Android26-ContentProvider

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1.先写一个按钮

2.第二步获取 ContentResolver //获取内容访问者
ContentResolver cr=getContentResolver();
3.写一个方法
public void getContacts(View view){
    Uri uri=Uri.parse("content://com.android.contacts/raw_contacts");
    Cursor cursor=cr.query(uri,null,null,null,null);
    while (cursor.moveToNext()){
        int _id=cursor.getInt(cursor.getColumnIndex("_id"));
        String display_name=cursor.getString(cursor.getColumnIndex("display_name"));
        Log.i("test",_id+"::::"+display_name);
        Uri uriData=Uri.parse("content://com.android.contacts/raw_contacts/"+_id+"/data");
        Cursor cursor1=cr.query(uriData,null,null,null,null);
        while (cursor1.moveToNext()){
            String mimetype=cursor1.getString(cursor1.getColumnIndex("mimetype"));
            String data1=cursor1.getString(cursor1.getColumnIndex("data1"));
            if("vnd.android.cursor.item/phone_v2".equals(mimetype)){
                Log.i("test",""+mimetype+"哈哈哈"+data1);
            }
        }
    }
}
4.设置权限

<uses-permission android:name="android.permission.READ_CONTACTS"></uses-permission>

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