heaversm

private final Matrix mMatrix = new Matrix();

private void updateMatrix() {
    float mw = this.getWidth();
    float mh = this.getHeight();

    float hw = this.getWidth() / 2.0f;
    float hh = this.getHeight() / 2.0f;

    float cw  = (float)Resources.getSystem().getDisplayMetrics().widthPixels; //Make sure to import Resources package

tc

/*
 * Copyright 2013 The Android Open Source Project
 *
 * 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