DoneButtonActivity.java

1
/*
2
 * Copyright 2013 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
 
17
package com.example.android.donebar;
18
 
19
import android.app.ActionBar;
20
import android.app.Activity;
21
import android.os.Bundle;
22
import android.view.LayoutInflater;
23
import android.view.Menu;
24
import android.view.MenuItem;
25
import android.view.View;
26
 
27
/**
28
 * A sample activity demonstrating the "done button" alternative action bar presentation. For a more
29
 * detailed description see {@link R.string.done_button_description}.
30
 */
31
public class DoneButtonActivity extends Activity {
32
    protected void onCreate(Bundle savedInstanceState) {
33
        super.onCreate(savedInstanceState);
34
 
36
        // Inflate a "Done" custom action bar view to serve as the "Up" affordance.
37
        final LayoutInflater inflater = (LayoutInflater) getActionBar().getThemedContext()
38
                .getSystemService(LAYOUT_INFLATER_SERVICE);
39
        final View customActionBarView = inflater.inflate(
40
                R.layout.actionbar_custom_view_done, null);
41
        customActionBarView.findViewById(R.id.actionbar_done).setOnClickListener(
42
                new View.OnClickListener() {
43
                    @Override
44
                    public void onClick(View v) {
45
                        // "Done"
46
                        finish();
47
                    }
48
                });
49
 
50
        // Show the custom action bar view and hide the normal Home icon and title.
51
        final ActionBar actionBar = getActionBar();
52
        actionBar.setDisplayOptions(
53
                ActionBar.DISPLAY_SHOW_CUSTOM,
54
                ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_SHOW_HOME
55
                        | ActionBar.DISPLAY_SHOW_TITLE);
56
        actionBar.setCustomView(customActionBarView);
58
 
59
        setContentView(R.layout.activity_done_button);
60
    }
61
 
63
    @Override
64
    public boolean onCreateOptionsMenu(Menu menu) {
65
        super.onCreateOptionsMenu(menu);
66
        getMenuInflater().inflate(R.menu.cancel, menu);
67
        return true;
68
    }
69
 
70
 
71
    @Override
72
    public boolean onOptionsItemSelected(MenuItem item) {
73
        switch (item.getItemId()) {
74
            case R.id.cancel:
75
                // "Cancel"
76
                finish();
77
                return true;
78
        }
79
        return super.onOptionsItemSelected(item);
80
    }
82
}