The company has a 16 gb sd card. After it is put on the mobile phone, the image library has never been flushed out. at first, it was thought that the SD card was very big and it took some time to scan. but the next day, there was still no card in the Image Library. that's strange. The SD card clearly has images. Why is the image not shown in the Image Library. check the log and find the SD card scanned again. there are also images scanned logs. I thought it was a problem with the image display i
Some specific software automatically generates a file named ". Nomedia" in the cached Pictures folder, shielding the scanning of other software.This folder represents the MP3, MP4, RMVB, JPEG and other media files such as audio and video, so the system library is not visible.However, some special software such as quick maps, MX player can also be in the settings to cancel the identification of these files!
Summarize Android nomedia Avoid file leaks in System gallery and system ringtonesImages of projects in application development are always included in the system's GalleryThere are 2 ways to avoid images that are included in the System galleryThe first one for the pictureRename the. png suffix to the. ing suffixLike Ic_launcher.png instead of ic_launcher.ing.Anoth
Android learning 10 (android file storage) and android file storage
The android system provides three methods for simple data persistence, namely file storage, SharePreference storage,
Android configuration file (2) and android configuration file
We know that each module of the Android system provides very powerful functions (such as phones, power supplies, and settings). By using these functions, applications can be more powerful and flexible. However, us
Android calls the File Manager and returns the path of the selected file. android File Manager
In actual projects, you often need to call the File Manager to select the download path or the local
Objective:
File storage is pretty familiar to us in the process of doing app development, but since the Android 6.0 release, access to external sdcard based on runtime permissions is required to dynamically request permissions, So the previous direct SDcard root directory directly created a xxx/cache/directory to do file storage is not so easy to control, so it
(Conversion) Android calls the built-in File Manager to select files and obtain the path. android File Manager
Unlike the sandbox mode of iOS, Android allows you to browse local memory in a file browser.
Android configuration file (6) and android configuration file1. android: allowTaskReparenting
Android: allowTaskReparenting is a task adjustment attribute, which indicates that when the task is re-sent to the foreground, whether the Activity defined by the application can b
Android configuration file (1) and android configuration file
In AndroidManifest. in the xml file, the
Package = "string"
Android: sharedUserId = "string"
Android: sharedUserLabel =
Android configuration file (1) and android configuration file
In AndroidManifest. in the xml file, the
Package = "string"
Android: sharedUserId = "string"
Android: sharedUserLabel =
Android note R file, android note FileReading directory
Introduction to the content of the R File
Introduction to resource reference through R files
I. Content of the R File
In Android Studio, the R
Android data cache-file storage, android file storage
During Android APP development, we usually add cache modules. Cache stores some APP data locally. Most of the data requested by the network is stored locally, so that the cached data can be directly used within the cache
Like native Android File Manager and Android File Manager
Developed based on the File Manager that comes with Android native. Here is a simple demo, which can be easily implemented based on the existing code, as shown below:
Android file download progress detection, android File Download
Recently, due to the needs of the project, I have studied the implementation of the Android file download progress display function. Next I will share with you how to
For drawable, Layout, menu folder each file will be generated in the R.java file drawable, layout, menu Class A constant, the class name is the name of the folder, the constant name is the file name.For the values folder below the file is generated according to the contents of the
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