コード内のいくつかのメソッドから 2 つの変換された日付と時刻を文字列に返して、ユーザーがデータベース内のユーザーの予定時刻とデータを更新できるようにしようとしています。ボタンをクリックして OnClickListner を呼び出すと、null ポインター エラーが発生します。
LogCat:
02-07 21:26:04.869: W/dalvikvm(305): threadid=1: thread exiting with uncaught exception (group=0x4001d800)
02-07 21:26:04.949: E/AndroidRuntime(305): FATAL EXCEPTION: main
02-07 21:26:04.949: E/AndroidRuntime(305): java.lang.NullPointerException
02-07 21:26:04.949: E/AndroidRuntime(305): at com.example.flybase2.AppointmentEditChanges.setTime(AppointmentEditChanges.java:278)
02-07 21:26:04.949: E/AndroidRuntime(305): at com.example.flybase2.AppointmentEditChanges.onClick(AppointmentEditChanges.java:304)
02-07 21:26:04.949: E/AndroidRuntime(305): at android.view.View.performClick(View.java:2408)
02-07 21:26:04.949: E/AndroidRuntime(305): at android.view.View$PerformClick.run(View.java:8816)
02-07 21:26:04.949: E/AndroidRuntime(305): at android.os.Handler.handleCallback(Handler.java:587)
02-07 21:26:04.949: E/AndroidRuntime(305): at android.os.Handler.dispatchMessage(Handler.java:92)
02-07 21:26:04.949: E/AndroidRuntime(305): at android.os.Looper.loop(Looper.java:123)
02-07 21:26:04.949: E/AndroidRuntime(305): at android.app.ActivityThread.main(ActivityThread.java:4627)
02-07 21:26:04.949: E/AndroidRuntime(305): at java.lang.reflect.Method.invokeNative(Native Method)
02-07 21:26:04.949: E/AndroidRuntime(305): at java.lang.reflect.Method.invoke(Method.java:521)
02-07 21:26:04.949: E/AndroidRuntime(305): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
02-07 21:26:04.949: E/AndroidRuntime(305): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
02-07 21:26:04.949: E/AndroidRuntime(305): at dalvik.system.NativeStart.main(Native Method)
ここに私のクラス全体、2 つのメソッドが一番下にあります。
package com.example.flybase2;
public class AppointmentEditChanges extends Activity implements OnClickListener {
String dateToSetA;
String timeToSetA;
String dateToSetB;
String timeToSetB;
Date setDate;
Long passedID;
EditText editAppointName;
Spinner editTime;
TimePicker editTimePicker;
DatePicker editDatePicker;
Date dateToEdit;
Date cake;
Date dateToEditApp;
EditText editCommentsApp;
ToggleButton editToggle;
boolean setTog;
Button editUpdateApp;
Button editDelApp;
String updateNameAppoint;
String updateCommsAppoint;
TimePicker setTime;
DatePicker setDateb;
String typeToSet;
boolean check;
Boolean alarmToSet;
String dateToSet;
String timeToSet;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.editappointment);
editAppointName = (EditText) findViewById(R.id.inputNewAppName);
editTime = (Spinner) findViewById(R.id.spinner1);
editTimePicker = (TimePicker) findViewById(R.id.timePickerEdit);
editDatePicker = (DatePicker) findViewById(R.id.datePickerEdit);
editCommentsApp = (EditText) findViewById(R.id.inputNewComm);
editToggle = (ToggleButton) findViewById(R.id.toggleButton1);
editUpdateApp = (Button) findViewById(R.id.btnChangesApp);
editDelApp = (Button) findViewById(R.id.btnDeleteApp);
Bundle extras = getIntent().getExtras();
if (extras != null) {
passedID = extras.getLong("passedID");
}
DBHandlerApp getName = new DBHandlerApp(this, null, null);
getName.open();
String nameReturned = getName.getNameEditForAppointment(passedID);
String typeReturned = getName.getAppointTypeEditForAppointment(passedID);
getName.close();
editAppointName.setText(nameReturned);
List<String> list = new ArrayList<String>();
list.add("-");
list.add("Medical");
list.add("Business");
list.add("Family");
list.add("Other");
ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, list);
dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
editTime.setAdapter(dataAdapter);
for(int a = 0; a < list.size(); a ++) {
if (typeReturned.equals(list.get(a))) {
editTime.setSelection(a);
}
}
DBHandlerApp timeToEdit= new DBHandlerApp(this, null, null);
timeToEdit.open();
String returnedTime = timeToEdit.getTime(passedID);
timeToEdit.close();
SimpleDateFormat newFormat = new SimpleDateFormat("HH:mm");
try {
cake = newFormat.parse(returnedTime);
}
catch (ParseException e) {
e.printStackTrace();
}
Calendar cal = Calendar.getInstance();
cal.setTime(cake);
editTimePicker.setCurrentHour(cal.get( Calendar.HOUR_OF_DAY ));
editTimePicker.setCurrentMinute(cal.get( Calendar.MINUTE ));
DBHandlerApp dateToEdit= new DBHandlerApp(this, null, null);
dateToEdit.open();
String returnedDate = dateToEdit.dateToEdit(passedID);
