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社区首页 >问答首页 >安卓致命异常: main With UniMag SDK

问安卓致命异常: main With UniMag SDK
EN

Stack Overflow用户
提问于 2014-03-01 02:51:34
回答 1查看 366关注 0票数 0

我的第一个安卓应用程序和我正试图与UniMag SDK集成。我已经把我的逻辑写在下面。基本上，我正在尝试使用UniMag SDK，但是它们提供的示例逻辑对于我需要做的工作来说非常复杂。最终，我只是想建立一个网页视图，我的刷卡将发送数据通过JS。不知道这个错误告诉我的是什么。这是我的日志猫：

代码语言：javascript
复制
 02-28 21:30:09.740: E/AndroidRuntime(25624): FATAL EXCEPTION: main
 02-28 21:30:09.740: E/AndroidRuntime(25624): java.lang.RuntimeException: Unable to start activity ComponentInfo{.simpleswipe2/.simpleswipe2.MainActivity}: android.os.NetworkOnMainThreadException
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2308)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2362)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at android.app.ActivityThread.access$700(ActivityThread.java:168)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1329)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at android.os.Handler.dispatchMessage(Handler.java:99)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at android.os.Looper.loop(Looper.java:137)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at android.app.ActivityThread.main(ActivityThread.java:5493)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at java.lang.reflect.Method.invokeNative(Native Method)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at java.lang.reflect.Method.invoke(Method.java:525)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1209)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1025)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at dalvik.system.NativeStart.main(Native Method)
 02-28 21:30:09.740: E/AndroidRuntime(25624): Caused by: android.os.NetworkOnMainThreadException
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1144)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at java.net.InetAddress.lookupHostByName(InetAddress.java:385)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at java.net.InetAddress.getAllByName(InetAddress.java:214)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at libcore.net.http.HttpConnection.<init>(HttpConnection.java:70)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at libcore.net.http.HttpConnection.<init>(HttpConnection.java:50)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at libcore.net.http.HttpConnection$Address.connect(HttpConnection.java:340)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:87)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at libcore.net.http.HttpConnection.connect(HttpConnection.java:128)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:316)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at libcore.net.http.HttpEngine.connect(HttpEngine.java:311)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:290)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:240)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at libcore.net.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:282)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at libcore.net.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:177)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at com.idtechproducts.acom.uniMagURLHelper.getLastXMLVersion(uniMagURLHelper.java:22)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at com.idtechproducts.unimagsdk.UniMagConfigHelper.downloadXMLFile(UniMagConfigHelper.java:56)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at com.idtechproducts.unimagsdk.UniMagConfigHelper.loadingXMLFile(UniMagConfigHelper.java:234)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at com.idtechproducts.unimagsdk.UniMagConfigHelper.loadingXMLFile(UniMagConfigHelper.java:48)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at IDTech.MSR.uniMag.uniMagReader.loadingConfigurationXMLFile(uniMagReader.java:485)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at .simpleswipe2.MainActivity.onCreate(MainActivity.java:33)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at android.app.Activity.performCreate(Activity.java:5372)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1104)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2270)
 02-28 21:30:09.740: E/AndroidRuntime(25624):   ... 11 more
 02-28 21:33:27.505: E/AndroidRuntime(26259): FATAL EXCEPTION: main
 02-28 21:33:27.505: E/AndroidRuntime(26259): java.lang.RuntimeException: Unable to start activity ComponentInfo{.simpleswipe2/.simpleswipe2.MainActivity}: android.os.NetworkOnMainThreadException
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2308)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2362)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at android.app.ActivityThread.access$700(ActivityThread.java:168)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1329)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at android.os.Handler.dispatchMessage(Handler.java:99)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at android.os.Looper.loop(Looper.java:137)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at android.app.ActivityThread.main(ActivityThread.java:5493)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at java.lang.reflect.Method.invokeNative(Native Method)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at java.lang.reflect.Method.invoke(Method.java:525)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1209)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1025)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at dalvik.system.NativeStart.main(Native Method)
 02-28 21:33:27.505: E/AndroidRuntime(26259): Caused by: android.os.NetworkOnMainThreadException
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1144)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at java.net.InetAddress.lookupHostByName(InetAddress.java:385)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at java.net.InetAddress.getAllByName(InetAddress.java:214)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at libcore.net.http.HttpConnection.<init>(HttpConnection.java:70)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at libcore.net.http.HttpConnection.<init>(HttpConnection.java:50)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at libcore.net.http.HttpConnection$Address.connect(HttpConnection.java:340)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:87)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at libcore.net.http.HttpConnection.connect(HttpConnection.java:128)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:316)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at libcore.net.http.HttpEngine.connect(HttpEngine.java:311)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:290)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:240)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at libcore.net.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:282)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at libcore.net.http.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:177)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at com.idtechproducts.acom.uniMagURLHelper.getLastXMLVersion(uniMagURLHelper.java:22)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at com.idtechproducts.unimagsdk.UniMagConfigHelper.downloadXMLFile(UniMagConfigHelper.java:56)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at com.idtechproducts.unimagsdk.UniMagConfigHelper.loadingXMLFile(UniMagConfigHelper.java:234)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at com.idtechproducts.unimagsdk.UniMagConfigHelper.loadingXMLFile(UniMagConfigHelper.java:48)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at IDTech.MSR.uniMag.uniMagReader.loadingConfigurationXMLFile(uniMagReader.java:485)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at .simpleswipe2.MainActivity.onCreate(MainActivity.java:33)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at android.app.Activity.performCreate(Activity.java:5372)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1104)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2270)
 02-28 21:33:27.505: E/AndroidRuntime(26259):   ... 11 more

