Question (b) Vhat does returning false from onDown callback method do? 2 3 4 @Override public boolean onDown (MotionEvent e) { //some code here!! return false; } i B 1 U X2 X E 3 E = ABC 123 (a) The following piece of code is an excerpt from an activity that implements GestureDetector. OnDouble interface to catch all the double-tap events. However, there is a missing line in the 'on Touch method th the 'onDouble Tap' method from getting invoked. Code the missing line. 1 2 3 4 5 6 private GestureDetectorcompat netector: Coverride protected void onCreate(Bundle savedInstancetate) super.onCreate(savedInstanceState) setContentView(R.layout. Activity main); Detector - new GestureDetectorComat(this, this); Detector.setOnDoubletapuistener(this); 9 10 11 12 13 14 15 16 17 18 Goverride public boolean ontouch(View v, MotionEvent event) { return true; woverridel public boolean onDoubleTap (MotionEvent ) return true; What is the effect of "return false" on the current gesture? un WN 1 public boolean on Touch(View v, MotionEvent event) { 2 int action = event.getActionMasked: 3 //some code here!! 4 return false; 5 } B I U X2 x ABC 9 What is the benefit of instantiating a new WebViewClient to the Web View object as shown at line 2? 1 2 Webview mywebview - findviewById(R.id.webview); mywebview.setwebviewclient(new webviewclient()); mywebview.loadurl(param); ABC Briefly explain the role and data type of param. 1 2 3 WebView myWebView = findViewById(R.id.webview) myWebView.setWebViewclient(new WebViewClient(); myWebview.loadurl(param); EU, ? = = ABC 123