如何在删除Sqlite数据库中的项目后取消android中的报警

我有一个访问提醒活动，在那里我可以获得诸如姓名、日期、时间和时间前提醒等信息。单击按钮后，我将此信息保存在本地sqlite数据库中。在“保存”按钮中单击，我将获取所有信息，然后设置警报以生成通知。我还可以选择查看所有提醒，以便删除或更新我的提醒。但当我删除我的提醒时，我仍然收到通知。为了在sqlite中保存数据并检索这些数据以设置报警，我编写了以下代码

public void saveButtonClick(View view) {

    long timeInMilliseconds = calendar1.getTimeInMillis();

    // Visit Reminder database for inserting patient visit data
    VisitReminderDatabase database = new VisitReminderDatabase(this);
    database.addVisitReminderItem(new VisitReminderModel(doctorName.getText().toString(), setDateValue, setTimeValue,
            timeInMilliseconds, spinnerValue));

    getDataFromDatabase();

    Toast.makeText(getApplicationContext(), "You have successfully added your reminder", Toast.LENGTH_SHORT).show();
}

public void getDataFromDatabase(){

    VisitReminderDatabase database = new VisitReminderDatabase(getApplicationContext());
    List<VisitReminderModel> list = database.getAllVisitReminders();

    for (VisitReminderModel model : list){
        Log.v("Id", String.valueOf(model.getId()));
        Log.v("Doctor Name", model.getDoctorName());
        Log.v("Set Date", model.getDate());
        Log.v("Set Time", model.getTime());
        Log.v("Time In milliseconds", String.valueOf(model.getTimeInMilliseconds()));
        Log.v("Reminds Before", model.getRemindsBefore());

        createPendingIntent(model.getDoctorName(), model.getId(), model.getTime(), model.getDate());

        createReminders(model.getTimeInMilliseconds(), model.getRemindsBefore());
    }
}

private void createPendingIntent(String name, int id, String time, String date){

    Intent intent = new Intent(getApplicationContext(), VisitReminderNotificationMessage.class);
    intent.putExtra("Id", id);
    intent.putExtra("Doctor Name", name);
    intent.putExtra("Date", date);
    intent.putExtra("Time", time);

    pendingIntent = PendingIntent.getBroadcast(getApplicationContext(), id, intent, 0);
}

}

用于显示我编写的所有提醒代码

public void saveButtonClick(View view) {

    long timeInMilliseconds = calendar1.getTimeInMillis();

    // Visit Reminder database for inserting patient visit data
    VisitReminderDatabase database = new VisitReminderDatabase(this);
    database.addVisitReminderItem(new VisitReminderModel(doctorName.getText().toString(), setDateValue, setTimeValue,
            timeInMilliseconds, spinnerValue));

    getDataFromDatabase();

    Toast.makeText(getApplicationContext(), "You have successfully added your reminder", Toast.LENGTH_SHORT).show();
}

public void getDataFromDatabase(){

    VisitReminderDatabase database = new VisitReminderDatabase(getApplicationContext());
    List<VisitReminderModel> list = database.getAllVisitReminders();

    for (VisitReminderModel model : list){
        Log.v("Id", String.valueOf(model.getId()));
        Log.v("Doctor Name", model.getDoctorName());
        Log.v("Set Date", model.getDate());
        Log.v("Set Time", model.getTime());
        Log.v("Time In milliseconds", String.valueOf(model.getTimeInMilliseconds()));
        Log.v("Reminds Before", model.getRemindsBefore());

        createPendingIntent(model.getDoctorName(), model.getId(), model.getTime(), model.getDate());

        createReminders(model.getTimeInMilliseconds(), model.getRemindsBefore());
    }
}

private void createPendingIntent(String name, int id, String time, String date){

    Intent intent = new Intent(getApplicationContext(), VisitReminderNotificationMessage.class);
    intent.putExtra("Id", id);
    intent.putExtra("Doctor Name", name);
    intent.putExtra("Date", date);
    intent.putExtra("Time", time);

    pendingIntent = PendingIntent.getBroadcast(getApplicationContext(), id, intent, 0);
}

私有类CustomAdapter扩展BaseAdapter实现ListAdapter{

private Context context;
private List<VisitReminderModel> data;

public CustomAdapter(Context context, List<VisitReminderModel> data){
    this.context = context;
    this.data = data;
}

@Override
public int getCount() {
    return data.size();
}

@Override
public Object getItem(int position) {
    return data.get(position);
}

@Override
public long getItemId(int position) {
    return 0;
}

@Override
public View getView(final int position, View convertView, ViewGroup parent) {

