"
 4 |     android:versionCode="1"
 5 |     android:versionName="1.0" >
 6 | 
 7 |     <uses-sdk
 8 |         android:minSdkVersion="8"
 9 |         android:targetSdkVersion="17" />
10 | 
11 |     <uses-feature
12 |         android:glEsVersion="0x00020000"
13 |         android:required="true" />
14 | 
15 |     <application
16 |         android:allowBackup="true"
17 |         android:icon="@drawable/ic_launcher"
18 |         android:label="@string/app_name" >
19 |         <activity
20 |             android:name="com.trevorshp.arduinocolor.MainActivity"
21 |             android:label="@string/title_activity_main"
22 |             android:screenOrientation="portrait"
23 |             android:windowSoftInputMode="stateAlwaysHidden" >
24 |             <intent-filter>
25 |     			<action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" />
26 |                 <action android:name="android.intent.action.MAIN" />
27 |                 <category android:name="android.intent.category.LAUNCHER" />
28 |   			</intent-filter>
29 |   			<meta-data
30 | 		      android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED" 
31 | 		      android:resource="@xml/device_filter" />
32 |         </activity>
33 |     </application>
34 | 
35 | </manifest>


--------------------------------------------------------------------------------
/README.txt:
--------------------------------------------------------------------------------
 1 | These are the source files for an Android App called Arduino Color.  
 2 | For more information on starting to develop Android apps, visit http://developer.android.com/training/index.html
 3 | 
 4 | 1. Store all these files in a root directory called ArduinoColor.
 5 | 
 6 | 2. In Eclipse (or other IDE) select Import > Existing Projects into Workspace.
 7 | 
 8 | 3. Select the ArduinoColor folder.
 9 | 
10 | 4. Run the project as an Android Application with your phone connected to your computer
11 | 


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/apk/ArduinoColor.apk:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/trevorshannon/ArduinoColor/a59bd0abbca9a827533a855e3feadd422fcc4c5e/apk/ArduinoColor.apk


--------------------------------------------------------------------------------
/gen/com/trevorshp/arduinocolor/BuildConfig.java:
--------------------------------------------------------------------------------
1 | /** Automatically generated file. DO NOT MODIFY */
2 | package com.trevorshp.arduinocolor;
3 | 
4 | public final class BuildConfig {
5 |     public final static boolean DEBUG = true;
6 | }


--------------------------------------------------------------------------------
/gen/com/trevorshp/arduinocolor/R.java:
--------------------------------------------------------------------------------
 1 | /* AUTO-GENERATED FILE.  DO NOT MODIFY.
 2 |  *
 3 |  * This class was automatically generated by the
 4 |  * aapt tool from the resource data it found.  It
 5 |  * should not be modified by hand.
 6 |  */
 7 | 
 8 | package com.trevorshp.arduinocolor;
 9 | 
10 | public final class R {
11 |     public static final class attr {
12 |     }
13 |     public static final class drawable {
14 |         public static final int ic_launcher=0x7f020000;
15 |     }
16 |     public static final class id {
17 |         public static final int colorFragLayout=0x7f070002;
18 |         public static final int color_picker_layout=0x7f070005;
19 |         public static final int color_picker_slider_text=0x7f070006;
20 |         public static final int fragLayout=0x7f070001;
21 |         public static final int main_layout=0x7f070000;
22 |         public static final int randomButton=0x7f070008;
23 |         public static final int result1_textview=0x7f070004;
24 |         public static final int results_holder_layout=0x7f070003;
25 |         public static final int seekBar1=0x7f070007;
26 |     }
27 |     public static final class layout {
28 |         public static final int activity_main=0x7f030000;
29 |     }
30 |     public static final class string {
31 |         public static final int app_name=0x7f050000;
32 |         public static final int button_random=0x7f050004;
33 |         public static final int color_picker_slider_text=0x7f050002;
34 |         public static final int color_picker_slider_text_short=0x7f050003;
35 |         public static final int title_activity_main=0x7f050001;
36 |     }
37 |     public static final class style {
38 |         /** 
39 |         Base application theme, dependent on API level. This theme is replaced
40 |         by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
41 |     
42 | 
43 |             Theme customizations available in newer API levels can go in
44 |             res/values-vXX/styles.xml, while customizations related to
45 |             backward-compatibility can go here.
46 |         
47 | 
48 |         Base application theme for API 11+. This theme completely replaces
49 |         AppBaseTheme from res/values/styles.xml on API 11+ devices.
50 |     
51 |  API 11 theme customizations can go here. 
52 | 
53 |         Base application theme for API 14+. This theme completely replaces
54 |         AppBaseTheme from BOTH res/values/styles.xml and
55 |         res/values-v11/styles.xml on API 14+ devices.
56 |     
57 |  API 14 theme customizations can go here. 
58 |          */
59 |         public static final int AppBaseTheme=0x7f060000;
60 |         /**  Application theme. 
61 |  All customizations that are NOT specific to a particular API-level can go here. 
62 |          */
63 |         public static final int AppTheme=0x7f060001;
64 |     }
65 |     public static final class xml {
66 |         public static final int device_filter=0x7f040000;
67 |     }
68 | }
69 | 


