TFragments.04-Solution-CreateMasterListFragment

app/src/main/AndroidManifest.xml

@@ -9,15 +9,17 @@
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
 
-        <!-- TODO (5) Declare the MainActivity in the manifest and set it to launch upon opening this app -->
-
-        <activity android:name=".ui.AndroidMeActivity">
+        <!-- Declare the MainActivity in the manifest and set it to launch upon opening this app -->
+        <activity android:name=".ui.MainActivity" >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
+        <activity android:name=".ui.AndroidMeActivity" />
+
     </application>
 
 </manifest>

app/src/main/java/com/example/android/android_me/ui/AndroidMeActivity.java

@@ -26,19 +26,6 @@
 // This activity will display a custom Android image composed of three body parts: head, body, and legs
 public class AndroidMeActivity extends AppCompatActivity {
 
-    // TODO (1) Create a fragment_master_list.xml layout file to display all our images; this should be a GridView
-
-    // TODO (2) Create a new class called MasterListFragment which will display the GridView list of ALL AndroidMe images
-        // In the fragment class, you'll need to implement an empty constructor, and onCreateView
-
-    // TODO (3) In the MasterListFragment class, create a new MasterListAdapter and set it on the GridView
-        // The MasterListAdapter code is provided; it creates the ImageViews that are contained in the GridView
-        // The adapter takes as parameters (Context context, List<Integer> imageIds)
-
-    // After creating the fragment..
-    // TODO (4) Create a new Activity named MainActivity and a corresponding layout file that displays a MasterListFragment
-        // Remember, to display a static fragment in a layout file, use the <fragment> tag
-
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {

app/src/main/java/com/example/android/android_me/ui/MainActivity.java

@@ -0,0 +1,35 @@
+/*
+* Copyright (C) 2017 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.android_me.ui;
+
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+
+import com.example.android.android_me.R;
+
+// This activity is responsible for displaying the master list of all images
+public class MainActivity extends AppCompatActivity {
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+    }
+
+}

app/src/main/java/com/example/android/android_me/ui/MasterListFragment.java

@@ -0,0 +1,59 @@
+/*
+* Copyright (C) 2017 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.android_me.ui;
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.GridView;
+
+import com.example.android.android_me.R;
+import com.example.android.android_me.data.AndroidImageAssets;
+
+
+// This fragment displays all of the AndroidMe images in one large list
+// The list appears as a grid of images
+public class MasterListFragment extends Fragment {
+
+    // Mandatory empty constructor
+    public MasterListFragment() {
+    }
+
+    // Inflates the GridView of all AndroidMe images
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+
+        final View rootView = inflater.inflate(R.layout.fragment_master_list, container, false);
+
+        // Get a reference to the GridView in the fragment_master_list xml layout file
+        GridView gridView = (GridView) rootView.findViewById(R.id.images_grid_view);
+
+        // Create the adapter
+        // This adapter takes in the context and an ArrayList of ALL the image resources to display
+        MasterListAdapter mAdapter = new MasterListAdapter(getContext(), AndroidImageAssets.getAll());
+
+        // Set the adapter on the GridView
+        gridView.setAdapter(mAdapter);
+
+        // Return the root view
+        return rootView;
+    }
+
+}

app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--Copyright (C) 2017 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.-->
+
+<!-- Display the static master list fragment -->
+<fragment
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/master_list_fragment"
+    android:name="com.example.android.android_me.ui.MasterListFragment"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent" />

app/src/main/res/layout/fragment_master_list.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--Copyright (C) 2017 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.-->
+
+<!-- GridView that displays AndroidMe images -->
+<GridView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/images_grid_view"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:adjustViewBounds="true"
+    android:columnWidth="180dp"
+    android:gravity="center"
+    android:horizontalSpacing="8dp"
+    android:numColumns="3"
+    android:padding="16dp"
+    android:stretchMode="columnWidth"
+    android:verticalSpacing="8dp">
+</GridView>