Android Jetpack Compose Button

Android Jetpack Compose Button

The Button in Android Jetpack Compose is a composable function that allows you to create clickable buttons with different styles and actions. It's essential for building interactive user interfaces in Android apps.

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Basic Usage

@Composable
fun BasicButtonExample() {
    Button(onClick = { /* Do something */ }) {
        Text("Click Me")
    }
}

This code creates a basic button with the text "Click Me". When clicked, it performs the action defined in the onClick lambda.

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Styling the Button

@Composable
fun StyledButtonExample() {
    Button(
        onClick = { /* Do something */ },
        colors = ButtonDefaults.buttonColors(backgroundColor = Color.Blue)
    ) {
        Text("Styled Button", color = Color.White)
    }
}

This code creates a styled button with a blue background and white text.

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Button with Icon

@Composable
fun IconButtonExample() {
    Button(onClick = { /* Do something */ }) {
        Icon(Icons.Default.Favorite, contentDescription = null)
        Spacer(modifier = Modifier.size(ButtonDefaults.IconSpacing))
        Text("Like")
    }
}

This code creates a button with an icon (a heart) and text next to it.

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Button with Different Shapes

@Composable
fun ShapedButtonExample() {
    Button(
        onClick = { /* Do something */ },
        shape = RoundedCornerShape(12.dp)
    ) {
        Text("Rounded Button")
    }
}

This code creates a button with rounded corners.

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Button with Custom Elevation

@Composable
fun ElevatedButtonExample() {
    Button(
        onClick = { /* Do something */ },
        elevation = ButtonDefaults.elevation(defaultElevation = 8.dp)
    ) {
        Text("Elevated Button")
    }
}

This code creates a button with a custom elevation of 8.dp, giving it a raised appearance.

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Conclusion

The Button in Android Jetpack Compose is a versatile and powerful tool for creating interactive elements in your app's user interface. Understanding how to customize and use buttons effectively can enhance the usability and aesthetics of your Android applications.