--------------------------------------------------------------------------------
/libs/android-support-v4.jar:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/trevorshannon/ArduinoColor/a59bd0abbca9a827533a855e3feadd422fcc4c5e/libs/android-support-v4.jar


--------------------------------------------------------------------------------
/libs/usb-serial-for-android-v010.jar:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/trevorshannon/ArduinoColor/a59bd0abbca9a827533a855e3feadd422fcc4c5e/libs/usb-serial-for-android-v010.jar


--------------------------------------------------------------------------------
/lint.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <lint>
3 |     <issue id="NewApi" severity="ignore" />
4 | </lint>


--------------------------------------------------------------------------------
/proguard-project.txt:
--------------------------------------------------------------------------------
 1 | # To enable ProGuard in your project, edit project.properties
 2 | # to define the proguard.config property as described in that file.
 3 | #
 4 | # Add project specific ProGuard rules here.
 5 | # By default, the flags in this file are appended to flags specified
 6 | # in ${sdk.dir}/tools/proguard/proguard-android.txt
 7 | # You can edit the include path and order by changing the ProGuard
 8 | # include property in project.properties.
 9 | #
10 | # For more details, see
11 | #   http://developer.android.com/guide/developing/tools/proguard.html
12 | 
13 | # Add any project specific keep options here:
14 | 
15 | # If your project uses WebView with JS, uncomment the following
16 | # and specify the fully qualified class name to the JavaScript interface
17 | # class:
18 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
19 | #   public *;
20 | #}
21 | 


--------------------------------------------------------------------------------
/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 edit
 7 | # "ant.properties", and override values to adapt the script to your
 8 | # project structure.
 9 | #
10 | # To enable ProGuard to shrink and obfuscate your code, uncomment this (available properties: sdk.dir, user.home):
11 | #proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
12 | 
13 | # Project target.
14 | target=android-17
15 | 


--------------------------------------------------------------------------------
/res/drawable-hdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/trevorshannon/ArduinoColor/a59bd0abbca9a827533a855e3feadd422fcc4c5e/res/drawable-hdpi/ic_launcher.png


--------------------------------------------------------------------------------
/res/drawable-ldpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/trevorshannon/ArduinoColor/a59bd0abbca9a827533a855e3feadd422fcc4c5e/res/drawable-ldpi/ic_launcher.png


--------------------------------------------------------------------------------
/res/drawable-mdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/trevorshannon/ArduinoColor/a59bd0abbca9a827533a855e3feadd422fcc4c5e/res/drawable-mdpi/ic_launcher.png


--------------------------------------------------------------------------------
/res/drawable-xhdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/trevorshannon/ArduinoColor/a59bd0abbca9a827533a855e3feadd422fcc4c5e/res/drawable-xhdpi/ic_launcher.png