    ViewHolder holder;

    if (convertView == null){

        LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        convertView = inflater.inflate(R.layout.item_visit_reminder_list, parent, false);

        holder = new ViewHolder();
        holder.mDoctor = (TextView) convertView.findViewById(R.id.doctorNameTextView);
        holder.mDate = (TextView) convertView.findViewById(R.id.dateTextView);
        holder.mTime = (TextView) convertView.findViewById(R.id.timeTextView);
        holder.mRemindsBefore = (TextView) convertView.findViewById(R.id.remindsBeforeTextView);
        holder.mEdit = (Button) convertView.findViewById(R.id.editButton);
        holder.mDelete = (Button) convertView.findViewById(R.id.deleteButton);

        convertView.setTag(holder);
    } else {
        holder = (ViewHolder) convertView.getTag();
    }

    final VisitReminderModel model = data.get(position);

    holder.mDoctor.setText("Doctor Name " + model.getDoctorName());
    holder.mDate.setText("Date " + model.getDate());
    holder.mTime.setText("Time " + model.getTime());
    holder.mRemindsBefore.setText("Reminds Before " + model.getRemindsBefore());

    holder.mDelete.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            AlertDialog.Builder builder = new AlertDialog.Builder(context);
            builder.setMessage("Do you really want to delete");
            builder.setPositiveButton("YES", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {

                    Log.v("Time In milliseconds", String.valueOf(data.get(position).getTimeInMilliseconds()));
                    Log.v("Reminds Before Time", data.get(position).getRemindsBefore());

                    database.deleteVisitReminderItem(data.get(position));
                }
            });

            builder.setNegativeButton("CANCEL", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    dialog.dismiss();
                }
            });

            Dialog dialog = builder.create();
            dialog.show();
        }
    });

    return convertView;
}

private class ViewHolder{
    private TextView mDoctor;
    private TextView mDate;
    private TextView mTime;
    private TextView mRemindsBefore;

    private Button mEdit;
    private Button mDelete;
}

私有上下文；
私人名单数据；
公共CustomAdapter（上下文、列表数据）{
this.context=上下文；
这个数据=数据；
}
@凌驾
public int getCount（）{
返回data.size（）；
}
@凌驾
公共对象getItem（int位置）{
返回数据。获取（位置）；
}
@凌驾
公共长getItemId（int位置）{
返回0；
}
@凌驾
公共视图getView（最终整数位置、视图转换视图、视图组父视图）{
视窗座；
if（convertView==null）{
LayoutFlater充气器=（LayoutFlater）context.getSystemService（context.LAYOUT\u充气器\u服务）；
convertView=充气机。充气（R.layout.item\u Visite\u Requirement\u list，父项，false）；
holder=新的ViewHolder（）；
holder.mDoctor=（TextView）convertView.findViewById（R.id.doctorNameTextView）；
holder.mDate=（TextView）convertView.findViewById（R.id.dateTextView）；
holder.mTime=（TextView）convertView.findViewById（R.id.timeTextView）；
holder.mRemindsBefore=（TextView）convertView.findViewById（R.id.emendsBeforeTextView）；
holder.mEdit=（按钮）convertView.findViewById（R.id.editButton）；
holder.mDelete=（Button）convertView.findViewById（R.id.deleteButton）；
convertView.setTag（支架）；
}否则{
holder=（ViewHolder）convertView.getTag（）；
}
最终VisiteMinderModel=data.get（位置）；
holder.mDoctor.setText（“医生名”+model.getDoctorName（））；
holder.mDate.setText（“Date”+model.getDate（））；
holder.mTime.setText（“Time”+model.getTime（））；
holder.mRemindsBefore.setText（“在”+model.getemindsBefore（）之前提醒”）；
holder.mDelete.setOnClickListener（新视图.OnClickListener（）{
@凌驾
公共void onClick（视图v）{
AlertDialog.Builder=新建AlertDialog.Builder（上下文）；
setMessage（“您真的要删除吗”）；
builder.setPositiveButton（“是”，新建DialogInterface.OnClickListener（）{
@凌驾
public void onClick（DialogInterface dialog，int which）{
Log.v（“以毫秒为单位的时间”，String.valueOf（data.get（position.gettimeinmillizes（））；
Log.v（“在时间之前提醒”，data.get（position.getEmpturesBefore（））；
deleteVisiteMinderItem（data.get（position））；
}
});
setNegativeButton（“取消”，新建DialogInterface.OnClickListener（））{
@凌驾
public void onClick（DialogInterface dialog，int which）{
dialog.dismise（）；
}
});
Dialog=builder.create（）；
dialog.show（）；
}
});
返回视图；
}
私有类视窗持有者{
私有文本视图mDoctor；
私有文本视图mDate；
私有文本视图mTime；
私有文本视图mRemindsBefore；
私人按钮mEdit；
专用按钮mDelete；
}

}

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当我从数据库中删除该项时，我想取消之前设置的报警。请有人帮帮我。

使用以下代码删除设置报警。希望这对你有帮助

Intent myIntent = new Intent(context,VisitReminderNotificationMessage.class);
PendingIntent pendingIntent = PendingIntent.getService(context, id, myIntent, PendingIntent.FLAG_UPDATE_CURRENT);
AlarmManager alarmManager = (AlarmManager) context.getSystemService(VisitReminderNotificationMessage.ALARM_SERVICE);

alarmManager.cancel(pendingIntent);
pendingIntent.cancel();