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Android: how to check if a View inside of ScrollView is visible?
I have a ScrollView which holds a series of Views . I would like to be able to determine if a view is currently visible (if any part of it is currently displayed by the ScrollView ). I would expect the below code to do this, surprisingly it does not:
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Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
...on" parameter of makeText *isn't*
// the duration in milliseconds. ANDROID Y U NO ENUM?
}
}
MainFragment
It's long but worth it!
public class MainFragment extends Fragment implements OnClickListener
{
// This code up to onDetach() is all to get easy callbacks to the Activity.
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Android Fragment no view found for ID?
... edited May 10 '19 at 8:54
AndroidGeek
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How can I convert byte size into a human-readable format in Java?
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Use an Android built-in class
For Android, there is a class, Formatter. Just one line of code and you are done.
android.text.format.Formatter.formatShortFileSize(activityContext, bytes);
It is like formatFileSize(), but trying to g...
getActivity() returns null in Fragment function
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According to developer.android.com/intl/zh-tw/guide/components/…, the onAttach() is called before calling the onCreateView(). But I still get a NullPointerException while I'm calling getActivity() in onCreateView(). How could that happen?
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Is there a list of screen resolutions for all Android based phones and tablets? [closed]
If not, is there a list of screen resolutions for the most popular Android phones and tablets.
7 Answers
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Xamarin 2.0 vs Appcelerator Titanium vs PhoneGap [duplicate]
... continue to be so until a day comes when everyone uses the same platform. Android?
HTML? WebKit? iOS? Windows? Xamarin? Titanum? PhoneGap? Corona? ecc.
Sometimes I hear it said that there are essentially two approaches
to cross-platform mobile apps. You can either use an embedded
browse...
How can I get the current screen orientation?
... answered May 29 '14 at 9:42
AndroidBeginnerAndroidBeginner
30533 silver badges88 bronze badges
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Android Paint: .measureText() vs .getTextBounds()
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You can do what I did to inspect such problem:
Study Android source code, Paint.java source, see both measureText and getTextBounds methods.
You'd learn that measureText calls native_measureText, and getTextBounds calls nativeGetStringBounds, which are native methods implemente...
Add custom headers to WebView resource requests - android
...umOne, for resource loading, override WebViewClient.shouldInterceptRequest(android.webkit.WebView view, java.lang.String url) Check out API for more.
– yorkw
Feb 1 '13 at 3:21
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