How to resume a lifecycle state through code?

activity lifecycle
onstart vs onresume
fragment lifecycle
onstart android
onresume android
android application lifecycle
onsaveinstancestate
onpause vs onstop

I have an application in java, android studio.

This app will be used for a specific business purpose on a hardware (tablet) that will be dedicated solely to it(Users cannot close the app to make another use of the tablet).

I need to make sure the application is never closed ...

My first idea was to make the navigation bar never appear to the user, so he would not have the option to close.

I was unsuccessful, after a lot of research ... immersive mode, sticky immersive mode..I can even make it difficult to access the bar, but never deprive.

My idea now is to solve the problem through the application life cycle.

I want that when the onPause or onStop () method is called it will execute a code that retrieves the cycle to onStart ().

It's possible? Is there any easier or better way to do it?


You can use KIOSK MODE to achieve this functionality in android, In KIOSK Mode it self use for COSU purposr(Corporate Owned Single Use application) or a Single-Use device.

Here is the step by step guide, which explain how to achieve this.

COSU / KIOSK MODE

Understand the Activity Lifecycle, Introduction to activities · The activity lifecycle · Activity state changes swipe views with tabs using ViewPager2 · Interact programmatically  Increase your chance of getting a job by creating your Resume with our Resume templates! Create a perfect resume with our online curriculum vitae maker in just a few steps.


4 Solutions you can try

  1. Use a local broadcast receiver you can send a broadcast from `onPause or onStop () and start Activity you want

  2. create a service which will bind to the activity and there you can monitor your activity

  3. use alarm manager and start onPause or onStop () and start your activity in when the alarm invokes

  4. Use "Kiosk mode" to achieve this

`

Lifecycle.State, Lifecycle.State. The android.arch Architecture Components packages are no longer maintained. They have been superseded by the  Lastly, we will take a look at a code example showing how a thread moves through its states, understand the logic of the program via a sequence diagram and then understand how the code works. Java Thread Life Cycle Let us start by getting a high level understanding of the 6 thread states in Java with the diagram shown next –


You need to declare your application as launcher so that pressing home button or killing apps would return to your application. You can do it by declaring these two parameters in android manifest and then set your app as default launcher app in android system.

<category android:name="android.intent.category.HOME" />
<category android:name="android.intent.category.DEFAULT" />

Add these categories to your AndroidManifest.xml inside activity tag.

Pausing and Resuming an Activity, Specifying the Code to Run on a Thread · Creating a Manager for Multiple Threads · Running ActivityLifecycle.zip. During normal app use, the foreground activity is sometimes obstructed by other visual If the user returns to your activity from the paused state, the system resumes it and calls the onResume() method. Life Cycle of a thread. Unstarted state: When an instance of a Thread class is created, it is in the unstarted state, means the thread has not yet started to run when the thread is in this state. Or in other words Start() method is not called. Thread thr = new Thread(); Here, thr is at unstarted state.


Your problem with the navigationbar might be solved using windowFocusChangeListener but i would like to recommend a probably better solution for you, you need to achieve what's called "Kiosk mode", please have a look at android's solution for that here https://developer.android.com/work/dpc/dedicated-devices?hl=en or maybe use a 3rd party app like https://play.google.com/store/apps/details?id=com.gears42.surelock&hl=de

Android Studio 4.0 Development Essentials, Developing Android Apps Using Android Studio 4.0, Java and Android Jetpack to be in the resumed state at the same time (a concept referred to as multi-​resume) Finally, the lifecycle methods result in most of the lifecycle handling code  Resume Your Activity When the user resumes your activity from the Paused state, the system calls the onResume() method. Be aware that the system calls this method every time your activity comes into the foreground, including when it's created for the first time.


Lifecycle and States of a Thread in C#, These states of a thr1 thread are determined by using the ThreadState property of the Thread class. Also, we use Suspend() and Resume() method to suspend  Activity Lifecycle With Example In Android – Tutorial, Code And Importance. Activity Lifecycle: Activity is one of the building blocks of Android OS. In simple words Activity is a screen that user interact with. Every Activity in android has lifecycle like created, started, resumed, paused, stopped or destroyed.


1.2: Fragment lifecycle and communications · GitBook, Once added, the Fragment goes through three states, as shown in the figure below: your Activity code can use a callback to retrieve data from the Fragment , and from the back stack, the lifecycle resumes with the onCreateView() callback. Default migration, import, and export. The product lifecycle states are supported by data entities, and the lifecycle state can be set to a variable state through either the released product data entity or the released variant data entity.


Confused About Android Lifecycle? Then read this., In Android, activity has different states in their lifecycle. And when user open the video app again it can resume the video from where it was paused. This method is where the app initializes the code that maintains the UI. A lifecycle owner object can be passed to new instances of lifecycle-aware components, to ensure they're aware of the current state of a lifecycle. You can query the current state of a lifecycle


The Code of Federal Regulations of the United States of America, B . Chronic values shall be based on results of flow - through ( except renewal Life - cycle toxicity tests consisting of exposures of each of two or more groups continue through maturation and reproduction , and should end not less than 24​  If the activity returns to the Resumed state from the Paused state, the system once again calls onResume () method. For this reason, you should implement onResume () to initialize components that you release during onPause (), and perform any other initializations that must occur each time the activity enters the Resumed state.