Restart activity android. I have separate screens for portrait and landscape mode.

Restart activity android. finish() but current activity is not finishing and not restarting. finish(); Assert. setClass(act, act. Jul 15, 2016 · When your activity is recreated after it was previously destroyed, you can recover your saved state from the Bundle that the system passes your activity. Step 2: Working with the activity_main. Save and categorize content based on your preferences. class); activity. Disable activity rotation: You can disable the activity rotation by adding android:screenOrientation="portrait" attribute to your activity in the AndroidManifest. I have written code to prevent activity restart upon change in orientation in the manifest file as given below: &lt;. However, when supporting lower api versions you need something equivalent to Activity. ssaurel. An dirty way is, You can also write. assertTrue(this. startActivity(refresh); With the method from Activity class: recreate(); I hope your minimum SDK version will support because it was introduce in SDK 11. I hope you guys can help me, this is the code: package com. But my problem when I try to restart my Application, it crashes. Step 3 − Add the following code to src/MainActivity. My app is supposed to crash, don't worry about that part. Oct 28, 2017 · For Android SDK >= 21 you may use this approach: In your Activity class add function restartFragment. 1. 2. in manifest: &lt;activity android:name=". recreate. finish(); } You need to cast to activity context to start new activity and as well as to finish the current activity. Figure 1. For more information, see the Android docs for Tasks and Back Stack. setFlag(Intent. android restart app from main activity. If you need to restart an activity from more than one activty it can be put in a utility class. I made a settings page in my application where users can choose their own app colors. Note: In order for the Android system to restore the state of the views in your activity, each view must have a unique ID, supplied by the android:id attribute. example. LOCATION_SERVICE); boolean gpsEnabled Dec 16, 2019 · This is the offical documentation of the lifecycle of an app. class)); Nov 14, 2012 · For emulator, it works without android:exported="true" flag on activity in AndroidManifest. 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. Add a TextView to display a random number, and a Button to execute the process. Jan 13, 2013 · How to replace or restart activity with singleinstance from another activity. Jul 20, 2016 · I have modified ActivityTestRule to retry executing failed test cases. When the user leaves your activity, the system calls onStop() to stop the activity (1). Aug 31, 2015 · 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 Activity A must recreate to apply changes but still should be behind Activity B. 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. 0. restart Mar 4, 2024 · 本文全面解析了 Android 中 Activity 重启的最佳实践，涵盖了重启原理、常见问题解答、示例代码和通过按钮重启 Activity 等内容。通过遵循本文提供的指南，开发者可以有效地实现 Activity 的重启操作，处理用户交互，提升应用程序体验。 @Johnny You get a Force Close when the application raises an Exception that isn't handled. I thought i can use an Intent to achieve that, but that ends in an endless loop. Step 3: Working with the MainActivity. public static void restartActivity(Activity act){. Almost all activities interact wit Jan 19, 2009 · In my Android application, when I rotate the device (slide out the keyboard) then my Activity is restarted (onCreate is called). appcrash; import android. Below is the code for the activity_main. Activities in the system are managed as an activity stack. I do not want to redraw my activity so onCreate must not be called. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. getClass()); ((Activity)act). @Override public void onRestart() { super. e. Android calls the onResume() callback every time you return to an activity with the back button. @Ted Hopp the way the program works, is, you type in a word, and on the screen, it gives you a curtain number corresponding to that word. Now, when the Activity resumes, it makes every View to draw itself. I tried the flag FLAG_ACTIVITY_CLEAR_TASK and this works for Honeycomb but not for Gingerbread. Share Improve this answer I have an activity and it is getting restarted whenever orientation changes. (just like when someone presses home button and goes back to the app). i have two activity, ActivityA and ActivityB. @Override protected void onResume() { Intent inten Nov 19, 2020 · refresh activity android; start new activity android; refresh activity android kotlin; android start new Activity from an activity with a child; android close activity; how to reset android studio; how to stop activity from another activity; restart android emulator; app "restart" the home activity (and dismiss all other activities). Stopping an activity and restarting it (android) 2. content. 78. To disable activity recreation for particular configuration changes, add the configuration type to android:configChanges in the <activity> entry in your AndroidManifest. How to Restart Activity Programmatically Kotlin Android StudioAn activity is a single, focused thing that the user can do. Stopping an activity and restarting it (android) 1. How to restart MAIN activity. Context; public class MyApplication extends Application { public static MyApplication instance; @Override public void onCreate() { super. Then it opens a new activity to make changes to the activity. Just use Activiy. However, your activity might have more state information that you'd like to restore, such as member variables that track the user's progress in the activity. Apr 20, 2013 · Ok so I know this may seem simple, I mean I thought it was. onSaveInstanceState(savedInstanceState); // Save UI state changes to the savedInstanceState. kt file. To prevent this, you can use some techniques to handle the rotation and avoid activity restart. Feb 26, 2021 · To create a new project in Android Studio please refer to How to Create/Start a New Project in Android Studio. First thing I did was create the button and had the line of code in the xml as such. If the user returns while the activity is stopped, the system calls onRestart() (2), quickly followed by onStart() (3) and onResume() (4). Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. The Activity class is a crucial component of an Android app, and the way activities are launched and put together is a fundamental part of the platform's application model. splash; Feb 10, 2016 · 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. 11. But essentially I want the restartActivity method to restart the activity. This will force the activity to remain in portrait mode and prevent it from Sep 21, 2019 · My app needs to redraw certain elements upon a button press. I have tried calling mActivity. Both the onCreate() and onRestoreInstanceState() callback methods receive the same Bundle that contains the instance state information. startActivity on Android. Jul 31, 2016 · For all its flaws, the Windows OS did teach us one valuable lesson — sometimes, it’s a good idea to reboot/restart — just to make… May 20, 2024 · Introduction to activities. 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 Mar 19, 2014 · Marc's answer works great, except in my case where my main activity has a launchMode of singleTop. I want to restart my Android app, but I want it to go to a specific activity after the app restart. The system invokes each of these callbacks as the activity enters a new state. Jul 1, 2020 · How to restart an Activity in Android - This example demonstrates how do I restart an Activity in android. Now, this is probably how it's supposed to be, but I do a lot of ini android: text = "@string/text_login" android: tag = "text_login" video demo: giả thích code: ở method trên mình chỉ cần truyền viewGroup vào sẽ get tất cả các view con trong activity ,getTag, dựa vào tag và sẽ tìm ra Resources Id. intent. Note that select Java as the programming language. activity. Feb 6, 2022 · Step 2: Working with the activity_main. 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) Apr 3, 2020 · Can you please help me about this game that I created, I want to reload the same activity, like restart game in quiz game. 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. I need to restart the activity and re-run the execution whenever there is a test failure. setFlags(Intent. Dec 22, 2015 · In an Android application, how do you start a new activity (GUI) when a button in another activity is clicked, and how do you pass data between these two activities? @Override protected void onStart() { super. Basically how to do pause -> stop -> start -> resume? (without destroy or create) 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. xml. Dec 8, 2014 · Restarting an activity is pretty straight forward if your app supports HoneyComb and above. Thus the activity can find out whether or not the restart has already happened (and if it has happened, just finish()). Navigate to the app > res > layout > activity_main. , before setContentView(R. for more info see Activity Extend by device; Build apps that give your users seamless experiences from phones to tablets, watches, and more. Force application to restart on first activity. the problem is, that the setting won't take effect untill the activity is restarted (if you were to change the orientation, it would allow the setting to take effect, but Apr 22, 2013 · I am creating an application in Android, but when I would like to update some data, I want to restart my MainActivity. Notice that no matter what scenario causes the activity to stop, the system always calls onPause() before May 20, 2024 · To navigate transitions between stages of the activity lifecycle, the Activity class provides a core set of six callbacks: onCreate(), onStart(), onResume(), onPause(), onStop(), and onDestroy(). Oct 31, 2017 · Intent refresh = new Intent(activity, StartupActivity. When I click on the button, the current activity should reload, just like a device restart. To apply the theme, make sure you do it before any View is drawn, i. 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). The Solution. xml and add the below code to that file. getActivity(); // assert that activity's state is restored May 23, 2023 · Activityの状態が「開始」になると呼び出される。 Activityがフォアグラウンドに移動し、操作可能な状態になるまでの間に呼ばれる。Activityの遷移で元に戻った時も呼ばれる。 ここではonCreate()で取得したViewへのイベント登録や初期化を行う。 Mar 22, 2012 · The problem is: When the activity already exists, and I click on the notification, the activity comes to foreground, but the method onResume is not called and I cannot access the intent data. Sep 11, 2014 · How do I restart and activity in android terms within the activity. startActivity(intent); ((Activity)act). fun restartFragment(fragmentId: Int) { val currentFragment = this. Related. Step 2 − Add the following code to res/layout/activity_main. I need it to go to another specific activity. FLAG_ACTIVITY_NEW_TASK | Intent. I found this method to be useful. ActivityA" android:l Jan 20, 2016 · But it doesn't works when Activity starts, so i had to add android:windowSoftInputMode="stateVisible" to the AndroidManifest. Each activity is given a window in which to draw its user interface… May 7, 2013 · Android activity restart. Unlike programming paradigms in which apps are launched with a main() method, the Android Jul 1, 2020 · This example demonstrates how do I restart an Activity in android. java. onStart(); // Always call the superclass method first // The activity is either being restarted or started for the first time // so this is where we should make sure that GPS is enabled LocationManager locationManager = (LocationManager) getSystemService(Context. Your activity will be recreate as a new instance remember! Everything will be started afresh. OTOH, your report means that the trick does not work identically on all devices. I am currently using this code to re launch my app, but it starts back to the first activity. 