android仿通讯录

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- <span class="keyword">package</span> com.example.menu;

- 
- <span class="keyword">import</span> java.util.ArrayList;

- <span class="keyword">import</span> java.util.HashMap;

- <span class="keyword">import</span> java.util.List;

- <span class="keyword">import</span> java.util.regex.Pattern;

- 
- <span class="keyword">import</span> com.example.menu.MyLetterListView.OnTouchingLetterChangedListener;

- 
- <span class="keyword">import</span> android.app.Activity;

- <span class="keyword">import</span> android.content.AsyncQueryHandler;

- <span class="keyword">import</span> android.content.ComponentName;

- <span class="keyword">import</span> android.content.ContentResolver;

- <span class="keyword">import</span> android.content.ContentValues;

- <span class="keyword">import</span> android.content.Context;

- <span class="keyword">import</span> android.content.Intent;

- <span class="keyword">import</span> android.database.Cursor;

- <span class="keyword">import</span> android.graphics.PixelFormat;

- <span class="keyword">import</span> android.net.Uri;

- <span class="keyword">import</span> android.os.Bundle;

- <span class="keyword">import</span> android.os.Handler;

- <span class="keyword">import</span> android.provider.ContactsContract;

- <span class="keyword">import</span> android.util.Log;

- <span class="keyword">import</span> android.view.LayoutInflater;

- <span class="keyword">import</span> android.view.View;

- <span class="keyword">import</span> android.view.View.OnClickListener;

- <span class="keyword">import</span> android.view.ViewGroup;

- <span class="keyword">import</span> android.view.Window;

- <span class="keyword">import</span> android.view.WindowManager;

- <span class="keyword">import</span> android.widget.AbsListView;

- <span class="keyword">import</span> android.widget.AbsListView.OnScrollListener;

- <span class="keyword">import</span> android.widget.BaseAdapter;

- <span class="keyword">import</span> android.widget.ImageView;

- <span class="keyword">import</span> android.widget.ListView;

- <span class="keyword">import</span> android.widget.TextView;

- <span class="keyword">import</span> android.widget.Toast;

- 
- <span class="keyword">public</span> <span class="keyword">class</span> Friend <span class="keyword">extends</span> Activity

- {

- 
- <span class="keyword">private</span> BaseAdapter adapter;

- 
- <span class="keyword">private</span> ListView listview;

- 
- <span class="keyword">private</span> TextView overlay;

- 
- <span class="keyword">private</span> ImageView suspend_search;

- 
- <span class="keyword">private</span> MyLetterListView letterListView;

- 
- <span class="keyword">private</span> AsyncQueryHandler asyncQuery;

- 
- <span class="keyword">private</span> <span class="keyword">static</span> <span class="keyword">final</span> String NAME = <span class="string">&#8220;name&#8221;</span>, NUMBER = <span class="string">&#8220;number&#8221;</span>,

- SORT_KEY = <span class="string">&#8220;sort_key&#8221;</span>;

- 
- <span class="keyword">private</span> HashMap<String, Integer> alphaIndexer;

- 
- <span class="keyword">private</span> String[] sections;

- 
- <span class="keyword">public</span> List<ContentValues> list = <span class="keyword">new</span> ArrayList<ContentValues>();

- 
- <span class="keyword">private</span> WindowManager windowManager;

- 
- <span class="annotation">@Override</span>

- <span class="keyword">public</span> <span class="keyword">void</span> onCreate(Bundle savedInstanceState)

- {

- <span class="keyword">super</span>.onCreate(savedInstanceState);

- requestWindowFeature(Window.FEATURE_NO_TITLE);

- setContentView(R.layout.friend);

- windowManager =

- (WindowManager) <span class="keyword">this</span>.getSystemService(Context.WINDOW_SERVICE);

- asyncQuery = <span class="keyword">new</span> MyAsyncQueryHandler(getContentResolver());

- listview = (ListView) findViewById(R.id.list_view);

- letterListView = (MyLetterListView) findViewById(R.id.my_list_view);

- letterListView

- .setOnTouchingLetterChangedListener(<span class="keyword">new</span> LetterListViewListener());

- 
- alphaIndexer = <span class="keyword">new</span> HashMap<String, Integer>();

- <span class="keyword">new</span> Handler();

- <span class="keyword">new</span> OverlayThread();

- initOverlay();

- initSuSearch();

- <span class="keyword">if</span> (list.size() > <span class="number"></span>)

