Java for Android Development- Programmer Knows

Step1: Start with Creating a new Project>File>New>New Project

Step2: After creating the project

Below is the activity

First Activity:

<?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">

    <include
        android:id="@+id/toolbar"
        layout="@layout/activity_toolbar"
        >

    </include>
    <TextView
        android:id="@+id/Wamu"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="WAMU!"
        android:layout_marginTop="10dp"
        android:layout_marginLeft="20dp"
        android:textColor="#000"
        android:textSize="40dp"
        android:textStyle="bold"
        android:layout_below="@id/toolbar"
        >

    </TextView>
    <EditText
        android:id="@+id/ph1"
        android:layout_width="match_parent"
        android:layout_height="40dp"
        android:hint=" Phone Number or Email"
        android:drawableLeft="@drawable/email_sign"
        android:textSize="20dp"
        android:background="#fff"
        android:layout_marginLeft="20dp"
        android:layout_marginRight="20dp"
        android:layout_marginTop="10dp"
        android:layout_below="@id/Wamu"
        android:textColor="#000"

        />

    <EditText
        android:id="@+id/Pa2"
        android:layout_width="match_parent"
        android:layout_height="40dp"
        android:hint=" Password"
        android:inputType="textPassword"
        android:drawableLeft="@drawable/lock_open"
        android:background="#fff"
        android:layout_below="@id/ph1"
        android:layout_marginLeft="20dp"
        android:layout_marginRight="20dp"
        android:layout_marginTop="10dp"
        android:textColor="#000"
        android:textSize="20dp"

        >
</EditText>

    <Button
        android:id="@+id/login"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="#6A95CC"
        android:layout_marginLeft="40dp"
        android:layout_centerInParent="true"
        android:layout_marginTop="40dp"
        android:layout_below="@id/Pa2"
        android:text="Login"
        android:textSize="20dp"
        android:textColor="#fff"
>
</Button>
    <TextView
        android:id="@+id/or"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="OR"
        android:layout_centerInParent="true"
        android:layout_below="@id/login"
        android:layout_marginTop="10dp"
        android:layout_marginBottom="10dp"
        android:textSize="30dp"
        android:textColor="#000"
         />
    <Button
        android:id="@+id/caa"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="#6A95CC"
        android:layout_marginLeft="40dp"
        android:layout_centerInParent="true"
        android:text="Create an account"
        android:layout_below="@id/or"
        android:textSize="20dp"
        android:textColor="#fff"
        >
    </Button>

</RelativeLayout>


package com. example.e_commerce;

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 {
private Button button;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate( savedInstanceState );
setContentView( R.layout.activity_main );
button = findViewById( R.id.caa );
button.setOnClickListener( new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(MainActivity.this, Signup.class );
startActivity( intent );
}
});
}
}

Second Activity:

<?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">

    <include
        android:id="@+id/toolbar"
        layout="@layout/activity_toolbar"
        >

    </include>
    <TextView
        android:id="@+id/Wamu"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="WAMU!"
        android:layout_marginTop="@dimen/_10sdp"
        android:layout_marginLeft="@dimen/_20sdp"
        android:textColor="#000"
        android:textSize="@dimen/_40sdp"
        android:textStyle="bold"
        android:layout_below="@id/toolbar"
        >

    </TextView>
    <EditText
        android:id="@+id/ph1"
        android:layout_width="match_parent"
        android:layout_height="@dimen/_40sdp"
        android:hint=" Name"
        android:drawableLeft="@drawable/name_1"
        android:textSize="@dimen/_20sdp"
        android:background="#fff"
        android:layout_marginLeft="@dimen/_20sdp"
        android:layout_marginRight="@dimen/_20sdp"
        android:layout_marginTop="@dimen/_10sdp"
        android:layout_below="@id/Wamu"
        android:textColor="#000"

        />


    <EditText
        android:id="@+id/number"
        android:layout_width="match_parent"
        android:layout_height="@dimen/_40sdp"
        android:hint=" Number"
        android:drawableLeft="@drawable/number_2"
        android:background="#fff"
        android:layout_below="@id/ph1"
        android:layout_marginLeft="@dimen/_20sdp"
        android:layout_marginRight="@dimen/_20sdp"
        android:layout_marginTop="@dimen/_20sdp"
        android:textColor="#000"
        android:textSize="@dimen/_20sdp"

        >
    </EditText>

    <EditText
        android:id="@+id/email"
        android:layout_width="match_parent"
        android:layout_height="@dimen/_40sdp"
        android:hint=" Email"
        android:drawableLeft="@drawable/email_sign"
        android:background="#fff"
        android:layout_below="@id/number"
        android:layout_marginLeft="@dimen/_20sdp"
        android:layout_marginRight="@dimen/_20sdp"
        android:layout_marginTop="@dimen/_20sdp"
        android:textColor="#000"
        android:textSize="@dimen/_20sdp"

        >
    </EditText>

    <EditText
        android:id="@+id/password"
        android:layout_width="match_parent"
        android:layout_height="@dimen/_40sdp"
        android:hint=" Password"
        android:inputType="textPassword"
        android:drawableLeft="@drawable/lock_open"
        android:background="#fff"
        android:layout_below="@id/email"
        android:layout_marginLeft="@dimen/_20sdp"
        android:layout_marginRight="@dimen/_20sdp"
        android:layout_marginTop="@dimen/_20sdp"
        android:textColor="#000"
        android:textSize="@dimen/_20sdp"
        >
    </EditText>

    <Button
        android:id="@+id/register"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="#6A95CC"
        android:layout_marginLeft="@dimen/_40sdp"
        android:layout_centerInParent="true"
        android:layout_marginTop="@dimen/_40sdp"
        android:layout_below="@id/password"
        android:text="Register"
        android:textSize="@dimen/_20sdp"
        android:textColor="#fff"
        >
    </Button>
    <TextView
        android:id="@+id/or"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="OR"
        android:layout_centerInParent="true"
        android:layout_below="@id/register"
        android:layout_marginTop="@dimen/_10sdp"
        android:layout_marginBottom="@dimen/_10sdp"
        android:textSize="@dimen/_30sdp"
        android:textColor="#000"
        />
    <Button
        android:id="@+id/login"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="#6A95CC"
        android:layout_marginLeft="@dimen/_40sdp"
        android:layout_centerInParent="true"
        android:text="Log in"
        android:layout_below="@id/or"
        android:textSize="@dimen/_20sdp"
        android:textColor="#fff"
        >
    </Button>
</RelativeLayout>

package com.example.e_commerce;

import androidx.appcompat.app.AppCompatActivity;

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

public class Signup extends AppCompatActivity {
    private Button button;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_signup);
        button = findViewById(R.id.register);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(Signup.this, MainActivity.class);
                startActivity(intent);
            }
        });
    }
}

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First Activity:

Second Activity:

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