GridView 元素间距设定

GridView 元素距离设定

 

因为该设定比较简单 防止以后忘记 所以贴 供自己查阅

 

 

 

1. 布局：main.xml

 

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<GridView
    android:id="@+id/grid"  
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:layout_centerInParent="true"
    
    android:horizontalSpacing="50dp" 
    android:verticalSpacing="50dp" 
    />
</RelativeLayout>

 

 

 

 

2. *.jave: GriUsage.java

 

public class GridUsage extends Activity {
	GridView grid;
	ImageAdapter iAdapter;
	
	String[] text = {
			"one","two","three","four","five","six","seven","eight","nine","ten"
	};
	
	/** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        grid = (GridView)findViewById(R.id.grid);
        iAdapter = new ImageAdapter(this);
        
        grid.setAdapter(iAdapter);
        grid.setNumColumns(3);
        
    }
    
    public class ImageAdapter extends BaseAdapter {
    	Activity activity;
    	
    	public ImageAdapter(Activity a){
    		activity = a;
    	}
		@Override
		public int getCount() {
			// TODO Auto-generated method stub
			return text.length;
		}

		@Override
		public Object getItem(int arg0) {
			// TODO Auto-generated method stub
			return null;
		}

		@Override
		public long getItemId(int arg0) {
			// TODO Auto-generated method stub
			return arg0;
		}

		@Override
		public View getView(int position, View convertView, ViewGroup parent) {
			// TODO Auto-generated method stub
			TextView tv;
			
			if(convertView == null){
				tv = new TextView(activity);
			}
			else {
				tv = (TextView)convertView;
			}
			
			tv.setSingleLine(true);
			tv.setBackgroundResource(R.drawable.back);
			tv.setGravity(Gravity.CENTER);
			tv.setText(text[position]);
			return tv;
		}
    	
    }
    
}

 

 

3. emulator 运行截图：

 

 

 

that's all.  any idea or other are welcome!!!!

 

你好，能给我解释一下资源文件中back.9.png的名字问题吗，去掉9就会有问题。麻烦你了

不能设置行高.让我很头疼

我来回答你吧，那个9是表示这张图片为了在缩放的时候不至于变形而处理过。9不能去掉