mirror of
https://github.com/awfixers-stuff/OwnDroid.git
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Refactor code related to navigation, close #104
New PackageChooserActivity Delete code of parsing apk metadata
This commit is contained in:
BinTianqi
224
app/src/main/java/com/bintianqi/owndroid/PackageChooser.kt
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224
app/src/main/java/com/bintianqi/owndroid/PackageChooser.kt
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package com.bintianqi.owndroid
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import android.app.Application
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import android.content.Intent
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import android.content.pm.ApplicationInfo
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import android.content.pm.PackageManager
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import android.graphics.drawable.Drawable
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import android.os.Build
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import android.os.Bundle
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import android.widget.Toast
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import androidx.activity.ComponentActivity
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import androidx.activity.compose.setContent
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import androidx.activity.viewModels
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import androidx.compose.animation.AnimatedVisibility
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import androidx.compose.foundation.ExperimentalFoundationApi
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import androidx.compose.foundation.Image
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import androidx.compose.foundation.clickable
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.Row
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import androidx.compose.foundation.layout.Spacer
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.foundation.layout.fillMaxWidth
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import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.layout.size
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import androidx.compose.foundation.lazy.LazyColumn
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import androidx.compose.foundation.lazy.items
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import androidx.compose.foundation.text.KeyboardActions
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import androidx.compose.foundation.text.KeyboardOptions
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import androidx.compose.material.icons.Icons
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import androidx.compose.material.icons.automirrored.filled.ArrowBack
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import androidx.compose.material3.ExperimentalMaterial3Api
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import androidx.compose.material3.Icon
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import androidx.compose.material3.IconButton
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import androidx.compose.material3.LinearProgressIndicator
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import androidx.compose.material3.MaterialTheme.colorScheme
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import androidx.compose.material3.MaterialTheme.typography
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import androidx.compose.material3.OutlinedTextField
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import androidx.compose.material3.Scaffold
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import androidx.compose.material3.Text
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import androidx.compose.material3.TopAppBar
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import androidx.compose.material3.TopAppBarDefaults
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.LaunchedEffect
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import androidx.compose.runtime.getValue
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import androidx.compose.runtime.mutableStateOf
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import androidx.compose.runtime.remember
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import androidx.compose.runtime.setValue
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.draw.alpha
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import androidx.compose.ui.focus.FocusRequester
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import androidx.compose.ui.focus.focusRequester
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import androidx.compose.ui.platform.LocalContext
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import androidx.compose.ui.platform.LocalFocusManager
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import androidx.compose.ui.res.painterResource
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import androidx.compose.ui.res.stringResource
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import androidx.compose.ui.text.input.ImeAction
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import androidx.compose.ui.unit.dp
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import androidx.lifecycle.AndroidViewModel
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import androidx.lifecycle.compose.collectAsStateWithLifecycle
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import androidx.lifecycle.viewModelScope
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import com.bintianqi.owndroid.ui.theme.OwnDroidTheme
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import com.google.accompanist.drawablepainter.rememberDrawablePainter
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.flow.MutableStateFlow
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import kotlinx.coroutines.flow.update
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.withContext
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class PackageChooserActivity: ComponentActivity() {
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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val myVm by viewModels<MyViewModel>()
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val vm by viewModels<PackageChooserViewModel>()
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vm.initialize()
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setContent {
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val theme by myVm.theme.collectAsStateWithLifecycle()
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OwnDroidTheme(theme) {
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val packages by vm.packages.collectAsStateWithLifecycle()
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val progress by vm.progress.collectAsStateWithLifecycle()
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PackageChooserScreen(packages, progress, vm::getPackages) {
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setResult(0, Intent().putExtra("package", it))
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finish()
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}
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}
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}
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}
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}
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class PackageChooserViewModel(application: Application): AndroidViewModel(application) {
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val packages = MutableStateFlow(emptyList<PackageInfo>())
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val progress = MutableStateFlow(0F)
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val flags = if(Build.VERSION.SDK_INT >= 24) PackageManager.MATCH_DISABLED_COMPONENTS or PackageManager.MATCH_UNINSTALLED_PACKAGES else 0
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fun initialize() {
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if(progress.value < 1F) getPackages()
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}
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fun getPackages() {
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packages.value = emptyList()
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viewModelScope.launch(Dispatchers.IO) {
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val pm = getApplication<Application>().packageManager
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val apps = pm.getInstalledApplications(flags)
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for(pkg in apps) {
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packages.update {
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it + PackageInfo(
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pkg.packageName, pkg.loadLabel(pm).toString(), pkg.loadIcon(pm),
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(pkg.flags and ApplicationInfo.FLAG_SYSTEM) != 0
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)
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}
