Merge "Fix crashing of font size settings screen due to the timing of... (ca1abaa9) · Commits · e / os / android_packages_apps_Settings

src/com/android/settings/widget/LabeledSeekBar.java

+24 −2

Original line number	Diff line number	Diff line
		@@ -139,6 +139,9 @@ public class LabeledSeekBar extends SeekBar {

		private ExploreByTouchHelper mAccessHelper;

		private boolean mOnMeasureCalled;
		private boolean mOnAttachedWindowCalled;

		public LabeledSeekBar(Context context, AttributeSet attrs) {
		this(context, attrs, com.android.internal.R.attr.seekBarStyle);
		}
		@@ -204,11 +207,18 @@ public class LabeledSeekBar extends SeekBar {
		super.setOnSeekBarChangeListener(l2);
		}

		@Override
		protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
		super.onMeasure(widthMeasureSpec, heightMeasureSpec);
		mOnMeasureCalled = true;
		tryInitAccessHelper();
		}

		@Override
		protected void onAttachedToWindow() {
		super.onAttachedToWindow();
		mAccessHelper = new LabeledSeekBarExploreByTouchHelper(this);
		ViewCompat.setAccessibilityDelegate(this, mAccessHelper);
		mOnAttachedWindowCalled = true;
		tryInitAccessHelper();
		}

		@Override
		@@ -227,6 +237,18 @@ public class LabeledSeekBar extends SeekBar {
		return super.dispatchHoverEvent(event);
		}

		/**
		* Initialize accessibility delegation only when both onAttachedWindow and onMeasure
		* has been called.
		*/
		private void tryInitAccessHelper() {
		if (mOnAttachedWindowCalled && mOnMeasureCalled) {
		mAccessHelper = new LabeledSeekBarExploreByTouchHelper(this);
		ViewCompat.setAccessibilityDelegate(this, mAccessHelper);
		mOnAttachedWindowCalled = mOnMeasureCalled = false;
		}
		}

		private void sendClickEventForAccessibility(int progress) {
		if (mAccessHelper != null) {
		mAccessHelper.invalidateRoot();