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android - 如何借助Timepicker设置时间? 12 小时格式

转载 作者:行者123 更新时间:2023-11-30 00:58:41 26 4
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我设置了时间选择器,它工作得很好,但问题是我想设置成 5:00 AM,我得到了 24 小时格式的输出,但我要设置 12 小时格式。

这里是代码:-

    package com.example.sachin.timepicker;

import android.app.Activity;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.app.TimePickerDialog;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.TimePicker;
import android.widget.Toast;

import java.util.Calendar;
import java.util.HashMap;
import java.util.Locale;

public class MainActivity extends Activity {
boolean isFromClicked = false;

TextView tvDisplayTime, tvDisplayTime1;
EditText btnChangeTime, btnChangeTime1, addtaskname, addtaskdetail;
Button addtaskbtn;
private int hour;
private int minute;
String addtask, adddetail, addstart, addend;
static final int TIME_DIALOG_ID = 999;
private static String url_addevent = "http://10.0.2.2/portal/index.php";

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btnChangeTime = (EditText) findViewById(R.id.btnChangeTime);
btnChangeTime1 = (EditText) findViewById(R.id.btnChangeTime1);
addtaskname = (EditText) findViewById(R.id.addtaskname);
addtaskdetail = (EditText) findViewById(R.id.addtaskdetail);

addtaskbtn = (Button) findViewById(R.id.addtaskbtn);
addtaskbtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
addtask = addtaskname.getText().toString();
addstart = btnChangeTime.getText().toString();
addend = btnChangeTime1.getText().toString();
adddetail = addtaskdetail.getText().toString();

if (addtask.equals(null) || addtask.equals("")) {
Toast.makeText(getApplicationContext(), "Please Add Name !", Toast.LENGTH_LONG).show();
} else if (addstart.equals(null) || addstart.equals("")) {
Toast.makeText(getApplicationContext(), "Please Add Duty!", Toast.LENGTH_LONG).show();
} else if (addend.equals(null) || addend.equals("")) {
Toast.makeText(getApplicationContext(), "Please Add Number!", Toast.LENGTH_LONG).show();
} else if (adddetail.equals(null) || adddetail.equals("")) {
Toast.makeText(getApplicationContext(), "Please Add Number!", Toast.LENGTH_LONG).show();
} else {

securityUser();

Toast.makeText(getApplicationContext(), "Event Added Successfully. !", Toast.LENGTH_LONG).show();
}
}
});


setCurrentTimeOnView();
addListenerOnButton();

}

private void securityUser() {
daily_task(addtask, addstart, addend, adddetail);
}

private void daily_task(String addtask, String addstart, String addend, String adddetail) {

class eventUser extends AsyncTask<String, Void, String> {
ProgressDialog loading;
RegisterUserClass ruc = new RegisterUserClass();

//@Override
protected void onPreExecute() {
// Create a progressdialog
super.onPreExecute();
// loading = ProgressDialog.show(getApplicationContext(), "Please Wait...!!!", null, true, true);
}

@Override
protected String doInBackground(String... params) {

HashMap<String, String> param = new HashMap<String, String>();

param.put("dt_tname", params[0]);
param.put("dt_stime", params[1]);
param.put("dt_etime", params[2]);
param.put("dt_detail", params[3]);

String result = ruc.sendPostRequest(url_addevent, param);
Log.d("Result", result);
Log.d("Data", param.toString());
return result;
}

//@Override
protected void onPostExecute(String result) {
super.onPostExecute(result);

// loading.dismiss();
Toast.makeText(getApplicationContext(), "Security Added Successfully...!!!", Toast.LENGTH_LONG).show();
/* Intent i1 = new Intent(getApplicationContext(), HomeActivity.class);
startActivity(i1);*/
}
}

eventUser regi = new eventUser();
regi.execute(addtask, addstart, addend, adddetail);
}


// display current time
public void setCurrentTimeOnView() {

btnChangeTime = (EditText) findViewById(R.id.btnChangeTime);
btnChangeTime1 = (EditText) findViewById(R.id.btnChangeTime1);
// timePicker1 = (TimePicker) findViewById(R.id.timePicker1);

final Calendar c = Calendar.getInstance();
hour = c.get(Calendar.HOUR);
minute = c.get(Calendar.MINUTE);

