This allows the ability to control brightness by sliding (4b55c80e) · Commits · e / os / android_frameworks_base

core/java/android/provider/Settings.java

+7 −0

Original line number	Diff line number	Diff line
		@@ -2311,6 +2311,13 @@ public final class Settings {
		*/
		public static final String STATUS_BAR_COMPACT_CARRIER = "status_bar_compact_carrier";

		/**
		* Whether to control brightness from status bar
		*
		* @hide
		*/
		public static final String STATUS_BAR_BRIGHTNESS_TOGGLE = "status_bar_brightness_toggle";

		/**
		* Whether to wake the screen with the trackball. The value is boolean (1 or 0).
		* @hide

packages/SystemUI/src/com/android/systemui/statusbar/StatusBarService.java

+62 −3

Original line number	Diff line number	Diff line
		@@ -24,7 +24,8 @@ import com.android.internal.statusbar.StatusBarNotification;
		import com.android.systemui.statusbar.CmBatteryMiniIcon.SettingsObserver;
		import com.android.systemui.statusbar.powerwidget.PowerWidget;
		import com.android.systemui.R;

		import android.os.IPowerManager;
		import android.provider.Settings.SettingNotFoundException;
		import android.app.ActivityManagerNative;
		import android.app.Dialog;
		import android.app.Notification;
		@@ -247,6 +248,9 @@ public class StatusBarService extends Service implements CommandQueue.Callbacks
		}
		}

		// for brightness control on status bar
		int mLinger = 0;

		private class ExpandedDialog extends Dialog {
		ExpandedDialog(Context context) {
		super(context, com.android.internal.R.style.Theme_Light_NoTitleBar);
		@@ -1154,7 +1158,7 @@ public class StatusBarService extends Service implements CommandQueue.Callbacks
		final int hitSize = statusBarSize*2;
		if (event.getAction() == MotionEvent.ACTION_DOWN) {
		final int y = (int)event.getRawY();

		mLinger = 0;
		if (!mExpanded) {
		mViewDelta = mBottomBar ? mDisplay.getHeight() - y : statusBarSize - y;
		} else {
		@@ -1195,7 +1199,62 @@ public class StatusBarService extends Service implements CommandQueue.Callbacks
		int y = (int)event.getRawY();
		if ((!mBottomBar && mAnimatingReveal && y < minY) \|\|
		(mBottomBar && mAnimatingReveal && y > minY)) {
		// nothing
		try {
		if (Settings.System.getInt(mStatusBarView.getContext().getContentResolver(),Settings.System.STATUS_BAR_BRIGHTNESS_TOGGLE) == 1){
		//Credit for code goes to daryelv github : https://github.com/daryelv/android_frameworks_base
		// See if finger is moving left/right an adequate amount
		mVelocityTracker.computeCurrentVelocity(1000);
		float yVel = mVelocityTracker.getYVelocity();
		if (yVel < 0) {
		yVel = -yVel;
		}
		if (yVel < 50.0f) {
		if (mLinger > 50) {
		// Check that Auto-Brightness not enabled
		Context context = mStatusBarView.getContext();
		boolean auto_brightness = false;
		int brightness_mode = 0;
		try {
		brightness_mode = Settings.System.getInt(context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE);
		}catch (SettingNotFoundException e){
		auto_brightness = false;
		}
		auto_brightness = (brightness_mode == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
		if (auto_brightness)
		{
		// do nothing - Don't manually set brightness from statusbar
		}
		else
		{
		// set brightness according to x position on statusbar
		float x = (float)event.getRawX();
		float screen_width = (float)(context.getResources().getDisplayMetrics().widthPixels);
		// Brightness set from the 90% of pixels in the middle of screen, can't always get to the edges
		int new_brightness = (int)(((x - (screen_width * 0.05f))/(screen_width * 0.9f)) * (float)android.os.Power.BRIGHTNESS_ON );
		// don't let screen go completely dim or past 100% bright
		if (new_brightness < 10) new_brightness = 10;
		if (new_brightness > android.os.Power.BRIGHTNESS_ON ) new_brightness = android.os.Power.BRIGHTNESS_ON;
		// Set the brightness
		try {
		IPowerManager.Stub.asInterface(ServiceManager.getService("power")).setBacklightBrightness(new_brightness);
		Settings.System.putInt(context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, new_brightness);
		}catch (Exception e){
		Slog.w(TAG, "Setting Brightness failed: " + e);
		}
		}
		}
		else
		{
		mLinger++;
		}
		}
		else
		{
		mLinger = 0;
		}
		}
		}catch (SettingNotFoundException e){
		}
		} else {
		mAnimatingReveal = false;
		updateExpandedViewPos(y + (mBottomBar ? -mViewDelta : mViewDelta));