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Code Issues Projects Releases Wiki Activity

Restore custom layout behaviour for handling snackbar.

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This commit is contained in:
akwizgran
2019-10-14 14:28:52 +01:00
parent ca4fc2dc26
commit f4febe90c9
3 changed files with 52 additions and 19 deletions
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16
briar-android/src/main/java/org/briarproject/briar/android/view/DefaultBehavior.java
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@@ -1,16 +0,0 @@
package org.briarproject.briar.android.view;
import android.content.Context;
import android.support.design.widget.CoordinatorLayout.Behavior;
import android.util.AttributeSet;
import android.view.View;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
@NotNullByDefault
public class DefaultBehavior<V extends View> extends Behavior<V> {
public DefaultBehavior(Context context, AttributeSet attrs) {
super(context, attrs);
}
}

50
briar-android/src/main/java/org/briarproject/briar/android/view/SnackbarAwareBehavior.java Normal file
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@@ -0,0 +1,50 @@
package org.briarproject.briar.android.view;
import android.content.Context;
import android.support.design.widget.CoordinatorLayout;
import android.support.design.widget.CoordinatorLayout.Behavior;
import android.support.design.widget.CoordinatorLayout.LayoutParams;
import android.support.design.widget.Snackbar.SnackbarLayout;
import android.util.AttributeSet;
import android.view.View;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
/**
* This behavior makes room for a snackbar at the bottom of the screen. The
* proper solution is to use layout_dodgeInsetEdges="bottom", but when used on
* a scrollable view that results in the view being pushed under the app bar
* (see https://issuetracker.google.com/issues/116541304).
*/
@NotNullByDefault
public class SnackbarAwareBehavior<V extends View> extends Behavior<V> {
public SnackbarAwareBehavior(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
public boolean onDependentViewChanged(CoordinatorLayout parent,
V child, View snackbar) {
setMargin(child, snackbar.getHeight());
return true;
}
@Override
public void onDependentViewRemoved(CoordinatorLayout parent,
V child, View snackbar) {
setMargin(child, 0);
}
@Override
public boolean layoutDependsOn(CoordinatorLayout parent,
V child, View dependency) {
return dependency instanceof SnackbarLayout;
}
private void setMargin(V child, int margin) {
LayoutParams params = (LayoutParams) child.getLayoutParams();
params.setMargins(0, 0, 0, margin);
child.setLayoutParams(params);
}
}