Question

基于我之前得到的答案，我在BroadcastReceiver中有这段代码：

Uri lookupUri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(ASenderTel));
// Also tried;
//ContentResolver cr = getContentResolver();
//Context c = this;
Cursor c = getContentResolver().query(lookupUri, new String[] { PhoneLookup._ID }, null, null, null);
return (c.getCount() > 0);

...但是得到错误信息，＆＃34;方法getContentResolver（）未定义类型KITSMSReceiver＆＃34;

Answer 1

getContentResolver（）是android.content.Context类的一个方法。例如，您可以从您的活动中访问它。为了实现它，将广播接收器放在活动类中：

快速草稿：

public class MyActivity extends Activity {

  // ...

  private BroadcastReceiver myReceiver = new BroadcastReceiver() {
    public void onReceive(Context c, Intent i) {
      MyActivity.this.recvBroadcast(i); // forward to your activity
      MyActivity.this.getContentResolver();  // <-----
    }
  }};

  // ...

}

试图查询ContactList

1 个答案: