Creating a Modern UI with Material Dark Theme in Android

The Material Dark theme offers a visually appealing dark interface that enhances readability in low-light environments and provides a sleek, modern look for your Android applications. In this blog, we'll walk through the steps to implement a simple Android UI using the Material Dark theme.

Setting Up the Material Dark Theme

First, ensure you have the necessary dependencies in your build.gradle file.

Step 1: Add Dependencies

Open your build.gradle file and add the Material Components dependency:

dependencies {
    implementation 'com.google.android.material:material:1.8.0'
    implementation 'androidx.appcompat:appcompat:1.3.1'
    implementation 'androidx.core:core-ktx:1.6.0'
}

dependencies {

implementation 'com.google.android.material:material:1.8.0'

implementation 'androidx.appcompat:appcompat:1.3.1'

implementation 'androidx.core:core-ktx:1.6.0'

}

Step 2: Define the Theme in styles.xml

Open your res/values/styles.xml file and define the Material Dark theme:

<resources>
    <!-- Base application theme -->
    <style name="AppTheme" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
        <!-- Customize your theme here -->
        <item name="colorPrimary">@color/purple_500</item>
        <item name="colorPrimaryDark">@color/purple_700</item>
        <item name="colorAccent">@color/teal_200</item>
    </style>
</resources>

<item name="colorPrimary">@color/purple_500</item>

<item name="colorPrimaryDark">@color/purple_700</item>

<item name="colorAccent">@color/teal_200</item>

</style>

</resources>

Example: Creating a Simple UI with Material Dark Theme

Let’s create a simple UI that includes a welcome message and a button, all styled with the Material Dark theme.

Step 3: Define the Layout

Create an XML layout file (activity_main.xml) with the following content:

<com.google.android.material.textfield.TextInputLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="16dp">

    <com.google.android.material.textfield.TextInputEditText
        android:id="@+id/inputEditText"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Enter text"
        android:inputType="text" />

    <com.google.android.material.button.MaterialButton
        android:id="@+id/submitButton"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Submit"
        android:layout_marginTop="16dp"
        app:cornerRadius="8dp"
        android:backgroundTint="@color/teal_200"
        android:textColor="@android:color/black" />
</com.google.android.material.textfield.TextInputLayout>

<com.google.android.material.textfield.TextInputLayout

xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:padding="16dp">

<com.google.android.material.textfield.TextInputEditText

android:id="@+id/inputEditText"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:hint="Enter text"

android:inputType="text" />

<com.google.android.material.button.MaterialButton

android:id="@+id/submitButton"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:text="Submit"

android:layout_marginTop="16dp"

app:cornerRadius="8dp"

android:backgroundTint="@color/teal_200"

android:textColor="@android:color/black" />

</com.google.android.material.textfield.TextInputLayout>

Step 4: Initialize in Activity

In your MainActivity.java or MainActivity.kt file, initialize the views and add any necessary functionality.

Java

package com.example.materialdarktheme;

import android.os.Bundle;
import androidx.appcompat.app.AppCompatActivity;
import com.google.android.material.button.MaterialButton;
import com.google.android.material.textfield.TextInputEditText;
import com.google.android.material.textfield.TextInputLayout;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

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

        TextInputLayout textInputLayout = findViewById(R.id.inputEditText);
        TextInputEditText textInputEditText = findViewById(R.id.inputEditText);
        MaterialButton submitButton = findViewById(R.id.submitButton);

        submitButton.setOnClickListener(v -> {
            String inputText = textInputEditText.getText().toString();
            if (inputText.isEmpty()) {
                Toast.makeText(MainActivity.this, "Please enter some text", Toast.LENGTH_SHORT).show();
            } else {
                // Handle the input text
                Toast.makeText(MainActivity.this, "You entered: " + inputText, Toast.LENGTH_SHORT).show();
            }
        });
    }
}

package com.example.materialdarktheme;

import android.os.Bundle;

import androidx.appcompat.app.AppCompatActivity;

import com.google.android.material.button.MaterialButton;

import com.google.android.material.textfield.TextInputEditText;

import com.google.android.material.textfield.TextInputLayout;

import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

TextInputLayout textInputLayout = findViewById(R.id.inputEditText);

TextInputEditText textInputEditText = findViewById(R.id.inputEditText);

MaterialButton submitButton = findViewById(R.id.submitButton);

submitButton.setOnClickListener(v -> {

String inputText = textInputEditText.getText().toString();

if (inputText.isEmpty()) {

Toast.makeText(MainActivity.this, "Please enter some text", Toast.LENGTH_SHORT).show();

} else {

// Handle the input text

Toast.makeText(MainActivity.this, "You entered: " + inputText, Toast.LENGTH_SHORT).show();

}

});

}

Kotlin

package com.example.materialdarktheme

import android.os.Bundle
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import com.google.android.material.button.MaterialButton
import com.google.android.material.textfield.TextInputEditText
import com.google.android.material.textfield.TextInputLayout

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val textInputLayout: TextInputLayout = findViewById(R.id.inputEditText)
        val textInputEditText: TextInputEditText = findViewById(R.id.inputEditText)
        val submitButton: MaterialButton = findViewById(R.id.submitButton)

        submitButton.setOnClickListener {
            val inputText = textInputEditText.text.toString()
            if (inputText.isEmpty()) {
                Toast.makeText(this, "Please enter some text", Toast.LENGTH_SHORT).show()
            } else {
                // Handle the input text
                Toast.makeText(this, "You entered: $inputText", Toast.LENGTH_SHORT).show()
            }
        }
    }
}

package com.example.materialdarktheme

import android.os.Bundle

import android.widget.Toast

import androidx.appcompat.app.AppCompatActivity

import com.google.android.material.button.MaterialButton

import com.google.android.material.textfield.TextInputEditText

import com.google.android.material.textfield.TextInputLayout

class MainActivity : AppCompatActivity() {

override fun onCreate(savedInstanceState: Bundle?) {

super.onCreate(savedInstanceState)

setContentView(R.layout.activity_main)

val textInputLayout: TextInputLayout = findViewById(R.id.inputEditText)

val textInputEditText: TextInputEditText = findViewById(R.id.inputEditText)

val submitButton: MaterialButton = findViewById(R.id.submitButton)

submitButton.setOnClickListener {

val inputText = textInputEditText.text.toString()

if (inputText.isEmpty()) {

Toast.makeText(this, "Please enter some text", Toast.LENGTH_SHORT).show()

} else {

// Handle the input text

Toast.makeText(this, "You entered: $inputText", Toast.LENGTH_SHORT).show()

}

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Conclusion

Using the Material Dark theme allows your app to provide a modern and user-friendly interface that is easy on the eyes, especially in low-light environments. By following this guide, you can easily implement the Material Dark theme in your Android application. This example demonstrated how to set up the theme, create a corresponding layout, and initialize the views in your activity. Happy coding!

Creating a Modern UI with Material Dark Theme in Android

Setting Up the Material Dark Theme

Step 1: Add Dependencies

Step 2: Define the Theme in styles.xml

Example: Creating a Simple UI with Material Dark Theme

Step 3: Define the Layout

Step 4: Initialize in Activity

Java

Kotlin

Conclusion

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