Android
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Java – how does Android set a string array to a single textview
I want to try to set the string array to the text of textview. How can I do this@ H_ 419_ 1@ Here's what I've tried so…… -
Java – which class is the superclass of all classes
I'm a beginner in Java. I'm a little confused about the superclasses of all classes in Java? resolvent: From object do…… -
Android – AdMob error: there is not enough space to display ads. 320 is required × 50 DP, but only 309 × 0 dp
I'm trying to put smart banner ads into my clip layout, and all I get is "there's not enough space to display ads. nee…… -
Android – why is there content by default_ Main.xml and activity_ Main.xml, not just activity_ main.xml？
I just started learning android app development. I have Android studio 1.4. In my layout folder, I have two XML files …… -
Java – Android: use anonymous classes to programmatically create click listeners
I see some examples of making textview clickable by setting onclick = "clickhandler" and clickable = "true". Is there …… -
Android – WiFi manager.calculatesignallevel (RSSI, 5)
I'm trying to use WiFi manager to calculate the signal level of the access point found during the scan I use the follo…… -
Android – horizontalscrollview: the customadapter with getview () does not reuse convertviews like listview
In my past project, I implemented a "time picker carousel". It is based on horizontalscrollview. Users can select the …… -
Android – animation of action bar actions
I am using Android 4.2 and the latest version of appcompat. I use these methods to show and hide my action bar: final …… -
Write long text to display on the Android screen so that the screen will score down
I want to display 2-3 pages of text. I try to use the scroll view, but the text is cut off. I'm a novice in developmen…… -
Android – what is the preferred way to save / restore screen state using flow mortar dagger2?
I'm trying to convert the acticity fragments application to flow mortar dagger2 Invalid Sign I spent a lot of time loo…… -
Android – central column in recyclerview
I'm trying to create a dynamic recyclerview layout. The gridlayoutmanager I use has three columns I need to wrap each …… -
Android senior engineer advanced learning, in-depth
The first offer is iFLYTEK Inexplicably, he resigned after two months. Although the Android Department has something t…… -
Android – the Fab fixed to the app bar is not hidden when scrolling up
I have anchored the FAB to appbarlayout. However, when scrolling up, the expected behavior of the fab is to hide when …… -
Android – set the selector for the button and publish it programmatically
I have a row of buttons, and I am programmatically setting the selector for background and text. The reason I want to …… -
Android – error executing HTTP post in cell
I have two Android mobile devices, a v2.3 API 9 and a v3.1 cell. I want to publish the HTTP API link of SMS code. It b…… -
Android – use intent.action_ Pick to get a specific path
I'm trying to use the Android gallery to select pictures. It's easy to start the gallery Intent photoPickerIntent = ne…… -
Android – how to find the nearest location of the current location from a given data
I have a location address list. From my current location, I need to go to the nearest place and display it on the map.…… -
Linux suspend / resume process in Android
The Linux suspend / resume process in Android starts with suspend in the Linux kernel. Whether you use echo MEM > /…… -
Android – strange behavior of using EditText inside Tags
I have a view that contains another view with an "include" component (see http://android-developers.blogspot.com/2009/…… -
Add items on listview Android
I have a listview. I use list. Add (mylist) and adapter. Notifydatasetchanged (), which add items below the existing l…… -
Android – Method getactivity() does not define type mainactivity
I'm trying to use this demo. When I pull it into my mainactivity, I receive the error "method getactivity() does not d…… -
Use Android MAC address as unique identifier
I've been reading some posts on stack overflow where Android doesn't have a unique identifier. But can't I use the MAC…… -
Android, how to determine whether a restart has occurred?
How will I programmatically determine when the Android device will restart (whether it is started individually or by t…… -
Android – how about a password line
I need to programmatically set EditText to display text such as password, and I also need to use this EditText as a si…… -
Android – bufferedinputstream or FileInputStream IOException
I just released an Android application that parses local files and processes some data. A few days ago, one of my cust…… -
Android senior engineer daily interview questions selection, 10000 words long!
In the face of so many existing cross platform solutions, why is flutter the most popular cross platform technology? W…… -
Java – how to create a new activity, I can choose to add a new project from the database?
I created the database after this tutorial, and I created a button in the main activity, which takes the user to anoth…… -
Android – serviceconnection. Onserviceconnected() was never called after binding to a started service
public class ProgressService extends Service implements GameConstants { public static final String BROADCAST_PROGR…… -
android – Intent.ACTION_ Call starts a Skype call instead of a “normal” call
I have the following code, and I launch it from the dialog fragment button: uri = "tel:"+ServerDialogCallUs.this.cont…… -
Android – eraser with porterduff.mode.clear always draws a black line, I want to delete it
Can I draw its path, move it with my fingers, delete it with transparent lines, or don't draw at all? This is how I in…… -
Android – how to view content cacerts.bks (certificate file / system / etc / security / carcerts. BKS)
Does anyone know how to view the list of root certificates supported by Android devices? I want to see the information……