android 屏幕保持唤醒不锁屏

方法一：

public class UnLockActivity2 extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
}
}

方法二：

public class UnLockActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

PowerManager pm = (PowerManager)getSystemService(POWER_SERVICE);
m_wklk = pm.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK, "cn");

m_wklk.acquire();
}

@Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
m_wklk.release();
}

@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();

m_wklk.release();
}

@Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();

PowerManager pm = (PowerManager)getSystemService(POWER_SERVICE);
m_wklk = pm.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK, "cn");
m_wklk.acquire();
}

WakeLock m_wklk;
}

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

参考：

http://dourok.info/wiki/doku.php/%E7%BC%96%E7%A0%81/android/%E4%BF%9D%E6%8C%81%E5%B1%8F%E5%B9%95%E5%94%A4%E9%86%92

http://www.cnblogs.com/king_dy/archive/2010/11/11/1888134.html

http://carywei.iteye.com/blog/770445

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