SystemUI: Replace CompassTile RotateAnimation with tweening (bdd32421) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/quicksettings/CompassTile.java

+6 −28

Original line number	Diff line number	Diff line
		@@ -25,8 +25,6 @@ import android.os.Handler;
		import android.os.Message;
		import android.view.LayoutInflater;
		import android.view.View;
		import android.view.animation.Animation;
		import android.view.animation.RotateAnimation;
		import android.widget.ImageView;
		import android.widget.TextView;

		@@ -41,11 +39,10 @@ public class CompassTile extends QuickSettingsTile implements
		private boolean mPrepared = false;

		private float mDegree = 0f;
		private float mCurrentAnimationDegree = 0f;

		private final static float ALPHA = 0.97f;
		private final static int MSG_UPDATE_COMPASS = 1;
		private final static int COMPASS_TILE_UPDATE_INTERVAL = 100;
		private final static int COMPASS_TILE_UPDATE_INTERVAL = 16;

		private SensorManager mSensorManager;
		private Sensor mAccelerationSensor;
		@@ -139,8 +136,6 @@ public class CompassTile extends QuickSettingsTile implements
		mLabel = mContext.getString(R.string.quick_settings_compass_off);

		// Reset rotation of the ImageView
		mCurrentAnimationDegree = 0;
		mImage.setAnimation(null);
		mImage.setRotation(0);

		// Remove listeners
		@@ -190,7 +185,7 @@ public class CompassTile extends QuickSettingsTile implements
		// Convert azimuth to degrees
		float newDegree = (float) Math.toDegrees(orientation[0]);
		newDegree = (newDegree + 360) % 360;
		if (mDegree != newDegree && !mHandler.hasMessages(MSG_UPDATE_COMPASS)) {
		if (!mHandler.hasMessages(MSG_UPDATE_COMPASS)) {
		mHandler.sendEmptyMessageDelayed(MSG_UPDATE_COMPASS, COMPASS_TILE_UPDATE_INTERVAL);
		}

		@@ -201,29 +196,12 @@ public class CompassTile extends QuickSettingsTile implements
		// Set rotation in degrees as tile title
		mText.setText(formatValueWithCardinalDirection(mDegree));

		// Make arrow always point to north
		float animationDegrees = 360f - mDegree;
		float target = 360 - mDegree;

		// Use the shortest animation path between last and new angle
		if (animationDegrees - mCurrentAnimationDegree > 180) {
		animationDegrees -= 360f;
		} else if (animationDegrees - mCurrentAnimationDegree < -180) {
		animationDegrees += 360f;
		}

		// Create a rotation animation
		RotateAnimation rotateAnimation = new RotateAnimation(mCurrentAnimationDegree,
		animationDegrees, Animation.RELATIVE_TO_SELF,
		0.5f, Animation.RELATIVE_TO_SELF, 0.5f);

		// Set animation properties
		float duration = (Math.abs(animationDegrees - mCurrentAnimationDegree) % 360) * 2;
		rotateAnimation.setDuration((int) duration);
		rotateAnimation.setFillAfter(true);
		float relative = target - mImage.getRotation();
		if (relative > 180) relative -= 360;

		// Start the animation
		mImage.startAnimation(rotateAnimation);
		mCurrentAnimationDegree = animationDegrees;
		mImage.setRotation(mImage.getRotation() + relative / 2);
		}

		private String formatValueWithCardinalDirection(float degree) {