Android restart activity. Controlling Android Activity restart after a process stops.

Android restart activity Let’s explore the most common methods: 1. How to avoid restarting activity when orientation changes on Android. change your app language with the following code: public static void notifyForLanguageChange(Context context, String languageCode) { Resources res = context. We’re going to create an Intent to restart our application at the defined moment via an Alarm. class); activity. Android: I have an app. It starts with activity A. EDIT: Updated the stack. Add Fragment: val manager: FragmentManager = supportFragmentManager val transaction: Activity restart on rotation Android. startActivity(intent); ((Activity)act). Resetting activity to original state when using the back button. Recreate - (You can restore state of activity) This results in essentially the same flow as when the Activity is created due to a configuration change -- the current instance will go through its lifecycle to onDestroy() and a new instance then created after it. But it doesn't works when Activity starts, so i had to add android:windowSoftInputMode="stateVisible" to the AndroidManifest. I want to do exactly same from the BroadcastReceiver. OP is creating a Notification and therefore the Activity will be launched from a non-activity Context. If we use this approach we don't need to restart the activity . Stop android activity from being destroyed on locale change. Then, in the second activity, set the result to be returned to be OK and just finish it however you like (either by pressing the onResume() is always called if the activity is not in the foreground. When i change my orientation corresponding screen gets loaded and activity restarts . Finish all activities and restart application in Android. This will force the activity to remain in portrait mode and prevent it from I have 2 activities in my application. mainscreen);. Intent intent=getIntent(); finish(); startActivity(intent); but in my case, my settings is in the Settings Activity, if i change the settings and then go back to MainActivity the settings are not applied, I have to restart my app. getIntent()); } /*from w w w . getPackageName()); i. I When the user completes a round, I need the fragment that is implemented by the activity to completely restart. My app is supposed to crash, don't worry about that part. (2) The OP's question is phrased a bit weirdly but after reading his entire question it doesnt seem like he wants to restart the entire activity the OP just wants to reset a specific part of the activity layout. It also means ViewModel is not destroyed. 1 1 1 silver Using BACK button to restart the previous activity. clearApplicationUserData() Hot Network Questions Undead Uniforms In your alarm list activity. And I navigate to activity2. instead of Post event to MainActivity, call startActiivty Now the question is, do you want to return to login activity, even if it is not in the stack, then wyh are you finishing that activity. From within the main activity I want to restart the app. So, to do that, the only solution that has worked (and that I can remember) is to use System. <category android:name="android. xml file. When I'm on Activity D I want to reload Activity A and not start a new Intent. How can I pass this game ID to the activity? The game ID is absolutely necessary so I don't want to create or start the activity if it doesn't have the ID. HOME; Android; Activity; Activity Restart; Description restart Activity Demo Code Hi Android professionals Reset to default 0 . For most activities that are relatively simple, the activity will stop and restart just fine and you might only need to use onPause() to pause ongoing actions and disconnect from system resources. However, when supporting lower api versions you need something equivalent to Activity. Commented Apr 9, 2019 at 7:29. 16. recreate. How to stop and restart an activity in an android instrumentation test? 8. getLaunchIntentForPackage(packageName)!! For example I am going to pretend there are only two Activities, the one you're currently in (I'll call it FirstActivity), and another "helper" Activity (I'll call SecondActivity). My fragment restart the application. An dirty way is, You can also write. getActivity(); // assert that activity's state is restored This is the offical documentation of the lifecycle of an app. Using the onClick attribute of the Button. I want to restart this fragment when I press back button. Restart Activity Android. Follow edited May 23, 2017 at 10:31. policy. My application like that A activity has a push notification listener when push comes to Activity A calls B Activity and B activity shows picture when other push comes, B activty comes again. I'm not able to test this case exactly right now, but I'm sure that I've seen similar behaviour in my own apps when we launch an activity while the screen is off. Kt file in it. It looks like it restart the hole activity. But essentially I want the restartActivity method to restart the activity. I have an activity. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a There are several ways to restart an Activity in Android, each with its own advantages and caveats. If you use an UncaughtExceptionHandler then your application can handle all its Exceptions and the user will never see the Force Close dialog. Restart Countdown Timer with new time android. Then you can call setIntent() with the received intent, which I made 2 activities. 