up

app/src/main/java/io/legado/app/App.kt

@@ -15,6 +15,7 @@ import io.legado.app.constant.AppConst.channelIdReadAloud
 import io.legado.app.constant.AppConst.channelIdWeb
 import io.legado.app.data.AppDatabase
 import io.legado.app.help.ActivityHelp
+import io.legado.app.help.CrashHandler
 import io.legado.app.lib.theme.ThemeStore
 import io.legado.app.utils.getCompatColor
 import io.legado.app.utils.getPrefInt
@@ -39,7 +40,7 @@ class App : Application() {
     override fun onCreate() {
         super.onCreate()
         INSTANCE = this
-
+        CrashHandler().init(this)
         db = AppDatabase.createDatabase(INSTANCE)
         packageManager.getPackageInfo(packageName, 0)?.let {
             versionCode = it.versionCode

app/src/main/java/io/legado/app/help/CrashHandler.kt

@@ -0,0 +1,150 @@
+package io.legado.app.help
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.content.pm.PackageManager
+import android.os.Build
+import android.os.Handler
+import android.os.Looper
+import android.util.Log
+import android.widget.Toast
+import java.io.File
+import java.io.FileOutputStream
+import java.io.PrintWriter
+import java.io.StringWriter
+import java.text.SimpleDateFormat
+import java.util.*
+
+/**
+ * 异常管理类
+ */
+class CrashHandler : Thread.UncaughtExceptionHandler {
+    private val tag = this.javaClass.simpleName
+    /**
+     * 系统默认UncaughtExceptionHandler
+     */
+    private var mDefaultHandler: Thread.UncaughtExceptionHandler? = null
+
+    /**
+     * context
+     */
+    private var mContext: Context? = null
+
+    /**
+     * 存储异常和参数信息
+     */
+    private val paramsMap = HashMap<String, String>()
+
+    /**
+     * 格式化时间
+     */
+    @SuppressLint("SimpleDateFormat")
+    private val format = SimpleDateFormat("yyyy-MM-dd-HH-mm-ss")
+
+    fun init(context: Context) {
+        mContext = context
+        mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler()
+        //设置该CrashHandler为系统默认的
+        Thread.setDefaultUncaughtExceptionHandler(this)
+    }
+
+    /**
+     * uncaughtException 回调函数
+     */
+    override fun uncaughtException(thread: Thread, ex: Throwable) {
+        handleException(ex)
+        mDefaultHandler?.uncaughtException(thread, ex)
+    }
+
+    /**
+     * 处理该异常
+     */
+    private fun handleException(ex: Throwable?) {
+        if (ex == null) return
+        //收集设备参数信息
+        collectDeviceInfo(mContext!!)
+        //添加自定义信息
+        addCustomInfo()
+        kotlin.runCatching {
+            //使用Toast来显示异常信息
+            Handler(Looper.getMainLooper()).post {
+                Toast.makeText(
+                    mContext,
+                    ex.message,
+                    Toast.LENGTH_LONG
+                ).show()
+            }
+        }
+        //保存日志文件
+        saveCrashInfo2File(ex)
+    }
+
+    /**
+     * 收集设备参数信息
+     */
+    private fun collectDeviceInfo(ctx: Context) {
+        //获取versionName,versionCode
+        kotlin.runCatching {
+            val pm = ctx.packageManager
+            val pi = pm.getPackageInfo(ctx.packageName, PackageManager.GET_ACTIVITIES)
+            if (pi != null) {
+                val versionName = if (pi.versionName == null) "null" else pi.versionName
+                val versionCode = pi.versionCode.toString() + ""
+                paramsMap["versionName"] = versionName
+                paramsMap["versionCode"] = versionCode
+            }
+        }
+
+        //获取所有系统信息
+        val fields = Build::class.java.declaredFields
+        kotlin.runCatching {
+            for (field in fields) {
+                field.isAccessible = true
+                paramsMap[field.name] = field.get(null).toString()
+            }
+        }
+    }
+
+    /**
+     * 添加自定义参数
+     */
+    private fun addCustomInfo() {
+        Log.i(tag, "addCustomInfo: 程序出错了...")
+    }
+
+    /**
+     * 保存错误信息到文件中
+     */
+    private fun saveCrashInfo2File(ex: Throwable) {
+        kotlin.runCatching {
+            val sb = StringBuilder()
+            for ((key, value) in paramsMap) {
+                sb.append(key).append("=").append(value).append("\n")
+            }
+
+            val writer = StringWriter()
+            val printWriter = PrintWriter(writer)
+            ex.printStackTrace(printWriter)
+            var cause: Throwable? = ex.cause
+            while (cause != null) {
+                cause.printStackTrace(printWriter)
+                cause = cause.cause
+            }
+            printWriter.close()
+            val result = writer.toString()
+            sb.append(result)
+            val timestamp = System.currentTimeMillis()
+            val time = format.format(Date())
+            val fileName = "crash-$time-$timestamp.log"
+            val path = mContext?.externalCacheDir?.toString() + "/crash/"
+            val dir = File(path)
+            if (!dir.exists()) {
+                dir.mkdirs()
+            }
+            val fos = FileOutputStream(path + fileName)
+            fos.write(sb.toString().toByteArray())
+            fos.close()
+        }
+    }
+
+}