显示隐藏软键盘

public void showInput(boolean flag){
		InputMethodManager imm = (InputMethodManager)  
		etSearch.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
		
		if (flag == true){  
	        imm.showSoftInput(etSearch, 0); //显示软键盘  
		}else{
	        imm.hideSoftInputFromWindow(etSearch.getWindowToken(), 0);//隐藏软键盘  
	    } 
	}