package zuoyeqi;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class MainActivity extends Activity {
private ListView listview;
@Override
protected void onCreate(Bundle savedInstanceState) {
// https://www.cnblogs.com/tinyphp/p/3880511.html
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listview = (ListView) this.findViewById(R.id.lv);
int[] im = {R.drawable.qq,R.drawable.wx,
R.drawable.jd,R.drawable.xl,R.drawable.tm,R.drawable.ddz};
String[] title = {"qq","微信","京东","新浪","天猫","斗地主"};
List<Map<String, Object>> listitem = new ArrayList<Map<String, Object>>();
for (int i = 0; i < title.length; i++) {
Map<String, Object> map = new HashMap<String, Object>();
map.put("image", im[i]);
map.put("title", title[i]);
listitem.add(map);
}
myAdapter adapter = new myAdapter(this, listitem);
listview.setAdapter(adapter);
listview.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
Toast.makeText(MainActivity.this, "正在下载", Toast.LENGTH_SHORT).show();
}
});
}
}
class myAdapter extends BaseAdapter {
private Context context;
private List<Map<String, Object>> listitem;
public myAdapter(Context context, List<Map<String, Object>> listitem) {
this.context = context;
this.listitem = listitem;
}
@Override
public int getCount() {
return listitem.size();
}
@Override
public Object getItem(int position) {
return listitem.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
convertView = LayoutInflater.from(context).inflate(R.layout.item, null);
}
ImageView imageView = (ImageView) convertView.findViewById(R.id.iv);
TextView textView = (TextView) convertView.findViewById(R.id.TV);
Map<String, Object> map = listitem.get(position);
imageView.setImageResource((Integer) map.get("image"));
textView.setText(map.get("title") + "");
return convertView;
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="30sp"
android:orientation="horizontal" >
<ImageView
android:id="@+id/iv"
android:layout_width="74dp"
android:layout_height="64dp"
android:src="@drawable/qq" />
<TextView
android:id="@+id/TV"
android:layout_width="match_parent"
android:layout_height="74dp"
android:gravity="center_horizontal|bottom"
android:text=""
android:textSize="20sp" />
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_marginTop="40dp"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<ListView
android:id="@+id/lv"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
</ListView>
</LinearLayout>