sd-card

问题 I'm trying to read an image from my SD Card and I'm not sure if I'm doing it right or not. Need some help please This is my code for reading it: String imageInSD = "/sdcard/Hanud/" + c.getString(1) + ".PNG"; Bitmap bitmap = BitmapFactory.decodeFile(imageInSD); ImageView myImageView = (ImageView)findViewById(R.id.imageview); myImageView.setImageBitmap(bitmap); And this is my main file: <?xml version="1.0" encoding="utf-8"?> <WebView xmlns:android="http://schemas.android.com/apk/res/android"

问题 My Android application attempts to read the physical sectors of the SD card by accessing the actual device (in my case, /dev/block/vold/179:1). (this is on a rooted phone, of course) I'm able to open the device as a FileInputStream , and read data from it. However, I can't seem to read it past the 2GB mark (my memory card is 16GB). Is this because Android doesn't support files greater than 2GB? If that's the case, why do functions like position() and skip() accept long arguments?? Does anyone

问题 I have two applications I'm loading on a BlackBerry, one is a native application, the other is a PhoneGap / Cordova based application. These two applications share a settings file: file:///store/home/user/myfile.txt To access this file via Cordova, I call: fileSystem.root.getFile("home/user/myfile.txt", null, gotFileEntry, fail); However, on some devices fileSystem.root returns the SDCard directory, not the internal memory where the file is stored, so I get a FileNotFound error. I've tried

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 7 years ago . I need to create an SD Card image file for an Android emulator that I am running. Given that I am a beginner at Android development, a complete step-by-step tutorial would be awesome. 回答1: There is a command line

问题 I installed my Android application on the sdcard adding the manifest directive: android:installLocation=preferExternal But I can't locate my application on the sdcard if I browse its content with ES File Explorer. Any idea? 回答1: Adding android:installLocation=preferExternal does not gurantee it will end up on the external storage. From Google developer guide: If you declare "preferExternal", you request that your application be installed on the external storage, but the system does not

问题 I have an Arduino with a Seeedstudio sd card shield v4.0 with a prototpye shield above that, and on that is a TMP36 temperature sensor and a red and two green LEDs, the red to show that it is "Ready" to log data, the first green to show that it is currently "logging data" and the last LED to show that the data was "Saved" to the SD card, which it dosent, at the beggining of the file, however, it creates the line "Testing 1, 2, 3..." in a txt file called TEST. in that same file there should be

问题 I am working on a app that can connect to a USB SD card reader. The problem is the USB path is not the same for all the phones. I know that in Samsung phones the USB path is "/storage/UsbDriveA/" My question is how can I find the USB mount path for all phone devices? thank you 回答1: private String getAllStoragePath() { String finalPath = ""; try { Runtime runtime = Runtime.getRuntime(); Process process = runtime.exec("mount"); InputStream inputStream = process.getInputStream();

问题 my question is I need to use files from my external slot sdcard, please dont suggest me to use Environment.getExternalStorageDirectory() - it is for internal storage I wanted to created files in external storage 回答1: I don't think its possible. When I was working on my own app I encountered the same problem if there is internal writable memory. Searched for days trying to find out how how to get the actual external SD card but no luck. I thinks its because the way android uses storage, the

问题 I have to store data text to SD Card. This is my code : try { File myFile = new File(Environment.getExternalStorageDirectory()+"/mnt/sdcard/mysdfile.txt"); myFile.createNewFile(); FileOutputStream fOut = new FileOutputStream(myFile); OutputStreamWriter myOutWriter = new OutputStreamWriter(fOut); myOutWriter.append(txtData.getText()); myOutWriter.close(); fOut.close(); Toast.makeText(getBaseContext(), "Done writing SD 'mysdfile.txt'", Toast.LENGTH_SHORT).show(); } catch (Exception e) { Toast

问题 From My android Application want to Capture a Image ,With a Text Field. Text fields Data need to Save In Local Sqlite Database(Like TodoItem Table) ,Image will Save in Sdcard With Offline. When Internet Comes Image Need to Sync in Azure Blob Storage , Text data need to Sync in Azure Todoitem Server Table. I tried Below Links, for Offline Data Sync is Working. But Offline Image Upload to Azure not able to find Any code or Link . Please help me to Find the solution Link I tried for Image Upload