How to Move Intent Android Java Part 5
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Hello everyone, welcome back with us, of course, this time we are already in part 5 in learning Android Java and we will learn how to move intents from one place to another.
What this means is that when we are in the activity login, then we want to move to the activity register, so that's called Intent and we want to try it.
1. We fill in 📁 res - layout - 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:orientation="vertical"
android:padding="20dp"
tools:context=".MainActivity"
android:background="@color/teal_700">
<ImageView
android:layout_width="53dp"
android:layout_height="97dp"
android:layout_gravity="center"
android:layout_marginBottom="20dp"
android:paddingTop="20dp"
android:src="@drawable/user" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Login"
android:textSize="35dp"
android:layout_gravity="center"
android:paddingBottom="25dp"
android:textColor="@color/white"/>
<!--Input Email-->
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="Email"
android:inputType="textEmailAddress" />
</com.google.android.material.textfield.TextInputLayout>
<!--Input Password-->
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="20dp">
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="Password"
android:inputType="textPassword" />
</com.google.android.material.textfield.TextInputLayout>
<!-- Button Login -->
<Button
android:id="@+id/buttonLogin"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:backgroundTint="@color/material_dynamic_secondary20"
android:text="Login" />
<!-- Button Register -->
<Button
android:id="@+id/btnRegister"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Register"
android:backgroundTint="@color/material_dynamic_secondary20"/>
</LinearLayout>
Pay attention to the Button ID register, we created it with the name btnRegister, so when we click the button with the id btnRegister it will do something (event / clickOnListener) which we instruct it to move to the activity register.
Next, we create a new activity with the name RegisterActivity, then we edit on the part 📁 res - layout - activity_register.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:orientation="vertical"
android:padding="20dp"
tools:context=".RegisterActivity"
android:background="@color/teal_700">
<ImageView
android:layout_width="53dp"
android:layout_height="97dp"
android:layout_gravity="center"
android:layout_marginBottom="20dp"
android:paddingTop="20dp"
android:src="@drawable/user" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Register"
android:textSize="35dp"
android:layout_gravity="center"
android:paddingBottom="25dp"
android:textColor="@color/white"/>
<!--Input Username-->
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="Username"
android:inputType="text" />
</com.google.android.material.textfield.TextInputLayout>
<!--Input Email-->
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="Email"
android:layout_marginTop="20dp"
android:inputType="textEmailAddress" />
</com.google.android.material.textfield.TextInputLayout>
<!--Input Password-->
<com.google.android.material.textfield.TextInputLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="20dp">
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="Password"
android:inputType="textPassword" />
</com.google.android.material.textfield.TextInputLayout>
<!-- Button Register -->
<Button
android:id="@+id/buttonRegister"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Register"
android:backgroundTint="@color/material_dynamic_secondary20"/>
<TextView
android:id="@+id/txtLogin"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Sudah daftar ? Silahkan login di sini"
android:textSize="20sp"
android:paddingTop="10dp"
android:textColor="@color/white"></TextView>
</LinearLayout>
Pay attention to the TextView with the txtLogin id, now the function is the same as the register button, when we click on the text it will move to the login activity.
# Create Logic Or Event Or Command
We enter MainActivity, then you edit it as below:
package com.geraldprambudi.newblogjava;
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);
//
we initialize the button btnRegisterButton btnRegister = findViewById(R.id.btnRegister);
//
when we click the button then MainActivity will move toRegisterActivity
btnRegister.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
startActivity(new Intent(MainActivity.this, RegisterActivity.class));
}
});
}
}
Next we edit the section RegisterActivity
package com.geraldprambudi.newblogjava;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;
public class RegisterActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_register);
// We do the initialization first
TextView txtLogin = findViewById(R.id.txtLogin);
//
if we click the login text, it will move towardsMainActivity (LOGIN) Back
txtLogin.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
startActivity(new Intent(RegisterActivity.this, MainActivity.class));
}
});
}
}
Next, let's run it...
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