46 lines
1.6 KiB
Kotlin
46 lines
1.6 KiB
Kotlin
package org.moire.ultrasonic.util
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import android.content.Context
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import android.os.Build
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import java.io.File
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import java.io.PrintWriter
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import timber.log.Timber
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/**
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* Logs the stack trace of uncaught exceptions to a file on the SD card.
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*/
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class UncaughtExceptionHandler(
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private val context: Context
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) : Thread.UncaughtExceptionHandler {
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private val defaultHandler: Thread.UncaughtExceptionHandler? =
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Thread.getDefaultUncaughtExceptionHandler()
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override fun uncaughtException(thread: Thread, throwable: Throwable) {
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var file: File? = null
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var printWriter: PrintWriter? = null
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try {
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file = File(FileUtil.ultrasonicDirectory, STACKTRACE_NAME)
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printWriter = PrintWriter(file)
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val logMessage = String.format(
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"Android API level: %s\nUltrasonic version name: %s\n" +
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"Ultrasonic version code: %s\n\n",
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Build.VERSION.SDK_INT, Util.getVersionName(context), Util.getVersionCode(context)
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)
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printWriter.println(logMessage)
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throwable.printStackTrace(printWriter)
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Timber.e(throwable, "Uncaught Exception! %s", logMessage)
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Timber.i("Stack trace written to %s", file)
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} catch (all: Throwable) {
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Timber.e(all, "Failed to write stack trace to %s", file)
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} finally {
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Util.close(printWriter)
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defaultHandler?.uncaughtException(thread, throwable)
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}
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}
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companion object {
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private const val STACKTRACE_NAME = "ultrasonic-stacktrace.txt"
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}
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}
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