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notifyDataSetChange not working from custom adapter
... for the record, try to disable list view cache:
<ListView
...
android:scrollingCache="false"
android:cacheColorHint="@android:color/transparent"
... />
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Android. Fragment getActivity() sometimes returns null
...g(position));
}
private String getFragmentTag(int position) {
return "android:switcher:" + R.id.pager + ":" + position;
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putInt("tabsCount", adapter.getCount());
out...
How to set text size of textview dynamically for different screens [duplicate]
... edited Nov 7 '17 at 9:29
android developer
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answered Feb 29 '12 at 5:38
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How to determine MIME type of file in android?
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If the media is selected from android gallery then TYPE is returned. If selected from File Manager then null is returned.
– Rahul Rastogi
Aug 27 '14 at 12:34
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Use URI builder in Android or create URL with variables
I'm developing an Android app. I need to build a URI for my app to make an API request. Unless there's another way to put a variable in a URI, this is the easiest way I've found. I found that you need to use Uri.Builder , but I'm not quite sure how to. My url is:
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Sending an Intent to browser to open specific URL [duplicate]
...ere's the documentation of Intent.ACTION_VIEW.
Source: Opening a URL in Android's web browser from within application
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What is a non-capturing group in regular expressions?
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How to use WeakReference in Java and Android development?
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Using a WeakReference in Android isn't any different than using one in plain old Java. Here is a great guide which gives a detailed explanation: Understanding Weak References.
You should think about using one whenever you need a reference to an obj...
Detect URLs in text with JavaScript
...ed this problem for quite a while, then it occurred to me that there is an Android method, android.text.util.Linkify, that utilizes some pretty robust regexes to accomplish this. Luckily, Android is open source.
They use a few different patterns for matching different types of urls. You can find th...