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am 8db95167: Merge "appcompat: Add samples for options menu usage with fragments." into jb-mr2-dev

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* commit '8db9516710589f3ca1a7c1a35348ad0e6b03ed08':
  appcompat: Add samples for options menu usage with fragments.
This commit is contained in:
Jeff Brown
2013-04-23 16:46:08 -07:00
committed by Android Git Automerger
parent 8d581dbfc5 8db9516710
commit dd22bb2a7d
4 changed files with 336 additions and 0 deletions
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9
samples/Support7Demos/AndroidManifest.xml
View File

@@ -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>

69
samples/Support7Demos/res/layout/action_bar_fragment_menu.xml Normal file
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@@ -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>

9
samples/Support7Demos/res/values/strings.xml
View File

@@ -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>

249
samples/Support7Demos/src/com/example/android/supportv7/app/ActionBarFragmentMenu.java Normal file
View File

@@ -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);
}
}
}