StackOverflow2013

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POIn-App Billing in Fragments
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copied!<p>I am making an app which contains fragments within tabs.In this whenever I try to call in-app billing request purchase it gives me the error pasted below.</p> <p>Here is the design of my fragments call within app.</p> <p><code>CalendarUIActivity (FragmentActivity) -> CalendarUIMain (Fragment) -> When the user ask for more then InAppSubsricbe (DialogFragment) -> On click of OK of above dialog another dialog fragment got open with list of In-App Products which InAppProductsList(DialogFragment)</code></p> <p>Now when I click on list of product from Dialog Fragment <code>Edit it redirects it method to main CalendarUIMain Fragment at that time</code> it gives me error (as pasted below) with the market purchase screen opened successfully.But on click on OK of purchase screen it disappers as the application is forced close.</p> <pre><code>04-11 09:10:52.450: E/AndroidRuntime(1966): FATAL EXCEPTION: main 04-11 09:10:52.450: E/AndroidRuntime(1966): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.uks.android.epn.activity/com.uks.android.epn.activity.MainActivity}: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.uks.android.epn.activity/com.uks.android.epn.activity.CalendarUIActivity}: android.support.v4.app.Fragment$InstantiationException: Unable to instantiate fragment com.uks.android.epn.fragments.CalendarUIMain$InAppProductsDialog: make sure class name exists, is public, and has an empty constructor that is public 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1818) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1834) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:3200) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.app.ActivityThread.access$600(ActivityThread.java:125) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1031) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.os.Handler.dispatchMessage(Handler.java:99) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.os.Looper.loop(Looper.java:132) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.app.ActivityThread.main(ActivityThread.java:4135) 04-11 09:10:52.450: E/AndroidRuntime(1966): at java.lang.reflect.Method.invokeNative(Native Method) 04-11 09:10:52.450: E/AndroidRuntime(1966): at java.lang.reflect.Method.invoke(Method.java:491) 04-11 09:10:52.450: E/AndroidRuntime(1966): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841) 04-11 09:10:52.450: E/AndroidRuntime(1966): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599) 04-11 09:10:52.450: E/AndroidRuntime(1966): at dalvik.system.NativeStart.main(Native Method) 04-11 09:10:52.450: E/AndroidRuntime(1966): Caused by: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.uks.android.epn.activity/com.uks.android.epn.activity.CalendarUIActivity}: android.support.v4.app.Fragment$InstantiationException: Unable to instantiate fragment com.uks.android.epn.fragments.CalendarUIMain$InAppProductsDialog: make sure class name exists, is public, and has an empty constructor that is public 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1818) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.app.ActivityThread.startActivityNow(ActivityThread.java:1659) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.app.LocalActivityManager.moveToState(LocalActivityManager.java:135) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.app.LocalActivityManager.startActivity(LocalActivityManager.java:347) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.widget.TabHost$IntentContentStrategy.getContentView(TabHost.java:676) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.widget.TabHost.setCurrentTab(TabHost.java:345) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.widget.TabHost.addTab(TabHost.java:235) 04-11 09:10:52.450: E/AndroidRuntime(1966): at com.uks.android.epn.activity.MainActivity.addTab(MainActivity.java:78) 04-11 09:10:52.450: E/AndroidRuntime(1966): at com.uks.android.epn.activity.MainActivity.initTabs(MainActivity.java:45) 04-11 09:10:52.450: E/AndroidRuntime(1966): at com.uks.android.epn.activity.MainActivity.onCreate(MainActivity.java:35) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.app.Activity.performCreate(Activity.java:4397) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1048) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1782) 04-11 09:10:52.450: E/AndroidRuntime(1966): ... 12 more 04-11 09:10:52.450: E/AndroidRuntime(1966): Caused by: android.support.v4.app.Fragment$InstantiationException: Unable to instantiate fragment com.uks.android.epn.fragments.CalendarUIMain$InAppProductsDialog: make sure class name exists, is public, and has an empty constructor that is public 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.support.v4.app.Fragment.instantiate(Fragment.java:395) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.support.v4.app.FragmentState.instantiate(Fragment.java:96) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.support.v4.app.FragmentManagerImpl.restoreAllState(FragmentManager.java:1726) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.support.v4.app.FragmentActivity.onCreate(FragmentActivity.java:198) 04-11 09:10:52.450: E/AndroidRuntime(1966): at com.uks.android.epn.activity.ActivitysTab.onCreate(ActivitysTab.java:25) 04-11 09:10:52.450: E/AndroidRuntime(1966): at com.uks.android.epn.activity.CalendarUIActivity.onCreate(CalendarUIActivity.java:23) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.app.Activity.performCreate(Activity.java:4397) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1048) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1782) 04-11 09:10:52.450: E/AndroidRuntime(1966): ... 24 more 04-11 09:10:52.450: E/AndroidRuntime(1966): Caused by: java.lang.InstantiationException: com.uks.android.epn.fragments.CalendarUIMain$InAppProductsDialog 04-11 09:10:52.450: E/AndroidRuntime(1966): at java.lang.Class.newInstanceImpl(Native Method) 04-11 09:10:52.450: E/AndroidRuntime(1966): at java.lang.Class.newInstance(Class.java:1301) 04-11 09:10:52.450: E/AndroidRuntime(1966): at android.support.v4.app.Fragment.instantiate(Fragment.java:384) 04-11 09:10:52.450: E/AndroidRuntime(1966): ... 32 more </code></pre> <p>Now please refer this link for the code(because the code is somewhat larger).<a href="http://pastebin.com/2JstbYcU" rel="nofollow">Link</a></p> <p>Thanks In Advance.</p>

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