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prevent NPE

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This commit is contained in:
Anthony Calosa
2024-11-01 06:52:18 +08:00
parent c55c07b8dd
commit 43912cbbb2
2 changed files with 31 additions and 26 deletions
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33
forge-gui-android/src/forge/app/Main.java
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@@ -170,7 +170,7 @@ public class Main extends AndroidApplication {
}
private void crossfade(View contentView, View previousView) {
activeView = contentView;
activeView = contentView;
// Set the content view to 0% opacity but visible, so that it is visible
// (but fully transparent) during the animation.
contentView.setAlpha(0f);
@@ -178,25 +178,18 @@ public class Main extends AndroidApplication {
RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.MATCH_PARENT);
addContentView(contentView, params);
// Animate the content view to 100% opacity, and clear any animation
// listener set on the view.
contentView.animate()
.alpha(1f)
.setDuration(mShortAnimationDuration)
.setListener(null);
// Animate the loading view to 0% opacity. After the animation ends,
// set its visibility to GONE as an optimization step (it won't
// participate in layout passes, etc.)
previousView.animate()
.alpha(0f)
.setDuration(mShortAnimationDuration)
.setListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
previousView.setVisibility(View.GONE);
}
});
Animator ac = ObjectAnimator.ofFloat(contentView, "alpha", 0f, 1f).setDuration(mShortAnimationDuration);
Animator ap = ObjectAnimator.ofFloat(previousView, "alpha", 1f, 0f).setDuration(mShortAnimationDuration);
AnimatorSet animatorSet = new AnimatorSet();
animatorSet.playTogether(ac, ap);
animatorSet.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
previousView.setVisibility(View.GONE);
}
});
animatorSet.start();
}
private static boolean isTabletDevice(Context activityContext) {