commit 9372e14278feeb1bdf9d25e6d8879b287b08f9db
author Santiago Etchebehere <santie@google.com> Mon Mar 18 10:46:32 2019 -0700
committer Santiago Etchebehere <santie@google.com> Mon Mar 18 11:22:58 2019 -0700
tree 81de7d2699e8315de8f7c3780dc5991e5a8dd125
parent 5ef2a14d16cd861c167d3f7f03332e59030de96d

Allow custom toolbar menu on ToolbarFragment

This lets extending Fragment's set up a custom menu for
toolbar icons, and override omMenuItemClick to act on them.

Bug: 124796742
Change-Id: I8068a6ab7da58e477e44b69cb22ac4d57da68c1c

src/com/android/wallpaper/picker/ToolbarFragment.java

diff --git a/src/com/android/wallpaper/picker/ToolbarFragment.java b/src/com/android/wallpaper/picker/ToolbarFragment.java
index 3c3ff5f..aa326a6 100644
--- a/src/com/android/wallpaper/picker/ToolbarFragment.java
+++ b/src/com/android/wallpaper/picker/ToolbarFragment.java
@@ -17,10 +17,13 @@
 
 import android.os.Bundle;
 import android.text.TextUtils;
+import android.view.MenuItem;
 import android.view.View;
 import android.widget.TextView;
 
+import androidx.annotation.MenuRes;
 import androidx.appcompat.widget.Toolbar;
+import androidx.appcompat.widget.Toolbar.OnMenuItemClickListener;
 import androidx.fragment.app.Fragment;
 
 import com.android.wallpaper.R;
@@ -37,7 +40,7 @@
  *
  * @see #setArguments(Bundle)
  */
-public abstract class ToolbarFragment extends Fragment {
+public abstract class ToolbarFragment extends Fragment implements OnMenuItemClickListener {
 
     private static final String ARG_TITLE = "ToolbarFragment.title";
 
@@ -52,7 +55,7 @@
         return args;
     }
 
-    private Toolbar mToolbar;
+    protected Toolbar mToolbar;
     private TextView mTitleView;
 
     /**
@@ -75,6 +78,18 @@
     }
 
     /**
+     * Configures a toolbar in the given rootView, inflating the menu corresponding to the given id
+     * for the toolbar menu.
+     * Override {@link #onMenuItemClick(MenuItem)} to listen to item click events.
+     * @see #setUpToolbar(View)
+     */
+    public void setUpToolbar(View rootView, @MenuRes int menuResId) {
+        setUpToolbar(rootView);
+        mToolbar.inflateMenu(menuResId);
+        mToolbar.setOnMenuItemClickListener(this);
+    }
+
+    /**
      * Provides a title for this Fragment's toolbar to be used if none is found in
      * {@link #getArguments()}.
      * Default implementation returns {@code null}.
@@ -94,4 +109,9 @@
             mToolbar.setTitle(title);
         }
     }
+
+    @Override
+    public boolean onMenuItemClick(MenuItem item) {
+        return false;
+    }
 }