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/res/layout/activity_main.xml:
--------------------------------------------------------------------------------
 1 | <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     xmlns:tools="http://schemas.android.com/tools"
 3 |     android:id="@+id/main_layout"
 4 |     android:layout_width="match_parent"
 5 |     android:layout_height="match_parent"
 6 |     android:orientation="vertical"
 7 |     tools:context=".MainActivity" >
 8 | 
 9 |     <LinearLayout
10 |         android:id="@+id/fragLayout"
11 |         android:layout_width="match_parent"
12 |         android:layout_height="match_parent"
13 |         android:visibility="gone" />
14 | 
15 |     <LinearLayout
16 |         android:id="@+id/colorFragLayout"
17 |         android:layout_width="fill_parent"
18 |         android:layout_height="wrap_content"
19 |         android:orientation="vertical" >
20 | 
21 |         <LinearLayout
22 |             android:id="@+id/results_holder_layout"
23 |             android:layout_width="fill_parent"
24 |             android:layout_height="fill_parent"
25 |             android:orientation="vertical" >
26 | 
27 |             <TextView
28 |                 android:id="@+id/result1_textview"
29 |                 android:layout_width="fill_parent"
30 |                 android:layout_height="fill_parent"
31 |                 android:textAlignment="center"
32 |                 android:gravity="center"
33 |                 android:textSize="20sp"
34 |                 android:textStyle="bold"
35 |                 android:paddingLeft="5dp"
36 |                 android:paddingRight="5dp"
37 |                 android:paddingTop="1dp"
38 |                 android:paddingBottom="1dp" />
39 |         </LinearLayout>
40 | 
41 |         <LinearLayout
42 |             android:layout_width="fill_parent"
43 |             android:layout_height="wrap_content"
44 |             android:orientation="vertical" >
45 | 
46 |             <LinearLayout
47 |                 android:id="@+id/color_picker_layout"
48 |                 android:layout_width="fill_parent"
49 |                 android:layout_height="0dp"
50 |                 android:layout_gravity="bottom|center_horizontal"
51 |                 android:layout_weight="1" />
52 | 
53 |             <TextView
54 |                 android:id="@+id/color_picker_slider_text"
55 |                 android:layout_width="fill_parent"
56 |                 android:layout_height="wrap_content"
57 |                 android:gravity="bottom"
58 |                 android:paddingLeft="5dp"
59 |                 android:paddingRight="5dp"
60 |                 android:text="@string/color_picker_slider_text_short" />
61 | 
62 |             <LinearLayout
63 |                 android:layout_width="fill_parent"
64 |                 android:layout_height="wrap_content"
65 |                 android:layout_gravity="bottom"
66 |                 android:orientation="horizontal"
67 |                 android:paddingBottom="1dp"
68 |                 android:paddingRight="1dp" >
69 | 
70 |                 <SeekBar
71 |                     android:id="@+id/seekBar1"
72 |                     android:layout_width="0dp"
73 |                     android:layout_height="wrap_content"
74 |                     android:layout_gravity="bottom"
75 |                     android:layout_weight="1" />
76 | 
77 |                 <Button
78 |                     android:id="@+id/randomButton"
79 |                     android:layout_width="wrap_content"
80 |                     android:layout_height="wrap_content"
81 |                     android:onClick="randomColor"
82 |                     android:textSize="14sp"
83 |                     android:text="@string/button_random" />
84 | 
85 |             </LinearLayout>
86 |         </LinearLayout>
87 |     </LinearLayout>
88 | </LinearLayout>


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/res/values-v11/styles.xml:
--------------------------------------------------------------------------------
 1 | <resources>
 2 | 
 3 |     <!--
 4 |         Base application theme for API 11+. This theme completely replaces
 5 |         AppBaseTheme from res/values/styles.xml on API 11+ devices.
 6 |     -->
 7 |     <style name="AppBaseTheme" parent="android:Theme.Holo">
 8 |         <!-- API 11 theme customizations can go here. -->
 9 |     </style>
10 | 
11 | </resources>


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/res/values-v14/styles.xml:
--------------------------------------------------------------------------------
 1 | <resources>
 2 | 
 3 |     <!--
 4 |         Base application theme for API 14+. This theme completely replaces
 5 |         AppBaseTheme from BOTH res/values/styles.xml and
 6 |         res/values-v11/styles.xml on API 14+ devices.
 7 |     -->
 8 |     <style name="AppBaseTheme" parent="android:Theme.Holo">
 9 |         <!-- API 14 theme customizations can go here. -->
10 |     </style>
11 | 
12 | </resources>


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/res/values/strings.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <resources>
 3 | 
 4 |     <string name="app_name">Arduino Color</string>
 5 |     <string name="title_activity_main">Arduino Color</string>
 6 |     <string name="color_picker_slider_text">Use the slider or pinch the color picker to add or subtract blue for all possible hex colors.</string>
 7 |     <string name="color_picker_slider_text_short">Use the slider to add or subtract blue, creating all possible hex colors.</string>
 8 |     <string name="button_random">Random</string>
 9 |     
10 | </resources>


