Recent Posts
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Android – how do I set the same height in relativelayout?
Here is my XML code: <RelativeLayout android:id="@+id/ib" android:layout_width="match_parent" android:l…… -
Android – onbackpressed fragments do not work when implementing interfaces
I tried to override the onbackpressed method in the fragment. But it gave me a syntax error. It should override the su…… -
Can I use the widgets in the Android l preview support library in the current Android version?
Invalid Sign I'm trying to use widgets that don't have Android l preview devices or simulators. I've checked other pro…… -
Android – volley jsonobjectrequest sends header file in get request
I tried to send some authentication headers from the get request, and I tried to call with volley jsonobjectrequest: M…… -
Java – inserts an object into a specific location in jsonarray
I want to add objects to a specific location in jsonarray. My current jsonarray looks like this { "imgs": [ …… -
Android – center texture libgdx
I try to center the 256px x 256px image in libgdx. When I run the code I am using it, the image will be rendered in th…… -
Android – cannot debug on a KitKat device
I have KitKat on three devices (Nexus 7 2013, nexus 7 2013 and Galaxy nexus. Obviously, Galaxy nexus is not the offici…… -
Projects cannot be built using Android NDK and Android studio
I have an Android project with ffmpeg and other external libraries. I downloaded the latest version of NDK (ndk-r10) a…… -
Android – how to use recyclerview in 4.0 API 14
I have successfully implemented recyclerview using cardview. But now I also want to get support from API 14. At presen…… -
Android Studio – Android project view missing
I found some pages, but it didn't lead me back to the normal Android project view http://developer.android.com/sdk/ins…… -
Android – button opacity / transparency
In main.xml: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.c…… -
How to increase the text size of horizontal chart value in mpadroidchart
mChart.setDrawValueAboveBar(false); resolvent: -
Android, ImageView
I'm trying to use a paintable PNG to get my ImageView to fill the display (I don't care about the ratio). However, fil…… -
Java – Android. Brightness change
I'm trying to solve the following task: smooth changing the brightness from 100% to 0%, but I can't get a smooth effec…… -
How to make Android support floatingactionbutton in the lower right corner of the screen?
I added a floatingactionbutton to the layout in relativelayout, as shown below <RelativeLayout xmlns:android="http:…… -
Unable to install Intel haxm. Error x86 emulation for Android studio. Hardware acceleration is currently required
I just installed Android studio without any problems. But when I ran the simulator, I received an error: I found many …… -
Android – opens the device contact list in the button click event
How to open the Android device contact list in the button click event resolvent: Try this code yourButton.setOnCli…… -
Android: reduce the code for handling alertdialog
I'm new to Java development... I'm trying to implement alert in Android applications using the following code …… -
Android – reduces padding between navigation icons and logos on toolbars
Who knows how to reduce the padding between the navigation icon and logo on the toolbar. For some reason, there seems …… -
Android – recyclerview nested in recyclerview performance
I have a recyclerview that lists many group items. Under each group item, I want another recyclerview with a grid layo…… -
Android performance analysis and optimization notes – 5 layout optimization
Asynclayoutinflator side relief XML is converted into Java code during X2C compilation. If it is compatible, the adapt…… -
Java – how to get the offset of recyclerview?
I want to save the location of recyclerview and reset it later. If only half of the top item is visible, what can I us…… -
Android – app crashes to get device ID
I am using the following code to get the device ID public static String getDeviceUuId(Activity context) { Stri…… -
Android – how do I delete a white screen that appears before the splash screen?
When opening a java file, I first look at the blank white screen, and then look at my startup screen layout. I have a …… -
Android – image in appbarlayout
What I want to achieve is almost the same as the result on the image, but there is no folding and label layout under t…… -
Android – implement recyclerview using a collapsed toolbar layout
I'm trying to implement recyclerview using the folding toolbar, but I'm facing a problem because recyclerview is up on…… -
Android – how do I reduce the size of an image before uploading it to firebase storage?
I have made a social application for image and video sharing. However, it takes too much time to load images. I am usi…… -
React native router flux disable the Android back button to return to the login interface
Using react native router flux, after the user successfully logs in, I want to disable the back button to return to th…… -
Android – how to display ImageView at the bottom of cardview
Suffering from XML. I want to display roundedcornerimageview at the bottom of cardview. It's difficult to implement it…… -
Java – Android constraint layout renderproblems in nestedscrollview
I'm trying to add my contractlayout to nestedscrollview. When watching my contractlayout, everything looks good But th…… -
Android – how to get the user’s location only once without tracking?
In my android app, I need to gt the user's location when I click the button. However, I don't need to receive continuo…… -
Catch all exceptions in Android (xamarin)
I use the code below here Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() { ……