Hey. I need to create my component that will be inherited from RelativeLayout. To describe the styles of its elements I want to use layout xml. If I create a button programmatically and add it to a custom component, then it works fine: - I can access the button and programmatically change the text, or color - make the handler

public void init(Context context) { this.context = context; inflate(getContext(), R.layout.native_ad, this); this.adWebView = (WebView) findViewById(R.id.nativeAdWebView); this.adTitle = (TextView) findViewById(R.id.nativeAdTitle); //this.adButton = (Button) findViewById(R.id.nativeAdButton); не работает this.adButton = new Button(context); LayoutParams params = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); params.addRule(RelativeLayout.ALIGN_PARENT_RIGHT); params.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM); this.addView(adButton, params); adWebView.setDrawingCacheEnabled(true); adWebView.getSettings().setJavaScriptEnabled(true); adWebView.buildDrawingCache(); adWebView.setBackgroundColor(Color.BLUE); adWebView.setWebViewClient(new MyWebClient()); }

How can I make it see a button from an xml file? With TextView, everything works fine.

 public class CustomComponent extends RelativeLayout { WebView adWebView; TextView adTitle; Button adButton; Context context; public CustomComponent (Context context) { super(context); this.context = context; init(context); } public CustomComponent (Context context, AttributeSet attrs) { super(context, attrs); this.context = context; init(context); } public CustomComponent (Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); this.context = context; init(context); }

all the elements are written in the hml file itself, but only TextView normally sees and works. A similar problem with WebView, but I think that they have one solution.

xml

 <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content"> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:singleLine="true" android:id="@+id/nativeAdTitle"/> <WebView android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/nativeAdWebView" android:layout_below="@+id/nativeAdTitle" android:layout_alignParentLeft="true" android:layout_alignParentStart="true"> </WebView> <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/nativeAdButton" android:layout_alignParentLeft="true" android:layout_alignParentBottom="true" /> </RelativeLayout>

What is now

  • The problem is not clear. You do not see the button? And show the markup. Maybe your id is wrong? - YurySPb ♦
  • the button is displayed (gray in the picture), but it does not react to the methods (setText, setBackgroundColor, ...) the blue button is created programmatically and the methods work with it. - Andriy Martsinkevych
  • You describe an impossible situation) Try to turn off InstantRun in the studio settings. - YurySPb ♦
  • the button is displayed, only that I am doing the inflate (getContext (), R.layout.native_ad, this); but I can do nothing more with it. it is obtained only for the decor. ps try adding code to the project and see for yourself that it exists but does not respond to calls to it - Andriy Martsinkevych

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