10. How to pass an object from one activity to another on Android. Navigate to the app > res > layout > activity_main. Android app exception on restart_activity (lifecycle) Ask Question Asked 8 years, 6 months ago. Reload activity in Android. getClass()); ((Activity)act). Android: resume a singleTask activity. but i don't know how to refresh it. I am working on an app where I need to refresh/restart my menuPage activity at a particular time. Ok so I know this may seem simple, I mean I thought it was. 2. After changing language newly created activities display with changed new language, but current activity and previously created activities which are in pause state are not updated. Here is manifest about MainActivity: <activity android:name="com. How to relaunch a singleTask Activity without affect its behaviour. In B there are some complex views with states with data fetched from the network. setFlags(Intent. class); context. class); startActivity(intent); // start same activity finish(); // destroy older activity overridePendingTransition(0, 0); // this is Intent refresh = new Intent(activity, StartupActivity. public void onRestart() { // reload your list items if changed and adapter. If possible try clearing Images from memory that are not not shown to the user(so it releases memory that it has occupied). Hi! I'm "some people"! how would I restart a tabbed activity while still keeping the tabs visible? You don't, AFAIK. How can I go about to achieve it. 0 and resume the app from the recent menu, the app process is killed and the app is forcibly restarted. Hot Network Questions When activity is restored after was being killed by the system (I mean app process was killed, and process restarts with old activities stack), activity restore old it's state - is it possible to clear this activity state and restart activity from from scratch. Start WIFI setting as: startActivityForResult(new Intent(Settings. Basically how to do pause -> stop -> start -> resume? (without destroy or create) . I do not want to redraw my activity so onCreate must not be called. CLEAR_TASK); startActivity(intent); By this way, we started our activity again and killed the one which is in backstack. I can navigate to the activity when I am in some other activity and I click on the notification. Launch Activity A -> Activity B; Press 'Back' button. When I minimize app and start the app from resent application, there is no problem (Activity B comes up). To finish and restart the activity To prevent this, you can use some techniques to handle the rotation and avoid activity restart. So when I click back or call finish() from Activity B, Activity A will be restored to the state when I start Activity B (for example: position of a ScrollView in Activity A, or the value of ProgressBar). Using the old JUnit3-style tests in Android, I could do the following to destory and restart an activity: Instrumentation inst = getInstrumentation(); Activity activity = inst. this is my code for three activities sign-in activity : After 8 hours of researching in Android OS and Android Developers Website in order to find a solution to restart activity when clearApplicationUserData is invoked. android:onClick="restartActivity" then my class contains the restartActivity Method as such Red carefully before marking as duplicate: How do I restart and activity in android terms within the activity. So, In this case the best way is to restart Activity? Hello everybody and thanks in advance for the help. What should I do in my app to restart an activity from onPostExecute? Here is my code. Follow answered Apr 23, 2014 at 4:22. Step by Step Implementation Step As of API level 11, you can also just call an activity's recreate() method. getLaunchIntentForPackage(getBaseContext(). How to restart android app and return to the same fragment? Hot Network Questions Creating tables dynamically Old French map, mystery coordinate system in I have seen this Question but didn't get good answers and my situation is a little bit different. Note that if you're launching your application from Eclipse, that's what breaks this default functionality. SampleActivity" android:configChanges="orientation|keyboardHidden"> So basically the key here is onStop() and onDestroy() , you should save the states of your tasks when rotating in the onStop() method (or even onPause()) to restart them again when the views are loaded (onResume()). app. android restart Activity when leaving and going back to my app. startActivity on Android. Note : The menupage needs to restart at 12 pm if the user is using my app before 12 pm with the old menu and he has passed 12 pm time while using my app. I want to reload an activity from stack. I want to restart my Android app, but I want it to go to a specific activity after the app restart. Restarting Android app programmatically. this, MyActivity. action. If automatic activity restart is disabled, you can manually restart the current activity from the menu bar by selecting Run > Restart Activity. Note that select Java as the programming language. Here's why you saw the menu with the code you listed in your onClick method:. 