Android Button OnClickListener Example

 Android Button OnClickListener Example

In this programming today, learn the Android button on the clicklistener example.

1.Main Activity.java:

import android.os.Bundle;

import android.app.Activity;

import android.content.Intent;

import android.view.Menu;

import android.view.View;

import android.widget.Button;

 

public class MainActivity extends Activity {

 

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        Button next = (Button) findViewById(R.id.next);

        next.setOnClickListener(new View.OnClickListener() {

 

            @Override

            public void onClick(View v) {

                // TODO Auto-generated method stub

                startActivity(new Intent("com.example.creating_action_button.second"));

    //            finish();

            }

        });

    }

 

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.

        getMenuInflater().inflate(R.menu.main, menu);

        return true;

    }

 

}

2.Second_Activity.java:

import android.app.Activity;

import android.os.Bundle;

 

public class second_activity extends Activity {

 

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        // TODO Auto-generated method stub

        super.onCreate(savedInstanceState);

        setContentView(R.layout.second_activity);

    }

}

3.activity_main.xml:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context=".MainActivity" >

 

    <TextView

        android:id="@+id/textView1"

        android:layout_width="match_parent"

        android:layout_height="258dp"

        android:layout_alignParentLeft="true"

        android:layout_alignParentTop="true"

        android:layout_marginLeft="25dp"

        android:layout_marginTop="78dp"

        android:text="This is first Activity"

        android:background="@drawable/ic_launcher"

        android:textAppearance="?android:attr/textAppearanceLarge" />

 

    <Button

        android:id="@+id/next"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:layout_alignLeft="@+id/textView1"

        android:layout_alignParentBottom="true"

        android:layout_marginBottom="20dp"

        android:text="Next" />

 

</RelativeLayout>

4.activity_Second_Activity:

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:background="@drawable/background1"

    android:orientation="vertical" >

 

    <TextView

        android:id="@+id/textView1"

        android:layout_width="match_parent"

        android:layout_height="250dp"

        android:gravity="center"

        android:text="Welcome to the second Activity"

        android:textAppearance="?android:attr/textAppearanceLarge" />

 

</LinearLayout>