feat: 应用崩溃页面

app/src/main/AndroidManifest.xml

@@ -24,6 +24,9 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity
+            android:name=".ui.activities.CrashActivity"
+            android:exported="false" />
     </application>
 
 </manifest>

app/src/main/kotlin/cn/super12138/todo/TodoApp.kt

@@ -2,6 +2,7 @@ package cn.super12138.todo
 
 import android.app.Application
 import cn.super12138.todo.logic.database.TodoDatabase
+import cn.super12138.todo.ui.pages.crash.CrashHandler
 
 class TodoApp : Application() {
     private val database by lazy { TodoDatabase.getDatabase(this) }
@@ -12,6 +13,10 @@ class TodoApp : Application() {
 
     override fun onCreate() {
         super.onCreate()
+
         db = database
+
+        val crashHandler = CrashHandler(applicationContext)
+        Thread.setDefaultUncaughtExceptionHandler(crashHandler)
     }
 }

app/src/main/kotlin/cn/super12138/todo/ui/activities/CrashActivity.kt

@@ -0,0 +1,66 @@
+package cn.super12138.todo.ui.activities
+
+import android.os.Build
+import android.os.Bundle
+import android.view.HapticFeedbackConstants
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.compose.ui.platform.LocalView
+import androidx.compose.ui.res.stringResource
+import cn.super12138.todo.R
+import cn.super12138.todo.ui.pages.crash.CrashPage
+import cn.super12138.todo.ui.theme.ToDoTheme
+import java.text.SimpleDateFormat
+import java.util.Calendar
+import java.util.Locale
+
+class CrashActivity : ComponentActivity() {
+    companion object {
+        const val BRAND_PREFIX = "Brand:      "
+        const val MODEL_PREFIX = "Model:      "
+        const val DEVICE_SDK_PREFIX = "Device SDK: "
+        const val CRASH_TIME_PREFIX = "Crash time: "
+        const val BEGINNING_CRASH = "======beginning of crash======"
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        enableEdgeToEdge()
+        super.onCreate(savedInstanceState)
+
+        val crashLogs = intent.getStringExtra("crash_logs")
+
+        val deviceBrand = Build.BRAND
+        val deviceModel = Build.MODEL
+        val sdkLevel = Build.VERSION.SDK_INT
+        val currentDateTime = Calendar.getInstance().time
+        val formatter = SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault())
+        val formattedDateTime = formatter.format(currentDateTime)
+
+        val deviceInfo = StringBuilder().apply {
+            append(BRAND_PREFIX).append("").append(deviceBrand).append('\n')
+            append(MODEL_PREFIX).append(deviceModel).append('\n')
+            append(DEVICE_SDK_PREFIX).append(sdkLevel).append('\n').append('\n')
+            append(CRASH_TIME_PREFIX).append(formattedDateTime).append('\n').append('\n')
+            append(BEGINNING_CRASH).append('\n')
+        }
+
+        val crashLogFormatted = StringBuilder().apply {
+            append(deviceInfo)
+            append(crashLogs)
+        }.toString()
+
+        setContent {
+            ToDoTheme {
+                val view = LocalView.current
+                CrashPage(
+                    crashLog = if (crashLogs == null) stringResource(R.string.tip_no_crash_logs) else crashLogFormatted,
+                    exitApp = {
+                        view.performHapticFeedback(HapticFeedbackConstants.KEYBOARD_TAP)
+                        finishAffinity()
+                    }
+                )
+            }
+        }
+    }
+}

