学步园

		SharedPreferences sharedPreferences = this.getSharedPreferences("share", MODE_PRIVATE);  
        
		boolean isFirstRun = sharedPreferences.getBoolean("isFirst", true);  
		Editor editor = sharedPreferences.edit();  
		  
		if (isFirst)  
		{  
		    Log.d("debug", "第一次运行");  
		    editor.putBoolean("isFirst", false);  
		    editor.commit();  
		} else  
		{  
		    Log.d("debug", "不是第一次运行");  
		}