// RuntimInit
protected static final void commonInit() {
    LoggingHandler loggingHandler = new LoggingHandler();
    // 設(shè)置preExceptionHandler
    Thread.setUncaughtExceptionPreHandler(loggingHandler);
    // KillApplicationHandler 作為全局 Handler
    Thread.setDefaultUncaughtExceptionHandler(new KillApplicationHandler(loggingHandler));
    //...
}

   private static class KillApplicationHandler implements Thread.UncaughtExceptionHandler {
        private final LoggingHandler mLoggingHandler;
        public KillApplicationHandler(LoggingHandler loggingHandler) {
            // 傳入loggingHandler用于打日志
            this.mLoggingHandler = Objects.requireNonNull(loggingHandler);
        }
        @Override
        public void uncaughtException(Thread t, Throwable e) {
            try {
                // 打日志
                ensureLogging(t, e);
                // 已經(jīng)在crash中了，不處理了
                if (mCrashing) return;
                mCrashing = true;
                // ...
            } catch (Throwable t2) {
                // ...
            } finally {
                // 通知內(nèi)核殺掉進程
                Process.killProcess(Process.myPid());
                // 停止VM
                System.exit(10);
            }
        }