我正在为约会提醒创建警报警报，因为我正在使用以下代码。代码运行良好，它向我显示警报警报，但唯一的问题是，它不能区分上午和下午之间的警报，假设我将警报设置为上午 7 点和目前晚上 7 点在设备中，然后我的警报对话框也会显示。我该如何管理上午和下午？我将此链接用于参考
AlertDemo.class
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.view.WindowManager.LayoutParams;
public class AlertDemo extends DialogFragment {
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
/** Turn Screen On and Unlock the keypad when this alert dialog is displayed */
getActivity().getWindow().addFlags(LayoutParams.FLAG_TURN_SCREEN_ON | LayoutParams.FLAG_DISMISS_KEYGUARD);
/** Creating a alert dialog builder */
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
/** Setting title for the alert dialog */
builder.setTitle("Alarm");
/** Setting the content for the alert dialog */
builder.setMessage("An Alarm by AlarmManager");
/** Defining an OK button event listener */
builder.setPositiveButton("OK", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
/** Exit application on click OK */
getActivity().finish();
}
});
/** Creating the alert dialog window */
return builder.create();
}
/** The application should be exit, if the user presses the back button */
@Override
public void onDestroy() {
super.onDestroy();
getActivity().finish();
}
}
约会.class
import java.text.DateFormatSymbols;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.GregorianCalendar;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.TimePickerDialog;
import android.app.TimePickerDialog.OnTimeSetListener;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TimePicker;
import android.widget.Toast;
public class Appointment extends Activity {
Button date, time, save;
private static final int DIALOG_DATE = 1;
private static final int DIALOG_TIME = 2;
private int year;
private int month;
private int day;
int i;
String strmonth, strday, stryear;
String months[] = { "January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December" };
int intmonth, intday, intyear, inthour, intminutes;
Calendar c = Calendar.getInstance();
private SimpleDateFormat timeFormatter;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.doctor_appointment);
year = c.get(Calendar.YEAR);
month = c.get(Calendar.MONTH);
day = c.get(Calendar.DAY_OF_MONTH);
date = (Button) findViewById(R.id.btnsetdate);
time = (Button) findViewById(R.id.btnsettime);
save = (Button) findViewById(R.id.btnsave);
timeFormatter = new SimpleDateFormat("hh:mm a");
// c.set(Calendar.MONTH, 4);
date.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
showDialog(DIALOG_DATE);
}
});
time.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
showDialog(DIALOG_TIME);
}
});
save.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Intent i = new Intent("com.example.healthmanager.DemoActivity");
/** Creating a Pending Intent */
PendingIntent operation = PendingIntent.getActivity(
getBaseContext(), 0, i, Intent.FLAG_ACTIVITY_NEW_TASK);
/** Getting a reference to the System Service ALARM_SERVICE */
AlarmManager alarmManager = (AlarmManager) getBaseContext()
.getSystemService(ALARM_SERVICE);
String strtime = time.getText().toString();
Log.v("str btntime", strtime);
String[] splitstrtime = strtime.split(":");
Log.v("timestr1", splitstrtime[0]);
Log.v("timestr2", splitstrtime[1]);
int splithour = Integer.parseInt(splitstrtime[0]);
String[] splitsecond = splitstrtime[1].split(" ");
Log.v("split str second", splitsecond[0]);
int splitmin = Integer.parseInt(splitsecond[0]);
/**
* Creating a calendar object corresponding to the date and time
* set by the user
*/
// GregorianCalendar calendar = new
// GregorianCalendar(year,month,day, hour, minute);
GregorianCalendar calendar = new GregorianCalendar(intyear,
intmonth, intday, splithour, splitmin);
/**
* Converting the date and time in to milliseconds elapsed since
* epoch
*/
long alarm_time = calendar.getTimeInMillis();
/** Setting an alarm, which invokes the operation at alart_time */
alarmManager
.set(AlarmManager.RTC_WAKEUP, alarm_time, operation);
/** Alert is set successfully */
Toast.makeText(getBaseContext(), "Alarm is set successfully",
Toast.LENGTH_SHORT).show();
}
});
}
// For date dialog
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DIALOG_DATE:
return new DatePickerDialog(this, datePickerListener, year, month,
day);
case DIALOG_TIME:
return new TimePickerDialog(this, new OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
c.set(Calendar.HOUR_OF_DAY, hourOfDay);
c.set(Calendar.MINUTE, minute);
time.setText(timeFormatter.format(c.getTime()));
}
}, c.get(Calendar.HOUR_OF_DAY), c.get(Calendar.MINUTE), false);
}
return null;
}
// For date
private DatePickerDialog.OnDateSetListener datePickerListener = new DatePickerDialog.OnDateSetListener() {
public void onDateSet(DatePicker view, int year1, int monthOfYear,
int dayOfMonth) {
year = year1;
month = monthOfYear;
day = dayOfMonth;
// date.setText(dateFormatter.format(dateTime.getTime()));
updateDisplay();
}
};
public String getMonthForInt(int m) {
String month = "invalid";
DateFormatSymbols dfs = new DateFormatSymbols();
String[] months = dfs.getMonths();
if (m >= 0 && m <= 11) {
month = months[m];
}
return month;
}
private void updateDisplay() {
// String strDOB = month + 1 + "/" + day + "/" + year;
// Log.v("strDOB : ", strDOB);
intmonth = month;
intday = day;
intyear = year;
strmonth = Integer.toString(intmonth);
strday = Integer.toString(intday);
stryear = Integer.toString(intyear);
Log.v("month value", strmonth);
Log.v("day value", strday);
Log.v("year value", stryear);
// int one=7;
// Log.v("string limit",one.length());
for (i = 0; i < intmonth; i++) {
String strone = Integer.toString(intmonth);
strone = months[i];
// String intmonth=Integer.toString(months);
}
Log.v("month value", months[i].toString());
date.setText(months[i] + " " + day + "," + year);
}
}
DemoActivity.class
public class DemoActivity extends FragmentActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
/** Creating an Alert Dialog Window */
AlertDemo alert = new AlertDemo();
/** Opening the Alert Dialog Window */
alert.show(getSupportFragmentManager(), "AlertDemo");
}
}