Initial commit

foudations/mogo-utils/src/main/java/com/mogo/utils/ActivityStack.java

@@ -0,0 +1,84 @@
+package com.mogo.utils;
+
+import android.app.Activity;
+
+import java.util.ArrayDeque;
+import java.util.Deque;
+import java.util.Iterator;
+
+public class ActivityStack {
+    private static final Deque< Activity > ACTIVITY_STACK = new ArrayDeque<>();
+
+    public static synchronized void addActivity( Activity activity) {
+        if(activity != null){
+            ACTIVITY_STACK.offer(activity);
+        }
+    }
+
+    public static synchronized Activity currentActivity() {
+        return ACTIVITY_STACK.peekLast();
+    }
+
+    public static synchronized void finishCurrentActivity() {
+        Activity activity = ACTIVITY_STACK.pop();
+        if (!activity.isFinishing()) {
+            activity.finish();
+        }
+    }
+
+    public static synchronized void finishActivity( Activity activity) {
+        ACTIVITY_STACK.remove(activity);
+        if (!activity.isFinishing()) {
+            activity.finish();
+        }
+    }
+
+    public static synchronized void finishActivity( Class<? extends Activity > cls) {
+        Iterator< Activity > iterator = ACTIVITY_STACK.iterator();
+        while (iterator.hasNext()) {
+            Activity next = iterator.next();
+            if(next.getClass().equals(cls)){
+                iterator.remove();
+                if(!next.isFinishing()){
+                    next.finish();
+                }
+            }
+        }
+    }
+
+    public static synchronized void finishActivityExcept( Class<?> cls) {
+        Iterator< Activity > iterator = ACTIVITY_STACK.iterator();
+        while (iterator.hasNext()) {
+            Activity next = iterator.next();
+            if (!next.getClass().equals(cls)) {
+                iterator.remove();
+                if(!next.isFinishing()){
+                    next.finish();
+                }
+            }
+        }
+    }
+
+    public static synchronized void finishAllActivity() {
+        Iterator< Activity > iterator = ACTIVITY_STACK.iterator();
+        while (iterator.hasNext()) {
+            iterator.remove();
+            Activity next = iterator.next();
+            if(!next.isFinishing()){
+                next.finish();
+            }
+        }
+    }
+
+    public static synchronized boolean isActivityExist( Class<? extends Activity > cls){
+        Iterator< Activity > iterator = ACTIVITY_STACK.iterator();
+        while (iterator.hasNext()) {
+            Activity next = iterator.next();
+            if(next.getClass().equals(cls)){
+                return true;
+            }
+        }
+        return false;
+    }
+
+}