Jetpack Compose - Progress indicators

Progress Bar is a component that tells users about the current ongoing process such as downloading, processing, verifying, etc

  • Linear Progress Indicator,
  • Circular Progress Indicator


package io.material.compose.ui.design
import androidx.compose.animation.core.animateFloatAsState
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.requiredHeight
import androidx.compose.material.CircularProgressIndicator
import androidx.compose.material.LinearProgressIndicator
import androidx.compose.material.OutlinedButton
import androidx.compose.material.ProgressIndicatorDefaults
import androidx.compose.material.Text
import androidx.compose.material3.MaterialTheme
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.unit.dp

@Composable
fun LinearProgressIndicatorSample() {
var progress by remember { mutableStateOf(0.1f) }
val animatedProgress by animateFloatAsState(
targetValue = progress,
animationSpec = ProgressIndicatorDefaults.ProgressAnimationSpec
)

Column(horizontalAlignment = Alignment.CenterHorizontally) {
LinearProgressIndicator(progress = animatedProgress)
Spacer(Modifier.requiredHeight(30.dp))
OutlinedButton(
onClick = {
if (progress < 1f) progress += 0.1f
}
) {
Text("Increase",style = MaterialTheme.typography.labelLarge)
}
}
}

@Composable
fun CircularProgressIndicatorSample() {
var progress by remember { mutableStateOf(0.1f) }
val animatedProgress by animateFloatAsState(
targetValue = progress,
animationSpec = ProgressIndicatorDefaults.ProgressAnimationSpec
)

Column(horizontalAlignment = Alignment.CenterHorizontally) {
CircularProgressIndicator(progress = animatedProgress)
Spacer(Modifier.requiredHeight(30.dp))
OutlinedButton(
onClick = {
if (progress < 1f) progress += 0.1f
}
) {
Text("Increase",style = MaterialTheme.typography.labelLarge)
}
}
}



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