Getting the number of fragments in the stack

closed #6

Author: johnkil

.travis.yml

@@ -8,7 +8,7 @@ android:
     - tools
 
     - android-25
-    - build-tools-25.0.2
+    - build-tools-25.0.3
     - extra-google-m2repository
     - extra-android-m2repository
 

CHANGELOG.md

@@ -2,6 +2,13 @@ Change Log
 ==========
 
 
+## Version 1.2.1
+
+_2016-07-11_
+
+Implemented the ability to get the number of fragments in the stack (`backStackSize()`).
+
+
 ## Version 1.2.0
 
 _2016-07-11_

README.md

@@ -38,7 +38,7 @@ Add the dependency
 
 ```groovy
 dependencies {
-    compile 'com.github.jetradarmobile:multibackstack:1.2.0'
+    compile 'com.github.jetradarmobile:multibackstack:1.2.1'
 }
 ```
 

build.gradle

@@ -3,7 +3,7 @@ buildscript {
     jcenter()
   }
   dependencies {
-    classpath 'com.android.tools.build:gradle:2.3.0-beta1'
+    classpath 'com.android.tools.build:gradle:2.3.1'
   }
 }
 
@@ -15,11 +15,11 @@ allprojects {
 
 ext {
   compileSdkVersion = 25
-  buildToolsVersion = '25.0.2'
+  buildToolsVersion = '25.0.3'
 
-  supportDesign = 'com.android.support:design:25.0.1'
-  supportAppCompat = 'com.android.support:appcompat-v7:25.0.1'
-  bottomNavigationBar = 'com.ashokvarma.android:bottom-navigation-bar:1.3.0'
+  supportDesign = 'com.android.support:design:25.3.1'
+  supportAppCompat = 'com.android.support:appcompat-v7:25.3.1'
+  bottomNavigationBar = 'com.ashokvarma.android:bottom-navigation-bar:1.4.1'
 }
 
 task clean(type: Delete) {

multibackstack/src/main/java/com/jetradar/multibackstack/BackStack.java

@@ -20,7 +20,6 @@
 import android.os.Parcelable;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
-
 import java.util.Stack;
 
 public class BackStack implements Parcelable {
@@ -44,6 +43,10 @@ public boolean empty() {
     return entriesStack.empty();
   }
 
+  public int size() {
+    return entriesStack.size();
+  }
+
   @Override
   public int describeContents() {
     return 0;

multibackstack/src/main/java/com/jetradar/multibackstack/BackStackActivity.java

@@ -94,4 +94,11 @@ protected boolean resetBackStackToRoot(int hostId) {
   protected boolean clearBackStack(int hostId) {
     return backStackManager.clear(hostId);
   }
+
+  /**
+   * @return the number of fragments in back stack.
+   */
+  protected int backStackSize(int hostId) {
+    return backStackManager.backStackSize(hostId);
+  }
 }

multibackstack/src/main/java/com/jetradar/multibackstack/BackStackManager.java

@@ -78,6 +78,11 @@ public boolean clear(int hostId) {
     return true;
   }
 
+  public int backStackSize(int hostId) {
+    BackStack backStack = getBackStack(hostId);
+    return backStack!= null ? backStack.size() : 0;
+  }
+
   public boolean resetToRoot(int hostId) {
     BackStack backStack = getBackStack(hostId);
     if (backStack == null) {