- {

- }

- 
- listview.setOnScrollListener(<span class="keyword">new</span> OnScrollListener()

- {

- 
- <span class="annotation">@Override</span>

- <span class="keyword">public</span> <span class="keyword">void</span> onScrollStateChanged(AbsListView view, <span class="keyword">int</span> scrollState)

- {

- suspend_search.setVisibility(View.VISIBLE);

- }

- 
- <span class="annotation">@Override</span>

- <span class="keyword">public</span> <span class="keyword">void</span> onScroll(AbsListView view, <span class="keyword">int</span> firstVisibleItem,

- <span class="keyword">int</span> visibleItemCount, <span class="keyword">int</span> totalItemCount)

- {

- suspend_search.setVisibility(View.GONE);

- }

- });

- suspend_search.setOnClickListener(<span class="keyword">new</span> OnClickListener()

- {

- 
- <span class="annotation">@Override</span>

- <span class="keyword">public</span> <span class="keyword">void</span> onClick(View v)

- {

- ComponentName friendcName =

- <span class="keyword">new</span> ComponentName(Friend.<span class="keyword">this</span>,

- <span class="string">&#8220;com.example.test_intent.FriendSearch&#8221;</span>);

- Intent friend_viewIntent = <span class="keyword">new</span> Intent();

- friend_viewIntent.setComponent(friendcName);

- startActivity(friend_viewIntent);

- Toast.makeText(getApplicationContext(), <span class="string">&#8220;sousuo&#8221;</span>,

- Toast.LENGTH_LONG).show();

- <span class="comment">// TODO Auto-generated method stub</span>

- }

- });

- }

- 
- <span class="annotation">@SuppressWarnings</span>(<span class="string">&#8220;deprecation&#8221;</span>)

- <span class="keyword">public</span> <span class="keyword">void</span> getContent()

- {

- Cursor cur =

- getContentResolver().query(

- ContactsContract.Contacts.CONTENT_URI, <span class="keyword">null</span>, <span class="keyword">null</span>,

- <span class="keyword">null</span>, <span class="keyword">null</span>);

- startManagingCursor(cur);

- }

- 
- <span class="annotation">@Override</span>

- <span class="keyword">protected</span> <span class="keyword">void</span> onResume()

- {

- <span class="keyword">super</span>.onResume();

- Uri uri = Uri.parse(<span class="string">&#8220;content://com.android.contacts/data/phones&#8221;</span>);

- String[] projection = { <span class="string">&#8220;_id&#8221;</span>, <span class="string">&#8220;display_name&#8221;</span>, <span class="string">&#8220;data1&#8221;</span>, <span class="string">&#8220;sort_key&#8221;</span> };

- asyncQuery.startQuery(<span class="number"></span>, <span class="keyword">null</span>, uri, projection, <span class="keyword">null</span>, <span class="keyword">null</span>,

- <span class="string">&#8220;sort_key COLLATE LOCALIZED asc&#8221;</span>);

- }

- 
- <span class="keyword">private</span> <span class="keyword">class</span> MyAsyncQueryHandler <span class="keyword">extends</span> AsyncQueryHandler

- {

- 
- <span class="keyword">public</span> MyAsyncQueryHandler(ContentResolver cr)

- {

- <span class="keyword">super</span>(cr);

- }

- 
- <span class="annotation">@Override</span>

- <span class="keyword">protected</span> <span class="keyword">void</span> onQueryComplete(<span class="keyword">int</span> token, Object cookie, Cursor cursor)

- {

- 
- cursor.moveToFirst();

- Log.d(<span class="string">&#8220;ccccc&#8221;</span>,

- cursor.getString(<span class="number"></span>) + <span class="string">&#8221; 000 &#8220;</span> + cursor.getString(<span class="number">1</span>)

- + <span class="string">&#8221; 000 &#8220;</span> + cursor.getString(<span class="number">2</span>) + <span class="string">&#8221; 000 &#8220;</span>

- + cursor.getString(<span class="number">3</span>));

- 
- <span class="keyword">while</span> (cursor.moveToNext())

- {

- ContentValues cv = <span class="keyword">new</span> ContentValues();

- cv.put(NAME, cursor.getString(<span class="number">1</span>));

- cv.put(NUMBER, cursor.getString(<span class="number">2</span>));

- cv.put(SORT_KEY, cursor.getString(<span class="number">3</span>));

- list.add(cv);