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/res/values/styles.xml:
--------------------------------------------------------------------------------
 1 | <resources>
 2 | 
 3 |     <!--
 4 |         Base application theme, dependent on API level. This theme is replaced
 5 |         by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
 6 |     -->
 7 |     <style name="AppBaseTheme" parent="android:Theme">
 8 |         <!--
 9 |             Theme customizations available in newer API levels can go in
10 |             res/values-vXX/styles.xml, while customizations related to
11 |             backward-compatibility can go here.
12 |         -->
13 |     </style>
14 | 
15 |     <!-- Application theme. -->
16 |     <style name="AppTheme" parent="AppBaseTheme">
17 |         <!-- All customizations that are NOT specific to a particular API-level can go here. -->
18 |     </style>
19 | 
20 | </resources>


--------------------------------------------------------------------------------
/res/xml/device_filter.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <resources>
 3 |     <!-- 0x0403 / 0x6001: FTDI FT232R UART -->
 4 |     <usb-device vendor-id="1027" product-id="24577" />
 5 | 
 6 |     <!-- 0x2341 / Arduino -->
 7 |     <usb-device vendor-id="9025" />
 8 | 
 9 |     <!-- 0x16C0 / 0x0483: Teensyduino  -->
10 |     <usb-device vendor-id="5824" product-id="1155" />
11 | 
12 |     <!-- 0x10C4 / 0xEA60: CP210x UART Bridge -->
13 |     <usb-device vender-id="4292" product-id="60000" />
14 |     
15 | </resources>
16 | 


