change api call to openlibrary

OMGAndroid/src/main/java/com/example/omgandroid/JSONAdapter.java

@@ -0,0 +1,100 @@
+package com.example.omgandroid;
+
+import android.app.Activity;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.squareup.picasso.Picasso;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+public class JSONAdapter extends BaseAdapter {
+
+    Activity mActivity;
+    JSONArray mJsonArray;
+
+    public JSONAdapter(Activity activity) {
+        mActivity = activity;
+        mJsonArray = new JSONArray();
+    }
+
+    public void updateData(JSONObject jsonObject) {
+
+        // update the adapter's dataset
+        mJsonArray = jsonObject.optJSONArray("docs");
+        notifyDataSetChanged();
+    }
+
+    @Override public int getCount() {
+        return mJsonArray.length();
+    }
+
+    @Override public JSONObject getItem(int position) {
+        return mJsonArray.optJSONObject(position);
+    }
+
+    @Override public long getItemId(int position) {
+
+        // our particular dataset uses String IDs
+        // but we had to put something in this method
+        return 0;
+    }
+
+    @Override public View getView(int position, View convertView, ViewGroup parent) {
+
+        // if the view already exists, no need to inflate again!
+        if (convertView == null) {
+
+            // There's a standard list item in Android XML. We're going to inflate that.
+            convertView = mActivity.getLayoutInflater().inflate(R.layout.row_book, null);
+        }
+
+        // Initialize the three views we will be populating
+        ImageView thumbnailImageView = (ImageView) convertView.findViewById(R.id.img_thumbnail);
+        TextView titleTextView = (TextView) convertView.findViewById(R.id.text_title);
+        TextView authorTextView = (TextView) convertView.findViewById(R.id.text_author);
+
+        // Get the current book's data in JSON form
+        JSONObject jsonObject = getItem(position);
+
+        // See if there is a cover ID in the Object
+        if (jsonObject.has("cover_i")) {
+
+            // If so, grab the Cover ID out from the object
+            String imageID = jsonObject.optString("cover_i");
+
+            // and construct the image URL
+            String imageURL = "http://covers.openlibrary.org/b/id/"
+                    + jsonObject.optString("cover_i")
+                    + "-S.jpg";
+
+            // Use Picasso to load the image
+            // Use a placeholder in case the real cover is slow to load
+            Picasso.with(mActivity)
+                    .load(imageURL)
+                    .placeholder(R.drawable.ic_books)
+                    .into(thumbnailImageView);
+        } else {
+
+            // If there was no cover ID, use a placeholder
+            thumbnailImageView.setImageResource(R.drawable.ic_books);
+        }
+
+        // Grab the title and author from the JSON
+        String bookTitle = jsonObject.optString("title");
+        String authorName = jsonObject.optString("author_name");
+
+        // the author comes back with extra characters, so let's remove those
+        authorName = authorName.replace("[", "").replace("\"", "").replace("]", "");
+
+        // Send these Strings to the TextViews for display
+        titleTextView.setText(bookTitle);
+        authorTextView.setText(authorName);
+
+        return convertView;
+    }
+}

OMGAndroid/src/main/java/com/example/omgandroid/MainActivity.java

@@ -18,7 +18,7 @@
 import com.loopj.android.http.AsyncHttpClient;
 import com.loopj.android.http.JsonHttpResponseHandler;
 
-import org.json.JSONArray;
+import org.json.JSONObject;
 
 public class MainActivity extends Activity implements View.OnClickListener, AdapterView.OnItemClickListener {
 
@@ -27,7 +27,7 @@ public class MainActivity extends Activity implements View.OnClickListener, Adap
     EditText mainEditText;
     ListView mainListView;
     ShareActionProvider mShareActionProvider;
-    JSONArrayAdapter mJSONArrayAdapter;
+    JSONAdapter mJSONAdapter;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -47,11 +47,11 @@ protected void onCreate(Bundle savedInstanceState) {
         // Access the ListView
         mainListView = (ListView) findViewById(R.id.main_listview);
 
-        // Create a JSONArrayAdapter for the ListView
-        mJSONArrayAdapter = new JSONArrayAdapter(this, new JSONArray());
+        // Create a JSONAdapter for the ListView
+        mJSONAdapter = new JSONAdapter(this);
 
         // Set the ListView to use the ArrayAdapter
-        mainListView.setAdapter(mJSONArrayAdapter);
+        mainListView.setAdapter(mJSONAdapter);
 
         // Set this activity to react to list items being pressed
         mainListView.setOnItemClickListener(this);
@@ -60,20 +60,20 @@ protected void onCreate(Bundle savedInstanceState) {
         AsyncHttpClient client = new AsyncHttpClient();
 
         // Have the client get a JSONArray of data, and define how to respond
-        client.get("http://open.undp.org/api/donor-country-index.json", new JsonHttpResponseHandler() {
+        client.get("http://openlibrary.org/search.json?q=the+lord+of+the+rings", new JsonHttpResponseHandler() {
 
             @Override
-            public void onSuccess(JSONArray jsonArray) {
+            public void onSuccess(JSONObject jsonObject) {
 
                 // Display a "Toast" message to announce our success
                 Toast.makeText(getApplicationContext(),
                         "Success!",
                         Toast.LENGTH_LONG)
                         .show();
 
-                // Now we are being wise and have created the JSONArrayAdapter subclass
+                // Now we are being wise and have created the JSONAdapter subclass
                 // update the data in our custom method.
-                mJSONArrayAdapter.updateData(jsonArray);
+                mJSONAdapter.updateData(jsonObject);
             }
 
             @Override
@@ -140,9 +140,9 @@ private void setShareIntent() {
         // Log the item's position and contents to the console in Debug
         Log.d("omg android", position
                 + ": "
-                + mJSONArrayAdapter.getItem(position).optString("name")
+                + mJSONAdapter.getItem(position).optString("name")
                 + " ("
-                + mJSONArrayAdapter.getItem(position).optString("id")
+                + mJSONAdapter.getItem(position).optString("id")
                 + ")");
     }
 }

OMGAndroid/src/main/res/layout/row_book.xml

@@ -8,7 +8,7 @@
         android:id="@+id/img_thumbnail"
         android:layout_width="50dp"
         android:layout_height="50dp"
-        android:layout_alignLeft="true"
+        android:layout_alignParentLeft="true"
         android:layout_marginLeft="25dp"
         android:layout_centerVertical="true"
         android:scaleType="centerInside"
@@ -19,9 +19,8 @@
         android:id="@+id/text_title"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_alignParentTop="true"
         android:layout_toRightOf="@+id/img_thumbnail"
-        android:layout_marginTop="25dp"
+        android:layout_alignTop="@+id/img_thumbnail"
         android:layout_marginLeft="25dp"
         android:text="Title"
         />