diff --git a/android-pdf-viewer/build.gradle b/android-pdf-viewer/build.gradle
index 58878110..5ccef011 100644
--- a/android-pdf-viewer/build.gradle
+++ b/android-pdf-viewer/build.gradle
@@ -24,6 +24,10 @@ ext {
     allLicenses = ["Apache-2.0"]
 }
 
+repositories {
+    jcenter()
+}
+
 android {
     compileSdkVersion 23
     buildToolsVersion '23.0.2'
@@ -39,7 +43,4 @@ android {
 
 dependencies {
     compile 'com.github.barteksc:pdfium-android:1.4.0'
-}
-
-apply from: 'https://raw.githubusercontent.com/nuuneoi/JCenter/master/installv1.gradle'
-apply from: 'https://raw.githubusercontent.com/nuuneoi/JCenter/master/bintrayv1.gradle'
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/android-pdf-viewer/src/main/java/com/github/barteksc/pdfviewer/DragPinchManager.java b/android-pdf-viewer/src/main/java/com/github/barteksc/pdfviewer/DragPinchManager.java
index 91d13e75..bd16a281 100644
--- a/android-pdf-viewer/src/main/java/com/github/barteksc/pdfviewer/DragPinchManager.java
+++ b/android-pdf-viewer/src/main/java/com/github/barteksc/pdfviewer/DragPinchManager.java
@@ -93,9 +93,7 @@ public boolean onSingleTapConfirmed(MotionEvent e) {
 
     @Override
     public boolean onDoubleTap(MotionEvent e) {
-        if (pdfView.getZoom() < pdfView.getMidZoom()) {
-            pdfView.zoomWithAnimation(e.getX(), e.getY(), pdfView.getMidZoom());
-        } else if (pdfView.getZoom() < pdfView.getMaxZoom()) {
+        if (pdfView.getZoom() < pdfView.getMaxZoom()) {
             pdfView.zoomWithAnimation(e.getX(), e.getY(), pdfView.getMaxZoom());
         } else {
             pdfView.resetZoomWithAnimation();
diff --git a/android-pdf-viewer/src/main/java/com/github/barteksc/pdfviewer/PDFView.java b/android-pdf-viewer/src/main/java/com/github/barteksc/pdfviewer/PDFView.java
index 00c84f4b..dd86bc18 100644
--- a/android-pdf-viewer/src/main/java/com/github/barteksc/pdfviewer/PDFView.java
+++ b/android-pdf-viewer/src/main/java/com/github/barteksc/pdfviewer/PDFView.java
@@ -28,7 +28,6 @@
 import android.os.AsyncTask;
 import android.util.AttributeSet;
 import android.util.Log;
-import android.view.View;
 import android.widget.RelativeLayout;
 
 import com.github.barteksc.pdfviewer.exception.FileNotFoundException;
@@ -465,7 +464,7 @@ public void recycle() {
         scrollHandle = null;
         isScrollHandleInit = false;
         currentXOffset = currentYOffset = 0;
-        zoom = 1f;
+        zoom = 2f;
         recycled = true;
         state = State.DEFAULT;
     }
@@ -529,7 +528,7 @@ protected void onDraw(Canvas canvas) {
         // abstraction of the screen position when rendering the parts.
 
         // Draws background
-        canvas.drawColor(Color.WHITE);
+        canvas.drawColor(Color.BLACK);
 
         if (recycled) {
             return;
@@ -1129,6 +1128,8 @@ public Configurator fromFile(File file) {
         return new Configurator(file.getAbsolutePath(), false);
     }
 
+
+
     /**
      * Use Uri as the pdf source, for use with content provider
      */
diff --git a/android-pdf-viewer/src/main/java/com/github/barteksc/pdfviewer/util/Constants.java b/android-pdf-viewer/src/main/java/com/github/barteksc/pdfviewer/util/Constants.java
index 7a148fb6..ea08d697 100644
--- a/android-pdf-viewer/src/main/java/com/github/barteksc/pdfviewer/util/Constants.java
+++ b/android-pdf-viewer/src/main/java/com/github/barteksc/pdfviewer/util/Constants.java
@@ -47,7 +47,7 @@ interface Pinch {
 
         float MAXIMUM_ZOOM = 10;
 
-        float MINIMUM_ZOOM = 1;
+        float MINIMUM_ZOOM = 2;
 
     }
 
diff --git a/build.gradle b/build.gradle
index ef5c179e..f9c411f6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.3'
+        classpath 'com.android.tools.build:gradle:2.2.1'
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.6'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:1.4.1'
     }