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public ColorFilter duotoneColorFilter(@ColorInt int colorBlack, @ColorInt int colorWhite, float contrast) {
    ColorMatrix cm = new ColorMatrix();
    
    ColorMatrix cmBlackWhite = new ColorMatrix();
    float lumR = 0.2125f;
    float lumG = 0.7154f;
    float lumB = 0.0721f;
    float[] blackWhiteArray = new float[]{
                lumR, lumG, lumB, 0, 0,
                lumR, lumG, lumB, 0, 0,

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Send uncaught Exceptions from Android Wear to Android

This is a short Gist showing how I transmit any uncaught exceptions happening in the Wearable part of my App to the connected Smartphone/Tablet. This is necessary because Android Wear devices are not directly connected to the Internet themselves.

##Wear

• WearApp.java
• AndroidManifest.xml
• ErrorService.java

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/*
 * Copyright (C) 2014 Chris Banes
 *
 * 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

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// Copyright 2012 Square, Inc.
package com.squareup.widgets;

import android.content.Context;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import android.widget.ImageView;

/** Maintains an aspect ratio based on either width or height. Disabled by default. */
public class AspectRatioImageView extends ImageView {