app/src/main/kotlin/cn/super12138/todo/ui/pages/crash/CrashHandler.kt

@@ -0,0 +1,28 @@
+package cn.super12138.todo.ui.pages.crash
+import android.content.Context
+import android.content.Intent
+import android.os.Process
+import cn.super12138.todo.ui.activities.CrashActivity
+import kotlin.system.exitProcess
+
+class CrashHandler(private val context: Context) : Thread.UncaughtExceptionHandler {
+    private val defaultUEH = Thread.getDefaultUncaughtExceptionHandler()
+
+    override fun uncaughtException(thread: Thread, ex: Throwable) {
+        val stackTrace = ex.stackTraceToString()
+
+        // 启动新的 Activity 来显示崩溃日志
+        val intent = Intent(context, CrashActivity::class.java).apply {
+            flags = Intent.FLAG_ACTIVITY_NEW_TASK
+            putExtra("crash_logs", stackTrace)
+        }
+        context.startActivity(intent)
+
+        // 传递异常给默认的异常处理器
+        defaultUEH?.uncaughtException(thread, ex)
+
+        // 杀掉崩溃的应用程序进程
+        Process.killProcess(Process.myPid())
+        exitProcess(10)
+    }
+}

app/src/main/kotlin/cn/super12138/todo/ui/pages/crash/CrashPage.kt

@@ -0,0 +1,91 @@
+package cn.super12138.todo.ui.pages.crash
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.WindowInsets
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.safeContent
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.text.selection.SelectionContainer
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.outlined.ExitToApp
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ExtendedFloatingActionButton
+import androidx.compose.material3.Icon
+import androidx.compose.material3.LargeTopAppBar
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.input.nestedscroll.nestedScroll
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+import cn.super12138.todo.R
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun CrashPage(
+    crashLog: String,
+    exitApp: () -> Unit,
+    modifier: Modifier = Modifier
+) {
+    val scrollBehavior = TopAppBarDefaults.exitUntilCollapsedScrollBehavior()
+    Scaffold(
+        modifier = modifier
+            .fillMaxSize()
+            .nestedScroll(scrollBehavior.nestedScrollConnection),
+        topBar = {
+            LargeTopAppBar(
+                title = {
+                    Text(
+                        text = stringResource(R.string.page_crash),
+                        maxLines = 1,
+                        overflow = TextOverflow.Ellipsis
+                    )
+                },
+                scrollBehavior = scrollBehavior
+            )
+        },
+        floatingActionButton = {
+            ExtendedFloatingActionButton(
+                onClick = exitApp,
+                icon = {
+                    Icon(
+                        imageVector = Icons.AutoMirrored.Outlined.ExitToApp,
+                        contentDescription = stringResource(R.string.action_exit_app)
+                    )
+                },
+                text = {
+                    Text(
+                        text = stringResource(R.string.action_exit_app)
+                    )
+                },
+            )
+        },
+        contentWindowInsets = WindowInsets.safeContent
+    ) { innerPadding ->
+        Column(
+            modifier = Modifier
+                .padding(innerPadding)
+                .padding(horizontal = 16.dp)
+                .fillMaxSize()
+                .verticalScroll(rememberScrollState())
+        ) {
+            Spacer(Modifier.height(5.dp))
+            SelectionContainer {
+                Text(
+                    text = crashLog,
+                    fontFamily = FontFamily.Monospace,
+                    style = MaterialTheme.typography.bodyMedium
+                )
+            }
+        }
+    }
+}

app/src/main/res/values-zh-rCN/strings.xml

@@ -22,4 +22,7 @@
     <string name="subject_others">其它</string>
     <string name="title_edit_task">修改待办</string>
     <string name="tip_remain_tasks">剩余 %s 项任务</string>
+    <string name="page_crash">应用程序出现错误</string>
+    <string name="tip_no_crash_logs">没有日志传入</string>
+    <string name="action_exit_app">退出应用</string>
 </resources>

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

@@ -21,4 +21,7 @@
     <string name="subject_others">Others</string>
     <string name="title_edit_task">Edit Task</string>
     <string name="tip_remain_tasks">%s tasks remaining</string>
+    <string name="page_crash">Oops! App went wrong</string>
+    <string name="tip_no_crash_logs">No crash logs</string>
+    <string name="action_exit_app">Exit app</string>
 </resources>