Beiträge von Jens Hasborg

java.nio.file.AccessDeniedException: /storage/9C33-6BBD/DCIM/Camera/20200521_232157.jpg -> /storage/9C33-6BBD/Android/data/com.test.dateiverschieben/files/20200521_232157.jpg
        at sun.nio.fs.UnixCopyFile.move(UnixCopyFile.java:457)
        at sun.nio.fs.UnixFileSystemProvider.move(UnixFileSystemProvider.java:262)
        at java.nio.file.Files.move(Files.java:1395)
        at com.test.dateiverschieben.MainActivity.xmoveFile(MainActivity.java:815)
        at com.test.dateiverschieben.MainActivity.onActivityResult(MainActivity.java:661)
        at android.app.Activity.dispatchActivityResult(Activity.java:8292)
        at android.app.ActivityThread.deliverResults(ActivityThread.java:5136)
        at android.app.ActivityThread.handleSendResult(ActivityThread.java:5184)
        at android.app.servertransaction.ActivityResultItem.execute(ActivityResultItem.java:51)
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2175)
        at android.os.Handler.dispatchMessage(Handler.java:107)
        at android.os.Looper.loop(Looper.java:237)
        at android.app.ActivityThread.main(ActivityThread.java:7857)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1076)

private boolean xmoveFile(String sourcePath, String targetPath) {


        boolean fileMoved = true;


        try {


            Files.move(Paths.get(sourcePath), Paths.get(targetPath), StandardCopyOption.REPLACE_EXISTING);


        } catch (Exception e) {




            fileMoved = false;
            Log.e(TAG,"movefehler",e);


        }


        return fileMoved;
    }

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.test.dateiverschieben">


    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />


    <application
        android:requestLegacyExternalStorage="true"
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />


                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        </application>


</manifest>

//Aufruf


 boolean sdcardleserecht = false;
 boolean sdcardschreibrecht = false;


        if(isReadStorageAllowed()){
            //If permission is already having then showing the toast
            Toast.makeText(getApplicationContext(),"Recht auf Write External Storage bereits erteilt.",Toast.LENGTH_LONG).show();
            //Existing the method with return
            return;
        }else{
            requestStoragePermission();
        }






//Prüfung ob Rechte für Lesen und Schreiben bereits gesetzt


private boolean isReadStorageAllowed() {
        //Getting the permission status
        int result = ContextCompat.checkSelfPermission(this, android.Manifest.permission.WRITE_EXTERNAL_STORAGE);


        //If permission is granted returning true
        if (result == PackageManager.PERMISSION_GRANTED)
            return true;


        //If permission is not granted returning false
        return false;


      }








//Requesting permission


    private void requestStoragePermission(){


        if (ActivityCompat.shouldShowRequestPermissionRationale(this, android.Manifest.permission.WRITE_EXTERNAL_STORAGE)){
            //If the user has denied the permission previously your code will come to this block
            //Here you can explain why you need this permission
            //Explain here why you need this permission
        }


        //And finally ask for the permission
        ActivityCompat.requestPermissions(this,new String[]{android.Manifest.permission.WRITE_EXTERNAL_STORAGE},12345);
    }








    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);




            switch (requestCode) {
                case 12345: // 12345 oben als storage angegeben
                    // If request is cancelled, the result arrays are empty.
                    if (grantResults.length > 0 &&
                            grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                        // Permission is granted. Continue the action or workflow
                        // in your app.
                        Toast.makeText(getApplicationContext(), "sdcard schreibenr wurde erlaubt", Toast.LENGTH_LONG).show();
                    }  else {


                        Toast.makeText(getApplicationContext(), "sdcard schreibenr wurde NICHT erlaubt", Toast.LENGTH_LONG).show();
                        // Explain to the user that the feature is unavailable because
                        // the features requires a permission that the user has denied.
                        // At the same time, respect the user's decision. Don't link to
                        // system settings in an effort to convince the user to change
                        // their decision.
                    }
                    return;
            }
            // Other 'case' lines to check for other
            // permissions this app might request.
    }