如何方便的收集app崩溃日志

setDefaultUncaughtExceptionHandler(Thread.UncaughtExceptionHandler var0)

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

    private static ExceptionHandler mInstance;
    private Context mContext;
    private SimpleDateFormat mFormat = new SimpleDateFormat("yyyy-MM-dd_HH-mm-ss");

    private ExceptionHandler() {
    }

    public static ExceptionHandler getInstance() {
        if(mInstance == null) {
            mInstance = new ExceptionHandler();
        }
        return mInstance;
    }

    public void init(Context context) {
        mContext = context;
        Thread.setDefaultUncaughtExceptionHandler(this);
    }

    @Override
    public void uncaughtException(Thread t, Throwable e) {
        try {
            Log.d(TAG, "uncaughtException: " + e.getMessage());
            File cache = mContext.getExternalCacheDir();
            String time = mFormat.format(new Date(System.currentTimeMillis()));
            String crashName = "crash_" + time + ".log";
            File crash = new File(cache, crashName);
            StringWriter stringWriter = new StringWriter();
            PrintWriter writer = new PrintWriter(stringWriter);
            e.getCause().printStackTrace(writer);
            writer.close();
            FileOutputStream fos = new FileOutputStream(crash, true);
            fos.write(stringWriter.toString().getBytes());
            fos.flush();
            fos.close();
            System.exit(0);
            Process.killProcess(Process.myPid());
        } catch (Exception exp) {
            Log.e(TAG, "uncaughtException: " + exp.getMessage());
            System.exit(0);
            Process.killProcess(Process.myPid());
        }
    }
}