1/*
2 * Copyright (C) 2007 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.view;
18
19import com.android.frameworks.coretests.R;
20
21import android.os.Bundle;
22import android.widget.Button;
23import android.view.View;
24import android.app.Activity;
25
26/**
27 * Exercise View's ability to change their visibility: GONE, INVISIBLE and
28 * VISIBLE.
29 */
30public class Visibility extends Activity {
31    @Override
32    protected void onCreate(Bundle icicle) {
33        super.onCreate(icicle);
34        setContentView(R.layout.visibility);
35
36        // Find the view whose visibility will change
37        mVictim = findViewById(R.id.victim);
38
39        // Find our buttons
40        Button visibleButton = findViewById(R.id.vis);
41        Button invisibleButton = findViewById(R.id.invis);
42        Button goneButton = findViewById(R.id.gone);
43
44        // Wire each button to a click listener
45        visibleButton.setOnClickListener(mVisibleListener);
46        invisibleButton.setOnClickListener(mInvisibleListener);
47        goneButton.setOnClickListener(mGoneListener);
48    }
49
50
51    View.OnClickListener mVisibleListener = new View.OnClickListener() {
52        public void onClick(View v) {
53            mVictim.setVisibility(View.VISIBLE);
54        }
55    };
56
57    View.OnClickListener mInvisibleListener = new View.OnClickListener() {
58        public void onClick(View v) {
59            mVictim.setVisibility(View.INVISIBLE);
60        }
61    };
62
63    View.OnClickListener mGoneListener = new View.OnClickListener() {
64        public void onClick(View v) {
65            mVictim.setVisibility(View.GONE);
66        }
67    };
68
69    private View mVictim;
70}
71