1/*
2 * Copyright (C) 2008 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 android.widget;
18
19import com.android.frameworks.coretests.R;
20
21import android.app.Activity;
22import android.os.Bundle;
23import android.util.Log;
24import android.view.View;
25import android.widget.AdapterView.OnItemClickListener;
26import android.widget.AdapterView.OnItemSelectedListener;
27
28public class AutoCompleteTextViewSimple extends Activity
29        implements OnItemClickListener, OnItemSelectedListener {
30
31    private final String LOG_TAG = "AutoCompleteTextViewSimple";
32
33    private AutoCompleteTextView mTextView;
34
35    /** These are cleared by resetItemListeners(), and set by the callback listeners */
36    public boolean mItemClickCalled;
37    public int mItemClickPosition;
38    public boolean mItemSelectedCalled;
39    public int mItemSelectedPosition;
40    public boolean mNothingSelectedCalled;
41
42    @Override
43    protected void onCreate(Bundle icicle)
44    {
45        // Be sure to call the super class.
46        super.onCreate(icicle);
47
48        // setup layout & views
49        setContentView(R.layout.autocompletetextview_simple);
50        mTextView = (AutoCompleteTextView) findViewById(R.id.autocompletetextview1);
51
52        // configure callbacks used for monitoring
53        mTextView.setOnItemClickListener(this);
54        mTextView.setOnItemSelectedListener(this);
55        resetItemListeners();
56
57        setStringAdapter(5, "a");
58    }
59
60    /**
61     * @return The AutoCompleteTextView used in this test activity.
62     */
63    public AutoCompleteTextView getTextView() {
64        return mTextView;
65    }
66
67    /**
68     * Set the autocomplete data to an adapter containing 0..n strings with a consistent prefix.
69     */
70    public void setStringAdapter(int numSuggestions, String prefix) {
71        // generate the string array
72        String[] strings = new String[numSuggestions];
73        for (int i = 0; i < numSuggestions; ++i) {
74            strings[i] = prefix + String.valueOf(i);
75        }
76
77        // install it with an adapter
78        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
79                android.R.layout.simple_dropdown_item_1line, strings);
80        mTextView.setAdapter(adapter);
81    }
82
83    /**
84     * For monitoring OnItemClickListener & OnItemSelectedListener
85     *
86     * An alternative here would be to provide a set of pass-through callbacks
87     */
88    public void resetItemListeners() {
89        mItemClickCalled = false;
90        mItemClickPosition = -1;
91        mItemSelectedCalled = false;
92        mItemSelectedPosition = -1;
93        mNothingSelectedCalled = false;
94    }
95
96    /**
97     * Implements OnItemClickListener
98     */
99    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
100        Log.d(LOG_TAG, "onItemClick() position " + position);
101        mItemClickCalled = true;
102        mItemClickPosition = position;
103    }
104
105    /**
106     * Implements OnItemSelectedListener
107     */
108    public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
109        Log.d(LOG_TAG, "onItemSelected() position " + position);
110        mItemSelectedCalled = true;
111        mItemSelectedPosition = position;
112    }
113
114    /**
115     * Implements OnItemSelectedListener
116     */
117    public void onNothingSelected(AdapterView<?> parent) {
118        Log.d(LOG_TAG, "onNothingSelected()");
119        mNothingSelectedCalled = true;
120    }
121
122}
123