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.detectDragGestures
import androidx.compose.foundation.layout.*
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material.Text
import androidx.compose.runtime.*
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.consumeAllChanges
import androidx.compose.ui.input.pointer.pointerInput
import androidx.compose.ui.text.style.TextAlign
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.IntOffset
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import kotlin.math.roundToInt
class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContent {
MainContent()
}
}
@Composable
fun MainContent(){
Column(
modifier = Modifier
.background(Color(0xFFEDEAE0))
.padding(16.dp)
.fillMaxSize(),
verticalArrangement = Arrangement.spacedBy(25.dp),
horizontalAlignment = Alignment.CenterHorizontally
) {
var offsetX by remember { mutableStateOf(0f) }
var offsetY by remember { mutableStateOf(0f) }
Box(
Modifier
.offset {
IntOffset(
x = offsetX.roundToInt(),
y = offsetY.roundToInt()
)
}
.clip(RoundedCornerShape(16.dp))
.background(Color(0xFFE63E62))
.padding(25.dp)
.pointerInput(Unit) {
detectDragGestures { change, dragAmount ->
change.consumeAllChanges()
offsetX += dragAmount.x
offsetY += dragAmount.y
}
}
){
Text(
text = "Drag Me",
fontSize = 30.sp,
color = Color(0xFFFFDDF4),
textAlign = TextAlign.Center,
)
}
Box(
modifier = Modifier
.clip(RoundedCornerShape(16.dp))
.background(Color(0xFF58427C))
.padding(25.dp)
){
Text(
text = "Non Movable",
fontSize = 30.sp,
color = Color(0xFFFFFFFF),
textAlign = TextAlign.Center,
)
}
}
}
@Preview
@Composable
fun ComposablePreview(){
//MainContent()
}
}
- jetpack compose - Text custom font
- jetpack compose - LazyColumn scroll to top bottom
- jetpack compose - LazyColumn smooth scrolling
- jetpack compose - Animate content size
- jetpack compose - FadeIn FadeOut animation
- jetpack compose - Animation duration
- jetpack compose - animateFloatAsState
- jetpack compose - Repeatable animation
- jetpack compose - Snap animation
- jetpack compose - Double tap listener
- jetpack compose - Long press listener
- jetpack compose - Multiple draggable objects
- jetpack compose - Swiping
- jetpack compose - Panning zooming rotating
- jetpack compose - Weight modifier