// set current time into textview
btnChangeTime.setText(new StringBuilder().append(pad(hour)).append(":")
.append(pad(minute)));
btnChangeTime1.setText(new StringBuilder().append(pad(hour)).append(":")
.append(pad(minute)));

// set current time into timepicker
//timePicker1.setCurrentHour(hour);
//timePicker1.setCurrentMinute(minute);

}

public void addListenerOnButton() {

btnChangeTime = (EditText) findViewById(R.id.btnChangeTime);
btnChangeTime1 = (EditText) findViewById(R.id.btnChangeTime1);

btnChangeTime.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {

showDialog(TIME_DIALOG_ID);
isFromClicked = false;


}

});


btnChangeTime1.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {

showDialog(TIME_DIALOG_ID);
isFromClicked = true;


}

});

}


@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case TIME_DIALOG_ID:
// set time picker as current time
return new TimePickerDialog(this, timePickerListener, hour, minute,
false);

}
return null;
}

}
private TimePickerDialog.OnTimeSetListener timePickerListener = new TimePickerDialog.OnTimeSetListener() {
public void onTimeSet(TimePicker view, int selectedHour,
int selectedMinute) {
hour = selectedHour;
minute = selectedMinute;

// set current time into textview
if ( isFromClicked )
btnChangeTime1.setText(new StringBuilder().append(pad(hour))
.append(":").append(pad(minute)));
else
btnChangeTime.setText(new StringBuilder().append(pad(hour))
.append(":").append(pad(minute)));
// set current time into timepicker
// timePicker1.setCurrentHour(hour);
// timePicker1.setCurrentMinute(minute);

}
};

private static String pad(int c) {
if (c >= 10)
return String.valueOf(c);
else
return "0" + String.valueOf(c);
}
}

上面的代码是我的完整代码,请帮我做同样的代码

最佳答案

你可以使用下面的转换

@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
int hour = hourOfDay % 12;
if (hour == 0) hour = 12;
String _AM_PM = (hourOfDay > 12) ? "PM" : "AM";
System.out.println(String.format(Locale.getDefault(), "%02d:%02d %s", hour, minute, _AM_PM));
}

当您从 TimePickerDialog 中选择时间时,将调用此重写函数。

完整答案

    package com.example.sachin.timepicker;

import android.app.Activity;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.app.TimePickerDialog;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.TimePicker;
import android.widget.Toast;

import java.util.Calendar;
import java.util.HashMap;
import java.util.Locale;

public class MainActivity extends Activity {
boolean isFromClicked = false;

TextView tvDisplayTime, tvDisplayTime1;
EditText btnChangeTime, btnChangeTime1, addtaskname, addtaskdetail;
Button addtaskbtn;
private int hour;
private int minute;
String addtask, adddetail, addstart, addend;
static final int TIME_DIALOG_ID = 999;
private static String url_addevent = "http://10.0.2.2/portal/index.php";

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btnChangeTime = (EditText) findViewById(R.id.btnChangeTime);
btnChangeTime1 = (EditText) findViewById(R.id.btnChangeTime1);
addtaskname = (EditText) findViewById(R.id.addtaskname);
addtaskdetail = (EditText) findViewById(R.id.addtaskdetail);

addtaskbtn = (Button) findViewById(R.id.addtaskbtn);
addtaskbtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
addtask = addtaskname.getText().toString();
addstart = btnChangeTime.getText().toString();
addend = btnChangeTime1.getText().toString();
adddetail = addtaskdetail.getText().toString();

