I am wondering to know how to detect screen dim or brightness on Android 1.6.
I've found a solution on API Level 7. It is easy to develop :
PowerManager pm = (PowerManager)
getSystemService(Context.POWER_SERVICE);
boolean isScreenOn = pm.isScreenOn();
But I need a solution for Android 1.x.
Can you suggest me ?
Thanks.
对于屏幕开关状态,您可以尝试使用ACTION_SCREEN_ON
和ACTION_SCREEN_OFF
Intent
,如本博客文章所示: http : //thinkandroid.wordpress.com/2010/01/24/handling-screen-off-and-screen-上意图/
The approach with the ACTION_SCREEN_ON
did not work for me. After some different solutions this code finally solved the problem for me:
/**
* Is the screen of the device on.
* @param context the context
* @return true when (at least one) screen is on
*/
public boolean isScreenOn(Context context) {
if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
DisplayManager dm = (DisplayManager) context.getSystemService(Context.DISPLAY_SERVICE);
boolean screenOn = false;
for (Display display : dm.getDisplays()) {
if (display.getState() != Display.STATE_OFF) {
screenOn = true;
}
}
return screenOn;
} else {
PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
//noinspection deprecation
return pm.isScreenOn();
}
}
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