Add option to set gravity for content box components .

library/src/main/java/uk/co/deanwild/materialshowcaseview/MaterialShowcaseSequence.java

@@ -59,6 +59,9 @@ public MaterialShowcaseSequence addSequenceItem(MaterialShowcaseView sequenceIte
         }
 
         mShowcaseQueue.add(sequenceItem);
+        if (mConfig != null) {
+            sequenceItem.setConfig(mConfig);
+        }
         return this;
     }
 

library/src/main/java/uk/co/deanwild/materialshowcaseview/MaterialShowcaseView.java

@@ -23,6 +23,7 @@
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
 import android.widget.FrameLayout;
+import android.widget.LinearLayout;
 import android.widget.TextView;
 
 import java.util.ArrayList;
@@ -492,6 +493,26 @@ private void setDismissTextColor(int textColour) {
         }
     }
 
+    private void setDismissTextGravity(int dismissTextGravity){
+        if (mDismissButton != null) {
+            LinearLayout.LayoutParams layoutParams = (LinearLayout.LayoutParams) this.mDismissButton.getLayoutParams();
+            layoutParams.gravity = dismissTextGravity;
+            this.mDismissButton.setLayoutParams(layoutParams);
+        }
+    }
+
+    private void setContentTextGravity(int contentTextGravity){
+        if(mContentTextView != null ) {
+            this.mContentTextView.setGravity(contentTextGravity);
+        }
+    }
+
+    private void setTitleTextGravity(int titleTextGravity){
+        if(mTitleTextView != null ) {
+            this.mTitleTextView.setGravity(titleTextGravity);
+        }
+    }
+
     private void setShapePadding(int padding) {
         mShapePadding = padding;
     }
@@ -749,6 +770,22 @@ public Builder setTitleText(CharSequence text) {
         }
 
 
+        private Builder setDismissTextGravity(int dismissTextGravity){
+            showcaseView.setDismissTextGravity(dismissTextGravity);
+            return this ;
+        }
+
+        private Builder setContentTextGravity(int mGravity){
+            showcaseView.setContentTextGravity(mGravity);
+            return this ;
+        }
+
+        private Builder setTitleTextGravity(int mGravity){
+            showcaseView.setTitleTextGravity(mGravity);
+            return this ;
+        }
+
+
         /**
          * Tooltip mode config options
          *

library/src/main/java/uk/co/deanwild/materialshowcaseview/ShowcaseConfig.java

@@ -1,22 +1,33 @@
 package uk.co.deanwild.materialshowcaseview;
 
 import android.graphics.Color;
+
+import android.view.Gravity;
 import android.graphics.Typeface;
 
+
 import uk.co.deanwild.materialshowcaseview.shape.CircleShape;
 import uk.co.deanwild.materialshowcaseview.shape.Shape;
 
 
 public class ShowcaseConfig {
 
     public static final String DEFAULT_MASK_COLOUR = "#dd335075";
+    public static final long DEFAULT_FADE_TIME = 300;
+    public static final long DEFAULT_DELAY = 0;
+    public static final Shape DEFAULT_SHAPE = new CircleShape();
+    public static final int DEFAULT_SHAPE_PADDING = 10;
+    public static final int DEFAULT_TEXT_GRAVITY = Gravity.LEFT;
 
     private long mDelay = -1;
     private int mMaskColour;
     private Typeface mDismissTextStyle;
 
     private int mContentTextColor;
     private int mDismissTextColor;
+    private int dismissTextGravity = DEFAULT_TEXT_GRAVITY ;
+    private int titleTextGravity = DEFAULT_TEXT_GRAVITY ;
+    private int contentTextGravity = DEFAULT_TEXT_GRAVITY ;
     private long mFadeDuration = -1;
     private Shape mShape = null;
     private int mShapePadding = -1;
@@ -99,4 +110,28 @@ public Boolean getRenderOverNavigationBar() {
     public void setRenderOverNavigationBar(boolean renderOverNav) {
         this.renderOverNav = renderOverNav;
     }
+
+    public void setDismissTextGravity(int dismissTextGravity) {
+        this.dismissTextGravity = dismissTextGravity;
+    }
+
+    public void setTitleTextGravity(int titleTextGravity) {
+        this.titleTextGravity = titleTextGravity;
+    }
+
+    public void setContentTextGravity(int contentTextGravity) {
+        this.contentTextGravity = contentTextGravity;
+    }
+
+    public int getDismissTextGravity() {
+        return dismissTextGravity;
+    }
+
+    public int getTitleTextGravity() {
+        return titleTextGravity;
+    }
+
+    public int getContentTextGravity() {
+        return contentTextGravity;
+    }
 }

sample/src/main/java/uk/co/deanwild/materialshowcaseviewsample/SequenceExample.java

@@ -60,7 +60,10 @@ private void presentShowcaseSequence() {
 
         ShowcaseConfig config = new ShowcaseConfig();
         config.setDelay(500); // half second between each showcase view
-
+        config.setTitleTextGravity(Gravity.CENTER);
+        config.setDismissTextGravity(Gravity.CENTER);
+        config.setContentTextGravity(Gravity.CENTER);
+
         MaterialShowcaseSequence sequence = new MaterialShowcaseSequence(this, SHOWCASE_ID);
 
         sequence.setOnItemShownListener(new MaterialShowcaseSequence.OnSequenceItemShownListener() {