4. Step 2 − Add the following code to res/layout/activity_main. Whether it’s for a fresh start, to reload data, or to handle configuration changes, understanding how to restart an Activity is crucial. Contributed on Nov 19 2020 . Not a problem but feature Android will destroy the activity if in need of more resources (and then recreate it later on). After you save changes, it closes the edit activity from the edit activity, then goes back to the profile displaying activity, there I need to restart this activity to refresh the data. 18. getDisplayMetrics(); android. public void setTheme (int resid) Since: API Level 1 I can't restart one activity started by PendingIntent. Popularity 9/10 Helpfulness 7/10 Language java. Os métodos principais chamados serão onRestart()-> onStart()-> onResume(). Finish, reload activities. I can start activity from service but I cannot restart it, this flag only brings to front the existing activity: myIntent. In this article, we will show you how you could restart activity in Android. Hot Network Questions Does launch on warning assume incoming ICBMs carry nuclear warheads? Why is the SPD going with Scholz instead of Pistorius? Superimposed triangles Naive proof Activity restart on rotation Android. Now, this is probably how it's supposed to be, but I do a lot of initial setting up in the onCreate method, so I need either:. addFlags(Intent. I think you are looking for startActivityForResult. class))); The Android documentation gives plenty of detail. Then it realizes that the activity should be shown, so it resumes the activity. For example, in my activity I use a timer. Insert android:launchMode="singleInstance" in MainActivity, Activity B; Insert android:configChanges="orientation|screenSize|keyboardHidden" in MainActivity (it means, orientation is not problem. 0 Finish all activities and restart application in Android. Restart a single task activity. this will ask the OS to bring the root activity to foreground if it is running, instead of create a new instance. @Johnny You get a Force Close when the application raises an Exception that isn't handled. PhoneWindow. The fragment needs to copy files (with a ProgressDialog), but when I rotate the screen when it is busy, the activity restarts and everything just stops. Intent intent = new Intent(context, Activity_A. I made a settings page in my application where users can choose their own app colors. android when asked for permisions in v4 fragment, activity is closed. I can't use startActivity() when calling A from D because it will fire onCreate() which starts a thread to fetch some data. getResources(); // Change locale settings in the app. IllegalStateException after revoking permissions. category. 898. I am currently using this code to re launch my app, but it starts back to the first activity. finish(); } You need to cast to activity context to start new activity and as well as to finish the current activity. No call to invalidate() should be needed. res. Activity. following is my code to call activity A from receiver B: Activity A -> Activity B (select items, press submit) -> [already running] Activity A (receive sent items) I have no problem sending data back and forth. Is there something else that I should be doing? Thank you, I have tried to restart the activity from the onPause(), indeed the Activity restarts, but it takes some seconds to restart, By making the application the default home screen, you are replacing the current Android home screen with yours, thus whenever they hit the home button it would go to your lockscreen, not the Android home screen. startActivity(intent); what i want is when i am calling the class_B from various Activities, it must restart the Activity it is called from, using the context which is sent to the class_B from the Activity. public static void restartActivity(Activity act){ Intent intent=new Intent(); intent. From Activity A I launch Activity B but activity A must stay opened, now after I login in Activity B I save some data in Shared Preferences and I need the layout in Activity A to change according to the shared preferences values, so after login I have an application and there are certain conditions when I want my activity to be recreated or the onCreate function is needed to be called so that different functions can be performed again. 11. I'm creating an android application which have three activities first one is sign-in activity second is screen as splash screen which I want to display for three seconds finally third activity will start. setContentView(Activity. At a certain point though I would like to be able to have the user reset/(restart?) the activity back to the initial state without having the user have to hit the back button or restart the app. The idea of the project is to restart the activity and to observe it, by generating a random number. Create a Util folder or module in your project and add a Context. Disable activity rotation: You can disable the activity rotation by adding android:screenOrientation="portrait" attribute to your activity in the AndroidManifest. I do two IntentOnResult to get informations from other activities (a Bluetoothcheck and a Search for Beacons). You can use an Extension function if you want to be more concise. – Configuration changes should restart all the activities – lelloman. If I use FLAG_ACTIVITY_REORDER_TO_FRONT it ANd coming back I noticed one major problem- you'd want to do this in onResume, not in onPause. Ask Question Asked 11 years, 1 month ago. Android: resume an Activity with singleTop or SingleTask. But if I get the result of the second intent it also execute first one. Of course, since you're the one who is finish()-ing and restarting If Android is going to restart my app, I need the activity stack restored, Activity C doesn't really make sense to be run stand alone (clicking the back button would exit the app and that doesn't make sense for this activity). android setting activity orientation by code. You passed "android. 