dateToEdit.close();
SimpleDateFormat newFormatDate = new SimpleDateFormat("dd-MMM-yyyy");
try {
dateToEditApp = newFormatDate.parse(returnedDate);
}
catch (ParseException e) {
e.printStackTrace();
}
Calendar calDate = Calendar.getInstance();
calDate.setTime(dateToEditApp);
int year = calDate.get(Calendar.YEAR);
int monthOfYear = calDate.get(Calendar.MONTH);
int dayOfMonth = calDate.get(Calendar.DAY_OF_MONTH);
editDatePicker.init(year, monthOfYear, dayOfMonth, null);
DBHandlerApp commentsApp = new DBHandlerApp(this, null, null);
commentsApp.open();
String returnedComment = commentsApp.getComments(passedID);
commentsApp.close();
editCommentsApp.setText(returnedComment);
typeToSet = editTime.getSelectedItem().toString();
DBHandlerApp editAlarm = new DBHandlerApp(this, null, null);
editAlarm.open();
Integer alarmEditResult = editAlarm.checkAlarmStatus(passedID);
editAlarm.close();
if (alarmEditResult == 1) {
setTog = true;
editToggle.setChecked(setTog);
}
else {
setTog = false;
editToggle.setChecked(setTog);
}
editToggle.setChecked(setTog);
editToggle.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
if (editToggle.isChecked()) {
setTog = true;
editToggle.setChecked(setTog);
}
else {
setTog = false;
editToggle.setChecked(setTog);
}
}
});
editUpdateApp.setOnClickListener(this);
editDelApp.setOnClickListener(this);
}
@Override
public void onClick(View editChoice) {
switch(editChoice.getId()){
case R.id.btnChangesApp:
updateNameAppoint = editAppointName.getText().toString();
updateCommsAppoint = editCommentsApp.getText().toString();
dateToSetA = setDate();
timeToSetA = setTime();
if(setTog != false) {
try{
alarmToSet = true;
DBHandlerApp updateApp = new DBHandlerApp(this, null, null);
updateApp.open();
updateApp.updateAppDetails(passedID, updateNameAppoint, typeToSet, timeToSetA, dateToSetA, updateCommsAppoint, alarmToSet);
updateApp.close();
//AlarmManager dateSet = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
//Intent intent = new Intent(this, DateAlarm.class);
//PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_ONE_SHOT);
//dateSet.set(AlarmManager.RTC_WAKEUP, setDate.getTime(), pendingIntent);
}
catch (Exception e) {
check = false;
Dialog d = new Dialog(this);
d.setTitle("Appointment Failed To Be Updated 1");
TextView txt = new TextView(this);
txt.setText("Fail");
d.setContentView(txt);
d.show();
}
finally {
if(check) {
Dialog e = new Dialog(this);
e.setTitle("Appointment Has Been Updated.");
TextView txt = new TextView(this);
txt.setText("Success");
e.setContentView(txt);
e.show();
}
}
}
else if(setTog == false) {
alarmToSet = false;
updateNameAppoint = editAppointName.getText().toString();
updateCommsAppoint = editCommentsApp.getText().toString();
dateToSetB = setDate();
timeToSetB = setTime();
alarmToSet = false;
try {
DBHandlerApp updateApp = new DBHandlerApp(this, null, null);
updateApp.open();
updateApp.updateAppDetails(passedID, updateNameAppoint, typeToSet, timeToSetB, dateToSetB, updateCommsAppoint, alarmToSet);
updateApp.close();
}
catch (Exception e) {
check = false;
Dialog d = new Dialog(this);
d.setTitle("Appointment Failed To Be Added 2");
TextView txt = new TextView(this);
txt.setText("Fail");
d.setContentView(txt);
d.show();
}
finally {
if(check) {
Dialog e = new Dialog(this);
e.setTitle("New Appointment Added.");
TextView txt = new TextView(this);
txt.setText("Success");
e.setContentView(txt);
e.show();
}
finish();
}
}
break;
case R.id.btnDeleteApp:
DBHandlerApp deleteApp = new DBHandlerApp(this, null, null);
deleteApp.open();
deleteApp.deleteAppointment(passedID);
deleteApp.close();
break;
}
}
public String setDate() {
Format formatterDate;
Calendar calendarDate = Calendar.getInstance();
calendarDate.set(Calendar.YEAR, editDatePicker.getYear());
calendarDate.set(Calendar.MONTH, editDatePicker.getMonth());
calendarDate.set(Calendar.DAY_OF_MONTH, editDatePicker.getDayOfMonth());
formatterDate = new SimpleDateFormat("dd-MMM-yyyy");
dateToSet = formatterDate.format(calendarDate.getTime());
return dateToSet;
}
public String setTime() {
Format formatter;
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.HOUR_OF_DAY, setTime.getCurrentHour());
calendar.set(Calendar.MINUTE, setTime.getCurrentMinute());
formatter = new SimpleDateFormat("HH:mm");
timeToSet = formatter.format(calendar.getTime());
return timeToSet;
}
}