Android Studio images

Hi can i use hard disk files to check if an android app works?


well i have this xml in Android Studio:

<Button
        android:id="@+id/newbutton"
        android:layout_width="200dp"

        android:layout_height="49dp"
        android:layout_marginRight="48dp"
        android:layout_marginTop="216dp"

        android:onClick="Work"

        android:text="Click me"

        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <ImageView
        android:id="@+id/imageview"
        android:layout_width="317dp"


        android:layout_height="173dp"

        android:layout_marginRight="16dp"


        android:layout_marginTop="16dp"
        app:layout_constraintRight_toRightOf="parent"

        app:layout_constraintTop_toTopOf="parent" />

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and this code

 public void Work(View view)
    {


      ImageView imageView = findViewById(R.id.imageview);


      Bitmap bmp = BitmapFactory.decodeFile("C:\\Users\\Roald Gallowey\\Pictures\\data.jpg");

      imageView.setImageBitmap(bmp);









    }

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but every time i start th simulator and the app it doesnt show me my image?

Where am i wrong?