Android: Searching

docs-android/app/app.iml

@@ -102,6 +102,7 @@
     <orderEntry type="library" exported="" name="support-annotations-21.0.2" level="project" />
     <orderEntry type="library" exported="" name="imagezoom-1.0.5" level="project" />
     <orderEntry type="library" exported="" name="support-v4-21.0.2" level="project" />
+    <orderEntry type="library" exported="" name="eventbus-2.4.0" level="project" />
     <orderEntry type="library" exported="" name="android-query.0.26.8" level="project" />
     <orderEntry type="library" exported="" name="appcompat-v7-21.0.2" level="project" />
     <orderEntry type="library" exported="" name="android-async-http-1.4.6" level="project" />

docs-android/app/build.gradle

@@ -35,4 +35,5 @@ dependencies {
     compile 'com.android.support:recyclerview-v7:21.0.0'
     compile 'com.loopj.android:android-async-http:1.4.6'
     compile 'it.sephiroth.android.library.imagezoom:imagezoom:1.0.5'
+    compile 'de.greenrobot:eventbus:2.4.0'
 }

docs-android/app/src/main/AndroidManifest.xml

@@ -27,12 +27,19 @@
             android:label="@string/app_name"
             android:logo="@drawable/ic_launcher"
             android:launchMode="singleTop">
+            <intent-filter>
+                <action android:name="android.intent.action.SEARCH" />
+            </intent-filter>
+            <meta-data android:name="android.app.searchable" android:resource="@xml/searchable" />
         </activity>
         <activity
             android:name=".activity.DocumentActivity"
             android:label=""
             android:logo="@drawable/ic_launcher">
         </activity>
+        <provider android:name=".provider.RecentSuggestionsProvider"
+            android:exported="false"
+            android:authorities="com.sismics.docs.provider.RecentSuggestionsProvider" />
     </application>
 
 </manifest>

docs-android/app/src/main/java/com/sismics/docs/MainApplication.java

@@ -23,7 +23,6 @@ public class MainApplication extends Application {
         // TODO Fullscreen preview
         // TODO Sharing
         // TODO Error feedback
-        // TODO Searching
         // TODO Printing
 
         super.onCreate();

docs-android/app/src/main/java/com/sismics/docs/activity/MainActivity.java

@@ -1,18 +1,28 @@
 package com.sismics.docs.activity;
 
+import android.app.SearchManager;
+import android.content.Context;
 import android.content.Intent;
 import android.content.res.Configuration;
 import android.os.Bundle;
+import android.provider.SearchRecentSuggestions;
 import android.support.v4.widget.DrawerLayout;
 import android.support.v7.app.ActionBarActivity;
 import android.support.v7.app.ActionBarDrawerToggle;
+import android.support.v7.widget.SearchView;
+import android.view.Menu;
+import android.view.MenuInflater;
 import android.view.MenuItem;
-import android.view.View;
+import android.widget.TextView;
-import android.widget.AdapterView;
-import android.widget.ListView;
 
 import com.sismics.docs.R;
+import com.sismics.docs.event.SearchEvent;
 import com.sismics.docs.model.application.ApplicationContext;
+import com.sismics.docs.provider.RecentSuggestionsProvider;
+
+import org.json.JSONObject;
+
+import de.greenrobot.event.EventBus;
 
 /**
  * Main activity.
@@ -21,8 +31,8 @@ import com.sismics.docs.model.application.ApplicationContext;
  */
 public class MainActivity extends ActionBarActivity {
     
-    private ListView drawerList;
     private ActionBarDrawerToggle drawerToggle;
+    private MenuItem searchItem;
 
     @Override
     protected void onCreate(final Bundle args) {
@@ -38,30 +48,27 @@ public class MainActivity extends ActionBarActivity {
         // Setup the activity
         setContentView(R.layout.main_activity);
 
-        // Cache view references
+        // Enable ActionBar app icon to behave as action to toggle nav drawer
         DrawerLayout drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
-        drawerList = (ListView) findViewById(R.id.drawer_list);
+        if (getSupportActionBar() != null) {
-
+            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-        // Drawer item click listener
+            getSupportActionBar().setHomeButtonEnabled(true);
-        drawerList.setOnItemClickListener(new ListView.OnItemClickListener() {
-            @Override
-            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
-            }
-        });
-
-        if (drawerLayout != null) {
-            // Enable ActionBar app icon to behave as action to toggle nav drawer
-            if (getSupportActionBar() != null) {
-                getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-                getSupportActionBar().setHomeButtonEnabled(true);
-            }
-
-            // ActionBarDrawerToggle ties together the the proper interactions
-            // between the sliding drawer and the action bar app icon
-            drawerToggle = new ActionBarDrawerToggle(this, drawerLayout,
-                    R.string.drawer_open, R.string.drawer_close);
-            drawerLayout.setDrawerListener(drawerToggle);
         }
+
+        // ActionBarDrawerToggle ties together the the proper interactions
+        // between the sliding drawer and the action bar app icon
+        drawerToggle = new ActionBarDrawerToggle(this, drawerLayout,
+                R.string.drawer_open, R.string.drawer_close);
+        drawerLayout.setDrawerListener(drawerToggle);
+
+        // Fill the drawer user info
+        JSONObject userInfo = ApplicationContext.getInstance().getUserInfo();
+        TextView usernameTextView = (TextView) findViewById(R.id.usernameTextView);
+        usernameTextView.setText(userInfo.optString("username"));
+        TextView emailTextView = (TextView) findViewById(R.id.emailTextView);
+        emailTextView.setText(userInfo.optString("email"));
+
+        handleIntent(getIntent());
     }
 
