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Disable scrolling behavior for collapsing toolbar

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We intended to make subsetting pages disable the scrolling behavior
within the collapsing toolbar area. The collapsing toolbar is still
able to be expanded/collapsed depending on the content of page.

Fix: 191614437
Fix: 189003332
Test: manual test
Cannot scroll/drag with the collapsing toolbar area

Change-Id: Ifa545a1720c64be742f85b34188516eb9c6683df
This commit is contained in:
Mill Chen
2021-06-21 16:47:03 +08:00
parent ffc5989fd3
commit 3a9be3a6c6
1 changed files with 20 additions and 0 deletions
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20
packages/SettingsLib/CollapsingToolbarBaseActivity/src/com/android/settingslib/collapsingtoolbar/CollapsingToolbarBaseActivity.java
View File

@@ -23,8 +23,11 @@ import android.view.View;
import android.view.ViewGroup;
import android.widget.Toolbar;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.coordinatorlayout.widget.CoordinatorLayout;
import com.google.android.material.appbar.AppBarLayout;
import com.google.android.material.appbar.CollapsingToolbarLayout;
import com.google.android.material.resources.TextAppearanceConfig;
@@ -35,6 +38,7 @@ import com.google.android.material.resources.TextAppearanceConfig;
public class CollapsingToolbarBaseActivity extends SettingsTransitionActivity {
private CollapsingToolbarLayout mCollapsingToolbarLayout;
private AppBarLayout mAppBarLayout;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
@@ -43,6 +47,8 @@ public class CollapsingToolbarBaseActivity extends SettingsTransitionActivity {
TextAppearanceConfig.setShouldLoadFontSynchronously(true);
super.setContentView(R.layout.collapsing_toolbar_base_layout);
mCollapsingToolbarLayout = findViewById(R.id.collapsing_toolbar);
mAppBarLayout = findViewById(R.id.app_bar);
disableCollapsingToolbarLayoutScrollingBehavior();
final Toolbar toolbar = findViewById(R.id.action_bar);
setActionBar(toolbar);
@@ -107,4 +113,18 @@ public class CollapsingToolbarBaseActivity extends SettingsTransitionActivity {
public CollapsingToolbarLayout getCollapsingToolbarLayout() {
return mCollapsingToolbarLayout;
}
private void disableCollapsingToolbarLayoutScrollingBehavior() {
final CoordinatorLayout.LayoutParams params =
(CoordinatorLayout.LayoutParams) mAppBarLayout.getLayoutParams();
final AppBarLayout.Behavior behavior = new AppBarLayout.Behavior();
behavior.setDragCallback(
new AppBarLayout.Behavior.DragCallback() {
@Override
public boolean canDrag(@NonNull AppBarLayout appBarLayout) {
return false;
}
});
params.setBehavior(behavior);
}
}