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/src/com/trevorshp/arduinocolor/ColorPickerView.java:
--------------------------------------------------------------------------------
  1 | package com.trevorshp.arduinocolor;
  2 | 
  3 | import android.content.Context;
  4 | import android.graphics.Bitmap;
  5 | import android.graphics.Canvas;
  6 | import android.graphics.Color;
  7 | import android.graphics.Paint;
  8 | import android.graphics.Rect;
  9 | import android.graphics.drawable.ShapeDrawable;
 10 | import android.graphics.drawable.shapes.OvalShape;
 11 | import android.util.TypedValue;
 12 | import android.view.View;
 13 | 
 14 | public class ColorPickerView extends View {
 15 |     
 16 |     // for the thumbnail
 17 |     private ShapeDrawable thumb;
 18 |     private ShapeDrawable thumb2;
 19 |     private int thumbRadius = 51; //value in dp
 20 |     private int thumbEdge =  1; //value in dp
 21 |     private boolean thumbIsVisible=false;
 22 |     
 23 |     // for the bitmap
 24 |     private Bitmap bitty;
 25 |     private static final int bwidth = 256;
 26 |     private static final int bheight = 256;
 27 |     private int[] pixels = new int[bwidth*bheight];
 28 |     private double factor = 3.1;
 29 |     public int paddingx = 0;
 30 |     public int paddingy = 0;
 31 |     
 32 |     public int size;
 33 |     
 34 |     // coordinates of the currently selected pixel (0-255)
 35 |     private int xp; 
 36 |     private int yp;
 37 | 
 38 |     // value for the z part of the color graph
 39 |     private float kPrev = 150;
 40 |     
 41 |     private Rect r1 = new Rect(0,0,bwidth,bheight);
 42 |     private Rect r2;
 43 | 	
 44 | 	public ColorPickerView(Context context, int blue, int density) {
 45 | 		super(context);
 46 | 		Bitmap.Config config = Bitmap.Config.ARGB_8888;
 47 | 		bitty = Bitmap.createBitmap(bwidth,bheight,config);
 48 | 		updateBitmap(blue);
 49 | 		thumbRadius = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, thumbRadius, getResources().getDisplayMetrics());
 50 | 		thumbEdge = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, thumbEdge, getResources().getDisplayMetrics());
 51 | 		createThumb(paddingx,paddingy,Color.BLACK);
 52 |     }
 53 | 	
 54 | 	@Override
 55 | 	protected void onLayout (boolean changed, int left, int top, int right, int bottom) {
 56 | 		int width = this.getWidth();
 57 | 		int height = this.getHeight();
 58 | 		if (height != 0 && changed == true) {
 59 | 			if (width > height) {
 60 | 				paddingx = (width-height+1)/2;
 61 | 				size = height;
 62 | 			} else if (width < height) {
 63 | 				paddingy = (height-width+1)/2;
 64 | 				size = width;
 65 | 			}
 66 | 			factor = (1.0*size-2.0*Math.min(paddingx, paddingy))/(1.0*bwidth);
 67 | 			r2 = new Rect(paddingx,paddingy,(int) width-paddingx,(int) height-paddingy);
 68 | 		}
 69 | 	}
 70 | 
 71 |     protected void onDraw(Canvas canvas) {
 72 |     	canvas.drawBitmap(bitty, r1, r2, null);
 73 |     	if (thumbIsVisible) {
 74 | 	    	thumb.draw(canvas);
 75 | 	    	thumb2.draw(canvas);
 76 |     	}
 77 |     }
 78 |     
 79 |     // gets the color at a certain point
 80 |     public int getColor(float xf, float yf, boolean wasTouched) {
 81 |     	int x = (int) xf;
 82 |     	int y = (int) yf;
 83 |     	
 84 |     	if (!thumbIsVisible && wasTouched) {
 85 | 	    	thumbIsVisible=true;
 86 |     	}
 87 |     	
 88 | 		if (x >= r2.right) x = r2.right - 1;
 89 | 		else if (x < r2.left) x = r2.left;
 90 | 		if (y >= r2.bottom) y = r2.bottom - 1;
 91 | 		else if (y < r2.top) y = r2.top;
 92 |     
 93 | 		//xp and yp are in the scaled bitmap from 0-255
 94 |     	xp = (int) ((1.0*(x-paddingx))/factor);
 95 |     	yp = (int) ((1.0*(y-paddingy))/factor);
 96 |     	 
 97 |     	moveThumb(x,y);
 98 |     	    	
 99 |     	int pixel = bitty.getPixel(xp, yp);
100 |     	thumb.getPaint().setColor(pixel);
101 |     	return pixel;
102 |     }
103 |     
104 |     private void moveThumb(int x, int y) {
105 |     	thumb.setBounds(x-thumbRadius,y-thumbRadius,x+thumbRadius,y+thumbRadius);
106 |     	thumb2.setBounds(x-thumbRadius-thumbEdge,y-thumbRadius-thumbEdge,x+thumbRadius+thumbEdge,y+thumbRadius+thumbEdge); 
107 |     }
108 |     
109 |     public void noColor() {
110 |     	thumbIsVisible = false;
111 |     }
112 |     
113 |     // called at multitouch events
114 |     public int updateShade(double scale) {
115 |     	float k = ((float)scale-1)*100+kPrev;
116 |     	if (k > 255) k = 255; // if hsv, set this to 360
117 |     	if (k < 0) k = 0; // can't let it go to 0 or we never scale it back again
118 |     	updateBitmap((int)k);
119 |     	if (thumbIsVisible) {
120 | 	    	thumbIsVisible=false;
121 |     	}
122 |     	int pixel = bitty.getPixel(xp, yp);
123 |     	thumb.getPaint().setColor(pixel);
124 |     	return pixel;
125 |     }
126 |     
127 |     // called at seekbar events
128 |     public int updateShade(int shade) {
129 |     	updateBitmap(shade);
130 |     	if (!thumbIsVisible) {
131 | 	    	thumbIsVisible=true;
132 |     	}
133 |     	int pixel = bitty.getPixel(xp, yp);
134 |     	thumb.getPaint().setColor(pixel);
135 |     	return pixel;
136 |     }
137 |     
138 |     // sets the colorPicker's color to a certain r,g,b indicated by x,y,z
139 |     public void setColor(int red, int green, int blue) {
140 |     	xp = red;
141 |     	yp = green;
142 |     	moveThumb((int)(xp*factor+paddingx),(int)(yp*factor+paddingy));
143 |     }
144 | 
145 |     
146 |     // creates the thumbnail viewer
147 |     private void createThumb(int x, int y, int color) {
148 |     	thumb = new ShapeDrawable(new OvalShape());
149 |     	thumb.getPaint().setColor(color);
150 |     	
151 |     	thumb2 = new ShapeDrawable(new OvalShape());
152 |     	thumb2.getPaint().setColor(0x55FFFFFF);
153 |     	thumb2.getPaint().setStyle(Paint.Style.STROKE);
154 |     	thumb2.getPaint().setStrokeWidth(5);
155 |     	
156 |     	thumb.getPaint().setAntiAlias(true);
157 |     	thumb2.getPaint().setAntiAlias(true);
158 |     }
159 |     
160 |     // updates the bitmap based on a blue factor
161 |     private void updateBitmap(int k) {
162 | 		for (int i = 0; i < bwidth; i++) {
163 | 			for (int j = 0; j < bheight; j++) {
164 | 				pixels[i*bheight+j] = Color.rgb(j, i, k);
165 | 			}
166 | 		}
167 | 		kPrev = k;
168 | 		bitty.setPixels(pixels, 0, bwidth, 0, 0, bwidth, bheight);
169 |     }
170 | }


