v1.3.0

app/build.gradle

@@ -10,13 +10,14 @@ android {
         }
     }
     compileSdkVersion 23
-    buildToolsVersion "23.0.1"
+    buildToolsVersion "23.0.2"
+
     defaultConfig {
         applicationId "me.rijul.knockcode"
         minSdkVersion 21
         targetSdkVersion 22
-        versionCode 25
-        versionName "1.2.5"
+        versionCode 30
+        versionName "1.3.0"
     }
     buildTypes {
         release {
@@ -29,7 +30,6 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
+    compile project(':ColorPickerPreference')
     testCompile 'junit:junit:4.12'
-    compile 'com.android.support:appcompat-v7:23.1.1'
-    compile 'com.android.support:design:23.1.1'
 }

app/libs/ColorPickerPreference/.gitignore

@@ -0,0 +1 @@
+/build

app/libs/ColorPickerPreference/build.gradle

@@ -0,0 +1,23 @@
+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 21
+    buildToolsVersion "21.1.2"
+
+    defaultConfig {
+        minSdkVersion 7
+        targetSdkVersion 21
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+}

app/libs/ColorPickerPreference/proguard-rules.pro

@@ -0,0 +1,34 @@
+-optimizationpasses 5
+-dontusemixedcaseclassnames
+-dontskipnonpubliclibraryclasses
+-dontpreverify
+-verbose
+-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*
+
+-keep public class * extends android.app.Activity
+-keep public class * extends android.app.Application
+-keep public class * extends android.app.Service
+-keep public class * extends android.content.BroadcastReceiver
+-keep public class * extends android.content.ContentProvider
+-keep public class com.android.vending.licensing.ILicensingService
+
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+-keepclasseswithmembernames class * {
+    public <init>(android.content.Context, android.util.AttributeSet);
+}
+
+-keepclasseswithmembernames class * {
+    public <init>(android.content.Context, android.util.AttributeSet, int);
+}
+
+-keepclassmembers enum * {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
+}
+
+-keep class * implements android.os.Parcelable {
+  public static final android.os.Parcelable$Creator *;
+}

app/libs/ColorPickerPreference/src/androidTest/java/net/margaritov/colorpickerpreference/ApplicationTest.java

@@ -0,0 +1,13 @@
+package net.margaritov.colorpickerpreference;
+
+import android.app.Application;
+import android.test.ApplicationTestCase;
+
+/**
+ * <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
+ */
+public class ApplicationTest extends ApplicationTestCase<Application> {
+    public ApplicationTest() {
+        super(Application.class);
+    }
+}

app/libs/ColorPickerPreference/src/main/AndroidManifest.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="net.margaritov.preference.colorpicker">
+
+    <uses-sdk android:minSdkVersion="7" />
+
+</manifest>

app/libs/ColorPickerPreference/src/main/java/net/margaritov/preference/colorpicker/AlphaPatternDrawable.java

@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2010 Daniel Nilsson
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package net.margaritov.preference.colorpicker;
+
+import android.graphics.Bitmap;
+import android.graphics.Bitmap.Config;
+import android.graphics.Canvas;
+import android.graphics.ColorFilter;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+
+/**
+ * This drawable that draws a simple white and gray chessboard pattern.
+ * It's pattern you will often see as a background behind a
+ * partly transparent image in many applications.
+ *
+ * @author Daniel Nilsson
+ */
+public class AlphaPatternDrawable extends Drawable {
+
+    private int mRectangleSize = 10;
+
+    private Paint mPaint = new Paint();
+    private Paint mPaintWhite = new Paint();
+    private Paint mPaintGray = new Paint();
+
+    private int numRectanglesHorizontal;
+    private int numRectanglesVertical;
+
+    /**
+     * Bitmap in which the pattern will be cahched.
+     */
+    private Bitmap mBitmap;
+
+    public AlphaPatternDrawable(int rectangleSize) {
+        mRectangleSize = rectangleSize;
+        mPaintWhite.setColor(0xffffffff);
+        mPaintGray.setColor(0xffcbcbcb);
+    }
+
+    @Override
+    public void draw(Canvas canvas) {
+        canvas.drawBitmap(mBitmap, null, getBounds(), mPaint);
+    }
+
+    @Override
+    public int getOpacity() {
+        return 0;
+    }
+
+    @Override
+    public void setAlpha(int alpha) {
+        throw new UnsupportedOperationException("Alpha is not supported by this drawwable.");
+    }
+
+    @Override
+    public void setColorFilter(ColorFilter cf) {
+        throw new UnsupportedOperationException("ColorFilter is not supported by this drawwable.");
+    }
+
+    @Override
+    protected void onBoundsChange(Rect bounds) {
+        super.onBoundsChange(bounds);
+
+        int height = bounds.height();
+        int width = bounds.width();
+
+        numRectanglesHorizontal = (int) Math.ceil((width / mRectangleSize));
+        numRectanglesVertical = (int) Math.ceil(height / mRectangleSize);
+
+        generatePatternBitmap();
+
+    }
+
+    /**
+     * This will generate a bitmap with the pattern
+     * as big as the rectangle we were allow to draw on.
+     * We do this to chache the bitmap so we don't need to
+     * recreate it each time draw() is called since it
+     * takes a few milliseconds.
+     */
+    private void generatePatternBitmap() {
+
+        if (getBounds().width() <= 0 || getBounds().height() <= 0) {
+            return;
+        }
+
+        mBitmap = Bitmap.createBitmap(getBounds().width(), getBounds().height(), Config.ARGB_8888);
+        Canvas canvas = new Canvas(mBitmap);
+
+        Rect r = new Rect();
+        boolean verticalStartWhite = true;
+        for (int i = 0; i <= numRectanglesVertical; i++) {
+
+            boolean isWhite = verticalStartWhite;
+            for (int j = 0; j <= numRectanglesHorizontal; j++) {
+
+                r.top = i * mRectangleSize;
+                r.left = j * mRectangleSize;
+                r.bottom = r.top + mRectangleSize;
+                r.right = r.left + mRectangleSize;
+
+                canvas.drawRect(r, isWhite ? mPaintWhite : mPaintGray);
+
+                isWhite = !isWhite;
+            }
+
+            verticalStartWhite = !verticalStartWhite;
+
+        }
+
+    }
+
+}