Programming Brothers

 MainActivity.java package com.example.activityinsideactivity ; import androidx.appcompat.app.AppCompatActivity ; import android.content.Intent ; import android.os.Bundle ; import android.view.View ; import android.widget.Button ; public class MainActivity extends AppCompatActivity { @Override protected void onCreate (Bundle savedInstanceState) { super .onCreate(savedInstanceState) ; setContentView(R.layout. activity_main ) ; Button secondActivity=findViewById(R.id. secondActivity ) ; secondActivity.setOnClickListener( new View.OnClickListener() { @Override public void onClick (View view) { Intent secondActivityIntent= new Intent(MainActivity. this, SecondActivity. class ) ; startActivity(secondActivityIntent) ; } }) ; } } SecondActivity.java package com.example.activityinsideactivity ; import androidx.appcompat.app.AppCompatActivity ; import android.content.Inten...

 MainActivity.java package com.example.multipleactivityapplication ; import androidx.appcompat.app.AppCompatActivity ; import android.content.Intent ; import android.os.Bundle ; import android.view.View ; import android.widget.Button ; public class MainActivity extends AppCompatActivity { @Override protected void onCreate (Bundle savedInstanceState) { super .onCreate(savedInstanceState) ; setContentView(R.layout. activity_main ) ; Button secondactivity=(Button) findViewById(R.id. button ) ; Button thirdactivity=(Button) findViewById(R.id. button2 ) ; Button fourthactivity=(Button) findViewById(R.id. button3 ) ; //set ClickListener for buttons secondactivity.setOnClickListener( new View.OnClickListener() { @Override public void onClick (View view) { //pass Intent to call an Activity Intent secondactivityintent= new Intent(MainActivity. this, SecondActivity. class )...

MainActivity.Javva package com.example.internetsearchapplication ; import androidx.appcompat.app.AppCompatActivity ; import android.content.Intent ; import android.net.Uri ; import android.os.Bundle ; import android.view.View ; import android.widget.Button ; public class MainActivity extends AppCompatActivity { @Override protected void onCreate (Bundle savedInstanceState) { super .onCreate(savedInstanceState) ; setContentView(R.layout. activity_main ) ; Button google=findViewById(R.id. google ) ; Button youtube=findViewById(R.id. youtube ) ; google.setOnClickListener( new View.OnClickListener() { @Override public void onClick (View view) { gotoUrl( "https://search.google.com/" ) ; } }) ; youtube.setOnClickListener( new View.OnClickListener() { @Override public void onClick (View view) { gotoUrl( "https://www.youtube.c...