Android播放_第4页-阿里云

安卓使用MediaPlayer播放RTSP无画面的解决办法

当然，这里SurfaceView和MediaPlayer使用都正确。在实际使用中，进入界面时，有时有画面，有时没画面。查了一下代码，一直没有start()，相当于没有准备好。那么我直接start()行不行？还是没画面。于是加个延时，检查控制器是否已经开始播放。...

开发时遇到监听的事件处理机制和SoundPool播放音效解决方法以及外部类的使用【Android】

监听的事件处理机制事件侦听器机制是一种委托的事件处理机制。事件源（组件）事件处理被委托给事件侦听器。当指定的事件发生在事件源中时，将通知事件侦听器执行相应的操作重写点击事件的处理方法onClick()public class MainActivity extends Activity { priva...

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Android MediaPlayer 播放prepareAsync called in state 8解决办法

使用android MediaPlayer播放音频文件时，有时会出现prepareasync called in state 8错误。以下方法可以避免这个异常出现。 private void playAudio(String audioUri){ Uri uri = Uri.parse...

【安卓开发】Android实现录音并播放功能

官网文档添加权限<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.RECORD...

解决Android WebVIew中视频播放前出现的灰色三角形播放图标

最近在开发中，发现WebView中播放视频时，会出现灰色的播放图标，如图：解决办法如下：重写 WebChromeClient 类中的 getDefaultVideoPoster 方法，返回一个透明的bitmap.getDefaultVideoPoster不播放时，视频元素由“海报”图像表示。可以通过...

嵌入式实践教程--Android音视频开发(二)-OpenSLES播放PCM数据

一、OpenSL ES开发流程和重要接口通过分析android-ndk中native-audio的代码，发现了用OpenSL ES来开发应用也是有套路(规律)可寻的：1.1、OpenSL ES的开发流程主要有如下6个步骤： 1、创建接口对象 2、设置混音器 3、创建播放器（录...

Android 音乐APP（二）启动白屏优化、定位当前播放歌曲

效果图Android 音乐APP 启动优化前言正文① 新建启动页② 新建样式③ 增加动画④ 定位当前播放歌曲结语前言 Android应用冷启动时，又会短暂的黑屏或者白屏，然后才会进入主页面，黑屏是在Android版本低的时候才会出现，比如Android4.4、5.0。而现在的Android...

Android MediaPlayer 音乐播放器扫描本地音乐、上一曲、下一曲切歌、播放本地音乐（下）

样式文件：rounded_corners.xml 水波纹效果的xml文件<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/androi...

Android MediaPlayer 音乐播放器扫描本地音乐、上一曲、下一曲切歌、播放本地音乐（上）

Android MediaPlayer 本地音乐播放器运行截图项目请在真机(自己的手机)上测试运行，因为我不喜欢用虚拟机。为了不浪费您的时间，先看一下运行的效果图，一进去先进行音乐扫描,然后列表展示出来，点击即可播放。源码地址这个给不想浪费时间往下看的朋友，只因你的时间很宝贵。前言至于为什么写一个这...

一行代码搞定react-native-webview 安卓无法播放h5视频问题

最近在开发APP功能的时候遇到一个问题，之前也没有遇到这样的需求所以也没有研究过。功能是这样的：项目中有个webview 加载h5页面，h5页面中有视频播放，IOS端可以点开直接播放，并且有预览画面，而安卓端却没有这个预览画面，且不能直接播放。一开始怀疑是Android的版本问题，一顿...

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