- }

- <span class="keyword">if</span> (list.size() > <span class="number"></span>)

- {

- setAdapter(list);

- }

- }

- 
- }

- 
- <span class="keyword">private</span> <span class="keyword">void</span> setAdapter(List<ContentValues> list)

- {

- adapter = <span class="keyword">new</span> ListAdapter(<span class="keyword">this</span>, list);

- listview.setAdapter(adapter);

- 
- }

- 
- <span class="keyword">private</span> <span class="keyword">class</span> ListAdapter <span class="keyword">extends</span> BaseAdapter

- {

- 
- <span class="keyword">private</span> LayoutInflater inflater;

- 
- <span class="keyword">private</span> List<ContentValues> list;

- 
- <span class="keyword">public</span> ListAdapter(Context context, List<ContentValues> list)

- {

- <span class="keyword">this</span>.inflater = LayoutInflater.from(context);

- <span class="keyword">this</span>.list = list;

- alphaIndexer = <span class="keyword">new</span> HashMap<String, Integer>();

- sections = <span class="keyword">new</span> String[list.size()];

- 
- <span class="keyword">for</span> (<span class="keyword">int</span> i = <span class="number"></span>; i < list.size(); i++)

- {

- String currentStr = getAlpha(list.get(i).getAsString(SORT_KEY));

- String previewStr =

- (i &#8211; <span class="number">1</span>) >= <span class="number"></span> ? getAlpha(list.get(i &#8211; <span class="number">1</span>).getAsString(

- SORT_KEY)) : <span class="string">&#8221; &#8220;</span>;

- <span class="keyword">if</span> (!previewStr.equals(currentStr))

- {

- String name = getAlpha(list.get(i).getAsString(SORT_KEY));

- alphaIndexer.put(name, i);

- sections[i] = name;

- }

- }

- }

- 
- <span class="annotation">@Override</span>

- <span class="keyword">public</span> <span class="keyword">int</span> getCount()

- {

- <span class="keyword">return</span> list.size();

- }

- 
- <span class="annotation">@Override</span>

- <span class="keyword">public</span> Object getItem(<span class="keyword">int</span> position)

- {

- <span class="keyword">return</span> list.get(position);

- }

- 
- <span class="annotation">@Override</span>

- <span class="keyword">public</span> <span class="keyword">long</span> getItemId(<span class="keyword">int</span> position)

- {

- <span class="keyword">return</span> position;

- }

- 
- <span class="annotation">@Override</span>

- <span class="keyword">public</span> View getView(<span class="keyword">int</span> position, View convertView, ViewGroup parent)

- {

- ViewHolder holder;

- 
- <span class="keyword">if</span> (convertView == <span class="keyword">null</span>)

- {

- convertView = inflater.inflate(R.layout.list_item, <span class="keyword">null</span>);

- holder = <span class="keyword">new</span> ViewHolder();

- holder.alpha = (TextView) convertView.findViewById(R.id.alpha);

- holder.name = (TextView) convertView.findViewById(R.id.name);

- holder.number =

- (TextView) convertView.findViewById(R.id.number);

- convertView.setTag(holder);

- }

- <span class="keyword">else</span>

- {

- holder = (ViewHolder) convertView.getTag();

- }

- 
- ContentValues cv = list.get(position);

- holder.name.setText(cv.getAsString(NAME));

- holder.number.setText(cv.getAsString(NUMBER));

- String currentStr =

- getAlpha(list.get(position).getAsString(SORT_KEY));

- String previewStr =

- (position &#8211; <span class="number">1</span>) >= <span class="number"></span> ? getAlpha(list.get(position &#8211; <span class="number">1</span>)

- .getAsString(SORT_KEY)) : <span class="string">&#8221; &#8220;</span>;

- 
- <span class="keyword">if</span> (!previewStr.equals(currentStr))

- {

- holder.alpha.setVisibility(View.VISIBLE);

- holder.alpha.setText(currentStr);

- }

- <span class="keyword">else</span>

- {

- holder.alpha.setVisibility(View.GONE);

- }

- 
- <span class="keyword">return</span> convertView;

- }

- 
- <span class="keyword">private</span> <span class="keyword">class</span> ViewHolder

- {

- 
- TextView alpha;

- 
- TextView name;

- 
- TextView number;

- }

- }

- 
- <span class="keyword">private</span> <span class="keyword">void</span> initSuSearch()<span class="comment">// 搜索</span>

