Created global UiState and it's UI handler as default states in all s…

…creens

app/src/main/java/com/developersbreach/composeactors/ui/components/ShowAlertDialog.kt

@@ -0,0 +1,97 @@
+package com.developersbreach.composeactors.ui.components
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.material.AlertDialog
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Text
+import androidx.compose.material.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.testTag
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.tooling.preview.PreviewParameter
+import androidx.compose.ui.tooling.preview.datasource.LoremIpsum
+import androidx.compose.ui.window.DialogProperties
+import com.developersbreach.composeactors.ui.theme.ComposeActorsTheme
+
+@Composable
+fun ShowAlertDialog(
+    modifier: Modifier = Modifier,
+    title: String,
+    description: String,
+    onButtonClick: () -> Unit = {},
+) {
+    AlertDialog(
+        title = {
+            Text(
+                text = title,
+                modifier = Modifier,
+                style = MaterialTheme.typography.h5
+            )
+        },
+        text = {
+            Text(
+                text = description,
+                modifier = Modifier,
+                style = MaterialTheme.typography.body1
+            )
+        },
+        confirmButton = {
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.End
+            ) {
+                TextButton(
+                    onClick = {},
+                    modifier = Modifier,
+                    shape = MaterialTheme.shapes.medium,
+                    content = {
+                        Text(
+                            text = "Dismiss",
+                            modifier = Modifier,
+                            style = MaterialTheme.typography.button
+                        )
+                    }
+                )
+            }
+        },
+        onDismissRequest = onButtonClick,
+        modifier = modifier.testTag("TestTag:InfoDialog"),
+        properties = DialogProperties(
+            dismissOnBackPress = true,
+            dismissOnClickOutside = true
+        ),
+        shape = MaterialTheme.shapes.medium,
+        backgroundColor = MaterialTheme.colors.surface,
+    )
+}
+
+@Preview(showBackground = true, backgroundColor = 0xFF211a18)
+@Composable
+private fun ShowAlertDialogUIDarkPreview(
+    @PreviewParameter(LoremIpsum::class) text: String
+) {
+    ComposeActorsTheme(darkTheme = true) {
+        ShowAlertDialog(
+            title = "Error occurred",
+            description = text,
+            onButtonClick = {}
+        )
+    }
+}
+
+@Preview(showBackground = true)
+@Composable
+private fun ShowAlertDialogUILightPreview(
+    @PreviewParameter(LoremIpsum::class) text: String
+) {
+    ComposeActorsTheme(darkTheme = true) {
+        ShowAlertDialog(
+            title = "Error occurred",
+            description = text,
+            onButtonClick = {}
+        )
+    }
+}

app/src/main/java/com/developersbreach/composeactors/ui/components/UiState.kt

@@ -0,0 +1,12 @@
+package com.developersbreach.composeactors.ui.components
+
+sealed class UiState<out T> {
+    data object Loading : UiState<Nothing>()
+    data class Success<out T>(
+        val data: T
+    ) : UiState<T>()
+
+    data class Error(
+        val throwable: Throwable
+    ) : UiState<Nothing>()
+}

app/src/main/java/com/developersbreach/composeactors/ui/components/UiStateHandler.kt

@@ -0,0 +1,50 @@
+package com.developersbreach.composeactors.ui.components
+
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material.CircularProgressIndicator
+import androidx.compose.material.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+
+@Composable
+fun <T> UiStateHandler(
+    uiState: UiState<T>,
+    content: @Composable (T) -> Unit,
+) {
+    val shouldDismissErrorDialog = rememberSaveable { mutableStateOf(false) }
+
+    LaunchedEffect(Unit) {
+        shouldDismissErrorDialog.value = false
+    }
+
+    Box(
+        modifier = Modifier.fillMaxSize()
+    ) {
+        when (uiState) {
+            is UiState.Loading -> {
+                CircularProgressIndicator(
+                    modifier = Modifier.align(Alignment.Center),
+                    color = MaterialTheme.colors.onBackground
+                )
+            }
+
+            is UiState.Error -> {
+                if (!shouldDismissErrorDialog.value) {
+                    val errorDetails = uiState.throwable
+                    ShowAlertDialog(
+                        onButtonClick = { shouldDismissErrorDialog.value = true },
+                        modifier = Modifier,
+                        title = "Error occurred",
+                        description = errorDetails.localizedMessage ?: "Error information not available",
+                    )
+                }
+            }
+            is UiState.Success -> content(uiState.data)
+        }
+    }
+}