appcompat: Add samples for options menu usage with fragments.
Bug: 8661191
Change-Id: I3664f00c09d81c01b904f8c5203a69a12180c565
diff --git a/samples/Support7Demos/AndroidManifest.xml b/samples/Support7Demos/AndroidManifest.xml
index 4112bce..1a8bf80 100644
--- a/samples/Support7Demos/AndroidManifest.xml
+++ b/samples/Support7Demos/AndroidManifest.xml
@@ -134,5 +134,14 @@
</intent-filter>
</activity>
+ <activity android:name=".app.ActionBarFragmentMenu"
+ android:label="@string/action_bar_fragment_menu"
+ android:theme="@style/Theme.AppCompat">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+ <category android:name="com.example.android.supportv7.SAMPLE_CODE" />
+ </intent-filter>
+ </activity>
+
</application>
</manifest>
diff --git a/samples/Support7Demos/res/layout/action_bar_fragment_menu.xml b/samples/Support7Demos/res/layout/action_bar_fragment_menu.xml
new file mode 100644
index 0000000..1438724
--- /dev/null
+++ b/samples/Support7Demos/res/layout/action_bar_fragment_menu.xml
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2013 The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ android:orientation="vertical"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:padding="8dp">
+
+ <TextView
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_gravity="center"
+ android:textAppearance="?android:attr/textAppearanceMedium"
+ android:text="@string/action_bar_fragment_menu_msg" />
+
+ <CheckBox android:id="@+id/menu1"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_gravity="center"
+ android:checked="true"
+ android:text="@string/action_bar_fragment_menu1">
+ </CheckBox>
+
+ <CheckBox android:id="@+id/menu2"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_gravity="center"
+ android:checked="true"
+ android:text="@string/action_bar_fragment_menu2">
+ </CheckBox>
+
+ <CheckBox android:id="@+id/menu3"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_gravity="center"
+ android:checked="true"
+ android:text="@string/action_bar_fragment_menu3">
+ </CheckBox>
+
+ <CheckBox android:id="@+id/has_options_menu"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_gravity="center"
+ android:checked="true"
+ android:text="@string/action_bar_fragment_has_options_menu">
+ </CheckBox>
+
+ <CheckBox android:id="@+id/menu_visibility"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_gravity="center"
+ android:checked="true"
+ android:text="@string/action_bar_fragment_menu_visibility">
+ </CheckBox>
+</LinearLayout>
diff --git a/samples/Support7Demos/res/values/strings.xml b/samples/Support7Demos/res/values/strings.xml
index 51a261a..4dd65b0 100644
--- a/samples/Support7Demos/res/values/strings.xml
+++ b/samples/Support7Demos/res/values/strings.xml
@@ -77,4 +77,13 @@
<string name="btn_toggle_tabs">Toggle tab mode</string>
<string name="btn_remove_all_tabs">Remove all tabs</string>
+ <string name="action_bar_fragment_menu">AppCompat/Action Bar/Fragment Menu</string>
+ <string name="action_bar_fragment_menu_msg">Build menus from three fragments, the last one
+ nested, allowing you to hide them to remove them...</string>
+ <string name="action_bar_fragment_menu1">Show fragment 1</string>
+ <string name="action_bar_fragment_menu2">Show fragment 2</string>
+ <string name="action_bar_fragment_menu3">Show nested fragment (within fragment 2)</string>
+ <string name="action_bar_fragment_has_options_menu">Set has options menu to true</string>
+ <string name="action_bar_fragment_menu_visibility">Set menu visibility to true</string>
+
</resources>
diff --git a/samples/Support7Demos/src/com/example/android/supportv7/app/ActionBarFragmentMenu.java b/samples/Support7Demos/src/com/example/android/supportv7/app/ActionBarFragmentMenu.java
new file mode 100644
index 0000000..388a0e2
--- /dev/null
+++ b/samples/Support7Demos/src/com/example/android/supportv7/app/ActionBarFragmentMenu.java
@@ -0,0 +1,249 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.android.supportv7.app;
+
+import com.example.android.supportv7.R;
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentTransaction;
+import android.support.v7.app.ActionBarActivity;
+import android.support.v7.app.ActionBarFragment;
+import android.support.v7.app.ActionBarFragmentCallbacks;
+import android.support.v7.view.Menu;
+import android.support.v7.view.MenuInflater;
+import android.support.v7.view.MenuItem;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.CheckBox;
+import android.widget.Toast;
+
+/**
+ * Demonstrates how fragments can participate in the options menu.
