Android活动重新启动

public void restart()   
    {  
        Intent intent = getIntent();  
        overridePendingTransition(0, 0);  
        intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);  
        finish();  
        overridePendingTransition(R.anim.fade,R.anim.fade);
        startActivity(intent);

    }

public void restart()   
    {         
        onCreate();  
    }  

    Intent intent = getIntent();
    overridePendingTransition(0, 0);
    intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
    finish();
    overridePendingTransition(0, 0);
    startActivity(intent);

Intent intent = getIntent();
finish();
startActivity(intent);