旺仔：Content Provider读取手机联系人

联系人"/>

旺仔：Content Provider读取手机联系人

//联系人信息public void bt5_OnClick(View v){//得到调用者ContentResolver contentResolver=getContentResolver();//准备URI// ContactsContract.Contacts.CONTENT_URI;//调用提供者Cursor cursor=contentResolver.query(ContactsContract.Contacts.CONTENT_URI,null, null, null, null);//遍历数据集合if (cursor!=null){while (cursor.moveToNext()){long id=cursor.getLong(cursor.getColumnIndex(ContactsContract.Contacts._ID));String sName=cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));Log.e("TAG","id="+id+"Name="+sName);//读这个联系人的电话信息Cursor c= getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null,ContactsContract.CommonDataKinds.Phone.CONTACT_ID + "=?", new String[]{id + ""}, null);if (c!=null){while (c.moveToNext()){//读电话long Pid=c.getLong(c.getColumnIndex(ContactsContract.CommonDataKinds.Phone._ID));String number=c.getString(c.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));Log.e("TAG",sName+"电话号码="+number+"id="+Pid);}c.close();}}Toast.makeText(MainActivity.this, "联系人的数量="+cursor.getCount(), Toast.LENGTH_SHORT).show();}else {Toast.makeText(MainActivity.this, "未查到联系人的信息", Toast.LENGTH_SHORT).show();}}

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