통화 기록을 가져 오려고하는데 nullpointer 예외가 발생했습니다 ... 코드 및 오류 스크린 샷을 첨부하고 있습니다. Manifest file.am에 스크린 샷을 첨부하여 권한을 추가했습니다. textView
가 null
이고, 그래서Android에서 전화 통화 내역을 얻는 방법
textView.setText(sb);
다음 로그 캣 기준
public class MainActivity extends Activity {
TextView textView = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textView = (TextView) findViewById(R.id.action_settings);
getCallDetails();
}
private void getCallDetails() {
// TODO Auto-generated method stub
StringBuffer sb = new StringBuffer();
Cursor managedCursor = managedQuery(CallLog.Calls.CONTENT_URI, null,null,null,null);
int number = managedCursor.getColumnIndex(CallLog.Calls.NUMBER);
int type = managedCursor.getColumnIndex(CallLog.Calls.TYPE);
int date = managedCursor.getColumnIndex(CallLog.Calls.DATE);
int duration = managedCursor.getColumnIndex(CallLog.Calls.DURATION);
sb.append("Call Log :");
while (managedCursor.moveToNext())
{ String phNumber = managedCursor.getString(number);
String callType = managedCursor.getString(type);
String callDate = managedCursor.getString(date);
Date callDayTime = new Date(Long.valueOf(callDate));
String callDuration = managedCursor.getString(duration);
String dir = null;
int dircode = Integer.parseInt(callType);
switch (dircode)
{
case CallLog.Calls.OUTGOING_TYPE:
dir = "OUTGOING";
break;
case CallLog.Calls.INCOMING_TYPE:
dir = "INCOMING";
break;
case CallLog.Calls.MISSED_TYPE:
dir = "MISSED";
break;
}
sb.append("\nPhone Number:--- " + phNumber + " \nCall Type:--- " + dir + " \nCall Date:--- " + callDayTime + " \nCall duration in sec :--- " + callDuration); sb.append("\n----------------------------------"); }
//managedCursor.close();
textView.setText(sb);
}
}
확인이 http://stackoverflow.com/questions/6786666/how-do-i-access-call-log-for-android – Shijil