Add local crash tracking and viewing

app/build.gradle.kts

@@ -128,6 +128,9 @@ dependencies {
     // gif support
     implementation("io.coil-kt:coil-gif:2.4.0")
 
+    // crash handling
+    implementation("com.github.FunkyMuse:Crashy:1.2.0")
+
     // To use Kotlin annotation processing tool
     ksp("androidx.room:room-compiler:2.5.2")
 

app/src/main/AndroidManifest.xml

@@ -130,6 +130,15 @@
               <!--#INSTANCE_LIST_END#-->
             </intent-filter>
         </activity>
+        <provider
+            android:name="androidx.startup.InitializationProvider"
+            android:authorities="${applicationId}.androidx-startup"
+            android:exported="false"
+            tools:node="merge">
+            <meta-data
+                android:name="com.crazylegend.crashyreporter.initializer.CrashyInitializer"
+                android:value="androidx.startup" />
+        </provider>
     </application>
 
 </manifest>

app/src/main/java/com/jerboa/MainActivity.kt

@@ -79,6 +79,7 @@ import com.jerboa.ui.components.report.post.CreatePostReportActivity
 import com.jerboa.ui.components.settings.SettingsActivity
 import com.jerboa.ui.components.settings.about.AboutActivity
 import com.jerboa.ui.components.settings.account.AccountSettingsActivity
+import com.jerboa.ui.components.settings.crashlogs.CrashLogsActivity
 import com.jerboa.ui.components.settings.lookandfeel.LookAndFeelActivity
 import com.jerboa.ui.theme.JerboaTheme
 import com.jerboa.util.BackConfirmation.addConfirmationDialog
@@ -658,6 +659,12 @@ class MainActivity : AppCompatActivity() {
                         )
                     }
 
+                    composable(route = Route.CRASH_LOGS) {
+                        CrashLogsActivity(
+                            navController = navController,
+                        )
+                    }
+
                     composable(
                         route = Route.VIEW,
                         arguments = listOf(

app/src/main/java/com/jerboa/Utils.kt

@@ -22,6 +22,8 @@ import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.lazy.LazyListState
 import androidx.compose.foundation.pager.PagerState
 import androidx.compose.material3.DrawerState
+import androidx.compose.material3.SnackbarDuration
+import androidx.compose.material3.SnackbarHostState
 import androidx.compose.material3.TabPosition
 import androidx.compose.runtime.Stable
 import androidx.compose.runtime.mutableStateListOf
@@ -782,6 +784,24 @@ fun scrollToTop(
     }
 }
 
+fun showSnackbar(
+    scope: CoroutineScope,
+    snackbarHostState: SnackbarHostState,
+    message: String,
+    actionLabel: String?,
+    withDismissAction: Boolean = false,
+    snackbarDuration: SnackbarDuration,
+) {
+    scope.launch {
+        snackbarHostState.showSnackbar(
+            message,
+            actionLabel,
+            withDismissAction,
+            snackbarDuration,
+        )
+    }
+}
+
 // https://stackoverflow.com/questions/69234880/how-to-get-intent-data-in-a-composable
 fun Context.findActivity(): Activity? = when (this) {
     is Activity -> this

app/src/main/java/com/jerboa/ui/components/common/AppBars.kt

@@ -39,6 +39,7 @@ import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
+import androidx.navigation.compose.rememberNavController
 import com.jerboa.R
 import com.jerboa.datatypes.samplePerson
 import com.jerboa.datatypes.samplePost
@@ -59,6 +60,7 @@ fun SimpleTopAppBar(
     text: String,
     navController: NavController,
     scrollBehavior: TopAppBarScrollBehavior? = null,
+    actions: @Composable RowScope.() -> Unit = {},
 ) {
     TopAppBar(
         scrollBehavior = scrollBehavior,
@@ -75,9 +77,18 @@ fun SimpleTopAppBar(
                 )
             }
         },
+        actions = actions,
     )
 }
 
+@Preview
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun SimpleTopAppBarPreview() {
+    SimpleTopAppBar(text = "Preview", navController = rememberNavController()) {
+    }
+}
+
 @Composable
 fun BottomAppBarAll(
     selectedTab: NavTab,
@@ -552,5 +563,7 @@ fun Modifier.simpleVerticalScrollbar(
 fun LoadingBar(
     padding: PaddingValues = PaddingValues(0.dp),
 ) {
-    LinearProgressIndicator(modifier = Modifier.fillMaxWidth().padding(padding).testTag("jerboa:loading"))
+    LinearProgressIndicator(
+        modifier = Modifier.fillMaxWidth().padding(padding).testTag("jerboa:loading"),
+    )
 }

app/src/main/java/com/jerboa/ui/components/common/Navigation.kt

@@ -153,6 +153,8 @@ fun NavController.toLookAndFeel() = navigate(Route.LOOK_AND_FEEL)
 
 fun NavController.toAbout() = navigate(Route.ABOUT)
 