6. I'm trying to write an Android activity instrumentation test that stops (onPause(), then onStop()) and restarts the current activity. I need it to go to another specific activity. Perceba que o método onResume() é chamado na criação da Activity e no 'restart' dela! I have to restart a CountDownTimer. I donot want multiple instance of the same activity should start. Android app only starts In this video I want to show you how to restart an activity seamlessly with some tricky workaround!Also check out my apps and games:App Store: https://apple. 78. 8. I have developed an Android app which is working fine but while the app works if I plug the device into a car charger and start the vehicle the activity gets auto restarted and all the values in the current activity get lost. But when i minimize app and start app from menu (clicking on app icon), it starts from launch activity (Activity A), like app restarts. example If you just consider to switch to your starting Activity, refer to Ricardo's answer. Sometimes I can edit my xml file and . go from activty A to B and come back to A android. use. thanks. e. You can see a sample of usage in the Android documentation or here on SO. But this approach won't reset static context of your app and won't rebuild the Application class, so the app won't be really restarted. android java notification tap reset activity. it restarts all activities but it stays in current activity intead of starting again from first activity – Ravi Kumar. activity. java:479) at com. override fun onPostExecute(result: How to stop a previously launched activity on Android in Kotlin. Then it opens a new activity to make changes to the activity. Not only is this cleaner because it is less code, it avoids issues that may arise if your activity was launched by an public static void restart( final Activity thiz) { restart(thiz, thiz. paste the code below in. Exception in Runtime Permissions. Required behaviour: The app either does not show the dialog and automatically opens the app when it's not in the foreground, or, when the app is in the foreground then when the user presses okay the app does not restart. I'm trying to restart my main activity on a command received from Firebase. Then we can go to activity B. Intent intent = new Intent(getContext, MyActivity. How to restart MAIN activity. onCreate() is called twice after the device is rotated. The problem is that: the 2nd code (for restart the activity) ignore this, and don't open the Keyboard at the start. You can have your Activity register to receive the broadcast Intent, for example. startActivity that way will launch the app you want (I've used that code to force people to a login activity), but if you do it in onPause it will infinitely loop the user to the activity you want to restart. FLAG_ACTIVITY_NEW_TASK); how could I restart (finish the How restart Fragment in my Activity - Android. I have a button on the top of the activity layout which should do the job. "can't restart" means nothing, for example, onCreate or onNewIntent is never called when startActivity() about activity already running. My question is how do i restart my whole activity whenever it is opened. In my Android application, when I rotate the device (slide out the keyboard) then my Activity is restarted (onCreate is called). class); intent. (just like when someone presses home button and goes back to the app). I use startActivity() to start new activities. 0. Is it possible to restart Android App after calling ActivityManager. Intent myIntent = new Intent(CurrentActivity. Result: 'Activity A' shows up (it restarts). In activity2 I do some stuff and at end, I finish this activity and come back to activity1. Action not working on Permission Denied. In Android, from Activity A, if I start new Activity B, Android will automatically save all the state of Activity A. Now if I press back, I go to B with the states preserved. I have 2 activities A and B. Attempted solution: I've tried making sure every Activity's launch mode is set to "SingleTask". FLAG_ACTIVITY_NEW_TASK | Intent. How can I do that? How to restart an Activity in Android - This example demonstrates how do I restart an Activity in android. android app crashes at restart. onRefreshSelected = (OnRefreshSelected) MainScreen. Check this preference when you enter your main Activity and, if set, jump to that Activity. launchActivity(null). AlertDialog restarted each time I return to MainActivity. Hot Network Questions Using rule-based symbology for overlapping layers in QGIS What I would like to do is after logging out, the application should restart so that credentials etc. setFlag(Intent. The game starts with the "Start" activity, and from there the user can pick a mode which will then launch the "Main" activity. MainActivity" The activity is created and resumed, but then Android notices that the screen is off/locked, so it pauses the activity. I'm kinda new to android. I want launch MediaActivty again when screen on. example. I currently have activity A that fires an intent to goto B and while on act B if you press back I want to go back to act A but have it refresh itself. