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I have a spinner with three items and I use an XML string-array resource to feed it. When you open … Read more Set Text Of Spinner Before Item Is Selected

I am not entirely sure why I am getting a NullPointerException. If anybody could help me out that w… Read more Why Am I Getting A Null Pointer Exception On My Android Program Line 73?

Assume my application contains two activity, A and B. Both are limited to portrait in AndroidManife… Read more Android: Avoid Calling Oncreate() When Back From Another Activity

In my app I needed to call findViewbyId() from both onCreate() and from WebChromeClient.onCompletio… Read more Side Effects Of Calling Activity.setcontentview() Twice In A Row

I m making adapter to adapt my book collection to be visible in list view. Issue is solved if I ad… Read more Android - There Is No Default Constructor For Arrayadapter

If I press home and come back to my app a little later I will find that the state has been preserve… Read more Android Lock Screen Behaviour

when is the 'best moment' to load a new ad from AdMob? I'm programming a shopping list … Read more Android & Admob: When To Call Adview.loadad

I'm working on an app that targets Api 19, and that is basically a Processing sketch. The probl… Read more Oncreate() Called While Activity Is Stopped (but Not Destroyed). Only After Installation