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withContext(Dispatchers.Main) { progress.value = packages.value.size.toFloat() / apps.size }
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}
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}
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}
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}
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data class PackageInfo(
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val name: String,
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val label: String,
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val icon: Drawable,
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val system: Boolean
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)
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@OptIn(ExperimentalMaterial3Api::class, ExperimentalFoundationApi::class)
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@Composable
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private fun PackageChooserScreen(
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packages: List<PackageInfo>, progress: Float, onRefresh: () -> Unit, onChoosePackage: (String?) -> Unit
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) {
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val context = LocalContext.current
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var system by remember { mutableStateOf(false) }
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var search by remember { mutableStateOf("") }
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var searchMode by remember { mutableStateOf(false) }
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val filteredPackages = packages.filter {
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system == it.system &&
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(if(search.isEmpty()) true
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else it.name.contains(search, ignoreCase = true) || it.label.contains(search, ignoreCase = true))
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}
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val focusMgr = LocalFocusManager.current
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Scaffold(
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topBar = {
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TopAppBar(
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actions = {
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if(!searchMode) {
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IconButton({ searchMode = true }) {
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Icon(painter = painterResource(R.drawable.search_fill0), contentDescription = stringResource(R.string.search))
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}
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IconButton({
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system = !system
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Toast.makeText(context, if(system) R.string.show_system_app else R.string.show_user_app, Toast.LENGTH_SHORT).show()
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}) {
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Icon(painter = painterResource(R.drawable.filter_alt_fill0), contentDescription = null)
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}
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IconButton(onRefresh) {
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Icon(painter = painterResource(R.drawable.refresh_fill0), contentDescription = null)
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}
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}
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},
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title = {
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if(searchMode) {
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val fr = FocusRequester()
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LaunchedEffect(Unit) { fr.requestFocus() }
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OutlinedTextField(
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value = search,
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onValueChange = { search = it },
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keyboardOptions = KeyboardOptions(imeAction = ImeAction.Search),
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keyboardActions = KeyboardActions { focusMgr.clearFocus() },
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placeholder = { Text(stringResource(R.string.search)) },
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trailingIcon = {
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Icon(
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painter = painterResource(R.drawable.close_fill0),
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contentDescription = null,
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modifier = Modifier.clickable {
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focusMgr.clearFocus()
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search = ""
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searchMode = false
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}
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)
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},
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textStyle = typography.bodyLarge,
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modifier = Modifier.fillMaxWidth().focusRequester(fr)
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)
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} else {
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Text(stringResource(R.string.package_chooser))
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}
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},
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navigationIcon = {
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IconButton({ onChoosePackage(null) }) {
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Icon(Icons.AutoMirrored.Default.ArrowBack, null)
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}
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},
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colors = TopAppBarDefaults.topAppBarColors(containerColor = colorScheme.background)
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)
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}
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) { paddingValues->
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LazyColumn(
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horizontalAlignment = Alignment.CenterHorizontally,
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modifier = Modifier.fillMaxSize().padding(top = paddingValues.calculateTopPadding())
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) {
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stickyHeader {
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AnimatedVisibility(progress < 1F) {
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LinearProgressIndicator(progress = { progress }, modifier = Modifier.fillMaxWidth())
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}
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}
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items(filteredPackages, { it.name }) {
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Row(
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verticalAlignment = Alignment.CenterVertically,
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modifier = Modifier
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.fillMaxWidth()
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.clickable { onChoosePackage(it.name) }
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.padding(horizontal = 8.dp, vertical = 10.dp)
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.animateItem()
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) {
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Image(
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painter = rememberDrawablePainter(it.icon), contentDescription = null,
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modifier = Modifier.padding(start = 12.dp, end = 18.dp).size(40.dp)
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)
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Column {
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Text(text = it.label, style = typography.titleLarge)
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Text(text = it.name, modifier = Modifier.alpha(0.8F))
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}
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}
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}
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item { Spacer(Modifier.padding(vertical = 30.dp)) }
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}
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}
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}
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