You can create a style, <style name=”noAnimTheme” parent=”android:Theme”> <item name=”android:windowAnimationStyle”>@null</item> </style> and set it as theme for your activity in the manifest: <activity android:name=”.ui.ArticlesActivity” android:theme=”@style/noAnimTheme”> </activity> You can also define a style to specify custom entry and exit animations. http://developer.android.com/reference/android/R.attr.html#windowEnterAnimation
You have a few options: 1) Use the Bundle from the Intent: Intent mIntent = new Intent(this, Example.class); Bundle extras = mIntent.getExtras(); extras.putString(key, value); 2) Create a new Bundle Intent mIntent = new Intent(this, Example.class); Bundle mBundle = new Bundle(); mBundle.putString(key, value); mIntent.putExtras(mBundle); 3) Use the putExtra() shortcut method of the Intent Intent mIntent = … Read more
You can use the “New Class” dialog, but that leaves other steps you need to do by hand (e.g. adding an entry to the manifest file). If you want those steps to be automated, you can create the activity via the manifest editor like this: Double click on AndroidManifest.xml in the package explorer. Click on … Read more
You declared activity A with the standard launchMode in the Android manifest. According to the documentation, that means the following: The system always creates a new instance of the activity in the target task and routes the intent to it. Therefore, the system is forced to recreate activity A (i.e. calling onCreate) even if the … Read more
Update: this no longer works with other apps’ activities as of Android 5.0 Here’s a good way to do it using the activity manager. You basically get the runningTasks from the activity manager. It will always return the currently active task first. From there you can get the topActivity. Example here There’s an easy way … Read more
The issue was the OrderScreen Activity wasn’t added to the AndroidManifest.xml. Once I added that as an application node, it worked properly. <activity android:name=”.OrderScreen” />
Here’s the code to do a nice smooth fade between two Activities.. Create a file called fadein.xml in res/anim <?xml version=”1.0″ encoding=”utf-8″?> <alpha xmlns:android=”http://schemas.android.com/apk/res/android” android:interpolator=”@android:anim/accelerate_interpolator” android:fromAlpha=”0.0″ android:toAlpha=”1.0″ android:duration=”2000″ /> Create a file called fadeout.xml in res/anim <?xml version=”1.0″ encoding=”utf-8″?> <alpha xmlns:android=”http://schemas.android.com/apk/res/android” android:interpolator=”@android:anim/accelerate_interpolator” android:fromAlpha=”1.0″ android:toAlpha=”0.0″ android:duration=”2000″ /> If you want to fade from Activity A to … Read more
It seems that I found a solution to my problem. Very good explanations are given here and here. Here is my example: pulic class MyActivity extends FragmentActivity{ private ViewPager pager; private TitlePageIndicator indicator; private TabsAdapter adapter; private Bundle savedInstanceState; @Override public void onCreate(Bundle savedInstanceState) { …. this.savedInstanceState = savedInstanceState; pager = (ViewPager) findViewById(R.id.pager);; indicator = … Read more
(Note: An official API was added in API 14: See this answer https://stackoverflow.com/a/29786451/119733) DO NOT USE PREVIOUS (waqas716) answer. You will have memory leak problem, because of the static reference to the activity. For more detail see the following link http://android-developers.blogspot.fr/2009/01/avoiding-memory-leaks.html To avoid this, you should manage activities references. Add the name of the application … Read more
Start Activity2 with startActivityForResult and use setResult method for sending data back from Activity2 to Activity1. In Activity1 you will need to override onActivityResult for updating TextView with EditText data from Activity2. For example: In Activity1, start Activity2 as: Intent i = new Intent(this, Activity2.class); startActivityForResult(i, 1); In Activity2, use setResult for sending data back: … Read more