Android 保持屏幕常亮

public class WakeLockActivity extends Activity { PowerManager powerManager = null; WakeLock wakeLock = null; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.setContentView(R.layout.main); this.powerManager = (PowerManager) this .getSystemService(Context.POWER_SERVICE); this.wakeLock = this.powerManager.newWakeLock( PowerManager.FULL_WAKE_LOCK, "My Lock"); } @Override protected void onResume() { super.onResume(); this.wakeLock.acquire(); } @Override protected void onPause() { super.onPause(); this.wakeLock.release(); } }

添加权限：

“<uses-permission android:name="android.permission.WAKE_LOCK" />”