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SparseArray vs HashMap
...rally slower, not indicated for large collections
They won't work in a non-Android project
HashMap can be replaced by the following:
SparseArray <Integer, Object>
SparseBooleanArray <Integer, Boolean>
SparseIntArray <Integer, Integer>
SparseLongArray <In...
How to access a mobile's camera from a web app?
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In iPhone iOS6 and from Android ICS onwards, HTML5 has the following tag which allows you to take pictures from your device:
<input type="file" accept="image/*" capture="camera">
Capture can take values like camera, camcorder and audio.
I...
How can I find the latitude and longitude from address?
... right permissions to be able to access the service. # <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /> <uses-permission android:name="android.permission.INTERNET" />
– Flo
Aug 26 '10 at 14:09
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Why extend the Android Application class?
...We should always eliminate global state as much as we can and use standard Android tools for global state management instead of static vars/singletons and etc.
– Oleksandr Karaberov
Nov 12 '15 at 12:06
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Search all the occurrences of a string in the entire project in Android Studio
I've just started using Android Studio (IntelliJ), and I now look for the feature to find the occurrence of a string in any of the files in my project. For example: I want to find all the files that contain the string " .getUuid() "
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Is it possible dynamically to add String to String.xml in Android?
...y not necessary, Resources.getString() supports formatting, see: developer.android.com/reference/android/content/res/…, java.lang.Object...)
– Arnaud
Oct 24 '12 at 11:01
17
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What does PorterDuff.Mode mean in android graphics.What does it do?
I would like to know what PorterDuff.Mode means in android graphics.
2 Answers
2
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Android: Coloring part of a string using TextView.setText()?
...58, 158));
// Span to make text bold
final StyleSpan bss = new StyleSpan(android.graphics.Typeface.BOLD);
// Set the text color for first 4 characters
sb.setSpan(fcs, 0, 4, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
// make them also bold
sb.setSpan(bss, 0, 4, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
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Getting activity from context in android
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No
You can't
There are two different contexts in Android. One for your application (Let's call it the BIG one) and one for each view (let's call it the activity context).
A linearLayout is a view, so you have to call the activity context. To call it from an activity, simpl...
getApplication() vs. getApplicationContext()
...c meaning, and may also be due to historical reasons.
Although in current Android Activity and Service implementations, getApplication() and getApplicationContext() return the same object, there is no guarantee that this will always be the case (for example, in a specific vendor implementation).
S...