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Android DatePicker Example Code
The android.widget.DatePicker is the subclass of FrameLayout class.
Android DatePicker Example
We should see the straightforward sample of datepicker gadget in android.
activity_main.xml
File: activity_main.xml
<RelativeLayout xmlns:androclass="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginLeft="50dp"
android:layout_marginTop="36dp"
android:text="Current Date:" />
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="140dp"
android:text="Change Date" />
<DatePicker
android:id="@+id/datePicker1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/button1"
android:layout_centerHorizontal="true"
android:layout_marginBottom="30dp" />
</RelativeLayout>
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginLeft="50dp"
android:layout_marginTop="36dp"
android:text="Current Date:" />
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="140dp"
android:text="Change Date" />
<DatePicker
android:id="@+id/datePicker1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/button1"
android:layout_centerHorizontal="true"
android:layout_marginBottom="30dp" />
</RelativeLayout>
Activity class
File: MainActivity.java
package com.dheeruapps.datepicker2;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends Activity {
DatePicker picker;
Button displayDate;
TextView textview1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textview1=(TextView)findViewById(R.id.textView1);
picker=(DatePicker)findViewById(R.id.datePicker1);
displayDate=(Button)findViewById(R.id.button1);
textview1.setText(getCurrentDate());
displayDate.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View view) {
textview1.setText(getCurrentDate());
}
});
}
public String getCurrentDate(){
StringBuilder builder=new StringBuilder();
builder.append("Current Date: ");
builder.append((picker.getMonth() + 1)+"/");//month is 0 based
builder.append(picker.getDayOfMonth()+"/");
builder.append(picker.getYear());
return builder.toString();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends Activity {
DatePicker picker;
Button displayDate;
TextView textview1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textview1=(TextView)findViewById(R.id.textView1);
picker=(DatePicker)findViewById(R.id.datePicker1);
displayDate=(Button)findViewById(R.id.button1);
textview1.setText(getCurrentDate());
displayDate.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View view) {
textview1.setText(getCurrentDate());
}
});
}
public String getCurrentDate(){
StringBuilder builder=new StringBuilder();
builder.append("Current Date: ");
builder.append((picker.getMonth() + 1)+"/");//month is 0 based
builder.append(picker.getDayOfMonth()+"/");
builder.append(picker.getYear());
return builder.toString();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}
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