Volley和Android互联网权限无效

概述我正试图用截击. 这是我的android清单:(我已添加access_network_state因为建议但我认为不是真的需要) <?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.informatica 我正试图用截击.

这是我的android清单:(我已添加access_network_state因为建议但我认为不是真的需要)

<?xml version="1.0" enCoding="utf-8"?><manifest xmlns:androID="http://schemas.androID.com/apk/res/androID"    package="com.informaticalab.volleyexample" >    <uses-permission androID:name="androID.permission.INTERNET"/>    <uses-permission androID:name="androID.permission.ACCESS_NETWORK_STATE"/>    <application        androID:allowBackup="true"        androID:icon="@drawable/ic_launcher"        androID:label="@string/app_name"        androID:theme="@style/Apptheme" >        <activity            androID:name=".MainActivity"            androID:label="@string/app_name" >            <intent-filter>                <action androID:name="androID.intent.action.MAIN" />                <category androID:name="androID.intent.category.LAUNCHER" />            </intent-filter>        </activity>    </application></manifest>

这是logcat：

12-20 18:02:02.804  32718-32741/com.informaticalab.volleyexample E/Volley﹕ [10218] Networkdispatcher.run: Unhandled exception java.lang.SecurityException: Permission denIEd (missing INTERNET permission?)    java.lang.SecurityException: Permission denIEd (missing INTERNET permission?)            at java.net.InetAddress.lookupHostByname(InetAddress.java:451)            at java.net.InetAddress.getAllBynameImpl(InetAddress.java:252)            at java.net.InetAddress.getAllByname(InetAddress.java:215)            at com.androID.okhttp.HostResolver.getAllByname(HostResolver.java:29)            at com.androID.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:232)            at com.androID.okhttp.internal.http.RouteSelector.next(RouteSelector.java:124)            at com.androID.okhttp.internal.http.httpEngine.connect(httpEngine.java:272)            at com.androID.okhttp.internal.http.httpEngine.sendRequest(httpEngine.java:211)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.execute(httpURLConnectionImpl.java:373)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponse(httpURLConnectionImpl.java:323)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponseCode(httpURLConnectionImpl.java:491)            at com.androID.volley.toolBox.HurlStack.performRequest(HurlStack.java:109)            at com.androID.volley.toolBox.BasicNetwork.performRequest(BasicNetwork.java:96)            at com.androID.volley.Networkdispatcher.run(Networkdispatcher.java:112)     Caused by: androID.system.GaIException: androID_getaddrinfo Failed: EAI_NODATA (No address associated with hostname)            at libcore.io.Posix.androID_getaddrinfo(Native Method)            at libcore.io.ForwardingOs.androID_getaddrinfo(ForwardingOs.java:55)            at java.net.InetAddress.lookupHostByname(InetAddress.java:438)            at java.net.InetAddress.getAllBynameImpl(InetAddress.java:252)            at java.net.InetAddress.getAllByname(InetAddress.java:215)            at com.androID.okhttp.HostResolver.getAllByname(HostResolver.java:29)            at com.androID.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:232)            at com.androID.okhttp.internal.http.RouteSelector.next(RouteSelector.java:124)            at com.androID.okhttp.internal.http.httpEngine.connect(httpEngine.java:272)            at com.androID.okhttp.internal.http.httpEngine.sendRequest(httpEngine.java:211)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.execute(httpURLConnectionImpl.java:373)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponse(httpURLConnectionImpl.java:323)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponseCode(httpURLConnectionImpl.java:491)            at com.androID.volley.toolBox.HurlStack.performRequest(HurlStack.java:109)            at com.androID.volley.toolBox.BasicNetwork.performRequest(BasicNetwork.java:96)            at com.androID.volley.Networkdispatcher.run(Networkdispatcher.java:112)     Caused by: androID.system.ErrnoException: androID_getaddrinfo Failed: EACCES (Permission denIEd)            at libcore.io.Posix.androID_getaddrinfo(Native Method)            at libcore.io.ForwardingOs.androID_getaddrinfo(ForwardingOs.java:55)            at java.net.InetAddress.lookupHostByname(InetAddress.java:438)            at java.net.InetAddress.getAllBynameImpl(InetAddress.java:252)            at java.net.InetAddress.getAllByname(InetAddress.java:215)            at com.androID.okhttp.HostResolver.getAllByname(HostResolver.java:29)            at com.androID.