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Code Issues Projects Releases Packages Wiki Activity Actions

feat: hide navigation bar on bottom sheet scroll

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This commit is contained in:
antonio 2023-05-06 19:24:39 +02:00
parent 0101e0685b
commit 43e47080b2
3 changed files with 38 additions and 17 deletions
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31
app/src/main/java/com/cappielloantonio/play/ui/activity/MainActivity.java
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@ -147,6 +147,8 @@ public class MainActivity extends BaseActivity {
private final BottomSheetBehavior.BottomSheetCallback bottomSheetCallback =
new BottomSheetBehavior.BottomSheetCallback() {
int navigationHeight;
@Override
public void onStateChanged(@NonNull View view, int state) {
PlayerBottomSheetFragment playerBottomSheetFragment = (PlayerBottomSheetFragment) getSupportFragmentManager().findFragmentByTag("PlayerBottomSheet");
@ -169,15 +171,32 @@ public class MainActivity extends BaseActivity {
@Override
public void onSlide(@NonNull View view, float slideOffset) {
PlayerBottomSheetFragment playerBottomSheetFragment = (PlayerBottomSheetFragment) getSupportFragmentManager().findFragmentByTag("PlayerBottomSheet");
if (playerBottomSheetFragment != null) {
float condensedSlideOffset = Math.max(0.0f, Math.min(0.2f, slideOffset - 0.2f)) / 0.2f;
playerBottomSheetFragment.getPlayerHeader().setAlpha(1 - condensedSlideOffset);
playerBottomSheetFragment.getPlayerHeader().setVisibility(condensedSlideOffset > 0.99 ? View.GONE : View.VISIBLE);
}
animateBottomSheet(slideOffset);
animateBottomNavigation(slideOffset, navigationHeight);
}
};
private void animateBottomSheet(float slideOffset) {
PlayerBottomSheetFragment playerBottomSheetFragment = (PlayerBottomSheetFragment) getSupportFragmentManager().findFragmentByTag("PlayerBottomSheet");
if (playerBottomSheetFragment != null) {
float condensedSlideOffset = Math.max(0.0f, Math.min(0.2f, slideOffset - 0.2f)) / 0.2f;
playerBottomSheetFragment.getPlayerHeader().setAlpha(1 - condensedSlideOffset);
playerBottomSheetFragment.getPlayerHeader().setVisibility(condensedSlideOffset > 0.99 ? View.GONE : View.VISIBLE);
}
}
private void animateBottomNavigation(float slideOffset, int navigationHeight) {
if (slideOffset < 0) return;
if (navigationHeight == 0) {
navigationHeight = bind.bottomNavigation.getHeight();
}
float slideY = navigationHeight - navigationHeight * (1 - slideOffset);
bind.bottomNavigation.setTranslationY(slideY);
}
private void initNavigation() {
bottomNavigationView = findViewById(R.id.bottom_navigation);
navHostFragment = (NavHostFragment) fragmentManager.findFragmentById(R.id.nav_host_fragment);