Update ProgressStatusBar.java

Author: BaselHorany

ProgressStatusBar/src/main/java/com/basel/ProgressStatusBar/ProgressStatusBar.java

@@ -203,7 +203,9 @@ public void prepare(boolean isShowPercentage,boolean isWait) {
         if(!isViewAdded) {
             windowManager.addView(mRelativeLayout, parameters);
             isViewAdded = true;
-            pListener.onStart();
+            if(pListener!=null){
+                pListener.onStart();
+            }
         }
         mRelativeLayout.setVisibility(VISIBLE);
         if(isShowPercentage) {
@@ -225,7 +227,9 @@ public void shwoToast(String message, int duration) {
         if(!isViewAdded) {
             windowManager.addView(mRelativeLayout, parameters);
             isViewAdded = true;
-            pListener.onStart();
+            if(pListener!=null){
+                pListener.onStart();
+            }
         }
         mRelativeLayout.setVisibility(VISIBLE);
         ballsHandler = new Handler();
@@ -269,7 +273,9 @@ public void onAnimationUpdate(ValueAnimator animation) {
                     interprogress = (int) (interpolation * (isfake ? 100 : progress));
                     setProgress(interprogress, false, isfake);
                     mTextView.setText("%"+interprogress);
-                    pListener.onUpdate(interprogress);
+                    if(pListener!=null){
+                      pListener.onUpdate(interprogress);
+                    }
                 }
             });
             if (!barProgress.isStarted()) {
@@ -305,7 +311,9 @@ public void remove() {
             isViewAdded = false;
             mRelativeLayout.setVisibility(GONE);
             mTextView.setText("");
-            pListener.onEnd();
+            if(pListener!=null){
+                pListener.onEnd();
+            }
         }
         if(ballsHandler!=null&&ballsRunnable!=null){
             ballsHandler.removeCallbacks(ballsRunnable);