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to In principle, you can add a static boolean variable, set it to true before invoking the restart activity, and after the restart it will be false. g] MainActivy and MediaActivity. FLAG_ACTIVITY_CLEAR_TASK); This will ensure a fresh instance of your root activity is launched (the first flag), while all previous activities are popped off the stack (the second flag) This is the default behaviour and this question has been asked several times before: Android: keep task's activity stack after restart from HOME Android Run application from last Activity. If user click home button in MediaActivity, App will hide. Restart all activities in task. How to update activities ? Pre API 11 (Honeycomb), the simplest way to make the existing activities to be displayed in new language is to restart it. But In activity1, my components state are the same when I leave this activity. How to send an object from one Android Activity to another using Intents? 731. Commented Apr 10, 2019 at 2:01. Checking for existing instance of activity before launching. Device Rotation causing Activity to be destroyed and created. I know the way to restart current Activity, we do is . If still you want I can't for the life of me figure out how to have an activity be refreshed after pressing the back button. There are better ways to do what you want. 830. I need restart a first fragment in my activity with click on Button. java:455) at android. Finally, I would be able to find a nice/hacking solution. I have two activities. for more info see Activity Quando a Activity B for finalizada, a Activity A, que estava em 'stop' terá seu ciclo de vida percorrido afim de fazê-la sofrer 'restart'. We basicly, casted activity instance to our activity for letting us call our method that you can refresh ui. because Life-cycle of android app is stack. Just save the important stuff whenever the system feels like destroying your activity - so you can recreate it with the last state again edit: It is long ago since I last messed around with multiple activities. Android: How to restart an Activity. I have activity A which is activited by receiver B when new sms comes. You don't want to start an Activity in the background. That activity contains a Fragment within a ViewPager. , before setContentView(R. VideoView in Android. This is allegedly in order to prevent any security some people frown upon using activities within tabs. private void restartApp() { Intent intent = new . The fragment has an if / else statement that checks to see if a round has already been played, and if so, it needs to reload the fragment with alternative values. the Activity named MainActivity I cant restart is singleTop and overrides onNewIntent. here is a code for detecting back button: Well i think, the problem could be: Image byte array is too big such that it touches the limit and android restarts the application so following is what will i do: Calling the intent with some parameter telling to downsample the bytes it gonna send back. The main reason I would like to do this is Android activity restart. pressBack() but will not throw an exception when Espresso navigates outside the application or process under test) and to launch activity again: activityRule. From B with the press of a button I go to activity C. In this blog, we will delve into the various approaches to achieve this. Just use Activiy. When you say "restart", do you actually need to stop Activity B and start Activity B again? Or do you just want to show it? To start an Activity from another Activity, you could call something like this: startActivity(new (Intent(this, ActivityB. isFinishing()); activity = inst. Your activity will be recreate as a new instance remember! Everything will be started afresh. onConfigurationChanged doesn't avoid activity restart on orientation change. I am lunching this activity on button click of another activity. When I click on the button, the current activity should reload, just like a device restart. Below is the code for the activity_main. Easy. How re-run failed test in Espresso? - brainstorming. Please note that this second activity isn't bound to the Service and I don't wish to bind it. How to start fragment from Activity in Android Kotlin. now if any sms comes than i want to start that old activity first or finish that old activity. OTOH, your report means that the trick does not work identically on all devices. If i click the button more than once then as i have made the activity as single task then If the activity already running then nothing happens. ACTION_WIFI_SETTINGS using startActivityForResult instead of startActivity because when user return back then onActivityResult method called in Activity where you can check again is wifi is enabled or not before restarting Activity. Android: How to Force reload activity if came from background? 