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Name	API Level	Revision	Version Code
Android 6.0	23	2	Marshmallow(Android M)
Android 5.1.0	22	2	Lollipop(Android L)
Android 5.0.1	21	2	Lollipop(Android L)
Android 4.4W.2	20	2	KitKat
Android 4.4.2	19	4	KitKat
Android 4.3.1	18	3	Jelly Bean
Android 4.2.2	17	3	JELLY_BEAN_MR1
Android 4.1.2	16	5	JELLY_BEAN

yuanliwei

ViewAnimator 使用

布局

<ViewAnimator
    android:id="@+id/sample_output"
    android:layout_width="match_parent"
    android:layout_height="0px"
    android:layout_weight="1"
 android:inAnimation="@android:anim/fade_in"

yuanliwei

Gradle环境变量配置

• GRADLE_HOME = C:\Gradle
• PATH = %GRADLE_HOME%\bin
• 运行gradle -v检查安装是否正确

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修改Gradle仓库地址

buildscript {
    repositories {
        maven { url 'http://maven.oschina.net/content/groups/public/' }

    }
    dependencies {
 classpath 'com.android.tools.build:gradle:1.5.0'

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PowerShell查看目录下文件夹大小

function filesize ([string]$filepath)
 {
     $result=@() 
     if ($filepath -eq $null)
     {
         throw "路径不能为空"
     }
 dir -Path $filepath |

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        web.setWebChromeClient(new WebChromeClient() {

            private CustomViewCallback myCallback;
            private View videoView;

            @Override
            public void onShowCustomView(View view, CustomViewCallback callback) {
                if (myCallback != null) {
                    myCallback.onCustomViewHidden();
                    myCallback = null;

yuanliwei

Android 设置硬件加速

1. 整个应用都要开启硬件加速：< application ... android:hardwareAccelerated ="true">
2. 在一个Activity中开启硬件加速：
   • <activity ... android:hardwareAccelerated="true" >
   • getWindow.addFlags(WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED);
3. 取消指定View上的硬件加速：view.setLayerType(View.LAYER_TYPE_SOFTWARE, null);

yuanliwei

Android替换hosts的方法

1. adb shell
2. su root
3. cd /system/etc
4. mount
5. 退出adb shell
6. adb shell su root chmod -R 777 /system/etc/hosts
7. adb push hosts /system/etc/hosts

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/*
 * Copyright (C) 2012 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

yuanliwei

js鼠标移动事件

		canvas.addEventListener('mousemove', doMouseMove, false);
		function doMouseMove(e) {
			var x = e.clientX;
			var y = e.clientY;
			var p = getPointOnCanvas(canvas, e);

			var box = canvas.getBoundingClientRect()