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:232)            at com.androID.okhttp.internal.http.RouteSelector.next(RouteSelector.java:124)            at com.androID.okhttp.internal.http.httpEngine.connect(httpEngine.java:272)            at com.androID.okhttp.internal.http.httpEngine.sendRequest(httpEngine.java:211)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.execute(httpURLConnectionImpl.java:373)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponse(httpURLConnectionImpl.java:323)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponseCode(httpURLConnectionImpl.java:491)            at com.androID.volley.toolBox.HurlStack.performRequest(HurlStack.java:109)            at com.androID.volley.toolBox.BasicNetwork.performRequest(BasicNetwork.java:96)            at com.androID.volley.Networkdispatcher.run(Networkdispatcher.java:112)12-20 18:02:56.885      720-743/com.informaticalab.volleyexample E/Volley﹕ [10263] Networkdispatcher.run: Unhandled exception java.lang.SecurityException: Permission denIEd (missing INTERNET permission?)    java.lang.SecurityException: Permission denIEd (missing INTERNET permission?)            at java.net.InetAddress.lookupHostByname(InetAddress.java:451)            at java.net.InetAddress.getAllBynameImpl(InetAddress.java:252)            at java.net.InetAddress.getAllByname(InetAddress.java:215)            at com.androID.okhttp.HostResolver.getAllByname(HostResolver.java:29)            at com.androID.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:232)            at com.androID.okhttp.internal.http.RouteSelector.next(RouteSelector.java:124)            at com.androID.okhttp.internal.http.httpEngine.connect(httpEngine.java:272)            at com.androID.okhttp.internal.http.httpEngine.sendRequest(httpEngine.java:211)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.execute(httpURLConnectionImpl.java:373)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponse(httpURLConnectionImpl.java:323)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponseCode(httpURLConnectionImpl.java:491)            at com.androID.volley.toolBox.HurlStack.performRequest(HurlStack.java:109)            at com.androID.volley.toolBox.BasicNetwork.performRequest(BasicNetwork.java:96)            at com.androID.volley.Networkdispatcher.run(Networkdispatcher.java:112)     Caused by: androID.system.GaIException: androID_getaddrinfo Failed: EAI_NODATA (No address associated with hostname)            at libcore.io.Posix.androID_getaddrinfo(Native Method)            at libcore.io.ForwardingOs.androID_getaddrinfo(ForwardingOs.java:55)            at java.net.InetAddress.lookupHostByname(InetAddress.java:438)            at java.net.InetAddress.getAllBynameImpl(InetAddress.java:252)            at java.net.InetAddress.getAllByname(InetAddress.java:215)            at com.androID.okhttp.HostResolver.getAllByname(HostResolver.java:29)            at com.androID.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:232)            at com.androID.okhttp.internal.http.RouteSelector.next(RouteSelector.java:124)            at com.androID.okhttp.internal.http.httpEngine.connect(httpEngine.java:272)            at com.androID.okhttp.internal.http.httpEngine.sendRequest(httpEngine.java:211)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.execute(httpURLConnectionImpl.java:373)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponse(httpURLConnectionImpl.java:323)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponseCode(httpURLConnectionImpl.java:491)            at com.androID.volley.toolBox.HurlStack.performRequest(HurlStack.java:109)            at com.androID.volley.toolBox.BasicNetwork.performRequest(BasicNetwork.java:96)            at com.androID.volley.Networkdispatcher.run(Networkdispatcher.java:112)     Caused by: androID.system.ErrnoException: androID_getaddrinfo Failed: EACCES (Permission denIEd)            at libcore.io.Posix.androID_getaddrinfo(Native Method)            at libcore.io.ForwardingOs.androID_getaddrinfo(ForwardingOs.java:55)            at java.net.InetAddress.lookupHostByname(InetAddress.java:438)            at java.net.InetAddress.getAllBynameImpl(InetAddress.java:252)            at java.net.InetAddress.getAllByname(InetAddress.java:215)            at com.androID.okhttp.HostResolver.getAllByname(HostResolver.java:29)            at com.androID.