Import List for Images Compose

Replace YOUR_PACKAGE_NAME below with yours.

Chatt.kt

import java.util.UUID
import kotlin.properties.ReadWriteProperty
import kotlin.reflect.KProperty

ChattListRow.kt

import androidx.compose.foundation.background
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.aspectRatio
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.lazy.LazyRow
import androidx.compose.material3.CircularProgressIndicator
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.layout.ContentScale.Companion.Fit
import androidx.compose.ui.text.style.TextAlign
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import androidx.core.net.toUri
import coil.compose.SubcomposeAsyncImage
import edu.umich.eecs441.composeChatter.ui.theme.Gray88
import edu.umich.eecs441.composeChatter.ui.theme.HeavenWhite

ChattStore.kt

import android.util.Log
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.setValue
import okhttp3.Call
import okhttp3.Callback
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.MultipartBody
import okhttp3.OkHttpClient
import okhttp3.RequestBody.Companion.asRequestBody
import okhttp3.Response
import org.json.JSONArray
import org.json.JSONException
import java.io.File
import java.io.IOException
import java.util.UUID
import kotlin.coroutines.resume
import kotlin.coroutines.resumeWithException
import kotlin.coroutines.suspendCoroutine
import kotlin.reflect.full.declaredMemberProperties

Extensions.kt

import android.content.ContentResolver
import android.content.Context
import android.net.Uri
import android.util.Log
import android.widget.Toast
import kotlinx.coroutines.MainScope
import kotlinx.coroutines.launch
import java.io.File

MainActivity.kt

import android.app.Application
import android.net.Uri
import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.compose.runtime.CompositionLocalProvider
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.setValue
import androidx.compose.runtime.staticCompositionLocalOf
import androidx.lifecycle.AndroidViewModel
import androidx.lifecycle.lifecycleScope
import androidx.navigation.NavHostController
import androidx.navigation.compose.NavHost
import androidx.navigation.compose.composable
import androidx.navigation.compose.rememberNavController
import edu.umich.eecs441.composeChatter.ChattStore.getChatts
import kotlinx.coroutines.launch

MainView.kt

import androidx.compose.foundation.background
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.calculateEndPadding
import androidx.compose.foundation.layout.calculateStartPadding
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.lazy.LazyColumn
import androidx.compose.foundation.lazy.items
import androidx.compose.foundation.lazy.rememberLazyListState
import androidx.compose.foundation.shape.CircleShape
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.Add
import androidx.compose.material3.ExperimentalMaterial3Api
import androidx.compose.material3.FloatingActionButton
import androidx.compose.material3.Icon
import androidx.compose.material3.Scaffold
import androidx.compose.material3.Text
import androidx.compose.material3.TopAppBar
import androidx.compose.material3.pulltorefresh.PullToRefreshBox
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.rememberCoroutineScope
import androidx.compose.runtime.setValue
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.scale
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.unit.LayoutDirection
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import androidx.compose.ui.zIndex
import edu.umich.eecs441.composeChatter.ChattStore.chatts
import edu.umich.eecs441.composeChatter.ChattStore.getChatts
import edu.umich.eecs441.composeChatter.ui.theme.Canary
import edu.umich.eecs441.composeChatter.ui.theme.Moss
import edu.umich.eecs441.composeChatter.ui.theme.WhiteSmoke
import kotlinx.coroutines.launch
import java.util.Timer
import kotlin.concurrent.schedule

Media.kt

import android.content.ComponentName
import android.content.ContentValues
import android.content.Context
import android.content.Intent
import android.content.pm.PackageManager
import android.net.Uri
import android.os.Environment
import android.provider.MediaStore
import androidx.activity.result.contract.ActivityResultContracts
import androidx.compose.foundation.AndroidExternalSurface
import androidx.compose.foundation.layout.Box
import androidx.compose.material3.Icon
import androidx.compose.material3.IconButton
import androidx.compose.runtime.Composable
import androidx.compose.runtime.DisposableEffect
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.saveable.rememberSaveable
import androidx.compose.runtime.setValue
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.scale
import androidx.compose.ui.graphics.vector.ImageVector
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.res.vectorResource
import androidx.lifecycle.compose.LocalLifecycleOwner
import androidx.lifecycle.Lifecycle
import androidx.lifecycle.LifecycleEventObserver
import androidx.media3.common.MediaItem.fromUri
import androidx.media3.common.Player
import androidx.media3.exoplayer.ExoPlayer
import edu.umich.eecs441.composeChatter.ui.theme.WhiteSmoke

PostView.kt

import android.Manifest
import android.app.Activity
import android.content.pm.PackageManager
import android.util.Log
import androidx.activity.compose.BackHandler
import androidx.activity.compose.rememberLauncherForActivityResult
import androidx.activity.result.contract.ActivityResultContracts.GetContent
import androidx.activity.result.contract.ActivityResultContracts.RequestMultiplePermissions
import androidx.activity.result.contract.ActivityResultContracts.StartActivityForResult
import androidx.activity.result.contract.ActivityResultContracts.TakePicture
import androidx.compose.foundation.background
import androidx.compose.foundation.gestures.detectTapGestures
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.WindowInsets
import androidx.compose.foundation.layout.asPaddingValues
import androidx.compose.foundation.layout.aspectRatio
import androidx.compose.foundation.layout.calculateEndPadding
import androidx.compose.foundation.layout.calculateStartPadding
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.navigationBars
import androidx.compose.foundation.layout.padding
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.automirrored.filled.ArrowBack
import androidx.compose.material.icons.automirrored.filled.Send
import androidx.compose.material3.ExperimentalMaterial3Api
import androidx.compose.material3.Icon
import androidx.compose.material3.IconButton
import androidx.compose.material3.Scaffold
import androidx.compose.material3.Text
import androidx.compose.material3.TextField
import androidx.compose.material3.TextFieldDefaults
import androidx.compose.material3.TopAppBar
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.saveable.rememberSaveable
import androidx.compose.runtime.setValue
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.scale
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.vector.ImageVector
import androidx.compose.ui.input.pointer.pointerInput
import androidx.compose.ui.layout.ContentScale.Companion.Fit
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.platform.LocalFocusManager
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.res.vectorResource
import androidx.compose.ui.text.TextStyle
import androidx.compose.ui.text.style.TextAlign
import androidx.compose.ui.unit.LayoutDirection
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import androidx.lifecycle.viewModelScope
import androidx.lifecycle.viewmodel.compose.viewModel
import coil.compose.AsyncImage
import coil.request.ImageRequest
import edu.umich.eecs441.composeChatter.ChattStore.getChatts
import edu.umich.eecs441.composeChatter.ChattStore.postChatt
import edu.umich.eecs441.composeChatter.ui.theme.Firebrick
import edu.umich.eecs441.composeChatter.ui.theme.Moss
import edu.umich.eecs441.composeChatter.ui.theme.WhiteSmoke
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import java.io.File