Android SurfaceView 的相关内容

Android播放器之SurfaceView与GLSurfaceView

先看SurfaceSurface的官方介绍：Handle onto a raw buffer that is being managed by the screen compositor，Surface是一个raw buffer的句柄，通过它在raw buffer上进行绘制，可以通过Surface获...

Android 使用MediaPlayer和SurfaceView播放视频

先创建布局页面activity_media_player_video.xml：<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res...

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RE: 从零开始的车载Android HMI（三） - SurfaceView

1.前言从零开始的车载Android HMI是一个系列性的文章，目的在于展示一些在Android手机应用开中不常用，但是在车载应用开发中较为常用的一系列Android HMI 组件，希望能够帮助初入车载应用开发的同学了解车载应用开发过程中常用的各种UI 组件。 RE: 从零开始的车载Android...

Android 裁剪摄像头预览窗口-SurfaceView

概述 Android 下, 使用SurfaceView显示摄像头预览, 通常使用的是一个矩形窗口, 如果, 要使用一个圆形窗口呢?先上效果图未打开摄像头打开摄像头实现过程视图布局实现圆形裁剪的方法有很多, 最简单的, 可以在SurfaceView上方增加一个视图遮罩, 挡住不需要显示的区域即可遮罩的...

内存泄露，OOM，ANR ，Devik 进程，Framework原理，Activity 生成一个 view，Android 中的动画，SurfaceView和V

什么情况下会导致内存泄露内存泄露是个折腾的问题。根本原因：长生命周期的对象持有短生命周期的对象。短周期对象就无法及时释放。I. 静态集合类引起内存泄露主要是hashmap，Vector等，如果是静态集合这些集合没有及时setnull的话，就会一直持有这些对象。II.remove 方法无法删除set...

Android自定义控件(十)——SurfaceView实战实现天气APP背景移动效果

SurfaceView与View区别前面我们所有的讲解基本都是自定义View来实现各种Android的自定义控件，但编写过相机的Android程序员，肯定对SurfaceView不陌生，那什么时候该用SurfaceView呢？我们先来看一个概念，在Android中屏幕的刷新时间为16ms，如果Vie...

Android性能优化 | 大图做帧动画卡？优化帧动画之 SurfaceView滑动窗口式帧复用

这是 Android 性能优化系列文章的第二篇，文章列表如下：Android性能优化 | 帧动画OOM？优化帧动画之 SurfaceView逐帧解析Android性能优化 | 大图做帧动画卡顿？优化帧动画之 SurfaceView滑动窗口式帧复用Android性能优化 | 把构建布局用时缩短 20 ...

Android性能优化 | 帧动画OOM？优化帧动画之SurfaceView逐帧解析

这是 Android 性能优化系列文章的第一篇，文章列表如下：Android性能优化 | 帧动画OOM？优化帧动画之 SurfaceView逐帧解析Android性能优化 | 大图做帧动画卡顿？优化帧动画之 SurfaceView滑动窗口式帧复用Android性能优化 | 把构建布局用时缩短 20 ...

关于Android SurfaceView截屏总结

普通View截图普通视图获取View截图 /** * 获取控件截图（黑色背景） * * @param view view * @return Bitmap */ public static Bitmap getViewBitmapNoBg(View view) { view.setDrawing...

【Android 应用开发】View 与 SurfaceView 区别

组件刷新所在线程1. View 主线程刷新 UI : View 的更新是在 UI 主线程中进行更新 , 如果更新中执行耗时操作 , 会阻塞主线程 , 甚至出现 ANR 异常 ;2. SurfaceView 在子线程刷新 UI : SurfaceView 中可以创建新的子线程 , 并在该子线程中刷新 ...

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