我的Manifest.xml

代码语言：javascript
复制
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package=".simpleswipe2"
android:versionCode="1"
android:versionName="1.0" >

<uses-sdk
    android:minSdkVersion="8"
    android:targetSdkVersion="18" />

<application
    android:allowBackup="true"
    android:icon="@drawable/ic_launcher"
    android:label="@string/app_name"
    android:theme="@style/AppTheme" >
    <activity
        android:name=".simpleswipe2.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>

我的MainActivity.xml

代码语言：javascript
复制
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >

<TextView
    android:id="@+id/text_view"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/hello_world" />

<Button
    android:id="@+id/button1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_alignParentBottom="true"
    android:layout_centerHorizontal="true"
    android:layout_marginBottom="72dp"
    android:text="Swipe" />
</RelativeLayout>

最后，我的Java文件

代码语言：javascript
复制
package com.xxxxxxxx.simpleswipe2;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

import IDTech.MSR.XMLManager.StructConfigParameters;
import IDTech.MSR.uniMag.uniMagReader;
import IDTech.MSR.uniMag.uniMagReaderMsg;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends Activity implements uniMagReaderMsg {

    private uniMagReader myUniMagReader = null;
    private Button btnSwipe;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        if(myUniMagReader == null) {
            myUniMagReader = new uniMagReader(this,this);
            myUniMagReader.setSaveLogEnable(false);
            myUniMagReader.setXMLFileNameWithPath(null);
            myUniMagReader.loadingConfigurationXMLFile(true);

            //myUniMagReader.setVerboseLoggingEnable(true);
            myUniMagReader.registerListen();
        }

        btnSwipe = (Button) findViewById(R.id.button1);
        btnSwipe.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                myUniMagReader.startSwipeCard();
            }
        });
    }

    @Override
    public void onDestroy() {
    myUniMagReader.stopSwipeCard();
        myUniMagReader.unregisterListen();
        myUniMagReader.release();
        super.onDestroy();
    }

    @Override
    public boolean getUserGrant(int arg0, String arg1) {
        Log.d("UniMag", "getUserGrant -- " + arg1);
        return true;
    }

    @Override
    public void onReceiveMsgAutoConfigProgress(int arg0) {
        // TODO Auto-generated method stub
        Log.d("UniMag", "onReceiveMsgAutoConfigProgress");
    }

