android-sdcard

问题 Android 6.0 has changed its way to manage sdcard-mounting and that doesn't let show right. Until 5.x we could access to the SDCard Contents via DDMS Perspective (Eclipse) under the hierarchy /mnt/shell/... and now according Documentation under /sdcard/ I can't see any content of this directory under DDMS but in the PC or other Apps (like Astro). What should I set in Eclipse(DDMS) in order to be able to see that content? 回答1: Starting Android 6.0, third-party apps have no ability to see SDCard

问题 Actually i need to get all the frames from videos but I use to get first frame repeatedly then specific time frames while using Mediametadatareteriver,thumbnail,timestamp to get frames. I'd tried a lot for fixing by changing all GetFrameAtTime(options) but remains the same. my Duration of video is 127040(2:07sec) here i Splited as 32 frames and save frames in SDCard can view all 32 but repeatedly same frames for all 32 frames. I should get these without the help of FFMPEG and xuggler. Is

问题 I have a App that uses 3 kinds of storage: The internal storage, a external SD and if Version >= 6.0 a SD which is formatted as internal. I get the external SD path by using getExternalFilesDirs() , the internal Storage by getFilesDir() and the adopted (=internal) SD path by Environment.getExternalStorageDirectory() . Now, if I want to get the free Space, something like this: StatFs statFs = new StatFs(storageDir); long blocks = statFs.getAvailableBlocks(); return Formatter.formatFileSize

问题 I am trying to share a screenshot of the application using the following code: View content = findViewById(R.id.layoutHome); content.setDrawingCacheEnabled(true); Bitmap bitmap = content.getDrawingCache(); File sdCardDirectory = Environment.getExternalStorageDirectory(); File image = new File(sdCardDirectory,"temp.png"); // Encode the file as a PNG image. FileOutputStream outStream; try { outStream = new FileOutputStream(image); bitmap.compress(Bitmap.CompressFormat.PNG, 100, outStream);

问题 This question already has answers here : Android file delete leaves empty placeholder in Gallery (8 answers) Closed 5 years ago . File file = new File(imagePath); boolean deleted = file.delete(); using this code image delete on current screen But it not deleted from SDCard. so Please Anyone who know Answer please Post it. 回答1: file.delete(); Its not delete File or Images. 来源： https://stackoverflow.com/questions/4469744/how-to-delete-image-from-sdcard-in-android

问题 Hello I am deleting some items from SD card. And in lollipop first time i ask for permission and user grant permission, but now i don't want to ask every time for permission. Its very irritating and many of guys they afraid from this behavior. How can i save my permission i.e. next time i don't need to pass that Intent again and again Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT_TREE); Thank you 回答1: I give you some code to example. Remember that u need check permission on Android 6

问题 I am trying to do this task from the past 12 hour, but still am not able to do this...Now I have an sqlite database file named "testDatabase.db" into the sd card as a backup file..Now I want to open the database into the spreadsheet format so that the end user can access the database and store this spreadsheet database into his system and then further for printout and for other purpose.. I studied some of the tutorials in which It was written that u can firstly convert ur database file into

问题 In my android application I want to fetch song from SD card but I am not able to get the path of that particular file.I am using android api level 7 which doesn't support following method. Environment.getExternalStoragePublicDirectory (Environment.DIRECTORY_MUSIC); I have also tried following code : path = Environment.getExternalStorageDirectory(); but I don't know how to specify path of music file.Please suggest some solution.Thanx. 回答1: Get path and song Name from SD Card. You can find the

问题 I'm building an application which download images from the web and store them into my SDCard, in order to make them invisible in the gallery I put this line to generate a .nomedia file: FileWriter f = new FileWriter("/sdcard/Android/data/CopyImage/cache/.nomedia"); the application can successfully download the image and make the .nodata file on the same folder, but the thing is, the image is still appear on the gallery. How could that be? Can anybody provide me a solution? Thank you very much

问题 Through my Android program I wrote a file like this: String file = Environment.getExternalStorageDirectory().getAbsolutePath() + "/Files/hello.txt"; BufferedWriter writer = new BufferedWriter(new FileWriter(file)); writer.write(str+"\n"); \\yeah string has a value there writer.close(); Now when I go to Android's "Astro" File browser, I can see the file hello.txt in /mnt/sdcard/Files but when I mount the sdcard in Windows, I can only see 4 other files which were there in that folder but not