I want to create a directory inside Android external public path("storage/emulated/0/MyImages"
).
The code is running on Android 9. All run-time permissions to writing on external storage are granted.
Tried code like this.
File dir = new File(Environment.getExternalStorageDirectory() + File.separator + "MyImages");
if (!dir.exists) {
dir.mkdirs();
}
The dir
variable has path - "/storage/emulated/0/MyImages"
.
dir.mkdirs()
always returns false
. There is short log from LogCat:
W/System.err: java.io.IOException: No such file or directory
W/System.err: at java.io.UnixFileSystem.createFileExclusively0(Native Method)
W/System.err: at java.io.UnixFileSystem.createFileExclusively(UnixFileSystem.java:281)
W/System.err: at java.io.File.createNewFile(File.java:1008)
First, check permission if yes then call your function else to call showPhoneStatePermission
Add permission in manifest
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
private void showPhoneStatePermission() {
int permissionCheck = ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE);
if (permissionCheck != PackageManager.PERMISSION_GRANTED) {
if (ActivityCompat.shouldShowRequestPermissionRationale(this,Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
showExplanation("Permission Needed", "Rationale", Manifest.permission.WRITE_EXTERNAL_STORAGE, REQUEST_PERMISSION_WRITE_EXTERNAL_STORAGE);
} else {
requestPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE, REQUEST_PERMISSION_WRITE_EXTERNAL_STORAGE);
}
} else {
Toast.makeText(MainActivity.this, "Permission (already) Granted!", Toast.LENGTH_SHORT).show();
}
}