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What is the size of ActionBar in pixels?
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To retrieve the height of the ActionBar in XML, just use
?android:attr/actionBarSize
or if you're an ActionBarSherlock or AppCompat user, use this
?attr/actionBarSize
If you need this value at runtime, use this
final TypedArray styledAttributes = getContext().getTheme().obtain...
Open another application from your own (intent)
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Firstly, the concept of "application" in Android is slightly an extended one.
An application - technically a process - can have multiple activities, services, content providers and/or broadcast listeners. If at least one of them is running, the application is up an...
What's the best way to limit text length of EditText in Android
What's the best way to limit the text length of an EditText in Android?
22 Answers
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How to resolve “Waiting for Debugger” message?
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Some devices will only let the debugger attach if the application has the android.permission.SET_DEBUG_APP permission set in its manifest file:
<manifest>
<uses-permission android:name="android.permission.SET_DEBUG_APP"></uses-permission>
</manifest>
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Android: Go back to previous activity
I want to do something simple on android app.
How is it possible to go back to a previous activity.
23 Answers
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Fast Bitmap Blur For Android SDK
Currently in an Android application that I'm developing I'm looping through the pixels of an image to blur it. This takes about 30 seconds on a 640x480 image.
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Android : Check whether the phone is dual SIM
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Update 23 March'15 :
Official multiple SIM API is available now from Android 5.1 onwards
Other possible option :
You can use Java reflection to get both IMEI numbers.
Using these IMEI numbers you can check whether the phone is a DUAL SIM or not.
Try following activity :
import andro...
How to filter logcat in Android Studio?
...ng only the output containing the keyword(s). Is there a way to do that in Android Studio through the UI?
10 Answers
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Android update activity UI from service
...le - this is particularly important to me as I am now sharing code between Android and iOS (using RoboVM)
RxJava provides canned (and cross-platform) scheduling, and easy composition of sequential asynchronous operations.
This should be more efficient than using a LocalBroadcast, though the overhead...
Is there a method that works like start fragment for result?
...imply share the same ViewModel between fragments
SharedViewModel
import android.arch.lifecycle.MutableLiveData
import android.arch.lifecycle.ViewModel
class SharedViewModel : ViewModel() {
val stringData: MutableLiveData<String> by lazy {
MutableLiveData<String>()
}
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