Infer value type for keyframes when it is undefined (a01fbf35) · Commits · e / os / android_frameworks_base

core/java/android/animation/AnimatorInflater.java

+28 −0

Original line number	Diff line number	Diff line
		@@ -790,6 +790,31 @@ public class AnimatorInflater {
		return valuesArray;
		}

		// When no value type is provided in keyframe, we need to infer the type from the value. i.e.
		// if value is defined in the style of a color value, then the color type is returned.
		// Otherwise, default float type is returned.
		private static int inferValueTypeOfKeyframe(Resources res, Theme theme, AttributeSet attrs) {
		int valueType;
		TypedArray a;
		if (theme != null) {
		a = theme.obtainStyledAttributes(attrs, R.styleable.Keyframe, 0, 0);
		} else {
		a = res.obtainAttributes(attrs, R.styleable.Keyframe);
		}

		TypedValue keyframeValue = a.peekValue(R.styleable.Keyframe_value);
		boolean hasValue = (keyframeValue != null);
		// When no value type is provided, check whether it's a color type first.
		// If not, fall back to default value type (i.e. float type).
		if (hasValue && isColorType(keyframeValue.type)) {
		valueType = VALUE_TYPE_COLOR;
		} else {
		valueType = VALUE_TYPE_FLOAT;
		}
		a.recycle();
		return valueType;
		}

		private static void dumpKeyframes(Object[] keyframes, String header) {
		if (keyframes == null \|\| keyframes.length == 0) {
		return;
		@@ -817,6 +842,9 @@ public class AnimatorInflater {
		type != XmlPullParser.END_DOCUMENT) {
		String name = parser.getName();
		if (name.equals("keyframe")) {
		if (valueType == VALUE_TYPE_UNDEFINED) {
		valueType = inferValueTypeOfKeyframe(res, theme, Xml.asAttributeSet(parser));
		}
		Keyframe keyframe = loadKeyframe(res, theme, Xml.asAttributeSet(parser), valueType);
		if (keyframe != null) {
		if (keyframes == null) {