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:232)            at com.androID.okhttp.internal.http.RouteSelector.next(RouteSelector.java:124)            at com.androID.okhttp.internal.http.httpEngine.connect(httpEngine.java:272)            at com.androID.okhttp.internal.http.httpEngine.sendRequest(httpEngine.java:211)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.execute(httpURLConnectionImpl.java:373)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponse(httpURLConnectionImpl.java:323)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponseCode(httpURLConnectionImpl.java:491)            at com.androID.volley.toolBox.HurlStack.performRequest(HurlStack.java:109)            at com.androID.volley.toolBox.BasicNetwork.performRequest(BasicNetwork.java:96)            at com.androID.volley.Networkdispatcher.run(Networkdispatcher.java:112)12-20 18:04:31.940    1819-1841/com.informaticalab.volleyexample E/Volley﹕ [10403] Networkdispatcher.run: Unhandled exception java.lang.SecurityException: Permission denIEd (missing INTERNET permission?)    java.lang.SecurityException: Permission denIEd (missing INTERNET permission?)            at java.net.InetAddress.lookupHostByname(InetAddress.java:451)            at java.net.InetAddress.getAllBynameImpl(InetAddress.java:252)            at java.net.InetAddress.getAllByname(InetAddress.java:215)            at com.androID.okhttp.HostResolver.getAllByname(HostResolver.java:29)            at com.androID.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:232)            at com.androID.okhttp.internal.http.RouteSelector.next(RouteSelector.java:124)            at com.androID.okhttp.internal.http.httpEngine.connect(httpEngine.java:272)            at com.androID.okhttp.internal.http.httpEngine.sendRequest(httpEngine.java:211)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.execute(httpURLConnectionImpl.java:373)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponse(httpURLConnectionImpl.java:323)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponseCode(httpURLConnectionImpl.java:491)            at com.androID.volley.toolBox.HurlStack.performRequest(HurlStack.java:109)            at com.androID.volley.toolBox.BasicNetwork.performRequest(BasicNetwork.java:96)            at com.androID.volley.Networkdispatcher.run(Networkdispatcher.java:112)     Caused by: androID.system.GaIException: androID_getaddrinfo Failed: EAI_NODATA (No address associated with hostname)            at libcore.io.Posix.androID_getaddrinfo(Native Method)            at libcore.io.ForwardingOs.androID_getaddrinfo(ForwardingOs.java:55)            at java.net.InetAddress.lookupHostByname(InetAddress.java:438)            at java.net.InetAddress.getAllBynameImpl(InetAddress.java:252)            at java.net.InetAddress.getAllByname(InetAddress.java:215)            at com.androID.okhttp.HostResolver.getAllByname(HostResolver.java:29)            at com.androID.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:232)            at com.androID.okhttp.internal.http.RouteSelector.next(RouteSelector.java:124)            at com.androID.okhttp.internal.http.httpEngine.connect(httpEngine.java:272)            at com.androID.okhttp.internal.http.httpEngine.sendRequest(httpEngine.java:211)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.execute(httpURLConnectionImpl.java:373)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponse(httpURLConnectionImpl.java:323)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponseCode(httpURLConnectionImpl.java:491)            at com.androID.volley.toolBox.HurlStack.performRequest(HurlStack.java:109)            at com.androID.volley.toolBox.BasicNetwork.performRequest(BasicNetwork.java:96)            at com.androID.volley.Networkdispatcher.run(Networkdispatcher.java:112)     Caused by: androID.system.ErrnoException: androID_getaddrinfo Failed: EACCES (Permission denIEd)            at libcore.io.Posix.androID_getaddrinfo(Native Method)            at libcore.io.ForwardingOs.androID_getaddrinfo(ForwardingOs.java:55)            at java.net.InetAddress.lookupHostByname(InetAddress.java:438)            at java.net.InetAddress.getAllBynameImpl(InetAddress.java:252)            at java.net.InetAddress.getAllByname(InetAddress.java:215)            at com.androID.okhttp.HostResolver.getAllByname(HostResolver.java:29)            at com.androID.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:232)            at com.androID.okhttp.internal.http.RouteSelector.next(RouteSelector.java:124)            at com.androID.okhttp.internal.http.httpEngine.connect(httpEngine.java:272)            at com.androID.okhttp.internal.http.httpEngine.sendRequest(httpEngine.java:211)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.execute(httpURLConnectionImpl.java:373)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponse(httpURLConnectionImpl.java:323)            at com.androID.okhttp.internal.http.httpURLConnectionImpl.getResponseCode(httpURLConnectionImpl.java:491)            at com.androID.volley.toolBox.HurlStack.performRequest(HurlStack.java:109)            at com.androID.volley.toolBox.BasicNetwork.performRequest(BasicNetwork.java:96)            at com.androID.volley.Networkdispatcher.run(Networkdispatcher.java:112)

我不确定我做错了什么.即使logcat说存在权限问题,我也想附加我的主要活动：

package com.informaticalab.volleyexample;import androID.content.Context;import androID.graphics.Bitmap;import androID.os.Bundle;import androID.support.v7.app.ActionBaractivity;import androID.vIEw.Menu;import androID.vIEw.MenuItem;import androID.Widget.TextVIEw;import com.androID.volley.Request;import com.androID.volley.RequestQueue;import com.androID.volley.Response;import com.androID.volley.VolleyError;import com.androID.volley.toolBox.ImageLoader;import com.androID.volley.toolBox.JsonObjectRequest;import com.androID.volley.toolBox.Volley;import org.Json.JsONObject;public class MainActivity extends ActionBaractivity{    @OverrIDe    protected voID onCreate(Bundle savedInstanceState)    {        super.onCreate(savedInstanceState);        setContentVIEw(R.layout.activity_main);        final TextVIEw mTxtdisplay = (TextVIEw) findVIEwByID(R.ID.txtvIEw);        String url = "";        JsonObjectRequest JsObjRequest = new JsonObjectRequest                (Request.Method.GET,url,null,new Response.Listener<JsONObject>()                {                    @OverrIDe                    public voID onResponse(JsONObject response)                    {                        mTxtdisplay.setText("Response: " + response.toString());                    }                },new Response.ErrorListener()                {                    @OverrIDe                    public voID onErrorResponse(VolleyError error)                    {                        mTxtdisplay.setText("Response: Oooops!");                    }                });// Access the RequestQueue through your singleton class.        MySingleton.getInstance(this).addToRequestQueue(JsObjRequest);    }    @OverrIDe    public boolean onCreateOptionsMenu(Menu menu)    {        // Inflate the menu; this adds items to the action bar if it is present.        getMenuInflater().inflate(R.menu.menu_main,menu);        return true;    }    @OverrIDe    public boolean onoptionsItemSelected(MenuItem item)    {        // Handle action bar item clicks here. The action bar will        // automatically handle clicks on the Home/Up button,so long        // as you specify a parent activity in AndroIDManifest.xml.        int ID = item.getItemID();        //noinspection SimplifiableIfStatement        if (ID == R.ID.action_settings)        {            return true;        }        return super.onoptionsItemSelected(item);    }    private static class MySingleton    {        private static MySingleton mInstance;        private RequestQueue mRequestQueue;        private ImageLoader mImageLoader;        private static Context mCtx;        private MySingleton(Context context)        {            mCtx = context;            mRequestQueue = getRequestQueue();            mImageLoader = new ImageLoader(mRequestQueue,new ImageLoader.ImageCache()                                           {                                               private final androID.support.v4.util                                                       .LruCache<String,Bitmap>                                                       cache = new androID.support.v4.util                                                       .LruCache<String,Bitmap>(                                                       20);                                               @OverrIDe                                               public Bitmap getBitmap(String url)                                               {                                                   return cache.get(url);                                               }                                               @OverrIDe                                               public voID putBitmap(String url,Bitmap bitmap)                                               {                                                   cache.put(url,bitmap);                                               }                                           });        }        public static synchronized MySingleton getInstance(Context context)        {            if (mInstance == null)            {                mInstance = new MySingleton(context);            }            return mInstance;        }        public RequestQueue getRequestQueue()        {            if (mRequestQueue == null)            {                // getApplicationContext() is key,it keeps you from leaking the                // Activity or broadcastReceiver if someone passes one in.                mRequestQueue = Volley.newRequestQueue(mCtx.getApplicationContext());            }            return mRequestQueue;        }        public <T> voID addToRequestQueue(Request<T> req)        {            getRequestQueue().add(req);        }        public ImageLoader getimageLoader()        {            return mImageLoader;        }    }}

解决方法 编辑：删除不必要的声明.

你是对的,：

<uses-permission androID:name="androID.permission.ACCESS_NETWORK_STATE"/>

没有必要.您只需要INTERNET权限.

但所有这一切,与你缺少权限的问题没有任何关系.我这样做就像你一样,它就像一个魅力.只需测试我上面的想法并报告回来.

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