nickbutcher

<?xml version="1.0" encoding="utf-8"?>
<!--
  Copyright (C) 2015 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

AlexBlokh

public class RatioViewPager extends ViewPager {

    private float mRatio = 1f;

    public RatioViewPager(Context context) {
        super(context);
    }

    public RatioViewPager(Context context, AttributeSet attrs) {
        super(context, attrs);

curioustechizen

/**
 * An enhanced {@code CheckBox} that differentiates between user clicks and
 * programmatic clicks. In particular, the {@code OnCheckedChangeListener} is
 * <strong>not</strong> triggered when the state of the checkbox is changed
 * programmatically.
 * 
 */
public class EnhancedCheckBox extends CheckBox implements ProgrammaticallyCheckable{
  private CompoundButton.OnCheckedChangeListener mListener = null;
  public EnhancedCheckBox(Context context) {

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD