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
17package com.example.android.donebar;
18
19import android.app.Activity;
20import android.content.Intent;
21import android.content.res.Resources;
22import android.os.Bundle;
23import android.view.View;
24import android.view.ViewGroup;
25import android.view.ViewTreeObserver;
26import android.widget.AdapterView;
27import android.widget.BaseAdapter;
28import android.widget.GridView;
29import android.widget.TextView;
30
31/**
32 * A simple launcher activity offering access to the individual samples in this project.
33 */
34public class MainActivity extends Activity implements AdapterView.OnItemClickListener {
35    private Sample[] mSamples;
36    private GridView mGridView;
37
38    protected void onCreate(Bundle savedInstanceState) {
39        super.onCreate(savedInstanceState);
40        setContentView(R.layout.activity_main);
41
42        // Prepare list of samples in this dashboard.
43        mSamples = new Sample[]{
44            new Sample(R.string.donebaractivity_title, R.string.donebaractivity_description,
45                    DoneBarActivity.class),
46            new Sample(R.string.donebuttonactivity_title, R.string.donebuttonactivity_description,
47                    DoneButtonActivity.class),
48        };
49
50        // Prepare the GridView
51        mGridView = (GridView) findViewById(android.R.id.list);
52        mGridView.setAdapter(new SampleAdapter());
53        mGridView.setOnItemClickListener(this);
54    }
55
56    @Override
57    public void onItemClick(AdapterView<?> container, View view, int position, long id) {
58        startActivity(mSamples[position].intent);
59    }
60
61    private class SampleAdapter extends BaseAdapter {
62        @Override
63        public int getCount() {
64            return mSamples.length;
65        }
66
67        @Override
68        public Object getItem(int position) {
69            return mSamples[position];
70        }
71
72        @Override
73        public long getItemId(int position) {
74            return mSamples[position].hashCode();
75        }
76
77        @Override
78        public View getView(int position, View convertView, ViewGroup container) {
79            if (convertView == null) {
80                convertView = getLayoutInflater().inflate(R.layout.sample_dashboard_item,
81                        container, false);
82            }
83
84            ((TextView) convertView.findViewById(android.R.id.text1)).setText(
85                    mSamples[position].titleResId);
86            ((TextView) convertView.findViewById(android.R.id.text2)).setText(
87                    mSamples[position].descriptionResId);
88            return convertView;
89        }
90    }
91
92    private class Sample {
93        int titleResId;
94        int descriptionResId;
95        Intent intent;
96
97        private Sample(int titleResId, int descriptionResId, Intent intent) {
98            this.intent = intent;
99            this.titleResId = titleResId;
100            this.descriptionResId = descriptionResId;
101        }
102
103        private Sample(int titleResId, int descriptionResId,
104                Class<? extends Activity> activityClass) {
105            this(titleResId, descriptionResId,
106                    new Intent(MainActivity.this, activityClass));
107        }
108    }
109}
110