[英]Moving files from R.raw directory to internal storage programmatically
我在R.raw
有很多文件(兩個擴展名.ppn和.pv)。 我正在嘗試將它們移入內部存儲。
我嘗試這樣做:
private static void copyPorcupineConfigFiles(Context context) {
int[] resIds = {R.raw.alexa, R.raw.americano, R.raw.avocado, R.raw.blueberry,
R.raw.bumblebee, R.raw.caterpillar, R.raw.christina, R.raw.dragonfly,
R.raw.flamingo, R.raw.francesca, R.raw.grapefruit, R.raw.grasshopper,
R.raw.iguana, R.raw.picovoice, R.raw.pineapple, R.raw.porcupine,
R.raw.raspberry, R.raw.terminator, R.raw.vancouver, R.raw.params};
Resources resources = context.getResources();
for (int resId : resIds) {
String filename = resources.getResourceEntryName(resId);
String fileExtension = resId == R.raw.params ? ".pv" : ".ppn";
InputStream is = null;
OutputStream os = null;
try {
is = new BufferedInputStream(resources.openRawResource(resId),
256);
os = new BufferedOutputStream(context.openFileOutput(filename + fileExtension,
Context.MODE_PRIVATE), 256);
int r;
while ((r = is.read()) != -1) {
os.write(r);
}
os.flush();
} catch (IOException e) {
showErrorToast(context);
} finally {
try {
if (is != null) {
is.close();
}
if (os != null) {
os.close();
}
} catch (IOException e) {
showErrorToast(context);
}
}
}
}
它應該保存在data/0/com.package.name
當我做:
String keywordFilePath = new File(this.getFilesDir(), ".ppn")
.getAbsolutePath();
String modelFilePath = new File(this.getFilesDir(), "params.pv").getAbsolutePath();
它給了我路徑:
/data/user/0/com.package.name/files/alexa.ppn
但是,當我使用文件管理器或嘗試以編程方式檢索文件時,它不存在。
您的文件位於data/data/packagename/files/
目錄中,但對用戶不可見。 如果要檢查該文件是否在路徑中,則
1.您可以從該目錄讀取文件
FileOutputStream fileout=openFileOutput("sample.txt", MODE_PRIVATE);
OutputStreamWriter outputWriter=new OutputStreamWriter(fileout);
InputStream inputStream = this.getResources().openRawResource(R.raw.sample);
BufferedReader r = new BufferedReader(new InputStreamReader(inputStream));
StringBuilder total = new StringBuilder();
String line;
while ((line = r.readLine()) != null) {
total.append(line).append('\n');
}
outputWriter.write(total.toString());
outputWriter.close();
System.out.println("file copied");
//code to read the file contents
FileInputStream fis = openFileInput("sample.txt");
InputStreamReader isr = new InputStreamReader(fis);
BufferedReader bufferedReader = new BufferedReader(isr);
StringBuilder sb = new StringBuilder();
String line1;
while ((line1 = bufferedReader.readLine()) != null) {
sb.append(line1);
}
System.out.println("contents:"+sb.toString());
轉到adb shell
並輸入$ cd /data/data/packagename
$ cp data/data/packagename/files/sample.txt /storage/emulated/0/
,您將在/storage/emulated/0/ directory
獲取文件。如果要查看該文件,請在以下路徑中使用您的代碼,但您的文件將對用戶公開
File file=new File(Environment.getExternalStorageDirectory(),"sample.txt");
有關詳細信息,請參閱此鏈接
希望對你有幫助
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