帮我写一个安卓视频播放器的代码
时间: 2023-08-28 13:09:01 浏览: 37
抱歉,我只是一个语言模型,无法编写完整的安卓应用程序。但是,我可以向您提供一些常见的安卓视频播放器的代码框架,您可以根据自己的需求进行修改。
1. 创建一个新项目并在 XML 布局文件中添加一个 VideoView 元素:
```xml
<VideoView
android:id="@+id/videoView"
android:layout_width="match_parent"
android:layout_height="match_parent" />
```
2. 在活动类中获取 VideoView 对象并设置视频路径:
```java
public class MainActivity extends AppCompatActivity {
private VideoView videoView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
videoView = findViewById(R.id.videoView);
String videoPath = "android.resource://" + getPackageName() + "/" + R.raw.sample_video;
videoView.setVideoPath(videoPath);
}
}
```
3. 添加一个 MediaController 对象以控制播放器:
```java
public class MainActivity extends AppCompatActivity {
private VideoView videoView;
private MediaController mediaController;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
videoView = findViewById(R.id.videoView);
mediaController = new MediaController(this);
String videoPath = "android.resource://" + getPackageName() + "/" + R.raw.sample_video;
videoView.setVideoPath(videoPath);
mediaController.setAnchorView(videoView);
videoView.setMediaController(mediaController);
}
}
```
4. 添加一些回调方法以处理播放器事件,例如播放、暂停、停止等:
```java
public class MainActivity extends AppCompatActivity {
private VideoView videoView;
private MediaController mediaController;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
videoView = findViewById(R.id.videoView);
mediaController = new MediaController(this);
String videoPath = "android.resource://" + getPackageName() + "/" + R.raw.sample_video;
videoView.setVideoPath(videoPath);
mediaController.setAnchorView(videoView);
videoView.setMediaController(mediaController);
videoView.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mp) {
videoView.start();
}
});
videoView.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
// 播放完成后的操作
}
});
videoView.setOnErrorListener(new MediaPlayer.OnErrorListener() {
@Override
public boolean onError(MediaPlayer mp, int what, int extra) {
// 播放出错时的操作
return false;
}
});
}
}
```
这些代码可以帮助您快速实现一个基本的安卓视频播放器。当然,还有很多其他的细节需要处理,例如屏幕旋转、全屏播放等,您可以根据自己的需求进行扩展。