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Christopher Perry
San Diego, CA
Android Engineer @ GoPro.
Not a doctor.
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Top Questions
417
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
276
votes
Valid values for android:fontFamily and what they map to?
android
fonts
styles
asked Oct 30 '13 at 18:57
stackoverflow.com
223
votes
How does setting baselineAligned to false improve performance in LinearLayout?
android
listview
android-lint
asked Feb 16 '12 at 22:14
stackoverflow.com
183
votes
When do you use map vs flatMap in RxJava?
java
mapping
rx-java
flatmap
asked Apr 3 '14 at 19:26
stackoverflow.com
152
votes
Android: When is onCreateOptionsMenu called during Activity lifecycle?
android
android-fragments
oncreate
asked Oct 9 '11 at 19:20
stackoverflow.com
130
votes
What is Android keystore file, and what is it used for?
android
keystore
asked Jul 27 '11 at 18:46
stackoverflow.com
121
votes
Android: Temporarily disable orientation changes in an Activity
android
screen-orientation
android-orientation
asked Aug 31 '10 at 17:11
stackoverflow.com
107
votes
How do you remove the title text from the Android ActionBar?
android
android-actionbar
asked Oct 5 '11 at 1:38
stackoverflow.com
78
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
67
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
128
Android: How can I validate EditText input?
stackoverflow.com
91
Android: ClassCastException when adding a header view to ExpandableListView
stackoverflow.com
83
DialogFragment with clear background (not dimmed)
stackoverflow.com
60
Unit testing code with a file system dependency
stackoverflow.com
56
Convert String[] to comma separated string in java
stackoverflow.com
44
How do you remove the title text from the Android ActionBar?
stackoverflow.com
38
How to use selector to tint ImageView?
stackoverflow.com
34
Unit testing Room and LiveData
stackoverflow.com
29
Android Spinner - How to make dropdown view transparent?
stackoverflow.com
23
Show fragment as a dialog or as a usual activity
stackoverflow.com
19
Flipping a bitmap in android help?
stackoverflow.com
19
android change language listener
stackoverflow.com
16
How to reference a style in a custom theme
stackoverflow.com
15
How to replicate android:editable=“false” in code?
stackoverflow.com
15
How to make my TextView width half of its parent?
stackoverflow.com
14
R.java file from Android library project not importing into application project
stackoverflow.com
14
Android: Temporarily disable orientation changes in an Activity
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
8
Wifi doesn't work unless I turn it off then on again
apple.stackexchange.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
7
Avoid button multiple rapid clicks
stackoverflow.com
6
Assert ImageView was loaded with specific drawable resource ID
stackoverflow.com
6
Open an image using URI in Android's default gallery image viewer
stackoverflow.com
5
Robolectric tanks on Application objects that load JNI libraries. Can I get a workaround?
stackoverflow.com
5
How to implement In-App Billing in an Android application?
stackoverflow.com
5
What is the best way to receive back (to Fragment) data from DialogFragment
stackoverflow.com
5
Android: Prevent multiple onClick events on a button (that has been disabled)
stackoverflow.com
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