Android开发学习笔记-GridView的动态显示

1、添加GridItem布局文件

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:orientation="vertical" >

<ImageView
android:id="@+id/iv_image"
android:layout_width="wrap_content"
android:layout_height="60dp"

android:src="@drawable/app" />

<TextView
android:id="@+id/tv_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="设置中心" />

</LinearLayout>

2、主界面添加GridView

<GridView
android:id="@+id/grid_main"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:numColumns="3"
>

</GridView>

3、添加自定义适配器类，并对自定义griditem布局文件中的控件进行设置值

protected class MyGridAdapter extends BaseAdapter {

@Override
public int getCount() {
// TODO Auto-generated method stub
return titles.length;
}

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

@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
View view = View.inflate(MainActivity.this, R.layout.list_item_main, null);
TextView title =  (TextView) view.findViewById(R.id.tv_title);
title.setText(titles[position]);

return view;
}

4、设置主界面中的GridItem

private GridView grid_main;
private MyGridAdapter adapter;
private static String []titles = {"设置中心1","设置中心2","设置中心3","设置中心4","设置中心5","设置中心6","设置中心7","设置中心8","设置中心9"};

....
grid_main = (GridView) findViewById(R.id.grid_main);
adapter = new MyGridAdapter();
grid_main.setAdapter(adapter);

5、添加item点击事件

grid_main.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// TODO Auto-generated method stub
ConsoleItemClick(position);
}
});

6、显示