0. android. setContentView(PhoneWindow. Tags: android java. It will get the call to onReceive() even if it is in the background. FLAG_ACTIVITY_CLEAR_TOP); startActivity(i); set android:launchMode="singleTask" attribute for your root activity. restart Activity from other Activity. Is there a way for me to create a service to track my activity class and restart it after a crash? Note that i CANNOT use uncaughthandlers thread method to restart my app. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Improve this answer. The problem that I do have is that when I try to restart Activity A, it goes through the Activity's onCreate() method. suppose I started activity by clicking on app icon and it starts activity A. I read that as long as I create a new instance of the AsyncTask I should be to restart those tasks. I have created an algorithm which requires the following steps: 'Button Pressed 'Do some stuff 'Save Activity Data 'Restart Activity 'Redraw Based on Previous Activity Data Some of the critical code is in Create and some of it is in My initial solution was to close the app by Espresso. ja v a2 s. I show that information I need a gameId. Restart Dialog from another activity. Ive managed to make it work but in MainActivity class has a TimerTask and in order to call the Stop function from my Firebase class I have to make a new instance of the MainActivity Class. remove Step 3. now I am pressing HOME key in my activity goes in background. how to reload main activity after click "OK" on AlertDialog. To fix this, you should override onNewIntent(). Hot Network Questions How to buy residential realty, without conveying purchase money to any lawyer’s trust account? That seems unnecessary. So Properly stopping and restarting your activity is an important process in the activity lifecycle that ensures your users perceive that your app is always alive This example demonstrates how do I restart an Activity in android. i tried some codes like this: Restart fragment inside activity but it didn't work. Community Bot. xml My app needs to redraw certain elements upon a button press. internal. But if the result false I want to restart the activity executed before from onPostExecute. Controlling Android Activity restart after a process stops. 434. com*/ public static void restart( final Activity thiz, Intent intent) { This example demonstrates how to restart an Android Activity using Kotlin. Now, when the Activity resumes, it makes every View to draw itself. intent. If you want to reuse it you should only pause that activty so you can easily resume that same instance of the activity (as Chris Shaw already mentioned). . Important point: Re-creating new activity might result in lose of data fetched from network using threads or asynctask in the activity so you need to take this issue as well. I have a main activity which is my launcher activity also. 223. getActivity(); // do something activity. xml. You can determine if your Activity is in the background by setting a variable to true in onPause() and to false in onResume(). To apply the theme, make sure you do it before any View is drawn, i. DisplayMetrics dm = res. setClass(act, act. I use this. How can i prevent that. Shabbir Dhangot Activity restart on rotation Android. Modified 3 years, 11 months ago. The thing is that I want the dialog to restart activity one if po But if I make a change in some code, and try to "apply changes to application and restart activity" it crashes. how to restart activity in android Comment . Uninterested Unicorn. Can you please help me about this game that I created, I want to reload the same activity, like restart game in quiz game. Uncheck the box next to Restart activity on code changes. Now my question is : how could I restart the whole application from the second Activity restart on rotation Android. Using recreate() (API Level 11+) For API Restarting an activity is pretty straight forward if your app supports HoneyComb and above. I want to create a reset button. Called after onStop() when the current activity is being re-displayed to the user (the user has navigated back to it). java:3468) at com. When a new activity is started, it is placed on the top of the stack and becomes the running activity -- the previous activity always remains below it in the stack, and will not come to the foreground again until the new activity exits. I have separate screens for portrait and landscape mode. Step 2: Working with the activity_main. However, what you're probably seeing is that getIntent() is returning the intent that started the activity, not the intent that was most recently sent to it. If I play the game for a bit, then click on the ad, then close the ad, everything that happened in Main is lost and Main is reset. Usually it is better to let Android handle the lifecycle itself. I tried activity. 932. 