仅在移动设备上禁用文本选择和图像下载的最佳方法

body {
    -webkit-user-select: none; /* Safari */
    -moz-user-select: none; /* Firefox */
    -ms-user-select: none; /* IE/Edge */
    user-select: none; /* Standard syntax */
}

Content-Disposition: attachment; filename="none.jpg"

<meta name="content-disposition" content="attachment; filename=none.jpg">

<TextView
    android:id="@+id/textView"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="This is some text"
    android:textIsSelectable="false" />

ImageView imageView = findViewById(R.id.imageView);
imageView.setDrawingCacheEnabled(false);

override func viewDidLoad() {
    super.viewDidLoad()
    let textView = UITextView()
    textView.isSelectable = false
}

imageView.isUserInteractionEnabled = false