0
我得到这个错误:产生的原因:显示java.lang.NullPointerException textAlarmPrompt
Caused by: java.lang.NullPointerException
at com.thewayto.doland.Acttimer.onCreate(Acttimer.java:52)
这是代码,错误的是第三行:
textAlarmPrompt = (TextView)findViewById(R.id.alarmprompt);
buttonstartSetDialog = (Button)findViewById(R.id.startSetDialog);
buttonstartSetDialog.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
textAlarmPrompt.setText("");
openTimePickerDialog(false);
}});
}