android fragment 显示ListView，并可以添加动画图片_android中 fragment 添加 imagview-优快云博客

本文链接：https://blog.youkuaiyun.com/ccm_oliver/article/details/41310129

本文展示了如何在Android应用中，通过Fragment显示一个包含ListView的界面，并且为ListView的每一项添加动画效果。在MainActivity中使用Viewpager与Fragment进行交互，Fragment内部创建并设置ListView的适配器，同时利用AnimationDrawable实现图片动画。每个ListView项根据位置不同应用不同的动画。

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主要流程： Activity中Viewpager 通过Fragment List 获取切换中的Fragment，Fragment 逐个获取ListView中的元素来显示。

MainActivity：

public class TestFragment extends Fragment {
private static final String TAG = "TestFragment";
private String hello;// = "hello android";
private String defaultHello = "default value";
private Map<String, Object> maplist;
static TestFragment newInstance(String s, Map<String, Object> map) {
TestFragment newFragment = new TestFragment();
// Bundle bundle = new Bundle();
// bundle.putString("hello", s);
// newFragment.setArguments(bundle);

final SerializableMap myMap=new SerializableMap();
myMap.setMap(map);
Bundle bundle = new Bundle();

bundle.putSerializable("map", myMap);
newFragment.setArguments(bundle);
return newFragment;

}

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log.d(TAG, "TestFragment-----onCreate");
Bundle args = getArguments();
// hello = args != null ? args.getString("hello") : defaultHello;

Bundle bundle = getArguments();
SerializableMap serializableMap = (SerializableMap) bundle.get("map");
maplist =serializableMap.getMap();

}

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {
Log.d(TAG, "TestFragment-----onCreateView");
View view = inflater.inflate(R.layout.lay1, container, false);



// TextView viewhello = (TextView) view.findViewById(R.id.tv_hello);
//viewhello.setText(maplist.get("userid")+"time");

ListView lv = (ListView) view.findViewById(R.id.listView3);
ContactAdapter hc = new ContactAdapter(getActivity().getApplicationContext(),getContact());
lv.setAdapter(hc);
lv.setCacheColorHint(0);
lv.setOnItemClickListener(new OnItemClickListenerImpl());
return view;

}

private class OnItemClickListenerImpl implements OnItemClickListener {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
Toast.makeText(getActivity(), "OK", Toast.LENGTH_SHORT).show();
}
}



private ArrayList<Contact> getContact(){
ArrayList<Contact> hcList = new ArrayList<Contact>();

for(int i=0;i<10;i++)
{
Contact c0 = new Contact();
c0.setTxPath(R.drawable.icon+"");

c0.setName(maplist.get("userid")+" 年龄："+maplist.get("age"));
hcList.add(c0);
}

return hcList;
}

@Override
public void onDestroy() {
super.onDestroy();
Log.d(TAG, "TestFragment-----onDestroy");
}

}

MyFragmentPagerAdapter：

public class MyFragmentPagerAdapter extends FragmentPagerAdapter {
private ArrayList<Fragment> fragmentsList;

public MyFragmentPagerAdapter(FragmentManager fm) {
super(fm);
}

public MyFragmentPagerAdapter(FragmentManager fm, ArrayList<Fragment> fragments) {
super(fm);
this.fragmentsList = fragments;
}

@Override
public int getCount() {
return fragmentsList.size();
}

@Override
public Fragment getItem(int arg0) {
return fragmentsList.get(arg0);
}

@Override
public int getItemPosition(Object object) {
return super.getItemPosition(object);
}

}

SerializableMap：

public class SerializableMap implements Serializable {

private Map<String,Object> map;

public Map<String, Object> getMap() {
return map;
}

public void setMap(Map<String, Object> map) {
this.map = map;
}

}

TestFragment：

ContactAdapter：

public class ContactAdapter extends BaseAdapter {
private Context context;
private ArrayList<Contact> list = new ArrayList<Contact>();

public ContactAdapter(Context context,ArrayList<Contact> list){
this.context = context;
this.list = list;
}

@Override
public int getCount() {
return list.size();
}

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

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

@Override
public View getView(int position, View view, ViewGroup parent) {

AnimationDrawable scanAnimation;

Contact hh = list.get(position);
H h = null;
if(view==null){
h = new H();
view = LayoutInflater.from(context).inflate(R.layout.list3, parent, false);
h.pic = (ImageView)view.findViewById(R.id.tx1);
h.name = (TextView)view.findViewById(R.id.tx2);

view.setTag(h);
}else{
h = (H)view.getTag();
}

//h.pic.setImageResource(Integer.parseInt(hh.getTxPath()));
if(position%2==0){
h.pic.setBackgroundResource(R.drawable.img);
scanAnimation=(AnimationDrawable)h.pic.getBackground();
scanAnimation.start();
}else{
h.pic.setBackgroundResource(R.drawable.pic);
scanAnimation=(AnimationDrawable)h.pic.getBackground();
scanAnimation.start();
}
h.name.setText(hh.getName());

return view;

}

class H{
ImageView pic;
TextView name;
}
}

Contact：

public class Contact {
private String txPath;
private String weixinID;
private String name;
private String fristNameA;
private String desc;
public String getTxPath() {
return txPath;
}
public void setTxPath(String txPath) {
this.txPath = txPath;
}
public String getWeixinID() {
return weixinID;
}
public void setWeixinID(String weixinID) {
this.weixinID = weixinID;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getFristNameA() {
return fristNameA;
}
public void setFristNameA(String fristNameA) {
this.fristNameA = fristNameA;
}
public String getDesc() {
return desc;
}
public void setDesc(String desc) {
this.desc = desc;
}

}