HttpURLConnection和okHttp两种获取网络数据的实现方法

2023-09-17 03:30:05 65

publicclassNetActivityextendsAppCompatActivityimplementsView.OnClickListener{ privateButtonhttp,okhttp; privateTextViewstringData; privateStringweb="https://www.baidu.com"; @Override protectedvoidonCreate(BundlesavedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.activity_net); http=(Button)findViewById(R.id.http); okhttp=(Button)findViewById(R.id.okhttp); stringData=(TextView)findViewById(R.id.stringData); http.setOnClickListener(this); okhttp.setOnClickListener(this); } @Override publicvoidonClick(Viewv){ switch(v.getId()){ caseR.id.http: sendRequestWithHttpURLConnection(); break; caseR.id.okhttp: sendRequestWithokHttp(); break; } } privatevoidsendRequestWithHttpURLConnection(){ newThread(newRunnable(){ @Override publicvoidrun(){ HttpURLConnectionconnection=null; BufferedReaderreader=null; try{ URLurl=newURL(web); connection=(HttpURLConnection)url.openConnection(); connection.setRequestMethod("GET"); connection.setConnectTimeout(5000); connection.setReadTimeout(5000); InputStreamin=connection.getInputStream(); reader=newBufferedReader(newInputStreamReader(in)); StringBufferresponse=newStringBuffer(); Stringline; while((line=reader.readLine())!=null){ response.append(line); } showRespond(response.toString()); }catch(MalformedURLExceptione){ e.printStackTrace(); }catch(IOExceptione){ e.printStackTrace(); }finally{ if(reader!=null){ try{ reader.close(); }catch(IOExceptione){ e.printStackTrace(); } } } } }).start(); } privatevoidshowRespond(finalStringresponse){ runOnUiThread(newRunnable(){ @Override publicvoidrun(){ stringData.setText(response); } }); } privatevoidsendRequestWithokHttp(){ newThread(newRunnable(){ @Override publicvoidrun(){ try{ OkHttpClientclient=newOkHttpClient(); Requestrequest=newRequest.Builder() .url(web).build(); Responseresponse=client.newCall(request).execute(); Stringstr=response.body().string(); showRespond(str); }catch(IOExceptione){ e.printStackTrace(); } } }).start(); } }

dependencies{ compilefileTree(dir:'libs',include:['*.jar']) androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2',{ excludegroup:'com.android.support',module:'support-annotations' }) compile'com.android.support:appcompat-v7:24.2.1' compile'com.android.support:design:24.2.1' compile'com.squareup.okhttp3:okhttp:3.4.1'//依赖 testCompile'junit:junit:4.12' }

HttpURLConnection和okHttp两种获取网络数据的实现方法

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