add setTextSize

.gitignore

@@ -4,3 +4,5 @@ android/build
 build
 node_modules
 rn-cli.config.js
+.DS_Store
+

Tab.js

@@ -18,6 +18,8 @@ class Tab extends Component {
     name: PropTypes.string,
     onTabSelected: PropTypes.func,
     textColor: PropTypes.string,
+    textSize: PropTypes.number,
+    textMargin: PropTypes.number,
   };
 
   onTabSelected = (e) => {

android/src/main/java/com/xebia/reactnative/ReactTabStub.java

@@ -12,6 +12,7 @@
 import android.widget.FrameLayout;
 import android.widget.ImageView;
 import android.widget.TextView;
+import android.widget.LinearLayout;
 import com.facebook.stetho.common.StringUtil;
 
 public class ReactTabStub extends ViewGroup {
@@ -38,6 +39,8 @@ protected void onLayout(boolean changed, int l, int t, int r, int b) {
   private String iconUri;
   private int iconSize;
   private int textColor;
+  private int textSize;
+  private int textMargin;
 
   public void attachCustomTabView(Tab tab) {
     Log.d(TAG, "attachCustomTabView");
@@ -58,6 +61,12 @@ public void attachCustomTabView(Tab tab) {
       if (textColor != 0) {
         textColorChanged();
       }
+      if (textSize != 0) {
+        textSizeChanged();
+      }
+      if (textMargin != 0) {
+        textMarginChanged();
+      }
       if (iconUri != null) {
         iconUriChanged();
       } else if (iconResId != null) {
@@ -101,6 +110,16 @@ public void setTextColor(int textColor) {
     textColorChanged();
   }
 
+  public void setTextSize(int textSize) {
+    this.textSize = textSize;
+    textSizeChanged();
+  }
+
+  public void setTextMargin(int textMargin) {
+    this.textMargin = textMargin;
+    textMarginChanged();
+  }
+
   public void setCustomView(View customView) {
     this.customView = customView;
     customViewChanged();
@@ -177,6 +196,22 @@ private void textColorChanged() {
     tabText.setTextColor(textColor);
   }
 
+  private void textSizeChanged() {
+    if (tabText == null) return;
+    Log.d(TAG, "textSizeChanged: " + textSize);
+
+    tabText.setTextSize(textSize);
+  }
+
+  private void textMarginChanged() {
+    if (tabText == null) return;
+    Log.d(TAG, "textMarginChanged: " + textMargin);
+
+    LinearLayout.LayoutParams margin = new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
+    margin.setMargins(0, textMargin, 0, 0);
+    tabText.setLayoutParams(margin);
+  }
+
   public void accessibilityLabelChanged() {
     if (customView == null || customView.getParent() == null) return;
     CharSequence contentDescription = getContentDescription();

android/src/main/java/com/xebia/reactnative/TabManager.java

@@ -64,6 +64,16 @@ public void setTextColor(ReactTabStub view, int textColor) {
     view.setTextColor(textColor);
   }
 
+  @ReactProp(name = "textSize")
+  public void setTextSize(ReactTabStub view, int textSize) {
+    view.setTextSize(textSize);
+  }
+
+  @ReactProp(name = "textMargin")
+  public void setTextMargin(ReactTabStub view, int textMargin) {
+    view.setTextMargin(textMargin);
+  }
+
   @Override
   public void setAccessibilityLabel(ReactTabStub view, String accessibilityLabel) {
     view.setAccessibilityLabel(accessibilityLabel);