19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 171d3165f10b12165f02b7015ac1a817c5f60e6399Neal Nguyenpackage android.widget.gridview; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 191d3165f10b12165f02b7015ac1a817c5f60e6399Neal Nguyenimport com.android.frameworks.coretests.R; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.app.Activity; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Bundle; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.LayoutInflater; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.AdapterView; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.BaseAdapter; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.GridView; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.TextView; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Random; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Exercises change notification in a list 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class GridThrasher extends Activity implements AdapterView.OnItemSelectedListener 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Handler mHandler = new Handler(); 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ThrashListAdapter mAdapter; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Random mRandomizer = new Random(); 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextView mText; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Runnable mThrash = new Runnable() { 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAdapter.bumpVersion(); 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.postDelayed(mThrash, 500); 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class ThrashListAdapter extends BaseAdapter { 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private LayoutInflater mInflater; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Our data, part 1. 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String[] mTitles = new String[100]; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Our data, part 2. 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int[] mVersion = new int[100]; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ThrashListAdapter(Context context) { 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTitles = new String[100]; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVersion = new int[100]; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<100; i++) { 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTitles[i] = "[" + i + "]"; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVersion[i] = 0; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getCount() { 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTitles.length; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Object getItem(int position) { 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return position; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long getItemId(int position) { 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return position; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getView(int position, View convertView, ViewGroup parent) { 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextView view; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (convertView == null) { 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view = (TextView) mInflater.inflate(android.R.layout.simple_list_item_1, null); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view = (TextView) convertView; 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view.setText(mTitles[position] + " " + mVersion[position]); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return view; 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void bumpVersion() { 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int position = mRandomizer.nextInt(getCount()); 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVersion[position]++; 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyDataSetChanged(); 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onCreate(Bundle icicle) 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onCreate(icicle); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setContentView(R.layout.grid_thrasher); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mText = (TextView) findViewById(R.id.text); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAdapter = new ThrashListAdapter(this); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GridView g = (GridView) findViewById(R.id.grid); 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project g.setAdapter(mAdapter); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.postDelayed(mThrash, 5000); 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project g.setOnItemSelectedListener(this); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onItemSelected(AdapterView parent, View v, int position, long id) { 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mText.setText("Position " + position); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onNothingSelected(AdapterView parent) { 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mText.setText("Nothing"); 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 136