- {

- LayoutInflater inflater = LayoutInflater.from(<span class="keyword">this</span>);

- suspend_search =

- (ImageView) inflater.inflate(R.layout.suspend_search, <span class="keyword">null</span>);

- WindowManager.LayoutParams lp =

- <span class="keyword">new</span> WindowManager.LayoutParams(<span class="number">80</span>, <span class="number">80</span>, <span class="number">170</span>, &#8211;<span class="number">280</span>,

- WindowManager.LayoutParams.TYPE_APPLICATION,

- WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,

- PixelFormat.TRANSLUCENT);

- windowManager.addView(suspend_search, lp);

- }

- 
- <span class="keyword">private</span> <span class="keyword">void</span> initOverlay()

- {

- LayoutInflater inflater = LayoutInflater.from(<span class="keyword">this</span>);

- overlay = (TextView) inflater.inflate(R.layout.overlay, <span class="keyword">null</span>);

- WindowManager.LayoutParams lp =

- <span class="keyword">new</span> WindowManager.LayoutParams(

- <span class="number">120</span>,

- <span class="number">120</span>,

- <span class="number">100</span>,

- <span class="number"></span>,

- WindowManager.LayoutParams.TYPE_APPLICATION,

- WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE

- | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE,

- PixelFormat.TRANSLUCENT);

- <span class="comment">// WindowManager windowManager = (WindowManager)</span>

- <span class="comment">// this.getSystemService(Context.WINDOW_SERVICE);</span>

- windowManager.addView(overlay, lp);

- }

- 
- <span class="keyword">private</span> <span class="keyword">class</span> LetterListViewListener <span class="keyword">implements</span>

- OnTouchingLetterChangedListener

- {

- 
- <span class="annotation">@Override</span>

- <span class="keyword">public</span> <span class="keyword">void</span> onTouchingLetterChanged(<span class="keyword">final</span> String s, <span class="keyword">float</span> y, <span class="keyword">float</span> x)

- {

- <span class="keyword">if</span> (alphaIndexer.get(s) != <span class="keyword">null</span>)

- {

- <span class="keyword">int</span> position = alphaIndexer.get(s);

- 
- listview.setSelection(position);

- overlay.setText(sections[position]);

- overlay.setVisibility(View.VISIBLE);

- 
- }

- }

- 
- <span class="annotation">@Override</span>

- <span class="keyword">public</span> <span class="keyword">void</span> onTouchingLetterEnd()

- {

- overlay.setVisibility(View.GONE);

- }

- }

- 
- <span class="keyword">private</span> <span class="keyword">class</span> OverlayThread <span class="keyword">implements</span> Runnable

- {

- 
- <span class="annotation">@Override</span>

- <span class="keyword">public</span> <span class="keyword">void</span> run()

- {

- overlay.setVisibility(View.GONE);

- }

- }

- 
- <span class="keyword">private</span> String getAlpha(String str)

- {

- <span class="keyword">if</span> (str == <span class="keyword">null</span>)

- {

- <span class="keyword">return</span> <span class="string">&#8220;#&#8221;</span>;

- }

- 
- <span class="keyword">if</span> (str.trim().length() == <span class="number"></span>)

- {

- <span class="keyword">return</span> <span class="string">&#8220;#&#8221;</span>;

- }

- 
- <span class="keyword">char</span> c = str.trim().substring(<span class="number"></span>, <span class="number">1</span>).charAt(<span class="number"></span>);

- 
- Pattern pattern = Pattern.compile(<span class="string">&#8220;^[A-Za-z]+$&#8221;</span>);

- <span class="keyword">if</span> (pattern.matcher(c + <span class="string">&#8220;&#8221;</span>).matches())

- {

- <span class="keyword">return</span> (c + <span class="string">&#8220;&#8221;</span>).toUpperCase();

- }

- <span class="keyword">else</span>

- {

- <span class="keyword">return</span> <span class="string">&#8220;#&#8221;</span>;

- }

- }

- 
- <span class="annotation">@Override</span>

- <span class="keyword">protected</span> <span class="keyword">void</span> onDestroy()

- {

- <span class="keyword">if</span> (windowManager != <span class="keyword">null</span>)<span class="comment">// 防止内存泄露</span>

- {

- windowManager.removeView(overlay);

- windowManager.removeView(suspend_search);

- }

- <span class="keyword">super</span>.onDestroy();

- }

- 
- }