Android HttpURLConnection 异常

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Android HttpURLConnection 异常(一)

W/System.err: java.net.MalformedURLException: Protocol not found: www.baidu.com

W/System.err: at java.net.URL.<init>(URL.java:176)
W/System.err: at java.net.URL.<init>(URL.java:125)
W/System.err: at com.common.framework.network.HttpUtils.getHttpURLConnection(HttpUtils.java:52)
W/System.err: at com.common.framework.activity.MainActivity.onCreate(MainActivity.java:39)
W/System.err: at android.app.Activity.performCreate(Activity.java:5301)
W/System.err: at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1090)
W/System.err: at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2259)
W/System.err: at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2345)
W/System.err: at android.app.ActivityThread.access$1100(ActivityThread.java:139)
W/System.err: at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1256)
W/System.err: at android.os.Handler.dispatchMessage(Handler.java:102)
W/System.err: at android.os.Looper.loop(Looper.java:136)
W/System.err: at android.app.ActivityThread.main(ActivityThread.java:5314)
W/System.err: at java.lang.reflect.Method.invokeNative(Native Method)
W/System.err: at java.lang.reflect.Method.invoke(Method.java:515)
W/System.err: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:864)
W/System.err: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:680)

W/System.err: at dalvik.system.NativeStart.main(Native Method)

错误原因就是这是http请求，需要在请求地址上加入 http://协议 http://www.baidu.com

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