    @Override
    public void onReceiveMsgCardData(byte arg0, byte[] arg1) {
        Log.d("UniMag", "onReceiveMsgCardData");
        Log.d("UniMag", "Successful swipe!");

        String strData = new String(arg1);
        Log.d("UniMag", "SWIPE - " + strData);
        if(myUniMagReader.isSwipeCardRunning()) {
            myUniMagReader.stopSwipeCard();
        }

        // Match the data we want.
        String pattern = "%B(\\d+)\\^([^\\^]+)\\^(\\d{4})";
        Log.d("UniMag", pattern);
        Pattern r = Pattern.compile(pattern);
        Matcher m = r.matcher(strData);
        String card = "";
        String name = "";
        String exp = "";
        String data = "";
        if(m.find()) {
            for(int a = 0; a < m.groupCount(); ++a) {
                Log.d("UniMag", a + " - "+m.group(a));
            }
            card = m.group(1);
            name = m.group(2);
            exp = m.group(3);
            data = "Data: " + name + " -- " + card + " -- " + exp;
            Log.d("UniMag", data);

            Message msg = new Message();
            msg.obj = data;
            swipeHandler.sendMessage(msg);
        }

    }

    final Handler swipeHandler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            String text = (String)msg.obj;
            TextView dataView = (TextView) findViewById(R.id.text_view);
            dataView.setText(text);
        }
    };

    @Override
    public void onReceiveMsgCommandResult(int arg0, byte[] arg1) {
        Log.d("UniMag", "onReceiveMsgCommandResult");
    }

    @Override
    public void onReceiveMsgConnected() {
        Log.d("UniMag", "onReceiveMsgConnected");
        Log.d("UniMag", "Card reader is connected.");
    }

    @Override
    public void onReceiveMsgDisconnected() {
        Log.d("UniMag", "onReceiveMsgDisconnected");
        if(myUniMagReader.isSwipeCardRunning()) {
            myUniMagReader.stopSwipeCard();
        }
        myUniMagReader.release();

    }

    @Override
    public void onReceiveMsgFailureInfo(int arg0, String arg1) {
        Log.d("UniMag","onReceiveMsgFailureInfo -- " + arg1);
    }

    @Override
    public void onReceiveMsgSDCardDFailed(String arg0) {
        Log.d("UniMag", "onReceiveMsgSDCardDFailed -- " + arg0);
    }

    @Override
    public void onReceiveMsgTimeout(String arg0) {
        Log.d("UniMag", "onReceiveMsgTimeout -- " + arg0);
        Log.d("UniMag","Timed out!");
    }

    @Override
    public void onReceiveMsgToConnect() {
        Log.d("UniMag","Swiper Powered Up");
    }

    @Override
    public void onReceiveMsgToSwipeCard() {
        Log.d("UniMag","onReceiveMsgToSwipeCard");      
    }

    @Override
    public void onReceiveMsgAutoConfigCompleted(StructConfigParameters arg0) {
        Log.d("UniMag", "onReceiveMsgAutoConfigCompleted");
    }

    @Override
    public void onReceiveMsgAutoConfigProgress(int arg0, double arg1,
            String arg2) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onReceiveMsgProcessingCardData() {
        // TODO Auto-generated method stub

    }

    @Override
    public void onReceiveMsgToCalibrateReader() {
        // TODO Auto-generated method stub

    }
}
android
sdk
EN

回答 1

Stack Overflow用户

回答已采纳

发布于 2014-03-01 02:57:39

您正在主UI线程上执行网络操作。在这条线-

代码语言：javascript
复制
 myUniMagReader.loadingConfigurationXMLFile(true);

当应用程序试图在其主线程上执行网络操作时，将引发NetworkOnMainThreadException异常。请参阅这里

您可以使用AsyncTask在不同的线程上运行此任务。

票数 2
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：

https://stackoverflow.com/questions/22109484

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