未捕获异常自动重启app
Matthew
1 year ago
parent
e57843cdb0
commit
87aac90d58
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package com.xypower.mpmaster;
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import android.app.AlarmManager;
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import android.app.PendingIntent;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageInfo;
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import android.content.pm.PackageManager;
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import android.os.Build;
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import android.os.Environment;
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import android.os.Looper;
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import android.util.Log;
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import com.xypower.common.MicroPhotoContext;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.io.Writer;
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import java.lang.reflect.Field;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Map;
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public class CrashHandler implements Thread.UncaughtExceptionHandler {
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public static final String TAG = "CrashHandler";
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private static CrashHandler INSTANCE = new CrashHandler();
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/**
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* 系统默认的UncaughtException处理类
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**/
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private Thread.UncaughtExceptionHandler mDefaultHandler;
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/**
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* 用来存储设备信息和异常信息
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**/
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private Map<String, String> mInfos = new HashMap<String, String>();
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private DateFormat mFormatter = new SimpleDateFormat("yyyyMMddHHmmss");
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public CrashHandler() {
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}
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public static CrashHandler getInstance() {
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return INSTANCE;
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}
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public void init() {
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// 获取系统默认的UncaughtException处理器
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mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
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// 设置该CrashHandler为程序的默认处理器
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Thread.setDefaultUncaughtExceptionHandler(this);
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}
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/**
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* @描述: 当UncaughtException发生时会转入该函数来处理
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*/
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@Override
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public void uncaughtException(Thread thread, Throwable ex) {
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if (!handleException(ex) && mDefaultHandler != null) {
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// 如果用户没有处理则让系统默认的异常处理器来处理
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mDefaultHandler.uncaughtException(thread, ex);
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} else {
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try {
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Thread.sleep(2000);
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} catch (InterruptedException e) {
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Log.e(this.getClass().toString(), e == null ? "" : e.toString());
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}
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// 重新启动应用
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Intent intent = new Intent(MpMstApplication.getContext(), MainActivity.class);
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PendingIntent restartIntent = PendingIntent.getActivity(MpMstApplication.getContext(), 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
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AlarmManager mgr = (AlarmManager) MpMstApplication.getContext().getSystemService(Context.ALARM_SERVICE);
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// 1秒钟后重启应用
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mgr.set(AlarmManager.RTC, System.currentTimeMillis() + 1000, restartIntent);
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// todo:退出程序
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android.os.Process.killProcess(android.os.Process.myPid());
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System.exit(1);
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}
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}
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/**
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* @return true:如果处理了该异常信息;否则返回false.
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* @throws
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* @描述:自定义错误处理,收集错误信息 发送错误报告等操作均在此完成.
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*/
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private boolean handleException(Throwable ex) {
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if (null == ex) {
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return false;
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}
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// 收集设备参数信息
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collectDeviceInfo(MpMstApplication.getContext());
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// 保存日志文件
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saveCrashInfo2File(ex);
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return true;
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}
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/**
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* @描述:收集设备参数信息
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*/
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private void collectDeviceInfo(Context context) {
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try {
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PackageManager pm = context.getPackageManager();
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PackageInfo pi = pm.getPackageInfo(context.getPackageName(), PackageManager.GET_ACTIVITIES);
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if (pi != null) {
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String versionName = pi.versionName == null ? "null" : pi.versionName;
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String versionCode = pi.versionCode + "";
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mInfos.put("versionName", versionName);
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mInfos.put("versionCode", versionCode);
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}
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} catch (PackageManager.NameNotFoundException e) {
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Log.e(TAG, "an error occured when collect package info", e);
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}
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Field[] fields = Build.class.getDeclaredFields();
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for (Field field : fields) {
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try {
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field.setAccessible(true);
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mInfos.put(field.getName(), field.get(null).toString());
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Log.d(TAG, field.getName() + " : " + field.get(null));
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} catch (Exception e) {
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Log.e(TAG, "an error occured when collect crash info", e);
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}
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}
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}
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/**
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* @throws
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* @描述:保存错误信息到文件中 目录/sdcard/qfangadtv/crash/
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* @返回类型 void 返回文件名称,便于将文件传送到服务器
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*/
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private String saveCrashInfo2File(Throwable ex) {
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StringBuffer sb = new StringBuffer();
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for (Map.Entry<String, String> entry : mInfos.entrySet()) {
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String key = entry.getKey();
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String value = entry.getValue();
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sb.append(key + "=" + value + "\n");
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}
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Writer writer = new StringWriter();
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PrintWriter printWriter = new PrintWriter(writer);
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ex.printStackTrace(printWriter);
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Throwable cause = ex.getCause();
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while (cause != null) {
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cause.printStackTrace(printWriter);
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cause = cause.getCause();
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}
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printWriter.close();
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String result = writer.toString();
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sb.append(result);
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try {
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long timestamp = System.currentTimeMillis();
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String time = mFormatter.format(new Date());
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String fileName = "crash-" + time + ".log";
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if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
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String path = MicroPhotoContext.buildMasterAppDir(MpMstApplication.getContext()) + "logs/";
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File dir = new File(path);
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if (!dir.exists()) {
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dir.mkdirs();
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}
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FileOutputStream fos = new FileOutputStream(path + fileName);
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fos.write(sb.toString().getBytes());
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fos.close();
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}
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return fileName;
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} catch (Exception e) {
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Log.e(TAG, "an error occured while writing file...", e);
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}
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return null;
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}
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}
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@ -0,0 +1,23 @@
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package com.xypower.mpmaster;
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import android.app.Application;
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import android.content.Context;
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public class MpMstApplication extends Application {
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private static Context context;
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@Override
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public void onCreate() {
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super.onCreate();
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context = getApplicationContext();
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//初始化-异常捕获(设置该CrashHandler为程序的默认处理器)
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CrashHandler unCeHandler = new CrashHandler();
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Thread.setDefaultUncaughtExceptionHandler(unCeHandler);
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}
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public static Context getContext() {
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return context;
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}
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}
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@ -1,5 +1,5 @@
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<resources>
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<string name="app_name">MpMaster</string>
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<string name="app_name">运维APP</string>
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<string name="text_name_notification">Notification Name</string>
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</resources>
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