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. xml I my Android app to refresh its current activity on ButtonClick. My app is something simple, like this I'm working on an Android application that uses AndEngine. Oct 7, 2020 · Update: To restart your application, Make your Root Activity's Intent, while setting these flags. how to force restart activity from intent. Jul 7, 2011 · 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. CLEAR_TASK); startActivity(intent); By this way, we started our activity again and killed the one which is in backstack. supportFragmentManager. 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. Step 2 − Add the following code to res/layout/activity_main. Intent intent = new Intent(getContext, MyActivity. Oct 12, 2015 · We basicly, casted activity instance to our activity for letting us call our method that you can refresh ui. app. Nov 18, 2016 · package com. Update (thanks @stackunderflow): As of API 11 (Honeycomb) you should use recreate() instead of restartActivity() . isFinishing()); activity = inst. xml but I found it useful to add it for unrooted physical device to make it work. Feb 18, 2016 · The onRestart() method is a callback method in the Android Activity lifecycle that is called when the activity is restarting after having been stopped. But the tests are restarted. xml file. findFragmentById(fragmentId)!! Jul 22, 2024 · In that case, you can declare that your activity handles the configuration change itself and prevent the system from restarting your activity. I want to create a reset button. Restarting an Activity involves creating a new instance of the Activity and destroying the current one. There are several ways to restart an Activity in Android, each with its own advantages and caveats. Now i do not want my Mar 29, 2023 · An Activity is an application component that provides a screen with which users can interact in order to do something, such as dial the phone, take a photo, send an email, or view a map. 5. You need to override onSaveInstanceState(Bundle savedInstanceState) and write the application state values you want to change to the Bundle parameter like this: @Override public void onSaveInstanceState(Bundle savedInstanceState) { super. class); intent. mainscreen); Apr 16, 2018 · How to restart Activity in Android. I have a button on the top of the activity layout which should do the job. onCreate(); instance = this; } @Override public Context getApplicationContext() { return super. This is how I start the activity from a notification: Dec 11, 2012 · I have an activity and on that activity there are a couple of buttons that do different things with numbers, etc. Jul 18, 2013 · In my android app, I have an activity that displays profile information. I use the following code to restart my Activity Dec 18, 2016 · In my example, only the PreferenceActivity is restarted, but you should be able to restart other activities on activity resume by setting a flag. How to restart an application completely? 1. I have separate screens for portrait and landscape mode. I'd like to restart an activitiy with the onResume() method. This process is used to refresh the Activity’s state, clear any cached data, and provide a clean slate for the user. Aug 31, 2011 · 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. getActivity(); // do something activity. No call to invalidate() should be needed. Jul 30, 2013 · I am new to android development . android:onClick="restartActivity" then my class contains the restartActivity Method as such Jan 20, 2012 · When you press the back button while in the second activity, then Android automatically invokes the previous activity on the back stack, which is in your case your main activity. Some use cases: If an activity is paused or stopped and the user returns to it, the onRestart() method can be used to resume the activity from its paused or stopped state. If you finish an activity you can only restart that activity by creating a new instance of it. Intent intent=new Intent(); intent. Nov 5, 2020 · How do I restart an Android Activity using Kotlin - This example demonstrates how to restart an Android Activity using Kotlin. getApplicationContext(); } public static MyApplication getInstance() { return Aug 20, 2010 · I think in your case one activity would be sufficient and you just place two views (question, answer) in this activity on which you switch the visibilities accordingly and update the question/answer content. When i change my orientation corresponding screen gets loaded and activity restarts . if you were to change the settings, the number corresponding to that word would change. Figure 1 presents a visual representation of this paradigm. I try to restart an activity in this way: private void restartActivity() { startActivity(new Intent(this, TMXTiledMapExample. Jun 13, 2012 · Android activity restart. The problem is that: the 2nd code (for restart the activity) ignore this, and don't open the Keyboard at the start. Application; import android. layout. If you use an UncaughtExceptionHandler then your application can handle all its Exceptions and the user will never see the Force Close dialog. onRestart(); //When BACK BUTTON is pressed, the activity on the stack is restarted //Do what you want on the refresh procedure here } You could code what you want to do when the Activity is restarted (called again from the event 'back button pressed') inside onRestart(). jnofasl wfz jxrw dkmzs kzoxqvb yvpz azbo jfvot sjbm zyzrz