12-02 05:07:06.005: E/AndroidRuntime(1773): FATAL EXCEPTION: main
12-02 05:07:06.005: E/AndroidRuntime(1773): android.os.NetworkOnMainThreadException
12-02 05:07:06.005: E/AndroidRuntime(1773): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1133)
12-02 05:07:06.005: E/AndroidRuntime(1773): at java.net.InetAddress.lookupHostByName(InetAddress.java:385)
12-02 05:07:06.005: E/AndroidRuntime(1773): at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
12-02 05:07:06.005: E/AndroidRuntime(1773): at java.net.InetAddress.getAllByName(InetAddress.java:214)
12-02 05:07:06.005: E/AndroidRuntime(1773): at libcore.net.http.HttpConnection.(HttpConnection.java:70)
12-02 05:07:06.005: E/AndroidRuntime(1773): at libcore.net.http.HttpConnection.(HttpConnection.java:50)
12-02 05:07:06.005: E/AndroidRuntime(1773): at libcore.net.http.HttpConnection$Address.connect(HttpConnection.java:340)
12-02 05:07:06.005: E/AndroidRuntime(1773): at libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:87)
12-02 05:07:06.005: E/AndroidRuntime(1773): at libcore.net.http.HttpConnection.connect(HttpConnection.java:128)
12-02 05:07:06.005: E/AndroidRuntime(1773): at libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:316)
12-02 05:07:06.005: E/AndroidRuntime(1773): at libcore.net.http.HttpsURLConnectionImpl$HttpsEngine.makeSslConnection(HttpsURLConnectionImpl.java:461)
12-02 05:07:06.005: E/AndroidRuntime(1773): at libcore.net.http.HttpsURLConnectionImpl$HttpsEngine.connect(HttpsURLConnectionImpl.java:433)
12-02 05:07:06.005: E/AndroidRuntime(1773): at libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:290)
12-02 05:07:06.005: E/AndroidRuntime(1773): at libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:240)
12-02 05:07:06.005: E/AndroidRuntime(1773): at libcore.net.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:282)
12-02 05:07:06.005: E/AndroidRuntime(1773): at libcore.net.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:177)
12-02 05:07:06.005: E/AndroidRuntime(1773): at libcore.net.http.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:271)
12-02 05:07:06.005: E/AndroidRuntime(1773): at com.example.lab6exam01.MainActivity$1$1.run(MainActivity.java:55)
12-02 05:07:06.005: E/AndroidRuntime(1773): at android.os.Handler.handleCallback(Handler.java:730)
12-02 05:07:06.005: E/AndroidRuntime(1773): at android.os.Handler.dispatchMessage(Handler.java:92)
12-02 05:07:06.005: E/AndroidRuntime(1773): at android.os.Looper.loop(Looper.java:137)
12-02 05:07:06.005: E/AndroidRuntime(1773): at android.app.ActivityThread.main(ActivityThread.java:5103)
12-02 05:07:06.005: E/AndroidRuntime(1773): at java.lang.reflect.Method.invokeNative(Native Method)
12-02 05:07:06.005: E/AndroidRuntime(1773): at java.lang.reflect.Method.invoke(Method.java:525)
12-02 05:07:06.005: E/AndroidRuntime(1773): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
12-02 05:07:06.005: E/AndroidRuntime(1773): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
12-02 05:07:06.005: E/AndroidRuntime(1773): at dalvik.system.NativeStart.main(Native Method)
安卓通过api获取天气预报,报错,看不懂提示啊
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- threenewbee 2018-12-02 14:13关注
12-02 05:07:06.005: E/AndroidRuntime(1773): at java.net.InetAddress.lookupHostByName(InetAddress.java:385)
目测是dns没有办法解析
你的天气预报的api的地址的域名部分是否正确,网络是否畅通,dns是否能解析。在你模拟器的浏览器里上网打开对应的域名看看
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