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CallLog.Calls.CONTENT_URI我不想从非活动类中获取数据。我正在使用游标从 CallLog 中获取这些数据。但是在非活动类光标显示一些错误,所以我怎么能做到这一点?

目前正在这样做,

public class CallReceiver extends Activity {
@Override
public void onCreate(Bundle bundle) {
    super.onCreate(bundle);     
    Cursor cursor =  managedQuery(android.provider.CallLog.Calls.CONTENT_URI,null,null,null,null);
 startManagingCursor(cursor);
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1 回答 1

10
Cursor c = context.getContentResolver().query(uri, projection, selection, null, sortOrder);
    if (c.moveToFirst()) {
        ...
    }
    c.close();
于 2011-06-10T16:31:55.970 回答