直播app开发,Android ListView好友列表展示
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:ignore="ExtraText">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="好友列表"
android:textSize="20dp" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ListView
android:id="@+id/listview"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:spinnerMode="dialog" />
</LinearLayout>
</LinearLayout>
《item list》文件
html
<?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="wrap_content"
android:orientation="horizontal">
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1">
<ImageView
android:id="@+id/iv_icon"
android:layout_width="80dp"
android:layout_height="80dp"
android:gravity="center" />
</LinearLayout>
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="3"
android:orientation="vertical">
<TextView
android:id="@+id/tv_name"
android:textStyle="bold"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:textColor="#000000"
android:textSize="30dp" />
<TextView
android:id="@+id/neirong"
android:textColor="#969696"
android:layout_width="match_parent"
android:layout_weight="1"
android:layout_height="0dp"
android:textSize="17sp"/>
</LinearLayout>
</LinearLayout>
Java代码
java
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.HashMap;
public class MainActivity extends AppCompatActivity {
private ArrayList datas;
private ListView listview;
private int[] iconArray =
{R.mipmap.hope, R.mipmap.meili, R.mipmap.brightness,
R.mipmap.banye, R.mipmap.bianfeng, R.mipmap.feitian,R.mipmap.guilaixi};
private String[] starArray = {"hope", "美丽心情", "brightness", "半叶", "彼岸风", "飞天", "归来兮"};
private String str="这个家伙很懒";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listview = findViewById(R.id.listview);
datas = new ArrayList();
for (int i = 0; i < starArray.length; i++) {
HashMap listData = new HashMap();
listData.put("image", iconArray[i]);
listData.put("name", starArray[i]);
listData.put("neirong",str);
datas.add(listData);
}
//创建适配器对象
SimpleAdapter starAdapter = new SimpleAdapter(this, datas,
R.layout.item_list, new String[]{"image", "name","neirong"},
new int[]{R.id.iv_icon, R.id.tv_name,R.id.neirong});
//设置适配器
listview.setAdapter(starAdapter);
listview.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view,
int position, long l) {
Toast.makeText(MainActivity.this,
"好友" + starArray[position], Toast.LENGTH_LONG).show();
}
});
}
}
以上就是直播app开发,Android ListView好友列表展示, 更多内容欢迎关注之后的文章
原创文章,作者:ItWorker,如若转载,请注明出处:https://blog.ytso.com/272761.html