+ */
+public class ActionBarFragmentMenu extends ActionBarActivity {
+ MenuFragment mFragment1;
+ Menu2Fragment mFragment2;
+ CheckBox mCheckBox1;
+ CheckBox mCheckBox2;
+ CheckBox mCheckBox3;
+ CheckBox mHasOptionsMenu;
+ CheckBox mMenuVisibility;
+
+ // Update fragment visibility when check boxes are changed.
+ final OnClickListener mClickListener = new OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ updateFragmentVisibility();
+ }
+ };
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.action_bar_fragment_menu);
+
+ // Make sure the two menu fragments are created.
+ FragmentManager fm = getSupportFragmentManager();
+ FragmentTransaction ft = fm.beginTransaction();
+ mFragment1 = (MenuFragment)fm.findFragmentByTag("f1");
+ if (mFragment1 == null) {
+ mFragment1 = new MenuFragment();
+ ft.add(mFragment1, "f1");
+ }
+ mFragment2 = (Menu2Fragment)fm.findFragmentByTag("f2");
+ if (mFragment2 == null) {
+ mFragment2 = new Menu2Fragment();
+ ft.add(mFragment2, "f2");
+ }
+ ft.commit();
+
+ // Watch check box clicks.
+ mCheckBox1 = (CheckBox)findViewById(R.id.menu1);
+ mCheckBox1.setOnClickListener(mClickListener);
+ mCheckBox2 = (CheckBox)findViewById(R.id.menu2);
+ mCheckBox2.setOnClickListener(mClickListener);
+ mCheckBox3 = (CheckBox)findViewById(R.id.menu3);
+ mCheckBox3.setOnClickListener(mClickListener);
+ mHasOptionsMenu = (CheckBox)findViewById(R.id.has_options_menu);
+ mHasOptionsMenu.setOnClickListener(mClickListener);
+ mMenuVisibility = (CheckBox)findViewById(R.id.menu_visibility);
+ mMenuVisibility.setOnClickListener(mClickListener);
+
+ // Make sure fragments start out with correct visibility.
+ updateFragmentVisibility();
+ }
+
+ @Override
+ protected void onRestoreInstanceState(Bundle savedInstanceState) {
+ super.onRestoreInstanceState(savedInstanceState);
+ // Make sure fragments are updated after check box view state is restored.
+ updateFragmentVisibility();
+ }
+
+ // Update fragment visibility based on current check box state.
+ void updateFragmentVisibility() {
+ // Update top level fragments.
+ FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
+ if (mCheckBox1.isChecked()) ft.show(mFragment1);
+ else ft.hide(mFragment1);
+ if (mCheckBox2.isChecked()) ft.show(mFragment2);
+ else ft.hide(mFragment2);
+ ft.commit();
+
+ mFragment1.setHasOptionsMenu(mHasOptionsMenu.isChecked());
+ mFragment1.setMenuVisibility(mMenuVisibility.isChecked());
+ mFragment2.setHasOptionsMenu(mHasOptionsMenu.isChecked());
+ mFragment2.setMenuVisibility(mMenuVisibility.isChecked());
+
+ // Update the nested fragment.
+ if (mFragment2.mFragment3 != null) {
+ ft = mFragment2.getFragmentManager().beginTransaction();
+ if (mCheckBox3.isChecked()) ft.show(mFragment2.mFragment3);
+ else ft.hide(mFragment2.mFragment3);
+ ft.commit();
+
+ mFragment2.mFragment3.setHasOptionsMenu(mHasOptionsMenu.isChecked());
+ mFragment2.mFragment3.setMenuVisibility(mMenuVisibility.isChecked());
+ }
+ }
+
+ /**
+ * A fragment that displays a menu. This fragment happens to not
+ * have a UI (it does not implement onCreateView), but it could also
+ * have one if it wanted.
