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Sending message through WhatsApp
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UPDATE
Please refer to https://faq.whatsapp.com/en/android/26000030/?category=5245251
WhatsApp's Click to Chat feature allows you to begin a chat with
someone without having their phone number saved in your phone's
address book. As long as you know this person’s pho...
Huawei, logcat not showing the log for my app?
...uctions (from denispyr's answer on Why doesn't logcat show anything in my Android?)
Dial
*#*#2846579#*#*
and you will see a hidden menu. Go to the Project Menu > Background Setting > Log setting and define the log availability (log switch) and level (log level setting).
And then ...
Moving and vanishing lines of code; trouble with Eclipse's XML Editor
...now available in ADT 21 Preview 9, posted a few minutes ago, here: https://android-review.googlesource.com/#/c/44936/1
The reason you get weird visual artifacts is that if a file contains broken DOS line endings (multiple carriage returns without a newline for each carriage return), Eclipse gets ve...
Meaning of Choreographer messages in Logcat [duplicate]
... themselves to the vsync, and properly time things to improve performance.
Android view animations internally uses Choreographer for the same purpose: to properly time the animations and possibly improve performance.
Since Choreographer is told about every vsync events, it can tell if one of the Run...
How to get hosting Activity from a view?
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In Android 7+ the view does not have access to the enclosing activity anymore, so view.getContext() can't be cast to an Activity anymore.
Instead, the code below works in Android 7+ and 6:
private static Activity getActivity(f...
Nested fragments disappear during transition animation
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Wow, so filthy. The lengths us Android developers have to go to just for some slickness
– Dean Wild
Mar 31 '15 at 11:34
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What does @hide mean in the Android source code?
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Android has two types of APIs that are not accessible via SDK.
The first one is located in package com.android.internal. The second API type is a collection of classes and methods that are marked with the @hide Javadoc attr...
android fragment- How to save states of views in a fragment when another fragment is pushed on top o
In android, a fragment (say FragA ) gets added to the backstack and another fragment (say FragB ) comes to the top. Now on hitting back FragA comes to the top and the onCreateView() is called. Now I had FragA in a particular state before FragB got pushed on top of it.
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Return a value from AsyncTask in Android [duplicate]
...xception and immediate crash by design. Check that nice article: developer.android.com/training/articles/perf-anr#java
– Nikita Bosik
May 30 '18 at 8:55
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When to use a Content Provider
...does not worth the effort in most cases. I have done at least 12 different Android apps (published to the Play Store) and have never need a ContentProvider. In fact, the last app we were working on was initially made with a ContentProvider and we just deleted that since it is actually more a pain in...