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/src/com/trevorshp/arduinocolor/MainActivity.java:
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  1 | package com.trevorshp.arduinocolor;
  2 | 
  3 | 
  4 | import java.io.IOException;
  5 | 
  6 | import android.content.Context;
  7 | import android.graphics.Color;
  8 | import android.hardware.usb.UsbManager;
  9 | import android.os.Bundle;
 10 | import android.support.v4.app.FragmentActivity;
 11 | import android.util.DisplayMetrics;
 12 | import android.util.Log;
 13 | import android.view.MotionEvent;
 14 | import android.view.View;
 15 | import android.view.View.OnTouchListener;
 16 | import android.widget.LinearLayout;
 17 | import android.widget.SeekBar;
 18 | import android.widget.SeekBar.OnSeekBarChangeListener;
 19 | import android.widget.TextView;
 20 | 
 21 | import com.hoho.android.usbserial.driver.UsbSerialDriver;
 22 | import com.hoho.android.usbserial.driver.UsbSerialProber;
 23 | 
 24 | 
 25 |  
 26 | public class MainActivity extends FragmentActivity implements OnTouchListener, OnSeekBarChangeListener {
 27 | 	public final static String TAG = "AndroidColor";
 28 | 	public ColorPickerView colorPicker;
 29 | 	private TextView text1;
 30 | 	private static final int blueStart = 100;
 31 | 	
 32 | 	private UsbManager usbManager;
 33 | 	private UsbSerialDriver device;
 34 |   
 35 | 	@Override
 36 |     protected void onCreate(Bundle savedInstanceState) {
 37 | 		super.onCreate(savedInstanceState);
 38 |         setContentView(R.layout.activity_main);
 39 |         LinearLayout layout = (LinearLayout) findViewById(R.id.color_picker_layout);
 40 |         final int width = layout.getWidth();
 41 |         //get the display density
 42 |         DisplayMetrics metrics = new DisplayMetrics();
 43 |         getWindowManager().getDefaultDisplay().getMetrics(metrics);
 44 |         colorPicker = new ColorPickerView(this,blueStart,metrics.densityDpi);
 45 |         layout.setMinimumHeight(width);
 46 |         layout.addView(colorPicker);
 47 |         layout.setOnTouchListener(this);
 48 |         
 49 |         text1 = (TextView) findViewById(R.id.result1_textview);
 50 | 	    text1.setText("Tap a color!");
 51 |                 
 52 | 		SeekBar seek = (SeekBar) findViewById(R.id.seekBar1);
 53 | 		seek.setProgress(blueStart);
 54 | 		seek.setMax(255);
 55 | 		seek.setOnSeekBarChangeListener(this);
 56 | 		
 57 | 		// Get UsbManager from Android.
 58 | 		usbManager = (UsbManager) getSystemService(Context.USB_SERVICE);
 59 |     } 
 60 | 	
 61 | 	 @Override
 62 |     protected void onPause() {
 63 |         super.onPause();
 64 |         //check if the device is already closed
 65 |         if (device != null) {
 66 |             try {
 67 |                 device.close();
 68 |             } catch (IOException e) {
 69 |                 //we couldn't close the device, but there's nothing we can do about it!
 70 |             }
 71 |             //remove the reference to the device
 72 |             device = null;
 73 |         }
 74 |     }
 75 | 
 76 |     @Override
 77 |     protected void onResume() {
 78 |         super.onResume();
 79 |         //get a USB to Serial device object
 80 |         device = UsbSerialProber.acquire(usbManager);
 81 |         if (device == null) {
 82 |         	//there is no device connected!
 83 |             Log.d(TAG, "No USB serial device connected.");
 84 |         } else {
 85 |             try {
 86 |             	//open the device
 87 |                 device.open();
 88 |                 //set the communication speed
 89 |                 device.setBaudRate(115200); //make sure this matches your device's setting!
