MainActivity.kt
package com.cfsuman.jetpackcompose
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.activity.compose.setContent
import androidx.compose.foundation.background
import androidx.compose.foundation.gestures.detectTapGestures
import androidx.compose.foundation.layout.*
import androidx.compose.foundation.shape.CircleShape
import androidx.compose.material.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.clip
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.input.pointer.pointerInput
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContent {
MainContent()
}
}
@Composable
fun MainContent(){
Column(
modifier = Modifier
.background(Color(0xFFEDEAE0))
.fillMaxSize(),
verticalArrangement = Arrangement.Center,
horizontalAlignment = Alignment.CenterHorizontally
) {
val counter = remember { mutableStateOf(0) }
Text(
text = "Tap Count : ${counter.value}",
fontSize = 40.sp,
color = Color(0xFF4B3621),
modifier = Modifier
.clip(CircleShape)
.background(Color(0xFFE30022))
.padding(25.dp)
.pointerInput(Unit) {
detectTapGestures(
onTap = {
counter.value++
}
)
}
)
}
}
@Preview
@Composable
fun ComposablePreview(){
//MainContent()
}
}


- jetpack compose - Double tap listener
- jetpack compose - Long press listener
- jetpack compose - Press listener
- jetpack compose - Column vertical scrolling
- jetpack compose - Dragging
- jetpack compose - Multiple draggable objects
- jetpack compose - Outlined Button
- jetpack compose - TextButton
- jetpack compose - Button elevation
- jetpack compose - TextField request focus
- jetpack compose - TextField size
- jetpack compose - TextField error
- jetpack compose - TextField IME action done
- jetpack compose - Card click
- jetpack compose - Show toast message