弄了一整天总算把这种效果弄出来了。
附上demo下载链接 点击打开链接
先上张效果图:
点击下面4个按钮,是中间的布局跳转.
下方的布局是一个GridView,中间一个LinearLayout.
代码:
main.xml
- <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:layout_width="fill_parent" android:layout_height="fill_parent"
- android:orientation="vertical" android:background="#EBF1DE"
- android:id="@+id/mainLayout" >
- <LinearLayout android:id="@+id/center"
- android:layout_width="fill_parent" android:layout_height="wrap_content"
- android:layout_below="@+id/lin"/>
- <GridView
- android:id="@+id/grid_view"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:layout_alignParentBottom="true"
- android:layout_gravity= "bottom"
- android:numColumns="4"
- android:horizontalSpacing="10dp"
- android:gravity="center_horizontal"
- android:background="@drawable/maintab_toolbar_bg">
- </GridView>
- </RelativeLayout>
对于gridView中数据项的xml:
item.xml:
- <?xml version="1.0" encoding="utf-8"?>
- <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:orientation="vertical"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content">
- <ImageView
- android:id="@+id/item_iamge"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:layout_gravity="center_horizontal"
- />
- <TextView
- android:id="@+id/item_text"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:layout_gravity="center_horizontal"
- android:textSize="10.0dip"/>
- </LinearLayout>
关键是主Activity要继承自ActivityGroup
MainActivity:
- public class MainActivity extends ActivityGroup{
- private int selected;
- public LinearLayout container;
- @Override
- public void onCreate(Bundle savedInstanceState){
- super.onCreate(savedInstanceState);
- super.setContentView(R.layout.main);
- container = (LinearLayout)findViewById(R.id.center);
- ArrayList<HashMap<String, Object>> menu_data = new ArrayList<HashMap<String,Object>>();
- int[] images = { R.drawable.home, R.drawable.publish,R.drawable.change,R.drawable.more };
- String[] menu_texts = { "主页", "发布", "随便看看","更多" };
- for(int i=0;i<images.length;i++){
- HashMap<String, Object> map = new HashMap<String, Object>();
- map.put("menu_image", images[i]);
- map.put("menu_text", menu_texts[i]);
- menu_data.add(map);
- }
- GridView gv = (GridView)findViewById(R.id.grid_view);
- SimpleAdapter adapter = new SimpleAdapter(this, menu_data,
- R.layout.item, new String[] { "menu_image", "menu_text" },
- new int[] { R.id.item_iamge, R.id.item_text });
- gv.setAdapter(adapter);
- switchActivity(selected);
- gv.setOnItemClickListener(new OnItemClickListener(){
- @Override
- public void onItemClick(AdapterView<?> parent, View view,
- int position, long id) {
- if(selected == position){
- return;
- }
- selected = position;
- switchActivity(selected);
- }
- });
- }
- public void switchActivity(int selected){
- container.removeAllViews();
- Intent intent = null;
- String tag = "";
- if(selected==0){
- intent = new Intent(MainActivity.this, TabActivity01.class);
- tag = "tabActivity01";
- }else if(selected==1){
- intent = new Intent(MainActivity.this, TabActivity02.class);
- tag = "tabActivity02";
- }else if(selected==2){
- intent = new Intent(MainActivity.this,TabActivity01.class);
- tag = "tabActivity03";
- }else if(selected==3){
- intent = new Intent(MainActivity.this, TabActivity02.class);
- tag = "tabActivity04";
- }
- Window subActivity = getLocalActivityManager().startActivity(tag,intent);
- //容器添加View
- container.addView(subActivity.getDecorView(),
- LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
- }
- }
主要的代码就这些,其他的Activity可以自己随便写。