if (addtask.equals(null) || addtask.equals("")) {
Toast.makeText(getApplicationContext(), "Please Add Name !", Toast.LENGTH_LONG).show();
} else if (addstart.equals(null) || addstart.equals("")) {
Toast.makeText(getApplicationContext(), "Please Add Duty!", Toast.LENGTH_LONG).show();
} else if (addend.equals(null) || addend.equals("")) {
Toast.makeText(getApplicationContext(), "Please Add Number!", Toast.LENGTH_LONG).show();
} else if (adddetail.equals(null) || adddetail.equals("")) {
Toast.makeText(getApplicationContext(), "Please Add Number!", Toast.LENGTH_LONG).show();
} else {
securityUser();
Toast.makeText(getApplicationContext(), "Event Added Successfully. !", Toast.LENGTH_LONG).show();
}
}
});
setCurrentTimeOnView();
addListenerOnButton();
}

private void securityUser() {
daily_task(addtask, addstart, addend, adddetail);
}

private void daily_task(String addtask, String addstart, String addend, String adddetail) {

class eventUser extends AsyncTask<String, Void, String> {
ProgressDialog loading;
RegisterUserClass ruc = new RegisterUserClass();

//@Override
protected void onPreExecute() {
// Create a progressdialog
super.onPreExecute();
// loading = ProgressDialog.show(getApplicationContext(), "Please Wait...!!!", null, true, true);
}

@Override
protected String doInBackground(String... params) {

HashMap<String, String> param = new HashMap<String, String>();

param.put("dt_tname", params[0]);
param.put("dt_stime", params[1]);
param.put("dt_etime", params[2]);
param.put("dt_detail", params[3]);

String result = ruc.sendPostRequest(url_addevent, param);
Log.d("Result", result);
Log.d("Data", param.toString());
return result;
}

//@Override
protected void onPostExecute(String result) {
super.onPostExecute(result);

// loading.dismiss();
Toast.makeText(getApplicationContext(), "Security Added Successfully...!!!", Toast.LENGTH_LONG).show();
/* Intent i1 = new Intent(getApplicationContext(), HomeActivity.class);
startActivity(i1);*/
}
}

eventUser regi = new eventUser();
regi.execute(addtask, addstart, addend, adddetail);
}


// display current time
public void setCurrentTimeOnView() {

btnChangeTime = (EditText) findViewById(R.id.btnChangeTime);
btnChangeTime1 = (EditText) findViewById(R.id.btnChangeTime1);
// timePicker1 = (TimePicker) findViewById(R.id.timePicker1);

final Calendar c = Calendar.getInstance();
hour = c.get(Calendar.HOUR);
minute = c.get(Calendar.MINUTE);

// set current time into textview
btnChangeTime.setText(getTimeText(hour, minute));
btnChangeTime1.setText(getTimeText(hour, minute));

// set current time into timepicker
//timePicker1.setCurrentHour(hour);
//timePicker1.setCurrentMinute(minute);

}

public void addListenerOnButton() {

btnChangeTime = (EditText) findViewById(R.id.btnChangeTime);
btnChangeTime1 = (EditText) findViewById(R.id.btnChangeTime1);

btnChangeTime.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
showTimePickerDialog();
isFromClicked = false;
}

});

btnChangeTime1.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
showTimePickerDialog();
isFromClicked = true;
}

});
}

private TimePickerDialog.OnTimeSetListener timePickerListener = new TimePickerDialog.OnTimeSetListener() {
public void onTimeSet(TimePicker view, int selectedHour,
int selectedMinute) {
hour = selectedHour;
minute = selectedMinute;
// set current time into textview
if (isFromClicked)
btnChangeTime1.setText(getTimeText(hour, minute));
else
btnChangeTime.setText(getTimeText(hour, minute));
// set current time into timepicker
// timePicker1.setCurrentHour(hour);
// timePicker1.setCurrentMinute(minute);
}
};

private void showTimePickerDialog() {
new TimePickerDialog(this, timePickerListener, hour, minute, true).show();
}

private String getTimeText(int hourOfDay, int minute) {
int hour = hourOfDay % 12;
if (hour == 0) hour = 12;
String _AM_PM = (hourOfDay > 12) ? "PM" : "AM";
return String.format(Locale.getDefault(), "%02d:%02d %s", hour, minute, _AM_PM);
}
}

关于android - 如何借助Timepicker设置时间? 12 小时格式,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/39762804/

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