morristech · March 8, 2019 05:32 · Jun 7, 2015 · Jun 7, 2015 · Jun 7, 2015 · May 30, 2015
diff --git a/LICENSE b/LICENSE
@@ -0,0 +1,13 @@
+Copyright 2015 Joshua Brown
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
diff --git a/HeadlessFragment.java b/HeadlessFragment.java
@@ -42,4 +42,4 @@ public interface ${PARENT_INTERFACE} {
     }
     return null;
   }
-}
+}
diff --git a/HeadlessFragment.java b/HeadlessFragment.java
@@ -7,19 +7,17 @@
 #parse("File Header.java")
 public class ${NAME} extends Fragment {
 
-    private static final String FRAG_TAG = ${NAME}.class.getCanonicalName();
-
-    public interface ${PARENT_INTERFACE} {
-      //TODO: define methods for parent interface
-    }
-
-    public static <ParentFrag extends Fragment & ${PARENT_INTERFACE}> ${NAME}
-    attach(ParentFrag parent) {
-      return attach(parent.getChildFragmentManager());
-    }
-
-    public static <ParentActivity extends Activity & ${PARENT_INTERFACE}> ${NAME}
-    attach(ParentActivity parent) {
+  private static final String FRAG_TAG = ${NAME}.class.getCanonicalName();
+
+  public interface ${PARENT_INTERFACE} {
+    //TODO: define methods for parent interface
+  }
+
+  public static <ParentFrag extends Fragment & ${PARENT_INTERFACE}> ${NAME} attach(ParentFrag parent) {
+    return attach(parent.getChildFragmentManager());
+  }
+
+  public static <ParentActivity extends Activity & ${PARENT_INTERFACE}> ${NAME} attach(ParentActivity parent) {
     return attach(parent.getFragmentManager());
   }
 
@@ -44,8 +42,4 @@ public interface ${PARENT_INTERFACE} {
     }
     return null;
   }
-
-    public ${NAME}() {
-    // leave empty
-    }
 }
diff --git a/HeadlessFragment.java b/HeadlessFragment.java
@@ -0,0 +1,51 @@
+#if (${PACKAGE_NAME} && ${PACKAGE_NAME} != "")package ${PACKAGE_NAME};#end
+
+import android.app.Activity;
+import android.app.Fragment;
+import android.app.FragmentManager;
+
+#parse("File Header.java")
+public class ${NAME} extends Fragment {
+
+    private static final String FRAG_TAG = ${NAME}.class.getCanonicalName();
+
+    public interface ${PARENT_INTERFACE} {
+      //TODO: define methods for parent interface
+    }
+
+    public static <ParentFrag extends Fragment & ${PARENT_INTERFACE}> ${NAME}
+    attach(ParentFrag parent) {
+      return attach(parent.getChildFragmentManager());
+    }
+
+    public static <ParentActivity extends Activity & ${PARENT_INTERFACE}> ${NAME}
+    attach(ParentActivity parent) {
+    return attach(parent.getFragmentManager());
+  }
+
+  private static ${NAME} attach(FragmentManager fragmentManager) {
+    ${NAME} frag = (${NAME}) fragmentManager.findFragmentByTag(FRAG_TAG);
+    if (frag == null) {
+      frag = new ${NAME}();
+      fragmentManager.beginTransaction().add(frag, FRAG_TAG).commit();
+    }
+    return frag;
+  }
+
+  private ${PARENT_INTERFACE} getParent() {
+    Fragment parentFragment = getParentFragment();
+    if (parentFragment instanceof ${PARENT_INTERFACE}) {
+      return (${PARENT_INTERFACE}) parentFragment;
+    } else {
+      Activity activity = getActivity();
+      if (activity instanceof ${PARENT_INTERFACE}) {
+        return (${PARENT_INTERFACE}) activity;
+      }
+    }
+    return null;
+  }
+
+    public ${NAME}() {
+    // leave empty
+    }
+}