Error checking if Bluetooth is enabled in Android (REQUEST_ENABLE_BT cannot be resolved to a variable)

REQUEST_ENABLE_BT is a request code that you provide. It’s really just a number that you provide for onActivityResult. It will be the requestCode (first parameter) of onActivityResult when the activity returns. You could put any number you want as long as it’s consistent in the return method. In other words, put a line like this in the top of your Activity: … Read more

What are the differences between LinearLayout, RelativeLayout, and AbsoluteLayout?

LinearLayout means you can align views one by one (vertically/ horizontally). RelativeLayout means based on relation of views from its parents and other views. ConstraintLayout is similar to a RelativeLayout in that it uses relations to position and size widgets, but has additional flexibility and is easier to use in the Layout Editor. WebView to load html, static or … Read more

Play sound on button click android

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

How to completely uninstall Android Studio from windows(v10)?

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

What does ellipsize mean in android?

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 â€¦, 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