 90 |             } catch (IOException err) {
 91 |                 Log.e(TAG, "Error setting up USB device: " + err.getMessage(), err);
 92 |                 try {
 93 |                 	//something failed, so try closing the device
 94 |                 	device.close();
 95 |                 } catch (IOException err2) {
 96 |                     //couldn't close, but there's nothing more to do!
 97 |                 }
 98 |                 device = null;
 99 |                 return;
100 |             }
101 |         }
102 |     }
103 | 	    
104 | 	@Override
105 | 	public void onDestroy() {
106 | 		super.onDestroy();
107 | 	}
108 | 	
109 | 	// sends color data to a Serial device as {R, G, B, 0x0A}
110 | 	private void sendToArduino(int color){
111 | 		byte[] dataToSend = {(byte)Color.red(color),(byte)Color.green(color),(byte)Color.blue(color), 0x0A};
112 | 		//remove spurious line endings from color bytes so the serial device doesn't get confused
113 | 		for (int i=0; i<dataToSend.length-1; i++){
114 | 			if (dataToSend[i] == 0x0A){
115 | 				dataToSend[i] = 0x0B;
116 | 			}
117 | 		}
118 | 		//send the color to the serial device
119 | 		if (device != null){
120 | 			try{
121 | 				device.write(dataToSend, 500);
122 | 			}
123 | 			catch (IOException e){
124 | 				Log.e(TAG, "couldn't write color bytes to serial device");
125 | 			}
126 | 		}
127 | 	}
128 | 	
129 |     // sets the text boxes' text and color background.
130 | 	private void updateTextAreas(int col) {
131 | 		int[] colBits = {Color.red(col),Color.green(col),Color.blue(col)};
132 | 		//set the text & color backgrounds
133 | 		text1.setText("You picked #" + String.format("%02X", Color.red(col)) + String.format("%02X", Color.green(col)) + String.format("%02X", Color.blue(col)));
134 | 		text1.setBackgroundColor(col);
135 | 		
136 | 		if (isDarkColor(colBits)) {
137 | 			text1.setTextColor(Color.WHITE);
138 | 		} else {
139 | 			text1.setTextColor(Color.BLACK);
140 | 		}
141 | 	}
142 | 	
143 | 	// returns true if the color is dark.  useful for picking a font color.
144 |     public boolean isDarkColor(int[] color) {
145 |     	if (color[0]*.3 + color[1]*.59 + color[2]*.11 > 150) return false;
146 |     	return true;
147 |     }
148 |     
149 |     @Override
150 |     //called when the user touches the color palette
151 | 	public boolean onTouch(View view, MotionEvent event) {
152 |     	int color = 0;
153 | 		color = colorPicker.getColor(event.getX(),event.getY(),true);
154 | 		colorPicker.invalidate();
155 | 		//re-draw the selected colors text
156 | 		updateTextAreas(color);
157 | 		//send data to arduino
158 | 		sendToArduino(color);
159 | 		return true;
160 | 	}
161 | 	
162 |     @Override
163 | 	public void onProgressChanged(SeekBar seek, int progress, boolean fromUser) {
164 | 		int amt = seek.getProgress();
165 | 		int col = colorPicker.updateShade(amt);
166 | 		updateTextAreas(col);
167 | 		sendToArduino(col);
168 | 		colorPicker.invalidate();
169 | 	}
170 | 
171 | 	@Override
172 | 	public void onStartTrackingTouch(SeekBar arg0) {
173 | 		
174 | 	}
175 | 
176 | 	@Override
177 | 	public void onStopTrackingTouch(SeekBar arg0) {
178 | 		
179 | 	}
180 | 	
181 | 	// generate a random hex color & display it
182 | 	public void randomColor(View v) {
183 |     	int z = (int) (Math.random()*255);
184 |     	int x = (int) (Math.random()*255);
185 |     	int y = (int) (Math.random()*255);
186 |     	colorPicker.setColor(x,y,z);
187 | 		SeekBar seek = (SeekBar) findViewById(R.id.seekBar1);
188 | 		seek.setProgress(z);
189 | 	}
190 | }
191 | 


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