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Why do variable names often start with the letter 'm'? [duplicate]
Looking at the Android tutorials such as the Notepad tutorial , I noticed that almost all variables are named starting with the letter 'm'. What convention is this, and where does it originate from?
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accepting HTTPS connections with self-signed certificates
...te Authority (CA) like Verisign , GlobalSIgn , etc., listed on the set of Android Trusted Certificates, I keep getting javax.net.ssl.SSLException: Not trusted server certificate .
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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).
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Android - startActivityForResult immediately triggering onActivityResult
... your destnation activity (that special activity) is not singleInstance in AndroidManifest file. If the Activity is singleInstance, then it will return RESULT_CANCELED before launched!
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How to create our own Listener interface in android?
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In the year of 2018, there's no need for listeners interfaces. You've got Android LiveData to take care of passing the desired result back to the UI components.
If I'll take Rupesh's answer and adjust it to use LiveData, it will like so:
public class Event {
public LiveData<EventResult>...
How to open standard Google Map application from my application?
...d to show particular location. How can I do it? (without using com.google.android.maps.MapView )
9 Answers
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How to check if Receiver is registered in Android?
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Downvote to Android for not creating an API for that. +1 to you for providing a working solution :)
– Denys Vitali
Mar 23 '16 at 8:47
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Creating an empty bitmap and drawing though canvas in Android
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ARGB_4444 is deprecated now (developer.android.com/reference/android/graphics/…)
– Allen
Sep 21 '14 at 23:36
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How to output messages to the Eclipse console when developing for Android
...e a flag) to the Eclipse console (or log) when developing and debugging an Android app
5 Answers
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Need command line to start web browser using adb
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Running this command will start a web browser in android:
adb shell am start -a android.intent.action.VIEW -d http://www.stackoverflow.com
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