Explicit Intent

intent

intent

main.xml

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

<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"

    android:background="@android:color/holo_blue_light"

    tools:context="com.blogspot.csdevbin.explicitintent.Main">

    <Button

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Go to another activity"

        android:id="@+id/button"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="136dp" />

</RelativeLayout>

another.xml

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

<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"

    android:background="@android:color/holo_red_dark"

    tools:context="com.blogspot.csdevbin.explicitintent.Another">

    <Button

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="go to first activity"

        android:id="@+id/button2"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="153dp" />

</RelativeLayout>

Main.java

package com.blogspot.csdevbin.explicitintent;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class Main extends AppCompatActivity {

  
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        Button b1 =(Button)findViewById(R.id.button);
        b1.setOnClickListener(new View.OnClickListener() {
           
            public void onClick(View v) {
                Intent in = new Intent(Main.this,Another.class);
                startActivity(in);
            }
        });
    }
}

Another.java

package com.blogspot.csdevbin.explicitintent;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class Another extends AppCompatActivity {

 
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.another);
        Button b2 =(Button)findViewById(R.id.button2);
        b2.setOnClickListener(new View.OnClickListener() {
         
            public void onClick(View v) {
                Intent in = new Intent(Another.this,Main.class);
                startActivity(in);
            }
        });
    }
}