在AndroidManifest.<uses-permission android:name="android.permission.INTERNET"/>效果图如下:下面是主要代码: 1 package com.hb.neting; 2 3 i ...
在AndroidManifest.
<uses-permission android:name="android.permission.INTE.NET"/>
效果图如下:
下面是主要代码:
1 package com.hb.neting; 2 3 import java.io.InputStream; 4 import java.net.HttpURLConnection; 5 import java.net.URL; 6 7 import android.annotation.SuppressLint; 8 import android.app.Activity; 9 import android.graphics.Bitmap;10 import android.graphics.BitmapFactory;11 import android.os.Bundle;12 import android.text.TextUtils;13 import android.view.View;14 import android.widget.EditText;15 import android.widget.ImageView;16 import android.widget.Toast;17 18 public class MainActivity extends Activity {19 private ImageView iv_show;20 private EditText et_input;21 private String path;22 private int code;23 private HttpURLConnection conn;24 @Override25 protected void onCreate(Bundle savedInstanceState) {26 super.onCreate(savedInstanceState);27 setContentView(R.layout.activity_main);28 iv_show=(ImageView) findViewById(R.id.iv_show);29 et_input=(EditText) findViewById(R.id.et_inpput);30 }31 @SuppressLint("ShowToast") public void chakan(View view){32 path = et_input.getText().toString().trim();33 if (TextUtils.isEmpty(path)) {34 Toast.makeText(MainActivity.this, "不能输入空的", 0).show();35 return;36 }37 new Thread(){38 public void run() {39 try {40 URL url = new URL(path);41 conn = (HttpURLConnection) url.openConnection();42 conn.setRequestMethod("GET");43 conn.setConnectTimeout(5000);44 code = conn.getResponseCode();45 if(code==200){46 InputStream in = conn.getInputStream();47 //解析图片48 final Bitmap stream = BitmapFactory.decodeStream(in);49 runOnUiThread(new Runnable() {50 public void run() {51 //更新UI52 iv_show.setImageBitmap(stream);53 }54 });55 in.close();56 }57 } catch (Exception e) {58 e.printStackTrace();59 }60 };61 }.start();62 }63 }
原标题:Android 网络图片查看器与网页源码查看器
关键词:Android
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