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Stack Exchange

Christopher Perry

San Diego, CA

Android Engineer @ GoPro.

Not a doctor.

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Top Questions
321 votes

Android: How do I prevent the soft keyboard from pushing my view up?

android layout keyboard view asked Nov 17 '10 at 18:38
stackoverflow.com

241 votes

Valid values for android:fontFamily and what they map to?

android fonts styles asked Oct 30 '13 at 18:57
stackoverflow.com

201 votes

How does setting baselineAligned to false improve performance in LinearLayout?

android listview android-lint asked Feb 16 '12 at 22:14
stackoverflow.com

164 votes

When do you use map vs flatMap in RxJava?

java mapping rx-java flatmap asked Apr 3 '14 at 19:26
stackoverflow.com

138 votes

Android: When is onCreateOptionsMenu called during Activity lifecycle?

android android-fragments oncreate asked Oct 9 '11 at 19:20
stackoverflow.com

113 votes

What is Android keystore file, and what is it used for?

android keystore asked Jul 27 '11 at 18:46
stackoverflow.com

111 votes

Android: Temporarily disable orientation changes in an Activity

android screen-orientation android-orientation asked Aug 31 '10 at 17:11
stackoverflow.com

98 votes

How do you remove the title text from the Android ActionBar?

android android-actionbar asked Oct 5 '11 at 1:38
stackoverflow.com

75 votes

Android: Where is the Spinner widget's text color attribute hiding?

android text colors spinner asked May 28 '11 at 1:26
stackoverflow.com

65 votes

Android: getSupportActionBar() always returns null in ActionBarSherlock library

android android-actionbar actionbarsherlock asked Sep 3 '11 at 17:46
stackoverflow.com

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Top Answers
115
Android: How can I validate EditText input?
stackoverflow.com

91
Android: ClassCastException when adding a header view to ExpandableListView
stackoverflow.com

69
DialogFragment with clear background (not dimmed)
stackoverflow.com

45
Unit testing code with a file system dependency
stackoverflow.com

41
How do you remove the title text from the Android ActionBar?
stackoverflow.com

35
Convert String[] to comma separated string in java
stackoverflow.com

30
How to use selector to tint imageview in android
stackoverflow.com

29
Android Spinner - How to make dropdown view transparent?
stackoverflow.com

24
Unit testing Room and LiveData
stackoverflow.com

23
Show fragment as a dialog or as a usual activity
stackoverflow.com

19
Flipping a bitmap in android help?
stackoverflow.com

15
How to replicate android:editable=“false” in code?
stackoverflow.com

14
How to reference a style in a custom theme
stackoverflow.com

14
Android: Temporarily disable orientation changes in an Activity
stackoverflow.com

14
R.java file from Android library project not importing into application project
stackoverflow.com

14
android change language listener
stackoverflow.com

13
How to make my TextView width half of its parent?
stackoverflow.com

11
How to convert a LatLng and a radius to a LatLngBounds in Android Google Maps API v2?
stackoverflow.com

9
Android: Unit testing Android applications with Robolectric and Mockito
stackoverflow.com

8
Android: How can I speed up the scrolling of GridView?
stackoverflow.com

7
Rounded Button in Android
stackoverflow.com

7
How do I get the test class instance JUnit is running test cases on from inside the ClassRunner?
stackoverflow.com

7
IllegalArgumentException when using Otto with a retained Fragment
stackoverflow.com

6
Wifi doesn't work unless I turn it off then on again
apple.stackexchange.com

6
Assert ImageView was loaded with specific drawable resource ID
stackoverflow.com

5
Robolectric tanks on Application objects that load JNI libraries. Can I get a workaround?
stackoverflow.com

5
Android: Prevent multiple onClick events on a button (that has been disabled)
stackoverflow.com

5
What is the best way to receive back (to Fragment) data from DialogFragment
stackoverflow.com