internal-storage

Android: how to write a file to internal storage

谁说胖子不能爱 提交于 2019-12-08 14:58:45
问题 I am developing a simple android application and I need to write a text file in internal storage device. I know there are a lot of questions (and answers) about this matter but I really cannot understand what I am doing in the wrong way. This is the piece of code I use in my activity in order to write the file: public void writeAFile(){ String fileName = "myFile.txt"; String textToWrite = "This is some text!"; FileOutputStream outputStream; try { outputStream = openFileOutput(fileName ,

absolute path to directory in the internal storage in android?

橙三吉。 提交于 2019-12-08 02:27:58
问题 I want to keep my app required files inside a directory under internal storage. in the previous stage i used externalStorageDirectory to store my data. now i am using the below code to refer my external directory Environment.getExternalStorageDirectory()+"/mydirectory"; I need an equivalant code to refer my directory in the internal directory, can anybody help me...thanks, Solution: getFilesDir()+"/mydirectory"; thanks for all of your suggestion and help. 回答1: Use getFilesDir() for that. From

file path return null always in lollipop android

懵懂的女人 提交于 2019-12-06 21:56:24
问题 this is my code when i'm getting image from internal storage (gallery). In lollipop file path return always null. if (requestCode == PICK_IMAGE) { if(resultCode == RESULT_OK){ //image successfully picked // launching upload activity Uri selectedImage = data.getData(); String[] filePathColumn = { MediaStore.Images.Media.DATA }; Cursor cursor = getContentResolver().query(selectedImage,filePathColumn, null, null, null); cursor.moveToFirst(); columnindex = cursor.getColumnIndex(MediaStore.Images

Are Internal Storage Files Deleted on App Update?

天大地大妈咪最大 提交于 2019-12-06 02:30:00
问题 It is known that: When the user uninstalls your app, the system removes all your app's files from internal storage. Does the same thing happens when the user update the app? Why Am I asking? I have a file in the raw/ folder which I move to the Internal Storage every time my app is run (if it is not already been moved): //On Application onCreate() method: InputStream jsonFile = ctx.getResources().openRawResource(R.raw.data); File file = ctx.getFileStreamPath(Helper.FILE_NAME); if(file.exists()

file path return null always in lollipop android

岁酱吖の 提交于 2019-12-05 03:38:56
this is my code when i'm getting image from internal storage (gallery). In lollipop file path return always null. if (requestCode == PICK_IMAGE) { if(resultCode == RESULT_OK){ //image successfully picked // launching upload activity Uri selectedImage = data.getData(); String[] filePathColumn = { MediaStore.Images.Media.DATA }; Cursor cursor = getContentResolver().query(selectedImage,filePathColumn, null, null, null); cursor.moveToFirst(); columnindex = cursor.getColumnIndex(MediaStore.Images.Media.DATA); file_path = cursor.getString(columnindex); Log.d(getClass().getName(), "file_path"+file

Are Internal Storage Files Deleted on App Update?

回眸只為那壹抹淺笑 提交于 2019-12-04 07:40:36
It is known that: When the user uninstalls your app, the system removes all your app's files from internal storage. Does the same thing happens when the user update the app? Why Am I asking? I have a file in the raw/ folder which I move to the Internal Storage every time my app is run (if it is not already been moved): //On Application onCreate() method: InputStream jsonFile = ctx.getResources().openRawResource(R.raw.data); File file = ctx.getFileStreamPath(Helper.FILE_NAME); if(file.exists()) return; //Exit because the file is already been copied. FileOutputStream fos = ctx.openFileOutput

How to get absolute path of Internal Storage in Android

为君一笑 提交于 2019-12-01 17:33:45
Internal Storage Path Consider the above picture. It shows the folders and file in internal storage. My problem is i am not able to get the absolute path of the internal storage. I Have tried using String path = getFilesDir().getAbsolutePath(); but it is giving me the path of my app storage. My objective is to backup a file from the private storage of my app to the top of internal storage. And i am unable to find a solution on web and neither on stack overflow. Suggest a solution to this problem! Environment.getExternalStorageDirectory(); Return the primary shared/external storage directory.

How to get absolute path of Internal Storage in Android

空扰寡人 提交于 2019-12-01 16:18:39
问题 Internal Storage Path Consider the above picture. It shows the folders and file in internal storage. My problem is i am not able to get the absolute path of the internal storage. I Have tried using String path = getFilesDir().getAbsolutePath(); but it is giving me the path of my app storage. My objective is to backup a file from the private storage of my app to the top of internal storage. And i am unable to find a solution on web and neither on stack overflow. Suggest a solution to this

Android - Copy files from assets to /data/data folder

偶尔善良 提交于 2019-11-29 04:02:25
I need to use some files in my app. They are kept in asset folder. I saw discussions on SO, where the files are being copied from asset folder, to /data/data/ on the internal storage, and then being used. I get the code, but what I do not get is, what is the need to copy the assets to internal storage ? If anybody has experience with this, help ! One reason that just popped up for me is when using existing C/C++ code with NDK that requires a path to a file and you don't want to modify that code. For example, I'm using an existing C library that needs some data files and the only existing

Android 4.4 Virtual Device Internal Storage Will Not Resize

倖福魔咒の 提交于 2019-11-28 03:19:50
When creating a new Android 4.4 Virtual Device using the AVD Manager, I cannot get the internal storage to be anything larger than 200MB. 512MB is the internal storage size I would like to set. I've tried: Setting the internal storage of the device in the AVD Manager to 512MB. In Eclipse project Debug Configurations, under the Target tab, setting Additional Emulator Command Line Options to -partition-size 512. In the Eclipse Preferences, under Android, I set the Default emulator options to -partition-size 512. Editing the config file for my virtual device under (User)/.android/avd/(device).avd