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What is Android label?
android:label. A user-readable label for the activity. The label is displayed on-screen when the activity must be represented to the user. It’s often displayed along with the activity icon.
What is task affinity Android?
Task affinity lets you define which task an activity belongs to. By default, an activity has the same task affinity as its root activity. With task affinity, we can now separate activities into different tasks.
What is Android exported true?
android:exported Whether or not the broadcast receiver can receive messages from sources outside its application true if it can, and false if not. If false, the only messages the broadcast receiver can receive are those sent by components of the same application or applications with the same user ID.
What is intent Flag_activity_new_task?
When the intent that launches an activity contains the FLAG_ACTIVITY_NEW_TASK flag. A new activity is, by default, launched into the task of the activity that called startActivity() . It’s pushed onto the same back stack as the caller.
What is Android default activity?
In Android, you can configure the starting activity (default activity) of your application via following intent-filter in AndroidManifest. xml. See following code snippet to configure a activity class logoActivity as the default activity.
What is android name?
Overview
| Name | Internal codename | Version number(s) |
|---|---|---|
| Android Jelly Bean | Jelly Bean | 4.2 – 4.2.2 |
| 4.3 – 4.3.1 | ||
| Android KitKat | Key Lime Pie | 4.4 4.4.4 |
| 4.4W – 4.4W.2 |
What does the .apk stands for?
Android Package Android Package (APK) is the Android application package file format used by the Android operating system, and a number of other Android-based operating systems for distribution and installation of mobile apps, mobile games and middleware.
What is Onclick android?
Onclick in XML layout When the user clicks a button, the Button object receives an on-click event. To make click event work add android:onClick attribute to the Button element in your XML layout. The value for this attribute must be the name of the method you want to call in response to a click event.
What are activities in android?
An activity provides the window in which the app draws its UI. … Typically, one activity in an app is specified as the main activity, which is the first screen to appear when the user launches the app. Each activity can then start another activity in order to perform different actions.
How do I get my old Android activity back?
Answer #2: You can go back to the previous activity by just calling finish() in the activity you are on. Note any code after the finish() call will be run – you can just do a return after calling finish() to fix this.
What is finish affinity in Android?
There is a finishAffinity() method in Activity that will finish the current activity and all parent activities, but it works only in Android 4.1 or higher. For API 16+, use. finishAffinity(); For below 16, use. ActivityCompat.
What does android exported do?
The exported attribute is used to define if an activity, service, or receiver in your app is accessible and can be launched from an external application.
How do you find a merged manifest?
You find the manifest in your build folder, e.g. In Android Studio 3.3 you can also see Merged Manifest by clicking on Merged Manifest tab. It’s showed at the bottom of the editor pane when you open your standard project manifest.
How do I find the location of my android phone?
Steps to get location in Android
- Provide permissions in manifest file for receiving location update.
- Create LocationManager instance as reference to the location service.
- Request location from LocationManager.
- Receive location update from LocationListener on change of location.
What is the use of putExtra in Android?
Using putExtra() and getExtras() in android putExtra() adds extended data to the intent. It has two parameters, first one specifies the name which of the extra data,and the second parameter is the data itself.
What is singleTop in Android?
singleTop If an instance is not present on top of task then new instance will be created. Using this launch mode you can create multiple instance of the same activity in the same task or in different tasks only if the same instance does not already exist at the top of stack.
How do you refresh a fragment after onBackPressed from activity?
You can override onBackPressed in Activity and call a function on corresponding fragment to reloadItems().
What defines the UI for an activity or an app?
In android, Activity represents a single screen with a user interface (UI) and it will acts an entry point for the user’s to interact with app. For example, a contacts app that is having multiple activities like showing a list of contacts, add a new contact, and another activity to search for the contacts.
What is launcher activity in android?
Launcher Activities are the activities that can be launched for a given intent. For example, when you press an app icon on the home screen, the StartActivity intent starts the activity you have specified as the launcher activity.
What are the seven lifecycle methods of android activity and what is their purpose?
Android Activity Lifecycle methods
| Method | Description |
|---|---|
| onResume | called when activity will start interacting with the user. |
| onPause | called when activity is not visible to the user. |
| onStop | called when activity is no longer visible to the user. |
| onRestart | called after your activity is stopped, prior to start. |
What is Android 11 called?
Google has released its latest big update called Android 11 R, which is rolling out now to the firm’s Pixel devices, and to smartphones from a handful of third-party manufacturers.
Who is Android made by?
Google The Android operating system was developed by Google (GOOGL) for use in all of its touchscreen devices, tablets, and cell phones. This operating system was first developed by Android, Inc., a software company located in Silicon Valley before it was acquired by Google in 2005.
What is an Android app?
An Android app is a software application running on the Android platform. Because the Android platform is built for mobile devices, a typical Android app is designed for a smartphone or a tablet PC running on the Android OS.
Are APK files illegal?
When the newest Google Something app is released that does something new and everyone wants it, the APK file for it gets spread around liberally. … Technically, though, it’s piracy because you only have a license to use the app if you downloaded it from Google Play on that device.
Is an APK safe?
Because the APK files install apps on your system, they can pose a serious security threat. A person will malicious intentions could modify the APK before you install it, then use it as a digital Trojan horse to install and run malware. Thus, you need to ensure that the site you use is reliable.
What is UnlockMyTV?
UnlockMyTV APK looks like a wonderful option to stream movies and shows in high-quality. This app is probably a clone of the extremely popular Cinema HD APK. It not only looks identical but also functions the same way.
How can I use onClick in android?
To define the click event handler for a button, add the android:onClick attribute to the
What is the function of emulator in android?
The Android Emulator simulates Android devices on your computer so that you can test your application on a variety of devices and Android API levels without needing to have each physical device. The emulator provides almost all of the capabilities of a real Android device.
What is toggle button in android?
A toggle button allows the user to change a setting between two states. You can add a basic toggle button to your layout with the ToggleButton object. Android 4.0 (API level 14) introduces another kind of toggle button called a switch that provides a slider control, which you can add with a Switch object.
