android-studio

问题 I have integrated OpenCV 4.3.0 in my Android Studio 4.0 application. I have to install the OpenCV Manager on my target Android device to make my application work. I have followed below link to integrate the OpenCV: https://android.jlelse.eu/a-beginners-guide-to-setting-up-opencv-android-library-on-android-studio-19794e220f3c As per the above link, I have the static OpenCV libraries in my Android application. In my code, I just open the camera preview for testing. My application fails to load

问题 I have integrated OpenCV 4.3.0 in my Android Studio 4.0 application. I have to install the OpenCV Manager on my target Android device to make my application work. I have followed below link to integrate the OpenCV: https://android.jlelse.eu/a-beginners-guide-to-setting-up-opencv-android-library-on-android-studio-19794e220f3c As per the above link, I have the static OpenCV libraries in my Android application. In my code, I just open the camera preview for testing. My application fails to load

问题 I have integrated OpenCV 4.3.0 in my Android Studio 4.0 application. I have to install the OpenCV Manager on my target Android device to make my application work. I have followed below link to integrate the OpenCV: https://android.jlelse.eu/a-beginners-guide-to-setting-up-opencv-android-library-on-android-studio-19794e220f3c As per the above link, I have the static OpenCV libraries in my Android application. In my code, I just open the camera preview for testing. My application fails to load

问题 I have added ConstraintLayout 1.0.0 to my project as a dependency and it builds successfully. But in Android Studio 2.2 in activity_main.xml in Design tab I always receive this message: Rendering Problems The following classes could not be found: - android.support.constraint.ConstraintLayout ( Add constraint-layout library dependency to the project, Fix Build Path, Edit XML, Create Class) Tip: Try to build the project. Tip: Try to refresh the layout. Because of that visual editor doesn't

问题 I am working with a ByteArray which contains multiple images.basically when I capture image from camera that byte array converted into string array and store that string to SQLite . like below. and then get this string and converted to byte then trying to display images into grid view but instead of getting capture image I am getting only imageview. here is my code : SharedPreferences settings = getSharedPreferences("image String", Context.MODE_PRIVATE); String encodedImage = settings

问题 I am trying to display the available and unavailable slots on a horizontal bar graph, but not able to find a solution to that. The values coming from server are like - start_time - 9.30am end_time - 11.30am status - available start_time - 11.30am end_time - 12.00pm status - available start_time - 12.00pm end_time - 15.00pm status - not available and so on...till 21.00pm so i have to represent the available slots with green color and unavailable slots with grey color on a single horizontal bar

问题 save last position of videoView saved by sharedprefrence and start in last position (android studio) hello I serch for my problam in stackaverflow and other refrences but I dont get my answer . I use VideoView In my app I want to save the last position of videview in a sharedPrefrence to start again from the last position but it start in 0 every time please check my code and tel me what should i do. package com.rewass.qurankurdishaudiotranslatev2.activitys; import android.content.Context;

问题 In my app I'm using google maps. Now, I realized that you have a build google maps key and release google maps key. When I launch my signed apk into the app store for testing the google maps screen goes grey. And i have to keep signing a new apk and loading it into play store and then test it. How do I test a release build? Please provide very simple and easy step by step instructions or if you know how to solve the problem with google maps that would be helpful. Here is a screen shot of how

问题 When using using Android Studio's 'Go to declaration' feature (cmd + click), a decompiled source is shown, when though the source is in my project. The kotlin MP source is in another module. I can connect the source using the 'choose sources...' option, however I have to do this for each file. Is there a global fix for connecting to the correct source files? 来源： https://stackoverflow.com/questions/61230781/kotlin-multiplatform-go-to-declaration-goes-to-decompiled-code

问题 I'm building an android application which allow user to pick Image from camera or From Gallery then display the image in a Imageview.My application working fine if the user take the picture from camera, but if the user pick the image from gallery my application only work on android 9 and bellow,BitmapFactory.decodeFile(ImageFilePath) always return null on android 10 with the imageFilePath = "/storage/emulated/0/DCIM/Camera/20200629_114552.jpg"(path is the same on android 9 and 10). I've