gap: "Turning screen off, haven't tried in mono for android, but in java this works"
powerService.goToSleep( SystemClock.uptimeMillis() + 1 ); On 13 December 2012 10:33, Goncalo Oliveira <gonc...@minkan.net> wrote: > Turning screen on you can use a wake lock > > wl = pm.NewWakeLock( WakeLockFlags.ScreenBright | > WakeLockFlags.AcquireCausesWakeup, "your_tag_here" ); > wl.Acquire( 5000 ); // I used the timeout version here, but the other also > works > > Just make sure you have the required permissions > > <uses-permission android:name="android.permission.WAKE_LOCK" /> > <uses-permission android:name="android.permission.DEVICE_POWER" /> > > Turning screen off, haven't tried in mono for > > powerService.goToSleep( SystemClock.uptimeMillis() + 1 ); > > > > On 13 December 2012 09:01, Stephan Steiner <stephan.stei...@gmail.com>wrote: > >> Hi >> >> My app does telephony - so I need to turn on and off the display when the >> proximity sensor detects that the phone is close to the user's face (and >> with the screen off the device shouldn't react to the ear touching the >> display). I got the proximity sensor bit down but having major issues >> getting anything to work with regards to turning the screen on/off. >> >> First off, PowerManager.GoToSleep won't work due to security issues (even >> though I gave my app the DEVICE_POWER permission) >> >> Using >> >> PowerManager manager = >> (PowerManager)GetSystemService(Context.PowerService); >> myWakeLock = manager.NewWakeLock(WakeLockFlags.Partial, tag); >> myWakeLock.Acquire() >> >> does nothing. >> >> WindowManagerLayoutParams layoutParams = Window.Attributes; >> oldBrightness = layoutParams.ScreenBrightness; >> layoutParams.ScreenBrightness = 0f; >> layoutParams.Flags |= WindowManagerFlags.KeepScreenOn; >> Window.Attributes = layoutParams; >> >> doesn't work either - 0 seems to be dimmed, but I need off (and disable >> all >> touch input) if I set I suppose because ScreenBrightNess doesn't appear >> to >> be working (when the screen is on, brightness is still 0, even though if I >> get the brightness from the system settings, it's 102 (I realize I need to >> divide by 255 since for layout parameters the value is between 0 and 1). >> >> int oldBrightNess = >> Android.Provider.Settings.System.GetInt(ContentResolver, >> Android.Provider.Settings.System.ScreenBrightness); >> >> Does anybody have any bright (well... I need blacked out and bright) ideas >> on how to solve this one? >> >> Regards >> Stephan >> >> >> >> -- >> View this message in context: >> http://mono-for-android.1047100.n5.nabble.com/Turning-display-on-and-off-tp5712611.html >> Sent from the Mono for Android mailing list archive at Nabble.com. >> _______________________________________________ >> Monodroid mailing list >> Monodroid@lists.ximian.com >> >> UNSUBSCRIBE INFORMATION: >> http://lists.ximian.com/mailman/listinfo/monodroid >> > > > > -- > Gonçalo Oliveira > -- Gonçalo Oliveira
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