No you don’t need to buy a domain name to distribute your app. The domain name is used by Android Studio to generate a package name. Your package name is just a unique identifier for your application in the Google Play Store. It can be anything you want as long as it is unique. Generally, … Read more
I am playing with fragments in Android. I know I can change a fragment by using the following code: My question is, in a Java file, how can I get the currently displayed Fragment instance?
This is what google says “It could be that you have only recently created a new Ad Unit ID and requesting for live ads. It could take a few hours for ads to start getting served if that is that case. If you are receiving test ads then your implementation is fine. Just wait a … Read more
In XML, xmlns declares a Namespace. In fact, when you do: Instead of calling android:id, the xml will use http://schemas.android.com/apk/res/android:id to be unique. Generally this page doesn’t exist (it’s a URI, not a URL), but sometimes it is a URL that explains the used namespace. The namespace has pretty much the same uses as the package name in … Read more
You can do it programatically: Or you can do it via your AndroidManifest.xml file: Edit: If you are using AppCompatActivity then you need to add new theme and then use it. Thanks to https://stackoverflow.com/a/25365193/1646479
Since Brazil is not currently in a list of Android Instant Apps supported countries, this feature is turned off on the real devices, but emulators can still be used for Instant Apps development and testing. Production level applications, like BuzzFeed, can be launched through Instant Apps only in countries from this list: https://support.google.com/googleplay/android-developer/answer/7381861#production. In all other … Read more
I’m assuming you’re using XML layout. You can also use gravity center_vertical or center_horizontal according to your need. As @stealthcopter commented, in java: .setGravity(Gravity.CENTER);. And for Kotlin users, .gravity = Gravity.CENTER
This question already has answers here: How to remove child nodes in firebase android? (4 answers) Closed 4 years ago. I use following code to add a child and set a value to it in FireBase. What can I do to delete the “mockChild” ?
Gyroscope is newly supported in the Emulator of Android Studio 3.0, released to the Canary Channel on 5/17/17. Note that (as of today) Android Studio 2.3.3 is the latest official (i.e. “stable”) version. Here is how you setup the Preview Version of Android Studio, which can exist concurrently with the official version. Note that running the emulator out of … Read more
First, you can see if the user finished editing the text if the EditText loses focus or if the user presses the done button (this depends on your implementation and on what fits the best for you). Second, you can’t get an EditText instance within the TextWatcher only if you have declared the EditText as … Read more