How do I find out when I opened my app for the first time?
You can e.g. use a sharedPreference-object to store a boolean value that tells you if this is the first time the user opens the application. Check the preference when the user starts the application, and if it returns true then show the middle screen.
How do you launch an activity only once for the first time?
It is important to check that the first activity which opens when the app is launched is MainActivity. java (The activity which we want to appear only once). For this, open the AndroidManifest. xml file and ensure that we have the intent-filter tag inside the activity tag that should appear just once.
What is Android Auto Launch?
Automatically manage apps: Enable Manage all automatically or toggle on the switches for individual apps. … The system will automatically analyse app usage and prohibit apps from automatic launch, secondary launch, and background running.
How do I reduce startup time on Android?
Diagnosing slow startup times
- Launch the process.
- Initialize the objects.
- Create and initialize the activity.
- Inflate the layout.
- Draw your application for the first time.
How do you introduce an app?
65 Simple Ways To Promote Your Mobile App
- Define your landing page. Make a simple and clear introduction of your app—one sentence should suffice. …
- Start a blog. …
- Use social media. …
- Use teasers. …
- Create a video intro to your app. …
- Pitch tech blogs. …
- Ask for app reviews. …
- Contact writers in the niche.
How do I know if an app is running in Android Studio?
You can detect currently foreground/background application with ActivityManager. getRunningAppProcesses() which returns a list of RunningAppProcessInfo records. To determine if your application is on the foreground check RunningAppProcessInfo. importance field for equality to RunningAppProcessInfo.
How do you make an activity?
To create the second activity, follow these steps:
- In the Project window, right-click the app folder and select New > Activity > Empty Activity.
- In the Configure Activity window, enter “DisplayMessageActivity” for Activity Name. Leave all other properties set to their defaults and click Finish.
How will you launch an activity within your application?
To start an activity, use the method startActivity(intent) . This method is defined on the Context object which Activity extends. The following code demonstrates how you can start another activity via an intent. # Start the activity connect to the # specified class Intent i = new Intent(this, ActivityTwo.
What are shared preferences in Android?
Shared Preferences is the way in which one can store and retrieve small amounts of primitive data as key/value pairs to a file on the device storage such as String, int, float, Boolean that make up your preferences in an XML file inside the app on the device storage.
How do I get apps to start automatically?
To configure an application to launch after each reboot:
- Select ‘Launcher’ > ‘Powertools’ > ‘Configure Autorun’.
- From the Normal screen, perform a long-tap on the required applications.
- Select ‘Yes’ to add the application to the Autorun list.
- Verify that the selected application is now in the Autorun list.
How do I choose which apps open on startup Android?
To give this method a try, open Settings and go to the Application Manager. It should be in “Installed Apps” or “Applications,” depending on your device. Select an app from the list of downloaded apps and turn the Autostart option on or off.
What is startup time?
The time required from when the input voltage is turned ON until the output voltage reaches 90% of the rated output voltage.
How can I get my Android to load faster?
Do as little as you can in onCreate (onCreateView) and load any data in the background thread. Create smart layouts with as few levels of hierarchy as possible. If you load pictures – scale them to actual view size and load asynchronously (use Glide or Picasso).
What is Android application life cycle?
Overview of Android Lifecycles
| Activity Lifecycle Methods | ||
|---|---|---|
| onCreate() | Called when activity first created | No |
| onRestart() | Called after activity stopped, prior to restarting | No |
| onStart() | Called when activity is becoming visible to user | No |
| onResume() | Called when activity starts interacting with user | No |