android智能短信源码

package cn.itcast.smsmanager; import java.util.ArrayList; import java.util.HashMap; import java.util.HashSet; import java.util.Map; import android.app.Activity; import android.app.AlertDialog; import android.app.ProgressDialog; import android.content.AsyncQueryHandler; import android.content.ContentResolver; import android.content.ContentValues; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.database.Cursor; import android.graphics.BitmapFactory; import android.net.Uri; import android.os.Bundle; import android.os.SystemClock; import android.provider.ContactsContract.PhoneLookup; import android.text.format.DateFormat; import android.text.format.DateUtils; import android.text.format.Time; import android.util.DisplayMetrics; import android.util.Log; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.AdapterView.OnItemLongClickListener; import android.widget.Button; import android.widget.CheckBox; import android.widget.CursorAdapter; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; import cn.itcast.smsmanager.domain.Groups; import cn.itcast.smsmanager.domain.Sms; import cn.itcast.smsmanager.domain.Thread_Groups; public class ConversationActivity extends Activity implements OnClickListener{ private Button bt_new_msg; private Button bt_all_select; private Button bt_cancel_selected; private Button bt_delete; private LinearLayout mEdit; private ListView mListView; private TextView tv_empty; private QueryHandler mQueryHandler; private ConversationAdapter mAdapter; //短信会话的投影 private final static String[] CONVERSATION_PROJECTION = new String[]{"sms.thread_id as _id", "snippet", "msg_count", "sms.address as address", "sms.date as date"}; private final static int ID_COLUMN_INDEX = 0; private final static int SNIPPET_COLUMN_INDEX = 1; private final static int MSG_COUNT_COLUMN_INDEX = 2; private final static int ADDRESS_COLUMN_INDEX = 3; private final static int DATE_COLUMN_INDEX = 4; //联系人的投影 private final static String[] CONTACT_PROJECTION = new String[]{PhoneLookup.DISPLAY_NAME}; private final static int DISPLAY_NAME_COLUMN_INDEX = 0; //群组的投影 private final static String[] GROUP_PROJECTION = new String[]{Groups._ID,Groups.GROUP_NAME}; private final static int GROUP_NAME_COLUMN_INDEX = 1; private static final int MENU_SEARCH_ID = Menu.NONE + 1; private static final int MENU_DELETE_ID = Menu.NONE + 2; private static final int MENU_BACK_ID = Menu.NONE + 3; private MenuItem menu_item_search; private MenuItem menu_item_delete; private MenuItem menu_item_back; //Activity的显示模式 enum DISPLAYMODE{ list,edit }; private DISPLAYMODE mode = DISPLAYMODE.list; private HashSet<String> mMultSelected = new HashSet<String>(); private ProgressDialog mProgressDialog; private boolean delete = true; private String thread_ids; private String group_name; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.conversation); thread_ids = getIntent().getStringExtra("thread_ids"); group_name = getIntent().getStringExtra("group_name"); initTitle(); initView(); startQuery(); } /** * 初始化标题 */ private void initTitle() { // TODO Auto-generated method stub if(group_name != null){ setTitle(group_name); } } /** * 查询短信的数据 * getContentResolver().query(); * managedQuery(uri, projection, selection, selectionArgs, sortOrder) 不用手动的去管理cursor,让activity去帮我们管理 * 如果直接查询，就是在主线程进行的。 * 可以采用android提供的异步框架, * 使用范围：只能去访问我们的ContentProvider所提供的数据 */ private void startQuery() { // TODO Auto-generated method stub Uri uri = Sms.CONVERSATION_URI; // select * from table where thread_id in (2,3) thread_ids <===> (2,3) if(thread_ids != null){ String where = Sms.THREAD_ID + " in " + thread_ids; mQueryHandler.startQuery(0, null, uri, CONVERSATION_PROJECTION, where, null, " date desc"); }else{ mQueryHandler.startQuery(0, null, uri, CONVERSATION_PROJECTION, null, null, " date desc"); } } /** * 初始化控件 */ private void initView() { // TODO Auto-generated method stub bt_new_msg = (Button) findViewById(R.id.bt_new_msg); bt_all_select = (Button) findViewById(R.id.bt_all_select); bt_cancel_selected = (Button) findViewById(R.id.bt_cancel_selected); bt_delete = (Button) findViewById(R.id.bt_delete); //设置点击监听事件 bt_new_msg.setOnClickListener(this); bt_all_select.setOnClickListener(this); bt_cancel_selected.setOnClickListener(this); bt_delete.setOnClickListener(this); mEdit = (LinearLayout) findViewById(R.id.edit); mListView = (ListView) findViewById(R.id.listview); tv_empty = (TextView) findViewById(R.id.empty); mEdit.setVisibility(View.GONE); bt_delete.setVisibility(View.GONE); //当listview里面数据为空的时候，显示一个布局 mListView.setEmptyView(tv_empty); mQueryHandler = new QueryHandler(getContentResolver()); mAdapter = new ConversationAdapter(this, null); mListView.setAdapter(mAdapter); //给listview设置条目点击事件 mListView.setOnItemClickListener(new MyOnItemClickListener()); //设置listview长按事件 mListView.setOnItemLongClickListener(new MyOnItemLongClickListener()); } private final class MyOnItemLongClickListener implements OnItemLongClickListener{ public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) { // TODO Auto-generated method stub if(mode == DISPLAYMODE.list){ //得到会话的id Cursor cursor = (Cursor) mAdapter.getItem(position); final String thread_id = cursor.getString(ID_COLUMN_INDEX); //查询群组数据 final HashMap<String,String> groupsMap = new HashMap<String,String>(); Uri uri = Groups.CONTENT_URI; Cursor group_cursor = getContentResolver().query(uri, GROUP_PROJECTION, null, null, null); if(group_cursor.getCount() > 0){ while(group_cursor.moveToNext()){ String group_id = group_cursor.getString(ID_COLUMN_INDEX); String group_name = group_cursor.getString(GROUP_NAME_COLUMN_INDEX); groupsMap.put(group_name, group_id); } group_cursor.close(); }else{ group_cursor.close(); Toast.makeText(getApplicationContext(), R.string.please_create_group, Toast.LENGTH_LONG).show(); return true; } //构建群组数组 int i = 0; final String[] groups = new String[groupsMap.size()]; for(Map.Entry<String, String> entry:groupsMap.entrySet()){ groups[i] = entry.getKey(); i++; } AlertDialog.Builder builder = new AlertDialog.Builder(ConversationActivity.this); builder.setTitle(R.string.select_collection_group); builder.setItems(groups, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub String group_name = groups[which]; String group_id = groupsMap.get(group_name); //把会话收藏到群组 /** * 1 先判断会话是否已经收藏到了该群组 * */ Uri uri = Thread_Groups.CONTENT_URI; Str