Added functionality to animate increase in mCurrentProgress

demo/src/main/java/com/daimajia/numberprogressbar/example/MainActivity.java

@@ -1,42 +1,26 @@
 package com.daimajia.numberprogressbar.example;
 
 import android.os.Bundle;
-import android.support.v7.app.ActionBarActivity;
+import android.support.v7.app.AppCompatActivity;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.widget.Toast;
 
 import com.daimajia.numberprogressbar.NumberProgressBar;
 import com.daimajia.numberprogressbar.OnProgressBarListener;
 
-import java.util.Timer;
-import java.util.TimerTask;
 
-
-public class MainActivity extends ActionBarActivity implements OnProgressBarListener {
-    private Timer timer;
+public class MainActivity extends AppCompatActivity implements OnProgressBarListener {
 
     private NumberProgressBar bnp;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
-
         bnp = (NumberProgressBar)findViewById(R.id.numberbar1);
         bnp.setOnProgressBarListener(this);
-        timer = new Timer();
-        timer.schedule(new TimerTask() {
-            @Override
-            public void run() {
-                runOnUiThread(new Runnable() {
-                    @Override
-                    public void run() {
-                        bnp.incrementProgressBy(1);
-                    }
-                });
-            }
-        }, 1000, 100);
+        bnp.setProgress(100,true,this);
     }
 
     @Override
@@ -61,7 +45,6 @@ public boolean onOptionsItemSelected(MenuItem item) {
     @Override
     protected void onDestroy() {
         super.onDestroy();
-        timer.cancel();
     }
 
     @Override

gradle/wrapper/gradle-wrapper.properties

@@ -1,4 +1,4 @@
-#Tue Feb 24 10:50:01 CST 2015
+#Tue Jun 21 15:07:22 IST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME

library/src/main/java/com/daimajia/numberprogressbar/NumberProgressBar.java

@@ -1,5 +1,7 @@
 package com.daimajia.numberprogressbar;
 
+import android.app.Activity;
+import android.app.Application;
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
@@ -11,6 +13,9 @@
 import android.util.AttributeSet;
 import android.view.View;
 
+import java.util.Timer;
+import java.util.TimerTask;
+
 import static com.daimajia.numberprogressbar.NumberProgressBar.ProgressTextVisibility.Invisible;
 import static com.daimajia.numberprogressbar.NumberProgressBar.ProgressTextVisibility.Visible;
 
@@ -434,9 +439,50 @@ public void incrementProgressBy(int by) {
     }
 
     public void setProgress(int progress) {
+        setProgress(progress,false,null,0);
+    }
+
+    /**
+     * Sets the NumberProgressBar to the required value, with optional animation
+     * @param progress the progress to be set
+     * @param animate whether change should be incremental (not sudden)
+     * @param activity the calling activity, may be left null in case of no animation
+     */
+    public void setProgress(final int progress, boolean animate, final Activity activity){
+        setProgress(progress,animate,activity,100);
+    }
+
+    /**
+     * Sets the NumberProgressBar to the required value, with optional animation, with the increments at defined periods
+     * @param progress the progress to be set
+     * @param animate whether change should be incremental (not sudden)
+     * @param activity the calling activity, may be left null in case of no animation
+     * @param period amount of time in milliseconds between subsequent increments.
+     */
+    public void setProgress(final int progress, boolean animate, final Activity activity, int period){
         if (progress <= getMax() && progress >= 0) {
-            this.mCurrentProgress = progress;
-            invalidate();
+            if(!animate || progress<mCurrentProgress){
+                this.mCurrentProgress = progress;
+                invalidate();
+            }else{
+                final Timer timer = new Timer();
+                timer.schedule(new TimerTask() {
+                    @Override
+                    public void run() {
+                        activity.runOnUiThread(new Runnable() {
+                            @Override
+                            public void run() {
+                                if(progress>mCurrentProgress)
+                                    incrementProgressBy(1);
+                                else {
+                                    timer.cancel();
+                                    timer.purge();
+                                }
+                            }
+                        });
+                    }
+                }, 0, period);
+            }
         }
     }