0 Answers Avg Quality 2/10 Grepper Features Reviews Update: To restart your application, Make your Root Activity's Intent, while setting these flags. Avoid Activity resuming when app goes in background. Click on the application again. Is it possible? For example from an activity, I will go to another activity then when I go back to previous activity, all is new, no instance is saved. So using recreate() is almost certainly not what the OP is looking for. Now i do not want my This is quite a conundrum: I open my app. But I want to relaunch the activity without creating another instance. for example 12pm in afternoon. Finishing main activity cause android application to restart. Android remembers the state of activities in the task stack and it has no problem killing your process (which contains all your activities) whenever it wants to, because it "knows" that it can always reconstruct your activities whenever it needs to. layout. Configuration conf = When an uncaught exception occurs, the uncaughtException method will be called. The Kaboom happens when I press Home button in activity say C and then It is known that when we deny permissions at runtime in Android 6. App start by itseft on Android. If you want to completely restart your app, I can advise more radical way, using PendingIntent. The problem I'm having is that at the point of the user clicking 'log-out', the application already has 3-4 activities running, and I'm not sure how to step back through them. splash; Restart Android activity on relaunch of application. I need to restart B activity each time because B activity works with Timer and I want to destroy Timer – Then, in another activity, the user can set the configuration of the application. In my android app, I have an activity that displays profile information. notifydatastatechange(); } If you done this in onResume then its call two times first when your activity start n 2nd when your activity restart. <activity android:name=". Instead use something like this @Override public boolean onOptionsItemSelected(MenuItem item) { switch Activities in the system are managed as an activity stack. I want to create and start an activity to show information about a game. How to restart Activity in Android. Thus the activity can find out whether or not the restart has already happened (and if it has happened, just finish()). Is someone experienced in this and has any solution? Can DC current effect the device or activity? Android examples for Activity:Activity Restart. I hope you guys can help me, this is the code: package com. First thing I did was create the button and had the line of code in the xml as such. How to restart my android application on settings change? 0. how to Clear Application cache on exit in android. it's my first Android Project and I have some trouble. There is an ad banner on Main. Share. finish(); Assert. Sorted by: Reset to default 1286 . Pls help Android considers each Activity to be a separate self-contained entity. exit(0). Once I run this intent and then navigate to new Activities and press the home button on the device, then launch my app again from the app icon, I end up creating a new instance of the main Activity, with my previous activity on the back stack. If you want data to persist, you need to store them using SharedPreferences or a database in onSaveInstanceState(). 12. Link to this answer Share Copy Link . I tried adding android:configChanges="orientation|screenSize" to the AndroidManifest but that wont be a Android activity restart. assertTrue(this. Activity gets killed when orientation is changed. You cant restart activity not whole application. Have you considered using Fragments instead The transition/animation makes the theme change seamless when you restart the activity, and this can be done by adding the items "android:windowanimationStyle" to your themes, and then referencing a style where you specifiy how the Activity should animate when it enters and exits. this; you are assigning your activity in onRefreshSelected field, trying to cast it to your interface, but your activity doesn't implement the interface, that's why ClassCastException raised. So I have the following: Intent i = getBaseContext(). Modified 8 years, 6 months ago. How can this be fixed? Launch Settings. Changing your launch configuration to launch no As an Android developer, you may encounter situations where you need to restart an Activity. I am developing a simple app My app activity restart : I have a home activity A, from where I open activity B. Really sorry, it's my mistake: my activity is an embedded activity of an tabactivity, when add android:configChanges="locale" to the tabactivity, it works well, it will not goes to onDestroy() when change the language, and will call onConfigurationChanged() in the tabactivity, but this method cann't called in the embedded activity. startActivity(refresh); With the method from Activity class: recreate(); I hope your minimum SDK version will support because it was introduce in SDK 11. My launcher activity is called 'Login' and after login, the main activity is called 'Main'. Get root view from current activity. Hot Network Questions Do “extremely singular” functions exist? How to make the curved part of this traffic light? Movie from 90s or early 2000s of boy drinking a potion and becoming a wooden-like To prove that the I'm very new on Android development. You can try using this line at the activity in the manifest. In the first one (the one you want to restart it from), you would have a button that initiates the restart of the app. CountDownTimer in android - how to restart it. Now when i want to restart the Activity_A from the class_B. Thirs one is what you want to clarify with So that after back button press in login activity will close my apps. I´m calling a dialog in activity two from activity one. i already implement onSaveInstanceState in all activity of my Application) 3. (If you are just looking for a way to get back to your Activity and don't care about the code, use the Recents menu to get