效果图:
1.添加依赖,在app下builder.gradle
implementation 'com.github.bumptech.glide:glide:4.8.0'
2.清单文件,添加联网权限:
<uses-permission android:name="android.permission.INTERNET" />
3.主界面:
import android.annotation.SuppressLint;
import android.app.Activity;
import android.os.Bundle;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import com.bumptech.glide.Glide;
/**
* Created by wrs on 2019/5/28,18:58
* projectName: Testz
* packageName: com.example.administrator.testz
*/
public class FirstActivity extends Activity {
private Button btn;
private ImageView iv;
private String url ="http://img2.imgtn.bdimg.com/it/u=51838034,1216139298&fm=26&gp=0.jpg";
@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_first);
btn = (Button) findViewById(R.id.btn_first);
iv = (ImageView) findViewById(R.id.iv_first);
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Glide.with(getApplicationContext()).load(url).into(iv);
}
});
}
}
4.布局界面:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<Button
android:id="@+id/btn_first"
android:layout_width="150dp"
android:layout_height="wrap_content"
android:text="下载" />
<ImageView
android:id="@+id/iv_first"
android:layout_width="250dp"
android:layout_height="250dp"
android:src="@mipmap/ic_launcher"
/>
</LinearLayout>
add:新增默认加载失败的图片
Glide.with(context).load(languageList.get(position).getCitylist().get(i).getArea_img())
.placeholder(R.mipmap.banner_civilization).dontAnimate().error(R.mipmap.banner_civilization).into(holder.iv[i]);
end