硅谷社交2--歡迎頁面，硅谷社交2--

硅谷社交2--歡迎頁面，硅谷社交2--

SplashActivity 

public class SplashActivity extends Activity {
    private Handler handler = new Handler(){
        public void handleMessage(Message msg){
            // 如果當前activity已經退出，那麼我就不處理handler中的消息
            if(isFinishing()) {
                return;
            }
            // 判斷進入主頁面還是登錄頁面
            toMainOrLogin();
        }
    };

    // 判斷進入主頁面還是登錄頁面
    private void toMainOrLogin() {
//        new Thread(){
//            public void run(){
//
//            }
//        }.start();

        Model.getInstance().getGlobalThreadPool().execute(new Runnable() {
            @Override
            public void run() {
                // 判斷當前賬號是否已經登錄過
                if(EMClient.getInstance().isLoggedInBefore()) {// 登錄過

                    // 獲取到當前登錄用戶的信息
                    UserInfo account = Model.getInstance().getUserAccountDao().getAccountByHxId(EMClient.getInstance().getCurrentUser());
                    if(account == null) {
                        // 跳轉到登錄頁面
                        Intent intent = new Intent(SplashActivity.this, LoginAcitivity.class);
                        startActivity(intent);
                    }else {
                        // 登錄成功後的方法
                        Model.getInstance().loginSuccess(account);
                        // 跳轉到主頁面
                        Intent intent = new Intent(SplashActivity.this, MainActivity.class);
                        startActivity(intent);
                    }
                }else {// 沒登錄過
                    // 跳轉到登錄頁面
                    Intent intent = new Intent(SplashActivity.this, LoginAcitivity.class);
                    startActivity(intent);
                }
                // 結束當前頁面
                finish();
            }
        });
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_splash);

        // 發送2s鐘的延時消息
        handler.sendMessageDelayed(Message.obtain(),2000);
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        // 銷毀消息
        handler.removeCallbacksAndMessages(null);
    }
}

Model中創建全局線程池

private ExecutorService executorService  =  Executors.newCachedThreadPool();

public ExecutorService getGlobalThreadPool() {
    return executorService;
}

github完整代碼:https://github.com/ganchuanpu/IM