+ */
+ public static class MenuFragment extends ActionBarFragment {
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setHasOptionsMenu(true);
+ }
+
+ @Override
+ public void onCreateSupportOptionsMenu(Menu menu, MenuInflater inflater) {
+ menu.add("Menu 1a").setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
+ menu.add("Menu 1b").setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
+ super.onCreateSupportOptionsMenu(menu, inflater);
+ }
+
+ @Override
+ public boolean onSupportOptionsItemSelected(MenuItem item) {
+ if (item.getTitle().equals("Menu 1a")) {
+ Toast.makeText(getActivity(), "Selected Menu 1a.", Toast.LENGTH_SHORT).show();
+ return true;
+ }
+ if (item.getTitle().equals("Menu 1b")) {
+ Toast.makeText(getActivity(), "Selected Menu 1b.", Toast.LENGTH_SHORT).show();
+ return true;
+ }
+ return super.onSupportOptionsItemSelected(item);
+ }
+ }
+
+ /**
+ * Second fragment with a menu.
+ * This one demonstrates that you can extend any other fragment as long
+ * as you implement the callback interface.
+ */
+ public static class Menu2Fragment extends Fragment
+ implements ActionBarFragmentCallbacks {
+ Menu3Fragment mFragment3;
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setHasOptionsMenu(true);
+
+ FragmentManager fm = getChildFragmentManager();
+ FragmentTransaction ft = fm.beginTransaction();
+ mFragment3 = (Menu3Fragment)fm.findFragmentByTag("f3");
+ if (mFragment3 == null) {
+ mFragment3 = new Menu3Fragment();
+ ft.add(mFragment3, "f3");
+ }
+ ft.commit();
+ }
+
+ @Override
+ public void onCreateSupportOptionsMenu(Menu menu, MenuInflater inflater) {
+ menu.add("Menu 2").setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
+ }
+
+ @Override
+ public void onDestroySupportOptionsMenu() {
+ }
+
+ @Override
+ public void onPrepareSupportOptionsMenu(Menu menu) {
+ }
+
+ @Override
+ public boolean onSupportOptionsItemSelected(MenuItem item) {
+ if (item.getTitle().equals("Menu 2")) {
+ Toast.makeText(getActivity(), "Selected Menu 2.", Toast.LENGTH_SHORT).show();
+ return true;
+ }
+ return false;
+ }
+ }
+
+ /**
+ * Third fragment with a menu.
+ * This one is nested within the second.
+ */
+ public static class Menu3Fragment extends ActionBarFragment {
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setHasOptionsMenu(true);
+ }
+
+ @Override
+ public void onCreateSupportOptionsMenu(Menu menu, MenuInflater inflater) {
+ Toast.makeText(getActivity(), "Created nested fragment's menu.",
+ Toast.LENGTH_SHORT).show();
+ inflater.inflate(R.menu.display_options_actions, menu);
+ super.onCreateSupportOptionsMenu(menu, inflater);
+ }
+
+ @Override
+ public void onDestroySupportOptionsMenu() {
+ Toast.makeText(getActivity(), "Destroyed nested fragment's menu.",
+ Toast.LENGTH_SHORT).show();
+ super.onDestroySupportOptionsMenu();
+ }
+
+ @Override
+ public void onPrepareSupportOptionsMenu(Menu menu) {
+ Toast.makeText(getActivity(), "Prepared nested fragment's menu.",
+ Toast.LENGTH_SHORT).show();
+ super.onPrepareSupportOptionsMenu(menu);
+ }
+
+ @Override
+ public boolean onSupportOptionsItemSelected(MenuItem item) {
+ if (item.getItemId() == R.id.simple_item) {
+ Toast.makeText(getActivity(), "Selected nested fragment's menu item.",
+ Toast.LENGTH_SHORT).show();
+ return true;
+ }
+ return super.onSupportOptionsItemSelected(item);
+ }
+ }
+}