+fun NavController.toCrashLogs() = navigate(Route.CRASH_LOGS)
+
 fun NavController.toView(url: String) {
     val encodedUrl = URLEncoder.encode(url, StandardCharsets.UTF_8.name())
     navigate(Route.ViewArgs.makeRoute(encodedUrl))

app/src/main/java/com/jerboa/ui/components/common/Route.kt

@@ -41,6 +41,7 @@ object Route {
     const val LOOK_AND_FEEL = "lookAndFeel"
     const val ACCOUNT_SETTINGS = "accountSettings"
     const val ABOUT = "about"
+    const val CRASH_LOGS = "crashLogs"
 
     val VIEW = ViewArgs.route
 

app/src/main/java/com/jerboa/ui/components/settings/about/AboutActivity.kt

@@ -32,6 +32,7 @@ import com.alorma.compose.settings.ui.SettingsMenuLink
 import com.jerboa.R
 import com.jerboa.openLink
 import com.jerboa.ui.components.common.SimpleTopAppBar
+import com.jerboa.ui.components.common.toCrashLogs
 
 const val githubUrl = "https://github.com/dessalines/jerboa"
 const val jerboaMatrixChat = "https://matrix.to/#/#jerboa-dev:matrix.org"
@@ -97,6 +98,16 @@ fun AboutActivity(
                         openLink("$githubUrl/issues")
                     },
                 )
+                SettingsMenuLink(
+                    title = { Text(stringResource(R.string.crash_logs)) },
+                    icon = {
+                        Icon(
+                            imageVector = Icons.Outlined.Build,
+                            contentDescription = null,
+                        )
+                    },
+                    onClick = { navController.toCrashLogs() },
+                )
                 SettingsMenuLink(
                     title = { Text(stringResource(R.string.settings_about_developer_matrix_chatroom)) },
                     icon = {

app/src/main/java/com/jerboa/ui/components/settings/crashlogs/CrashLogsActivity.kt

@@ -0,0 +1,161 @@
+package com.jerboa.ui.components.settings.crashlogs
+
+import android.content.Context
+import android.util.Log
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.ContentCopy
+import androidx.compose.material.icons.outlined.Delete
+import androidx.compose.material3.Divider
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.SnackbarDuration
+import androidx.compose.material3.SnackbarHost
+import androidx.compose.material3.SnackbarHostState
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.runtime.toMutableStateList
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.navigation.NavController
+import androidx.navigation.compose.rememberNavController
+import com.crazylegend.crashyreporter.CrashyReporter
+import com.jerboa.R
+import com.jerboa.copyToClipboard
+import com.jerboa.showSnackbar
+import com.jerboa.ui.components.common.SimpleTopAppBar
+import com.jerboa.ui.theme.MEDIUM_PADDING
+import com.jerboa.ui.theme.SMALL_PADDING
+
+@Composable
+fun CrashLogsActivity(
+    navController: NavController,
+) {
+    Log.d("jerboa", "Got to Crash log activity")
+
+    val ctx = LocalContext.current
+
+    val crashes = CrashyReporter.getLogsAsStrings()?.toMutableStateList() ?: run { mutableStateListOf() }
+
+    CrashLogs(ctx = ctx, navController = navController, crashes = crashes)
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun CrashLogs(ctx: Context, navController: NavController, crashes: MutableList<String>) {
+    val scope = rememberCoroutineScope()
+
+    val snackbarHostState = remember { SnackbarHostState() }
+    val deleteMessage = stringResource(R.string.crash_logs_all_deleted)
+
+    Scaffold(
+        snackbarHost = { SnackbarHost(snackbarHostState) },
+        topBar = {
+            SimpleTopAppBar(
+                text = stringResource(R.string.crash_logs),
+                navController = navController,
+                actions = {
+                    IconButton(
+                        onClick = {
+                            CrashyReporter.purgeLogs()
+                            crashes.clear()
+                            showSnackbar(
+                                scope,
+                                snackbarHostState,
+                                deleteMessage,
+                                null,
+                                true,
+                                SnackbarDuration.Short,
+                            )
+                        },
+                    ) {
+                        Icon(
+                            Icons.Outlined.Delete,
+                            contentDescription = stringResource(R.string.crash_logs_delete),
+                        )
+                    }
+                },
+            )
+        },
+        content = { padding ->
+            Column(
+                modifier = Modifier
+                    .verticalScroll(rememberScrollState())
+                    .padding(padding),
+            ) {
+                crashes.forEachIndexed { _, crash ->
+                    CrashLog(ctx = ctx, crash = crash)
+                }
+            }
+        },
+    )
+}
+
+@Composable
+fun CrashLog(ctx: Context, crash: String) {
+    var expanded by remember { mutableStateOf(false) }
+    val textModifier = Modifier.clickable(onClick = { expanded = !expanded })
+
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(MEDIUM_PADDING),
+    ) {
+        Column(
+            modifier = Modifier.padding(MEDIUM_PADDING),
+        ) {
+            IconButton(onClick = {
+                copyToClipboard(ctx, crash, "crash")
+            }) {
+                Icon(
+                    Icons.Outlined.ContentCopy,
+                    contentDescription = stringResource(R.string.crash_logs_copy),
+                )
+            }
+        }
+        if (expanded) {
+            Text(
+                text = crash,
+                modifier = textModifier,
+            )
+        } else {
+            Text(
+                text = crash,
+                maxLines = 4,
+                overflow = TextOverflow.Ellipsis,
+                modifier = textModifier,
+            )
+        }
+    }
+    Divider(modifier = Modifier.padding(bottom = SMALL_PADDING))
+}
+
+@Preview
+@Composable
+fun CrashLogsPreview() {
+    CrashLogs(
+        ctx = LocalContext.current,
+        navController = rememberNavController(),
+        crashes = mutableListOf(
+            "A really bad one\nlots\nof\ntrace\nlines\nhere",
+            "NullPointerException!",
+        ),
+    )
+}

app/src/main/res/values/strings.xml

@@ -102,6 +102,10 @@
     <string name="community_sortBy">Sort by</string>
     <string name="community_subscribe">Subscribe</string>
     <string name="community_users_month">%1$s users / month</string>
+    <string name="crash_logs">Crash Logs</string>
+    <string name="crash_logs_all_deleted">All crash logs deleted</string>
+    <string name="crash_logs_copy">Copy crash log</string>
+    <string name="crash_logs_delete">Delete all crash logs</string>
     <string name="createPost_selectCommunity">Select community from list</string>
     <string name="create_post_a_title_here">a title here....</string>
     <string name="create_post_community">Community</string>