Merge "Add StaggeredGridLayoutManagerActivity to Support7Demos" into lmp-mr1-ub-dev

samples/Support7Demos/AndroidManifest.xml

@@ -366,6 +366,15 @@
             </intent-filter>
         </activity>
 
+        <activity android:name=".widget.StaggeredGridLayoutManagerActivity"
+                  android:label="@string/staggered_grid_layout_manager"
+                  android:theme="@style/Theme.AppCompat">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="com.example.android.supportv7.SAMPLE_CODE" />
+            </intent-filter>
+        </activity>
+
         <activity android:name=".view.CardViewActivity"
                   android:label="@string/card_view"
                   android:theme="@style/Theme.AppCompat">

samples/Support7Demos/res/values/strings.xml

@@ -146,6 +146,7 @@
     <string name="animated_recycler_view">RecyclerView/AnimatedRecyclerView</string>
     <string name="linear_layout_manager">RecyclerView/Linear Layout Manager</string>
     <string name="grid_layout_manager">RecyclerView/Grid Layout Manager</string>
+    <string name="staggered_grid_layout_manager">RecyclerView/Staggered Grid Layout Manager</string>
     <string name="checkbox_orientation">Horz.</string>
     <string name="checkbox_reverse">Rev.</string>
     <string name="checkbox_layout_dir">Layout Dir</string>
@@ -190,4 +191,5 @@
     <string name="drag">drag me</string>
     <string name="swipe">swipe me</string>
     <string name="swiping">swiping</string>
+    <string name="vertical">vertical</string>
 </resources>

samples/Support7Demos/src/com/example/android/supportv7/widget/StaggeredGridLayoutManagerActivity.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package com.example.android.supportv7.widget;
+
+import com.example.android.supportv7.R;
+import com.example.android.supportv7.widget.util.ConfigToggle;
+
+import android.support.v7.widget.StaggeredGridLayoutManager;
+
+public class StaggeredGridLayoutManagerActivity
+        extends BaseLayoutManagerActivity<StaggeredGridLayoutManager> {
+
+    private boolean mVertical = true;
+
+    @Override
+    protected StaggeredGridLayoutManager createLayoutManager() {
+        if (mVertical) {
+            return new StaggeredGridLayoutManager(3, StaggeredGridLayoutManager.VERTICAL);
+        } else {
+            return new StaggeredGridLayoutManager(3, StaggeredGridLayoutManager.HORIZONTAL);
+        }
+    }
+
+    @Override
+    ConfigToggle[] createConfigToggles() {
+        return new ConfigToggle[] {
+                new ConfigToggle(this, R.string.vertical) {
+                    @Override
+                    public boolean isChecked() {
+                        return mVertical;
+                    }
+
+                    @Override
+                    public void onChange(boolean newValue) {
+                        if (mVertical == newValue) {
+                            return;
+                        }
+                        mVertical = newValue;
+                        mRecyclerView.setLayoutManager(createLayoutManager());
+                    }
+                }
+        };
+    }
+}