Android

Android TimePickerDialog Example
Author : Ishtek

Using Android API Level : 7 
In this tutorial we shall be covering Android's TimePickerDialog API with the help
of an example.

Final screen of this DatePickerDialog example would look like the below image:


In the following section I shall be covering through various files I coded/used
to get this example working. This example has only two views such as a EditView
and a TimePickerDialog widget from Android API.

Following is the main layout of this example.

main.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <EditText android:id="@+id/editText1" android:layout_width="200dip" android:layout_height="wrap_content" android:text=""> </EditText> <Button android:text="Time" android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content"> </Button> </LinearLayout>
Below file will give you some additional information like which version of Android API I am using for this example, such as minSdkVersion, intent-filters, activity name etc. AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.techienjoy.example" android:versionCode="1" android:versionName="1.0"> <uses-sdk android:minSdkVersion="7" /> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".TimePickerDalogExample" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> </manifest>
TimePickerDalogExample.java
package com.techienjoy.example; import java.util.StringTokenizer; import android.app.Activity; import android.app.TimePickerDialog; import android.app.TimePickerDialog.OnTimeSetListener; import android.content.res.Resources.Theme; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.TimePicker; public class TimePickerDalogExample extends Activity { private EditText edTxt = null; private TimePickerDialog timePickDialog = null; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); edTxt = (EditText) findViewById(R.id.editText1); Button but1 = (Button) findViewById(R.id.button1); but1.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { String time = edTxt.getText().toString(); if (time != null && !time.equals("")) { StringTokenizer st = new StringTokenizer(time, ":"); String timeHour = st.nextToken(); String timeMinute = st.nextToken(); timePickDialog = new TimePickerDialog(v.getContext(), new TimePickHandler(), Integer.parseInt(timeHour), Integer.parseInt(timeMinute), true); } else { timePickDialog = new TimePickerDialog(v.getContext(), new TimePickHandler(), 10, 45, true); } timePickDialog.show(); } }); } private class TimePickHandler implements OnTimeSetListener { @Override public void onTimeSet(TimePicker view, int hourOfDay, int minute) { edTxt.setText(hourOfDay + ":" + minute); timePickDialog.hide(); } } }
Above source code is just to accomplish this example and get it working as soon as possible. You may find coding a bit monolithic and not doing any useful stuffs in general. TimePickerDialog widget from Android API can be used as it is as I have shown in the source code above. inner class TimePickHandler is used for receiving any callback on time set button is clicked.
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