TextView en Android usando Jetpack Compose

Kotlin

package com.example.edittext
  
import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity
import androidx.compose.foundation.layout.*
import androidx.compose.material.MaterialTheme
import androidx.compose.material.Surface
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.Shadow
import androidx.compose.ui.platform.setContent
import androidx.compose.ui.text.TextStyle
import androidx.compose.ui.text.font.FontFamily
import androidx.compose.ui.text.font.FontStyle
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.text.style.TextAlign
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.Dp
import androidx.compose.ui.unit.TextUnit
  
import com.example.edittext.ui.EditTextTheme
  
class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            EditTextTheme {
                // A surface container using the
                // 'background' color from the theme
                Surface(
                        // to add background color for our screen.
                        color = MaterialTheme.colors.background,
                ) {
                    // here we are calling our Composable
                    // function inside setContent method.
                    TextView()
                }
            }
        }
    }
}
  
// below is the Composable function
// which we have created for our TextView.
@Composable
fun TextView() {
    Column(
            // we are using column to align
            // our textview to center of the screen.
            modifier = Modifier.fillMaxWidth().fillMaxHeight(),
  
            // below line is used for specifying
            // vertical arrangement.
            verticalArrangement = Arrangement.Center,
  
            // below line is used for specifying
            // horizontal arrangement.
            horizontalAlignment = Alignment.CenterHorizontally,
    ) {
        // TextView widget.
        androidx.compose.foundation.Text(
  
                // below line is for displaying
                // text in our text view.
                text = "Geeks for Geeks",
  
                // below line is used to add
                // style to our text view.
                style = TextStyle(
                        // color is used to provide green
                        // color to our text view.
                        color = Color.Green,
  
                        // font size to change the
                        // size of our text view.
                        fontSize = TextUnit.Sp(30),
  
                        // font weight to bold such as light bold,
                        // extra bold to our text view.
                        fontWeight = FontWeight.Black,
  
                        // font style is i=use to change style
                        // of our text view to italic and normal.
                        fontStyle = FontStyle.Italic,
  
                        // font family is use to change
                        // our font family to cursive.
                        fontFamily = FontFamily.Cursive,
  
                        // letter spacing i use to
                        // provide between letters.
                        letterSpacing = TextUnit.Companion.Sp(2),
  
                        // background is use to specify background
                        // color to our text view.
                        background = Color.White,
  
                        // shadow to make our
                        // text view elevated.
                        shadow = Shadow(color = Color.Gray),
  
                        // textALign to align our text view
                        // to center position.
                        textAlign = TextAlign.Center,
                        ),
                // modifier is use to give
                // padding to our text view.
                modifier = Modifier.padding(all = Dp(20.0F))
        )
    }
}
  
// @Preview function is use to see preview
// for our composable function in preview section.
@Preview
@Composable
fun DefaultPreview() {
    MaterialTheme {
        // we are passing our composable
        // function to display its preview.
        TextView()
    }
}