我有一个空白的 HelloWorld 应用程序:
package tutorials.TestReceivers;
import android.app.Activity;
import android.os.Bundle;
public class TestReceiversActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
}
使用这个BootReceiver.Java:
package tutorials.TestReceivers;
import android.content.BroadcastReceiver;
public class BootReceiver extends BroadcastReceiver {
public void onReceive(Context context, Intent arg1) {
Intent intent = new Intent(context, TestReceiversActivity.class);
context.startActivity(intent);
}
}
并且这个清单:
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".TestReceiversActivity"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<receiver
android-permission="android.permission.RECEIVE_BOOT_COMPLETED"
android:name="development.TestReceiversActivity.BootReceiver" >
<intent-filter >
<action android:name="android.intent.action.BOOT_COMPLETED" />
<action android:name="android.intent.action.SCREEN_ON" />
</intent-filter>
</receiver>
</application>
</manifest>
在运行应用程序并关闭它之后,当我解锁屏幕(SCREEN_ON)时,什么都没有发生。而且当我启动设备时,会出现以下信息:“应用程序TestReceiversActivity(教程.TestReceivers进程)意外停止。请重试。”