66 lines
1.9 KiB
Java
66 lines
1.9 KiB
Java
package com.example.myapplication;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.os.Handler;
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import android.os.Message;
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import android.widget.ImageView;
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import javax.net.ssl.HttpsURLConnection;
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import java.io.BufferedInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.URL;
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public class ImageLoader {
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private ImageView mImageView;
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private String murl;
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private Handler handler = new Handler(){
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@Override
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public void handleMessage(Message msg) {
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super.handleMessage(msg);
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if(mImageView.getTag().equals(murl)) {
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mImageView.setImageBitmap((Bitmap) msg.obj);
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}
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}
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};
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public void showImagerByThread(ImageView imageView, final String url){
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mImageView = imageView;
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murl = url;
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new Thread(){
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@Override
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public void run() {
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super.run();
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Bitmap bitmap = getBitmapFromURL(url);
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Message message = Message.obtain();
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message.obj = bitmap;
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handler.sendMessage(message);
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}
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}.start();
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}
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public Bitmap getBitmapFromURL(String urlString){
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Bitmap bitmap;
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InputStream is = null;
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try {
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URL url = new URL(urlString);
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HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
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is = new BufferedInputStream(connection.getInputStream());
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bitmap = BitmapFactory.decodeStream(is);
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connection.disconnect();
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return bitmap;
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} catch (java.io.IOException e) {
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e.printStackTrace();
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} finally {
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try {
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is.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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return null;
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}
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}
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