Onclick one to another Activity in android studio

How to Go from one activity to another and another activity to the first activity

 In this post, I am going to show you how to move the one activity to another on the click button.

In this post, we will use onclick method without used ID.

the simple method to go from one activity to another and another activity to the first activity easily.

When the user clicks on the button, the user redirects another Activity and another Activity click on Link then the user redirect first Activity.

Here Given step by step with source code

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    tools:context=".MainActivity">

    <Button
        android:id="@+id/btnsubmit"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:onClick="submit"
        android:text="submit" />
</LinearLayout>

MainActivity.java

package com.example.one2another;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.view.View;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate ( savedInstanceState );
        setContentView ( R.layout.activity_main );
    }

    public void submit(View view) {
        startActivity ( new Intent ( MainActivity.this,Main2Activity.class ) );
    }
}

activity_main2.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    tools:context=".Main2Activity">
<TextView
    android:id="@+id/firstactivity"
    android:onClick="firstactivity"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Second Activity"
    android:textSize="30sp">
</TextView>
</LinearLayout>

Main2Activity.java

package com.example.one2another;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.view.View;

public class Main2Activity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate ( savedInstanceState );
        setContentView ( R.layout.activity_main2 );

    }

    public void firstactivity(View view) {
        startActivity ( new Intent (Main2Activity.this,MainActivity.class  ) );
    }
}

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