PopupMenuActivity.java revision 7ed1d9e48e54df2c98b6405e0996a3e97490b2bd 
1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.example.android.supportv7.widget;
18
19import android.os.Bundle;
20import android.support.v4.view.MenuItemCompat;
21import android.support.v7.app.AppCompatActivity;
22import android.support.v7.widget.PopupMenu;
23import android.view.MenuInflater;
24import android.view.MenuItem;
25import android.view.View;
26import android.view.ViewGroup;
27import android.widget.Button;
28import android.widget.TextView;
29import com.example.android.supportv7.R;
30
31import java.text.SimpleDateFormat;
32import java.util.Date;
33
34public class PopupMenuActivity extends AppCompatActivity {
35    private ViewGroup mContainer;
36
37    private TextView mLog;
38
39    private Button mButton;
40
41    private PopupMenu mPopupMenu;
42
43    private SimpleDateFormat mDateFormat;
44
45    @Override
46    protected void onCreate(Bundle savedInstanceState) {
47        super.onCreate(savedInstanceState);
48
49        setContentView(R.layout.popup_menu_activity);
50
51        mDateFormat = new SimpleDateFormat("HH:mm:ss.SSS");
52
53        mContainer = (ViewGroup) findViewById(R.id.container);
54        mLog = (TextView) mContainer.findViewById(R.id.log);
55        mButton = (Button) mContainer.findViewById(R.id.test_button);
56
57        mButton.setOnClickListener(new View.OnClickListener() {
58            @Override
59            public void onClick(View v) {
60                mPopupMenu = new PopupMenu(mContainer.getContext(), mButton);
61                final MenuInflater menuInflater = mPopupMenu.getMenuInflater();
62                menuInflater.inflate(R.menu.popup_menu, mPopupMenu.getMenu());
63                final MenuItem editItem = mPopupMenu.getMenu().findItem(R.id.action_edit);
64                MenuItemCompat.setContentDescription(editItem,
65                        getString(R.string.popup_menu_edit_description));
66                MenuItemCompat.setTooltipText(editItem,
67                        getString(R.string.popup_menu_edit_tooltip));
68
69                // Register a listener to be notified when a menu item in our popup menu has
70                // been clicked.
71                mPopupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
72                    @Override
73                    public boolean onMenuItemClick(MenuItem item) {
74                        addToLog("Item '"+ item.getTitle() + "' clicked");
75                        return true;
76                    }
77                });
78
79                // Register a listener to be notified when our popup menu is dismissed.
80                mPopupMenu.setOnDismissListener(new PopupMenu.OnDismissListener() {
81                    @Override
82                    public void onDismiss(PopupMenu menu) {
83                        addToLog("Popup menu dismissed");
84                    }
85                });
86
87                // Show the popup menu
88                mPopupMenu.show();
89            }
90        });
91    }
92
93    private void addToLog(String toLog) {
94        String toPrepend = mDateFormat.format(new Date()) + " " + toLog + "\n";
95        mLog.setText(toPrepend + mLog.getText());
96    }
97}
98