A quick note about this if trying to run a Facebook sample and this error pops up, make sure you select the build.gradle file in the root of Facebook sdk, for all the samples when ‘opening an existing project’. I got this error when I tried to open the gradle for just the Scrumptious sample … Read more
I also encuntered the same in S4. I’ve tested the app in Galaxy Grand , HTC , Sony Experia but got only in s4. You can ignore it as its not related to your app.
Switch inherits CompoundButton‘s attributes, so I would recommend the OnCheckedChangeListener
Well, it depends on your needs. Very often I keep my references to widgets in activity (as a class fields) – and set them in onCreate method. I think that is a good ideaProbably the reason for your nulls is that you are trying to call findViewById() before you set contentView() in your onCreate() method – please check that.
Make a custom XML file for your spinner item. spinner_item.xml: Give your customized color and size to text in this file. Now use this file to show your spinner items like: You don’t need to set the drop down resource. It will take spinner_item.xml only to show your items in spinner.
I had the same issue and found the problem: Android Studio. Open the Android Studio menu Tools -> Android and uncheck Enable ADB integration. adb devices should work (you might need adb kill-server first). Then you can re-enable ADB integration in Studio.
Here is a code snip to do exactly that. The ScaleAnimation constructor used here takes 8 args, 4 related to handling the X-scale which we don’t care about (1f, 1f, … Animation.RELATIVE_TO_SELF, 0f, …). The other 4 args are for the Y-scaling we do care about. startScale, endScale – In your case, you’d use 0f, 0.6f. Animation.RELATIVE_TO_SELF, 1f – … Read more
Taken from: http://www.w3.org/Style/Examples/007/units: The em is simply the font size. In an element with a 2in font, 1em thus means 2in. Expressing sizes, such as margins and paddings, in em means they are related to the font size, and if the user has a big font (e.g., on a big screen) or a small font … Read more
I’ve been trying to import a project to Android Studio and this is where I am stuck, there is a similar question on Stack Overflow but it did not provide a solution to my particular error. This is my error log: The Gradle sync messages are: Error:(24, 0) Gradle DSL method not found: ‘android()’ Possible … Read more
I solved this rendering problem by simply inserting this line into the application theme (the app theme is usually placed in styles.xml). [SDK 28] [SDK 27] As suggested by @Chris. If the IDE does not find the CoordinatorLayout in Widget.Support or Widget.Design, just start typing “CoordinatorLayout” and it should give you some options.