Sunday, March 6, 2022

jetpack compose - Get screen width height in dp

MainActivity.kt

package com.cfsuman.jetpackcompose

import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.layout.*
import androidx.compose.material.*
import androidx.compose.runtime.*
import androidx.compose.ui.graphics.Color
import androidx.compose.material.Text
import androidx.compose.material.TopAppBar
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.platform.LocalConfiguration
import androidx.compose.ui.text.style.TextAlign
import androidx.compose.ui.unit.sp


class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {GetScaffold()}
    }


    @Composable
    fun GetScaffold() {
        Scaffold(
            topBar = {TopAppBar(
                title = {Text(text = "Compose - Screen Width Height In Dp")},
                backgroundColor = Color(0xFF5F9EA0),
            )},
            content = { MainContent() },
            backgroundColor = Color(0xFFA7D8DE)
        )
    }


    @Composable
    fun MainContent() {
        val configuration = LocalConfiguration.current
        val screenWidth = configuration.screenWidthDp
        val screenHeight = configuration.screenHeightDp

        Box(Modifier.fillMaxSize().wrapContentSize(Alignment.Center)) {
            Text(
                text = "Screen Width : $screenWidth Dp" +
                        "\nScreen Height: $screenHeight Dp",
                fontSize = 27.sp,
                textAlign = TextAlign.Center
            )
        }
    }
}