在Application的onCreate里注册

    //crash捕获
    CrashHandler.getInstance().init(context, BuildConfig.RELEASE);

release时不额外处理crash信息

CrashHandler内容如下:

public class CrashHandler implements Thread.UncaughtExceptionHandler {
    public static final String TAG = "CrashHandler";

    // CrashHandler 实例
    private static CrashHandler INSTANCE = new CrashHandler();

    // 程序的 Context 对象
    private Context context;

    // 系统默认的 UncaughtException 处理类
    private Thread.UncaughtExceptionHandler defaultHandler;

    // 用来存储设备信息和异常信息
    private Map<String, String> infos = new HashMap<String, String>();

    // 用于格式化日期,作为日志文件名的一部分
    private DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");

    boolean isRelease = true;

    String crashInfo;

    private CrashHandler() {
    }

    public static CrashHandler getInstance() {
        return INSTANCE;
    }

    /**
     * 初始化
     *
     * @param context
     */
    public void init(Context context, boolean isRelease) {
        this.context = context;
        this.isRelease = isRelease;

        // 获取系统默认的 UncaughtException 处理器
        defaultHandler = Thread.getDefaultUncaughtExceptionHandler();

        // 设置该 CrashHandler 为程序的默认处理器
        Thread.setDefaultUncaughtExceptionHandler(this);
    }

    /**
     * 当 UncaughtException 发生时会转入该函数来处理
     */
    @Override
    public void uncaughtException(Thread thread, Throwable ex) {
        if (!handleException(ex) && defaultHandler != null) {
            // 如果用户没有处理则让系统默认的异常处理器来处理
            defaultHandler.uncaughtException(thread, ex);
        } else {
            try {
                Thread.sleep(2000);
            } catch (InterruptedException e) {
                LogUtils.e(TAG, e);
            }

            // 重新启动程序,注释上面的退出程序
            Intent intent = new Intent();
            intent.setClass(context, MainActivity.class);
            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            intent.putExtra(SHBaseConstants.CRASH, crashInfo);
            context.startActivity(intent);
            android.os.Process.killProcess(android.os.Process.myPid());
        }
    }

    /**
     * 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
     *
     * @param ex
     * @return true:如果处理了该异常信息;否则返回 false
     */
    private boolean handleException(Throwable ex) {
        if (ex == null) {
            return false;
        }
        if (isRelease) {
            return true;
        }

        // 使用 Toast 来显示异常信息
        new Thread() {
            @Override
            public void run() {
                Looper.prepare();
                Toast.makeText(context, "很抱歉,程序出现异常,即将退出。", Toast.LENGTH_LONG).show();
                Looper.loop();
            }
        }.start();

        // 收集设备参数信息
        collectDeviceInfo(context);
        // 保存日志文件
        saveCrashInfo2File(ex);
        return true;
    }

    /**
     * 收集设备参数信息
     * @param ctx
     */
    public void collectDeviceInfo(Context ctx) {
        try {
            PackageManager pm = ctx.getPackageManager();
            PackageInfo pi = pm.getPackageInfo(ctx.getPackageName(), PackageManager.GET_ACTIVITIES);

            if (pi != null) {
                String versionName = pi.versionName == null ? "null" : pi.versionName;
                String versionCode = pi.versionCode + "";
                infos.put("versionName", versionName);
                infos.put("versionCode", versionCode);
            }
        } catch (PackageManager.NameNotFoundException e) {
            LogUtils.e(TAG,  e);
        }

        Field[] fields = Build.class.getDeclaredFields();
        for (Field field : fields) {
            try {
                field.setAccessible(true);
                infos.put(field.getName(), field.get(null).toString());
                LogUtils.d(TAG, field.getName() + " : " + field.get(null));
            } catch (Exception e) {
                LogUtils.e(TAG, e);
            }
        }
    }

    /**
     * 保存错误信息到文件中
     *
     * @param ex
     * @return  返回文件名称,便于将文件传送到服务器
     */
    private String saveCrashInfo2File(Throwable ex) {
        StringBuffer sb = new StringBuffer();
        for (Map.Entry<String, String> entry : infos.entrySet()) {
            String key = entry.getKey();
            String value = entry.getValue();
            sb.append(key + "=" + value + "\n");
        }

        Writer writer = new StringWriter();
        PrintWriter printWriter = new PrintWriter(writer);
        ex.printStackTrace(printWriter);
        Throwable cause = ex.getCause();
        while (cause != null) {
            cause.printStackTrace(printWriter);
            cause = cause.getCause();
        }
        printWriter.close();

        String result = writer.toString();
        sb.append(result);
        crashInfo = sb.toString();

        try {
            long timestamp = System.currentTimeMillis();
            String time = formatter.format(new Date());
            String fileName = "crash-" + time + "-" + timestamp + ".log";

            if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {

                File dir = Environment.getExternalStoragePublicDirectory("shop-crash");
                if (!dir.exists()) {
                    dir.mkdirs();
                }
                FileOutputStream fos = new FileOutputStream(dir.getPath() + fileName);
                fos.write(sb.toString().getBytes());
                fos.close();
            }

            return fileName;
        } catch (Exception e) {
            LogUtils.e(TAG, e);
        }

        return null;
    }
}

标签: none

评论已关闭