1.7 Add ContentProvider

app/src/main/AndroidManifest.xml

@@ -37,6 +37,10 @@
                 android:name="android.support.PARENT_ACTIVITY"
                 android:value=".CatalogActivity" />
         </activity>
+        <provider
+            android:name=".data.PetProvider"
+            android:authorities="com.example.android.pets"
+            android:exported="false" />
     </application>
 
 </manifest>

app/src/main/java/com/example/android/pets/data/PetProvider.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2016 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.pets.data;
+
+import android.content.ContentProvider;
+import android.content.ContentValues;
+import android.database.Cursor;
+import android.net.Uri;
+
+/**
+ * {@link ContentProvider} for Pets app.
+ */
+public class PetProvider extends ContentProvider {
+
+    /** Database helper object */
+    private PetDbHelper mDbHelper;
+
+    @Override
+    public boolean onCreate() {
+        mDbHelper = new PetDbHelper(getContext());
+        return true;
+    }
+
+    @Override
+    public Cursor query(Uri uri, String[] strings, String s, String[] strings1, String s1) {
+        return null;
+    }
+
+    @Override
+    public String getType(Uri uri) {
+        return null;
+    }
+
+    @Override
+    public Uri insert(Uri uri, ContentValues contentValues) {
+        return null;
+    }
+
+    @Override
+    public int delete(Uri uri, String s, String[] strings) {
+        return 0;
+    }
+
+    @Override
+    public int update(Uri uri, ContentValues contentValues, String s, String[] strings) {
+        return 0;
+    }
+}