back to your Activity. My app is something simple, like this I have an activity that have 3 fragment inside. getPackageManager(). Stopping an activity and restarting it (android) 1. pressBackUnconditionally() (it is similar to Espresso. Read this and this. intent. My Android app comprises several activities: M (main or root), A, B, CBelow is a possible activity navigation graph: When my root activity M is being initialized, I cache some parameters (like screen dimensions) as static variables in special class MyUtils to use them later in other activities. Second question is in what case, you want to clear the stack and return back. Navigate to Build, Execution, Deployment > Instant Run. Start Activity on mobile restart. Source: Grepper. So in this article, we are going to discuss three different methods to Programmatically Restart an Android App on Button Click. I my Android app to refresh its current activity on ButtonClick. Android is a bit forgiving about this, To create a new project in Android Studio please refer to How to Create/Start a New Project in Android Studio. ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager()); a Marc's answer works great, except in my case where my main activity has a launchMode of singleTop. The recreate() method acts just like a configuration change, so Launch Activity A -> Activity B; Press 'Home' button. If you finish an activity you can only restart that activity by creating a new instance of it. This will receive the new intent sent to it. Result: 'Activity B' shows up (it resumes). fun Context. It launches an activity which acts as a splashscreen (ASplashscreen) in which I load some JSON data from local storage (raw folder) and store it in memory in a singleton object (static). Executing this. restart() { val packageManager = packageManager val intent = packageManager. 272. and activity on activity you can not close all the activity at a time. Espresso 2 on Android, intermediately tests fail after failing to start the activity under test while activities from previous tests are still alive. Just like when the orientation of the device changes and the oncreate function is recalled or the activity is recreated, in the same way, I want my application to be restarted. When you begin an Activity, store a SharedPreference that records which Activity you are on. content. replace layout on orientation change. Basically in your first activity you overwrite the method onActivityResult and in it (if the result is OK) re-show the button. Related. In activity1, I set some configuration and I modify the state of some component (ex: set button state disabled). Understanding the Problem Restarting an Activity involves creating a new I'm making an Android app, and I need to completely restart the app in a moment. In our application, we are saving the number of selected theme in the sharedpreferences and loading it during the creation of new activity. HOME"/> Using this, when user press the home button the system will ask you if you want to open for one time or always, select always and when user press home button will open the activity with the categoty home declared I faced similar problem, when I invoked recreate on activity it was blinking, I ended up using below code: // uncomment below line for blink effect :P // recreate(); // restart activity without blinking :-) Intent intent = new Intent(MyActivity. Android how to restart an activity. Put all the initial setting up in another function so it's not all lost on device rotation or I have an activity and on that activity there are a couple of buttons that do different things with numbers, etc. Viewed 34k times How to restart CountDownTimer when reentering the Activity. If I open another screen and then I come back to it, I want the whole activity to be restated. 3. xml and add the below code to that file. Viewed 1k times Part of Mobile Development Collective 1 . ACTION_WIFI_SETTINGS),0); I have a fragment that is part of tab view. How can I stop my activity from being destroyed when I rotate the emulator? 2. I am new to android development . can be entered again. You were creating an Intent with the constructor that takes a string for the action parameter of the Intent's IntentFilter. finish(); activity = getActivity(); seems to be the wrong way to stop and restart an When I go back to previous activity and try to start that activity again I can't get the AsyncTask to start again. After this process is done it automatically moves along to the main activity (AMain)I exit the app by pressing the home buttonand run other applications, Restarting the current activity all of a sudden is not going to be a great User experience. Force application to restart on first activity. this There are 3 different ways to start a new activity in Android, and they all use the Intent class; Intent | Android Developers. Launch Activity A -> Activity B On Mac OSX, select Android Studio > Preferences from the menu bar. – I want to restart an instance of my activity. 1. MAIN" as the argument to that constructor, which specifies that the Intent can be satisfied by any Activity with an IntentFilter including B activity doesn't return to A activity. Share . 75. – If we have two activities: Android List view refresh. How to determine Android: How to restart an Activity. e. vresj vkqpjs zkhmk uhetnz dydk lzle pdnbac rjwsu prdswx tbhjy