Edit 2; worth putting on top: I think it is worth mentioning that this is actually downloading all data at this snapshot just to check whether any data exists. You should be mindful here. If the reference is huge (e.g. actually the root reference and not a specific child/property) then you should either find a deeper node you … Read more
This is the most important part in the code provided in the original post. To explain it step by step: First is the initialization of the button to be used in playing the sound. We use the Activity’s findViewById, passing the Id we assigned to it (in this example’s case: R.id.button1), to get the button that we … Read more
This is the activity the tools UI editor uses to render your layout preview. It is documented here: This attribute declares which activity this layout is associated with by default. This enables features in the editor or layout preview that require knowledge of the activity, such as what the layout theme should be in the preview … Read more
To Completely Remove Android Studio from Windows: Step 1: Run the Android Studio uninstaller The first step is to run the uninstaller. Open the Control Panel and under Programs, select Uninstall a Program. After that, click on “Android Studio” and press Uninstall. If you have multiple versions, uninstall them as well. Step 2: Remove the Android Studio files To delete … Read more
Do this: In the Android Manifest file, declare the following. Then write the class: Now everywhere call MyApplication.getAppContext() to get your application context statically.
In your XML set the Background attribute to any colour, White(#FFFFFF) shade or Black(#000000) shade. If you want transparency, just put 80 before the actual hash code: This will change any colour you want to a transparent one.. 🙂
You can find documentation here. Based on your requirement you can try according option. to ellipsize, a neologism, means to shorten text using an ellipsis, i.e. three dots … or more commonly ligature …, to stand in for the omitted bits. Say original value pf text view is aaabbbccc and its fitting inside the view start‘s output will be : …bccc end‘s output will … Read more
What the warning is telling you is that actionBarColor shouldn’t be a global variable (i.e. a field), because it’s only used in one method (onCreate). This is good advice: you should always minimize the scope of your variables, because it improves readability and reduces possibilities for programming errors. To get rid of the warning, fix the problem … Read more
To change what your application defaults to when you click run or debug in Android Studio, follow these steps: 1. go to Run 2. Click on Edit Configurations 3. Select the project 4. find the Target Device section under the General tab on the Android Application page. That seems to be where you toggle what the project builds to. If you’re importing a project it actually … Read more
android.intent.action.MAIN means that this activity is the entry point of the application, i.e. when you launch the application, this activity is created. From the docs Also,from here Activity Action Start as a main entry point, does not expect to receive data. android.intent.category.DEFAULT is mainly used for implicit intents. If your activity wishes to be started by an implicit intent … Read more