android-sdcard

I'm trying to populate a ListView with a mixture of files stored on the SDcard AND stored as assets in the APK. Using TraceView , I can see that the performance of AssetManager.list() is poor in comparison to File.listFiles() , even though I'm using a filename filter for the SDcard. Here is a simple method that returns all the png files from a folder on the SDcard: // The folder on SDcard may contain files other than png, so filter them out private File[] getMatchingFiles(File path) { File[] flFiles = path.listFiles(new FilenameFilter() { public boolean accept(File dir, String name) { name =

I'm trying to write a photo on the SD card without success. I've got the permissions to write in the removable storage and the sd card is mounted. Also, I checked that the path to the SD card exists and I have obtained a positive result. Where it fails is when I use the mkdir() function. It returns false and no file is created. I have tested on both a Samsung A6(Marshmallow) and a Samsung Tab4(Lollipop) This is the snippet of code I'm using to retrieve the path to the SD-card. Because the standard procedure didn't work with Samsung devices, I'm using this snippet of code that I took from a

I have an app with xyz.zip folder which is extracting after installation in sdcard. Folder contains a lot of files(e.g Video,audio,etc.).During installing app I wanna hide that folder and hide all items of folder. Thanks in advance. Any answer is appreciated. Use a function like this: public static void hideFile(File file){ File dstFile = new File(file.getParent(), "." + file.getName()); file.renameTo(dstFile); } Please note I did not try the code, but it should at least give you the idea of how to do it. CommonGuy If you want to hide folder in Android or any Linux based system just add . as

I want to know how to create a virtual SD card in android. I have one SD card in my emulator, but I want to add one more external (virtual) card to my emulator. Can anybody know how to create one more SD card in my emulator? Use the mksdcard function to make a new card- mksdcard -l mySdCard 1024M mySdCardFile.img then use emulator options to specify which card to use- emulator -sdcard mySdCardFile.img 来源： https://stackoverflow.com/questions/9013679/how-to-create-virtual-sd-card-in-android

I have developed an application which captures a photo when punch in at the time. It's working good on Acer tab(capturing image and saves in sdcard). Now when I run the same application in Samsung Galaxy(Android-4.1.1) My app is getting 'Unfortunately app has stopped' when click on punch in. and my code is here goes.. // ClockIn functionality clockin_btn.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { clockin_btn.setEnabled(false); camera.stopPreview(); capturePhoto(0); // showing one error here in log cat previewing = false; clockin_label.setText(String.format