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Merge "Stable seek bar positioning"

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Treehugger Robot
2019-06-27 22:02:06 +00:00
committed by Gerrit Code Review
parent 9db70d29a1 24a89b4816
commit 874b481cdf
1 changed files with 12 additions and 2 deletions
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14
core/java/android/widget/AbsSeekBar.java
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@@ -88,6 +88,7 @@ public abstract class AbsSeekBar extends ProgressBar {
private float mTouchDownX;
@UnsupportedAppUsage
private boolean mIsDragging;
private float mTouchThumbOffset = 0.0f;
public AbsSeekBar(Context context) {
super(context);
@@ -775,6 +776,14 @@ public abstract class AbsSeekBar extends ProgressBar {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
if (mThumb != null) {
final int availableWidth = getWidth() - mPaddingLeft - mPaddingRight;
mTouchThumbOffset = (getProgress() - getMin()) / (float) (getMax()
- getMin()) - (event.getX() - mPaddingLeft) / availableWidth;
if (Math.abs(mTouchThumbOffset * availableWidth) > getThumbOffset()) {
mTouchThumbOffset = 0;
}
}
if (isInScrollingContainer()) {
mTouchDownX = event.getX();
} else {
@@ -857,7 +866,8 @@ public abstract class AbsSeekBar extends ProgressBar {
} else if (x < mPaddingLeft) {
scale = 1.0f;
} else {
scale = (availableWidth - x + mPaddingLeft) / (float) availableWidth;
scale = (availableWidth - x + mPaddingLeft) / (float) availableWidth
+ mTouchThumbOffset;
progress = mTouchProgressOffset;
}
} else {
@@ -866,7 +876,7 @@ public abstract class AbsSeekBar extends ProgressBar {
} else if (x > width - mPaddingRight) {
scale = 1.0f;
} else {
scale = (x - mPaddingLeft) / (float) availableWidth;
scale = (x - mPaddingLeft) / (float) availableWidth + mTouchThumbOffset;
progress = mTouchProgressOffset;
}
}