feat(message): Custom width for Banner(LP-4382).

Author: Enuviel

AndroidSDK/src/com/leanplum/messagetemplates/BaseMessageDialog.java

@@ -243,10 +243,25 @@ private RelativeLayout createContainerView(Activity context, boolean fullscreen)
           LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
     } else if (isHtml) {
       int height = SizeUtil.dpToPx(context, htmlOptions.getHtmlHeight());
-      layoutParams = new RelativeLayout.LayoutParams(
-          LayoutParams.MATCH_PARENT, height);
+      String widthType = htmlOptions.getHtmlWidthType();
+      if (TextUtils.isEmpty(widthType)) {
+        layoutParams = new RelativeLayout.LayoutParams(
+            LayoutParams.MATCH_PARENT, height);
+      } else {
+        int width = htmlOptions.getHtmlWidth();
+        if ("%".equals(widthType)) {
+          Display display = context.getWindowManager().getDefaultDisplay();
+          Point size = new Point();
+          display.getSize(size);
+          width = size.x * width / 100;
+        } else {
+          width = SizeUtil.dpToPx(context, width);
+        }
+        layoutParams = new RelativeLayout.LayoutParams(
+            width, height);
+      }
+      layoutParams.addRule(RelativeLayout.CENTER_HORIZONTAL, RelativeLayout.TRUE);
     } else {
-
       // Make sure the dialog fits on screen.
       Display display = context.getWindowManager().getDefaultDisplay();
       Point size = new Point();
@@ -268,8 +283,10 @@ private RelativeLayout createContainerView(Activity context, boolean fullscreen)
 
       layoutParams = new RelativeLayout.LayoutParams(width, height);
       layoutParams.addRule(RelativeLayout.CENTER_IN_PARENT, RelativeLayout.TRUE);
+
     }
 
+
     view.setLayoutParams(layoutParams);
 
     ShapeDrawable footerBackground = new ShapeDrawable();

AndroidSDK/src/com/leanplum/messagetemplates/HTMLOptions.java

@@ -52,6 +52,8 @@ class HTMLOptions {
   private ActionContext actionContext;
   private String htmlAlign;
   private int htmlHeight;
+  private int htmlWidth;
+  private String htmlWidthType;
 
   HTMLOptions(ActionContext context) {
     this.setActionContext(context);
@@ -63,6 +65,7 @@ class HTMLOptions {
     this.setTrackActionUrl(context.stringNamed(MessageTemplates.Args.TRACK_ACTION_URL));
     this.setHtmlAlign(context.stringNamed(MessageTemplates.Args.HTML_ALIGN));
     this.setHtmlHeight(context.numberNamed(MessageTemplates.Args.HTML_HEIGHT).intValue());
+    this.setHtmlWidth(context.stringNamed(MessageTemplates.Args.HTML_WIDTH));
   }
 
   /**
@@ -193,6 +196,27 @@ int getHtmlHeight() {
     return htmlHeight;
   }
 
+  int getHtmlWidth() {
+    return htmlWidth;
+  }
+
+  String getHtmlWidthType() {
+    return htmlWidthType;
+  }
+
+  private void setHtmlWidth(String htmlWidth) {
+    if (TextUtils.isEmpty(htmlWidth)) {
+      return;
+    }
+    if (htmlWidth.contains("px")) {
+      this.htmlWidth = Integer.parseInt(htmlWidth.split("px")[0]);
+      this.htmlWidthType = "px";
+    } else if (htmlWidth.contains("%")) {
+      this.htmlWidth = Integer.parseInt(htmlWidth.split("%")[0]);
+      this.htmlWidthType = "%";
+    }
+  }
+
   private void setHtmlHeight(int htmlHeight) {
     this.htmlHeight = htmlHeight;
   }

AndroidSDK/src/com/leanplum/messagetemplates/MessageTemplates.java

@@ -55,6 +55,7 @@ static class Args {
     static final String BACKGROUND_COLOR = "Background color";
     static final String LAYOUT_WIDTH = "Layout.Width";
     static final String LAYOUT_HEIGHT = "Layout.Height";
+    static final String HTML_WIDTH = "HTML Width";
     static final String HTML_HEIGHT = "HTML Height";
     static final String HTML_ALIGN = "HTML Align";
     static final String HTML_ALIGN_TOP = "Top";