[英]i want run my app only on version ICS over
我想僅在ICS版本上運行我的應用程序,但是如果我在清單中更改min sdkversion n目標sdk版本,則我的代碼無法在ics版本上運行,minsdkversion ntargetsdkversion僅使用8。 感謝您的回答。 這是清單上我的應用程序:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.myapp"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="8" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.myapp.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>
<activity android:name="com.myapp.news" ></activity>
<activity android:name="com.myapp.LazyAdapter" ></activity>
<activity android:name="com.myapp.nasionalAdapter" ></activity>
<activity android:name="com.myapp.SingleMenuItemActivity"></activity>
<activity android:name="com.myapp.nasional" ></activity>
</application>
logcat:
12-16 13:28:00.023: E/AndroidRuntime(7027): FATAL EXCEPTION: main
12-16 13:28:00.023: E/AndroidRuntime(7027): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.myapp/com.myapp.news}: android.os.NetworkOnMainThreadException
12-16 13:28:00.023: E/AndroidRuntime(7027): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2097)
12-16 13:28:00.023: E/AndroidRuntime(7027): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2122)
12-16 13:28:00.023: E/AndroidRuntime(7027): at android.app.ActivityThread.access$600(ActivityThread.java:140)
12-16 13:28:00.023: E/AndroidRuntime(7027): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1228)
12-16 13:28:00.023: E/AndroidRuntime(7027): at android.os.Handler.dispatchMessage(Handler.java:99)
12-16 13:28:00.023: E/AndroidRuntime(7027): at android.os.Looper.loop(Looper.java:137)
12-16 13:28:00.023: E/AndroidRuntime(7027): at android.app.ActivityThread.main(ActivityThread.java:4895)
12-16 13:28:00.023: E/AndroidRuntime(7027): at java.lang.reflect.Method.invokeNative(Native Method)
12-16 13:28:00.023: E/AndroidRuntime(7027): at java.lang.reflect.Method.invoke(Method.java:511)
12-16 13:28:00.023: E/AndroidRuntime(7027): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:994)
12-16 13:28:00.023: E/AndroidRuntime(7027): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:761)
12-16 13:28:00.023: E/AndroidRuntime(7027): at dalvik.system.NativeStart.main(Native Method)
12-16 13:28:00.023: E/AndroidRuntime(7027): Caused by: android.os.NetworkOnMainThreadException
12-16 13:28:00.023: E/AndroidRuntime(7027): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1118)
12-16 13:28:00.023: E/AndroidRuntime(7027): at java.net.InetAddress.lookupHostByName(InetAddress.java:385)
12-16 13:28:00.023: E/AndroidRuntime(7027): at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
12-16 13:28:00.023: E/AndroidRuntime(7027): at java.net.InetAddress.getAllByName(InetAddress.java:214)
12-16 13:28:00.023: E/AndroidRuntime(7027): at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:137)
12-16 13:28:00.023: E/AndroidRuntime(7027): at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164)
12-16 13:28:00.023: E/AndroidRuntime(7027): at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119)
12-16 13:28:00.023: E/AndroidRuntime(7027): at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:360)
12-16 13:28:00.023: E/AndroidRuntime(7027): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)
12-16 13:28:00.023: E/AndroidRuntime(7027): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
12-16 13:28:00.023: E/AndroidRuntime(7027): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)
12-16 13:28:00.023: E/AndroidRuntime(7027): at b1app.function.xmlParser.getXmlFromUrl(xmlParser.java:45)
12-16 13:28:00.023: E/AndroidRuntime(7027): at com.myapp.news.onCreate(news.java:73)
12-16 13:28:00.023: E/AndroidRuntime(7027): at android.app.Activity.performCreate(Activity.java:5163)
12-16 13:28:00.023: E/AndroidRuntime(7027): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1094)
12-16 13:28:00.023: E/AndroidRuntime(7027): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2061)
12-16 13:28:00.023: E/AndroidRuntime(7027): ... 11 more
<uses-sdk
android:minSdkVersion="14"
android:targetSdkVersion="19" />
您正在主線程上執行網絡操作。 這就是您的logcat說的。
Caused by: android.os.NetworkOnMainThreadException 12-16 13:28:00.023: E/AndroidRuntime(7027): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1118)
在此處了解更多信息。
http://developer.android.com/reference/android/os/NetworkOnMainThreadException.html
請參閱此SO問題
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