blob: d76cd0b4b5606428922d6a605e115812edb81281 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/*
* Copyright (C) 2010 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.apis.app;
import android.app.Activity;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.SearchView;
import android.widget.SearchView.OnQueryTextListener;
import android.widget.TextView;
import android.widget.Toast;
import com.example.android.apis.R;
/**
* This demonstrates idiomatic usage of the Action Bar. The default Honeycomb theme
* includes the action bar by default and a menu resource is used to populate the
* menu data itself. If you'd like to see how these things work under the hood, see
* ActionBarMechanics.
*/
public class ActionBarUsage extends Activity implements OnQueryTextListener {
TextView mSearchText;
int mSortMode = -1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mSearchText = new TextView(this);
setContentView(mSearchText);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.actions, menu);
SearchView searchView = (SearchView) menu.findItem(R.id.action_search).getActionView();
searchView.setOnQueryTextListener(this);
return true;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
if (mSortMode != -1) {
Drawable icon = menu.findItem(mSortMode).getIcon();
menu.findItem(R.id.action_sort).setIcon(icon);
}
return super.onPrepareOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
Toast.makeText(this, "Selected Item: " + item.getTitle(), Toast.LENGTH_SHORT).show();
return true;
}
// This method is specified as an onClick handler in the menu xml and will
// take precedence over the Activity's onOptionsItemSelected method.
// See res/menu/actions.xml for more info.
public void onSort(MenuItem item) {
mSortMode = item.getItemId();
// Request a call to onPrepareOptionsMenu so we can change the sort icon
invalidateOptionsMenu();
}
// The following callbacks are called for the SearchView.OnQueryChangeListener
// For more about using SearchView, see src/.../view/SearchView1.java and SearchView2.java
public boolean onQueryTextChange(String newText) {
newText = newText.isEmpty() ? "" : "Query so far: " + newText;
mSearchText.setText(newText);
return true;
}
public boolean onQueryTextSubmit(String query) {
Toast.makeText(this, "Searching for: " + query + "...", Toast.LENGTH_SHORT).show();
return true;
}
}
|
