Enable Fullscreen for Youtube videos in WebView Sketchware

1) Create a New project in Sketchware App.

2) In View area add WebView as webview1.

3) Add more block as full.

4) Copy the below code to more block in add source directly
}

public class CustomWebClient extends WebChromeClient {
private View mCustomView;
private WebChromeClient.CustomViewCallback mCustomViewCallback;
protected FrameLayout frame;

// Initially mOriginalOrientation is set to Landscape
private int mOriginalOrientation = android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
private int mOriginalSystemUiVisibility;

// Constructor for CustomWebClient
public CustomWebClient() {}

public Bitmap getDefaultVideoPoster() {
if (MainActivity.this == null) {
return null; }
return BitmapFactory.decodeResource(MainActivity.this.getApplicationContext().getResources(), 2130837573); }

public void onShowCustomView(View paramView, WebChromeClient.CustomViewCallback viewCallback) {
if (this.mCustomView != null) {
onHideCustomView();
return; }
this.mCustomView = paramView;
this.mOriginalSystemUiVisibility = MainActivity.this.getWindow().getDecorView().getSystemUiVisibility();
// When CustomView is shown screen orientation changes to mOriginalOrientation (Landscape).
MainActivity.this.setRequestedOrientation(this.mOriginalOrientation);
// After that mOriginalOrientation is set to portrait.
this.mOriginalOrientation = android.content.pm.ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
this.mCustomViewCallback = viewCallback; ((FrameLayout)MainActivity.this.getWindow().getDecorView()).addView(this.mCustomView, new FrameLayout.LayoutParams(-1, -1)); MainActivity.this.getWindow().getDecorView().setSystemUiVisibility(3846);
}

public void onHideCustomView() {
((FrameLayout)MainActivity.this.getWindow().getDecorView()).removeView(this.mCustomView);
this.mCustomView = null;
MainActivity.this.getWindow().getDecorView().setSystemUiVisibility(this.mOriginalSystemUiVisibility);
// When CustomView is hidden, screen orientation is set to mOriginalOrientation (portrait).
MainActivity.this.setRequestedOrientation(this.mOriginalOrientation);
// After that mOriginalOrientation is set to landscape.
this.mOriginalOrientation = android.content.pm.ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE; this.mCustomViewCallback.onCustomViewHidden();
this.mCustomViewCallback = null;
}
}

{

5) Then on Create activity event
Copy the below code
webview1.setWebChromeClient(new CustomWebClient());
Then drag the block as shown in the picture.

6) Then on back pressed event
Do as shown in the picture.

7) That's All
Save and run project.