我想在加载android系统后自动启动视频播放。我尝试了很多不同的代码片段,但对我来说并不起作用。我的android os版本是2.3.4。
Receive.java
package com.android.fireup;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
public class Receive extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
context.startActivity(new Intent(context, PlayVideo.class));
}
}
PlayVideo.java
package com.android.fireup;
import android.app.Activity;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.widget.VideoView;
public class PlayVideo extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_play_video);
String path = "android.resource://" + getPackageName() + "/" + R.raw.y;
VideoView videoView = (VideoView) this.findViewById(R.id.myVideo);
videoView.setVideoURI(Uri.parse(path));
//videoView.setVideoPath("/mnt/sdcard/y.mp4");
videoView.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mediaPlayer) {
mediaPlayer.setLooping(true);
}
});
videoView.requestFocus();
videoView.start();
}
}
的AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.android.fireup"
android:installLocation="internalOnly">
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-sdk android:minSdkVersion="10" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<receiver
android:name=".Receive"
android:enabled="true"
android:exported="false">
<intent-filter android:priority="100">
<action android:name="android.intent.action.BOOT_COMPLETED" />
</intent-filter>
</receiver>
<activity
android:name=".PlayVideo"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
现在它在启动时开始播放并正常播放。
我更改了 PlayVideo.java 中的代码,重新定位了原始目录中的媒体文件。
String path = "android.resource://" + getPackageName() + "/" + R.raw.y;
videoView.setVideoURI(Uri.parse(path));
并在 Receive.java 中更改为:
public void onReceive(Context context, Intent intent) {
Intent i = new Intent(context, PlayVideo.class);
i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(i);
}
答案 0 :(得分:1)
android.intent.action.BOOT_COMPLETED
接收器是正确的方法,据我所知,代码中没有大的错误。但有些建议:
com.htc.intent.action.QUICKBOOT_POWERON
而不是android.intent.action.BOOT_COMPLETED
,因此请同时添加(即有两个<action android:name="..."
)android.intent.category.HOME
BOOT_COMPLETED
接收器仅在应用状态处于活动状态时才有效。有关详细信息,请查看此nice SO post。答案 1 :(得分:0)
这可能会有所帮助:
public class Receive extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Intent i = new Intent(context, PlayVideo.class);
i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(i);
}
}
此外:
<receiver
android:name=".Receive"
android:enabled="true"
android:exported="false">
<intent-filter android:priority="100">
<action android:name="android.intent.action.BOOT_COMPLETED" />
<!--QUICKBOOT_POWERON for HTC-->
<action android:name="android.intent.action.QUICKBOOT_POWERON" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</receiver>
取决于您的设备:
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
您可能还需要使用此代替“/ mnt / sdcard”
Environment.getExternalStorageDirectory().getPath()