GridView myGrid= (GridView) findViewById(R.id.gridview);
LinearLayout.LayoutParams linearParams = (LinearLayout.LayoutParams) mGrid.getLayoutParams(); // 取控件mGrid當前的佈局參數
linearParams.height = 50;// 當控件的高強制設成50象素
myGrid.setLayoutParams(linearParams); // 使設置好的佈局參數應用到控件myGrid
GridView 可以是其他