直播源码用Glide框架缓存压缩图片做一个网络图片查看器

ImgActivity.java

package com.example.a20200712; import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.util.DisplayMetrics;import android.util.Log;import android.view.View;import android.view.ViewGroup;import android.widget.EditText;import android.widget.ImageView;import android.widget.Toast; import androidx.annotation.Nullable;import androidx.appcompat.app.AppCompatActivity; import com.bumptech.glide.Glide; import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.IOException;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.ProtocolException;import java.net.URL; public class ImgActivity extends AppCompatActivity {     private EditText imgPath;    private ImageView img;     @Override    protected void onCreate(@Nullable Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.img_view_layout);        imgPath = findViewById(R.id.img_layout_imgText);        img = findViewById(R.id.img_layout_img);    }     public void imgviewonClick(View view) {        Glide.with(ImgActivity.this).load(imgPath.getText().toString()).into(img);    } }

img_view_layout.xml

<?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">     <EditText        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:id="@+id/img_layout_imgText"        android:hint="请输入地址">     </EditText>    <Button        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="查看"        android:onClick="imgviewonClick"></Button>    <ImageView        android:id="@+id/img_layout_img"        android:layout_width="match_parent"        android:layout_height="match_parent"></ImageView></LinearLayout>

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