Merge "Keep the intent resolver button bar stuck to the bottom." into rvc-dev

core/java/com/android/internal/app/AbstractMultiProfilePagerAdapter.java

@@ -437,6 +437,9 @@ public abstract class AbstractMultiProfilePagerAdapter extends PagerAdapter {
         resetViewVisibilitiesForWorkProfileEmptyState(emptyStateView);
         emptyStateView.setVisibility(View.VISIBLE);
 
+        View container = emptyStateView.findViewById(R.id.resolver_empty_state_container);
+        setupContainerPadding(container);
+
         TextView title = emptyStateView.findViewById(R.id.resolver_empty_state_title);
         title.setText(titleRes);
 
@@ -463,6 +466,12 @@ public abstract class AbstractMultiProfilePagerAdapter extends PagerAdapter {
         activeListAdapter.markTabLoaded();
     }
 
+    /**
+     * Sets up the padding of the view containing the empty state screens.
+     * <p>This method is meant to be overridden so that subclasses can customize the padding.
+     */
+    protected void setupContainerPadding(View container) {}
+
     private void showConsumerUserNoAppsAvailableEmptyState(ResolverListAdapter activeListAdapter) {
         ProfileDescriptor descriptor = getItem(
                 userHandleToPageIndex(activeListAdapter.getUserHandle()));
@@ -555,12 +564,6 @@ public abstract class AbstractMultiProfilePagerAdapter extends PagerAdapter {
         }
     }
 
-    /**
-     * Callback called when the button layout has been hidden.
-     * <p>This method is meant to be overridden by subclasses.
-     */
-    protected void onButtonLayoutHidden() { }
-
     public interface OnProfileSelectedListener {
         /**
          * Callback for when the user changes the active tab from personal to work or vice versa.

core/java/com/android/internal/app/ResolverActivity.java

@@ -1030,6 +1030,10 @@ public class ResolverActivity extends Activity implements
         if (isAutolaunching()) {
             return;
         }
+        if (isIntentPicker()) {
+            ((ResolverMultiProfilePagerAdapter) mMultiProfilePagerAdapter)
+                    .setUseLayoutWithDefault(useLayoutWithDefault());
+        }
         if (mMultiProfilePagerAdapter.shouldShowEmptyStateScreen(listAdapter)) {
             mMultiProfilePagerAdapter.showEmptyResolverListEmptyState(listAdapter);
         } else {
@@ -1782,13 +1786,14 @@ public class ResolverActivity extends Activity implements
             if (buttonBarDivider != null) {
                 buttonBarDivider.setVisibility(View.INVISIBLE);
             }
-            mMultiProfilePagerAdapter.onButtonLayoutHidden();
+            setButtonBarIgnoreOffset(/* ignoreOffset */ false);
             return;
         }
         if (buttonBarDivider != null) {
             buttonBarDivider.setVisibility(View.VISIBLE);
         }
         buttonLayout.setVisibility(View.VISIBLE);
+        setButtonBarIgnoreOffset(/* ignoreOffset */ true);
 
         if (!useLayoutWithDefault()) {
             int inset = mSystemWindowInsets != null ? mSystemWindowInsets.bottom : 0;
@@ -1802,6 +1807,21 @@ public class ResolverActivity extends Activity implements
         resetAlwaysOrOnceButtonBar();
     }
 
+    /**
+     * Updates the button bar container {@code ignoreOffset} layout param.
+     * <p>Setting this to {@code true} means that the button bar will be glued to the bottom of
+     * the screen.
+     */
+    private void setButtonBarIgnoreOffset(boolean ignoreOffset) {
+        View buttonBarContainer = findViewById(R.id.button_bar_container);
+        if (buttonBarContainer != null) {
+            ResolverDrawerLayout.LayoutParams layoutParams =
+                    (ResolverDrawerLayout.LayoutParams) buttonBarContainer.getLayoutParams();
+            layoutParams.ignoreOffset = ignoreOffset;
+            buttonBarContainer.setLayoutParams(layoutParams);
+        }
+    }
+
     private void resetAlwaysOrOnceButtonBar() {
         // Disable both buttons initially
         setAlwaysButtonEnabled(false, ListView.INVALID_POSITION, false);

core/java/com/android/internal/app/ResolverMultiProfilePagerAdapter.java

@@ -36,6 +36,7 @@ public class ResolverMultiProfilePagerAdapter extends AbstractMultiProfilePagerA
 
     private final ResolverProfileDescriptor[] mItems;
     private final boolean mShouldShowNoCrossProfileIntentsEmptyState;
+    private boolean mUseLayoutWithDefault;
 
     ResolverMultiProfilePagerAdapter(Context context,
             ResolverListAdapter adapter,
@@ -213,13 +214,15 @@ public class ResolverMultiProfilePagerAdapter extends AbstractMultiProfilePagerA
                 /* subtitleRes */ 0);
     }
 
+    void setUseLayoutWithDefault(boolean useLayoutWithDefault) {
+        mUseLayoutWithDefault = useLayoutWithDefault;
+    }
+
     @Override
-    protected void onButtonLayoutHidden() {
-        View emptyStateContainer = getItem(getCurrentPage()).getEmptyStateView()
-                .findViewById(R.id.resolver_empty_state_container);
-        emptyStateContainer.setPadding(emptyStateContainer.getPaddingLeft(),
-                emptyStateContainer.getPaddingTop(), emptyStateContainer.getPaddingRight(),
-                /* bottom */ 0);
+    protected void setupContainerPadding(View container) {
+        int bottom = mUseLayoutWithDefault ? container.getPaddingBottom() : 0;
+        container.setPadding(container.getPaddingLeft(), container.getPaddingTop(),
+                container.getPaddingRight(), bottom);
     }
 
     class ResolverProfileDescriptor extends ProfileDescriptor {

core/res/res/layout/resolver_list.xml

@@ -113,11 +113,13 @@
         </LinearLayout>
     </TabHost>
     <LinearLayout
+        android:id="@+id/button_bar_container"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_alwaysShow="true"
         android:orientation="vertical"
-        android:background="?attr/colorBackgroundFloating">
+        android:background="?attr/colorBackgroundFloating"
+        android:layout_ignoreOffset="true">
         <View
             android:id="@+id/resolver_button_bar_divider"
             android:layout_width="match_parent"

core/res/res/values/symbols.xml

@@ -3940,6 +3940,7 @@
   <java-symbol type="id" name="resolver_tab_divider" />
   <java-symbol type="id" name="resolver_button_bar_divider" />
   <java-symbol type="id" name="resolver_empty_state_container" />
+  <java-symbol type="id" name="button_bar_container" />
   <java-symbol type="string" name="resolver_cant_share_with_work_apps" />
   <java-symbol type="string" name="resolver_cant_share_with_work_apps_explanation" />
   <java-symbol type="string" name="resolver_cant_share_with_personal_apps" />