Open another Activity on Button Click
Example Code:
MainActivity.java:
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package com.example.rameshnaidu.myapplication;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class MainActivity extends AppCompatActivity {
private Button Button1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button1 = (Button) findViewById(R.id.button);
Button1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
OpenActivity2();
}
});
}
public void OpenActivity2() {
Intent intent = new Intent(this, Main2Activity.class);
startActivity(intent);
}
}
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package com.example.rameshnaidu.myapplication;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class MainActivity extends AppCompatActivity {
private Button Button1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button1 = (Button) findViewById(R.id.button);
Button1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
OpenActivity2();
}
});
}
public void OpenActivity2() {
Intent intent = new Intent(this, Main2Activity.class);
startActivity(intent);
}
}
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Main2Activity.java:
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package com.example.rameshnaidu.myapplication;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class Main2Activity extends AppCompatActivity {
private Button Button2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
Button2 = (Button) findViewById(R.id.button2);
Button2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
OpenActivity1();
}
});
}
public void OpenActivity1() {
Intent intent = new Intent(this, MainActivity.class);
startActivity(intent);
}
}
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activity_main2.xml:
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<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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"
tools:context=".Main2Activity">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="126dp"
android:text="Activity 2"
android:textSize="25sp"
android:textColor="@color/colorSecondary"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="191dp"
android:text="Button" />
</RelativeLayout>
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activity_main.xml:
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<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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"
tools:context=".MainActivity">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="126dp"
android:text="Activity 1"
android:textSize="25sp"
android:textColor="@color/colorSecondary"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<Button
android:id="@+id/button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="144dp"
android:text="Button" />
</RelativeLayout>
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