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Code Issues Packages Projects Releases Wiki Activity

Version 5.1.9-beta2. Optimize AppBarStateChangeListener.

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Docile-Alligator
2022-03-14 14:15:44 +08:00
parent 3cae2b0dba
commit cfd295aea8
2 changed files with 11 additions and 5 deletions
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12
app/src/main/java/ml/docilealligator/infinityforreddit/AppBarStateChangeListener.java
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@@ -4,15 +4,21 @@ import com.google.android.material.appbar.AppBarLayout;
public abstract class AppBarStateChangeListener implements AppBarLayout.OnOffsetChangedListener {
private AppBarStateChangeListener.State mCurrentState = AppBarStateChangeListener.State.IDLE;
private int lastOffset = -1;
@Override
public final void onOffsetChanged(AppBarLayout appBarLayout, int i) {
if (i == 0) {
public final void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
if (lastOffset == verticalOffset) {
return;
}
lastOffset = verticalOffset;
if (verticalOffset == 0) {
if (mCurrentState != AppBarStateChangeListener.State.EXPANDED) {
onStateChanged(appBarLayout, AppBarStateChangeListener.State.EXPANDED);
}
mCurrentState = AppBarStateChangeListener.State.EXPANDED;
} else if (Math.abs(i) >= appBarLayout.getTotalScrollRange()) {
} else if (Math.abs(verticalOffset) >= appBarLayout.getTotalScrollRange()) {
if (mCurrentState != AppBarStateChangeListener.State.COLLAPSED) {
onStateChanged(appBarLayout, AppBarStateChangeListener.State.COLLAPSED);
}