     @Override
@@ -70,7 +77,7 @@ public class MainActivity extends ActionBarActivity {
             case android.R.id.home:
                 // The action bar home/up action should open or close the drawer.
                 // ActionBarDrawerToggle will take care of this.
-                if (drawerToggle != null && drawerToggle.onOptionsItemSelected(item)) {
+                if (drawerToggle.onOptionsItemSelected(item)) {
                     return true;
                 }
                 return true;
@@ -83,24 +90,69 @@ public class MainActivity extends ActionBarActivity {
     @Override
     protected void onPostCreate(Bundle savedInstanceState) {
         super.onPostCreate(savedInstanceState);
-        if (drawerToggle != null) {
+        // Sync the toggle state after onRestoreInstanceState has occurred.
-            // Sync the toggle state after onRestoreInstanceState has occurred.
+        drawerToggle.syncState();
-            drawerToggle.syncState();
-        }
     }
 
     @Override
     public void onConfigurationChanged(Configuration newConfig) {
         super.onConfigurationChanged(newConfig);
-        if (drawerToggle != null) {
+        // Pass any configuration change to the drawer toggle
-            // Pass any configuration change to the drawer toggle
+        drawerToggle.onConfigurationChanged(newConfig);
-            drawerToggle.onConfigurationChanged(newConfig);
-        }
     }
     
+
     @Override
-    protected void onSaveInstanceState(Bundle outState) {
+    public boolean onCreateOptionsMenu(Menu menu) {
-        super.onSaveInstanceState(outState);
+        MenuInflater inflater = getMenuInflater();
-        outState.putInt("drawerItemSelected", drawerList.getCheckedItemPosition());
+        inflater.inflate(R.menu.main_activity, menu);
+
+        // Get the SearchView and set the searchable configuration
+        SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
+        searchItem = menu.findItem(R.id.action_search);
+        SearchView searchView = (SearchView) searchItem.getActionView();
+        searchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName()));
+
+        searchView.setOnCloseListener(new SearchView.OnCloseListener() {
+            @Override
+            public boolean onClose() {
+                EventBus.getDefault().post(new SearchEvent(null));
+                return false;
+            }
+        });
+
+        return super.onCreateOptionsMenu(menu);
+    }
+
+    @Override
+    protected void onNewIntent(Intent intent) {
+        setIntent(intent);
+        handleIntent(intent);
+    }
+
+    /**
+     * Handle the incoming intent.
+     *
+     * @param intent Intent
+     */
+    private void handleIntent(Intent intent) {
+        // Intent is consumed
+        setIntent(null);
+
+        if (Intent.ACTION_SEARCH.equals(intent.getAction())) {
+            // Perform a search query
+            String query = intent.getStringExtra(SearchManager.QUERY);
+
+            // Collapse the SearchView
+            if (searchItem != null) {
+                searchItem.collapseActionView();
+            }
+
+            // Save the query
+            SearchRecentSuggestions suggestions = new SearchRecentSuggestions(this, RecentSuggestionsProvider.AUTHORITY, RecentSuggestionsProvider.MODE);
+            suggestions.saveRecentQuery(query, null);
+
+            EventBus.getDefault().post(new SearchEvent(query));
+        }
     }
 }

docs-android/app/src/main/java/com/sismics/docs/adapter/DocListAdapter.java

@@ -88,14 +88,21 @@ public class DocListAdapter extends RecyclerView.Adapter<DocListAdapter.ViewHold
         return documents.optJSONObject(position);
     }
 
+    /**
+     * Clear the documents.
+     */
+    public void clearDocuments() {
+        documents = new JSONArray();
+        notifyDataSetChanged();
+    }
+
     /**
      * Add documents to display.
      *
      * @param documents Documents
-     * @param reset Reset the list
      */
-    public void addDocuments(JSONArray documents, boolean reset) {
+    public void addDocuments(JSONArray documents) {
-        if (this.documents == null || reset) {
+        if (this.documents == null) {
             this.documents = new JSONArray();
         }
 

docs-android/app/src/main/java/com/sismics/docs/event/SearchEvent.java

@@ -0,0 +1,31 @@
+package com.sismics.docs.event;
+
+/**
+ * Search event.
+ *
+ * @author bgamard.
+ */
+public class SearchEvent {
+    /**
+     * Search query.
+     */
+    private String query;
+
+    /**
+     * Create a search event.
+     *
+     * @param query Query
+     */
+    public SearchEvent(String query) {
+        this.query = query;
+    }
+
+    /**
+     * Getter of query.
+     *
+     * @return query
+     */
+    public String getQuery() {
+        return query;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/fragment/DocListFragment.java

@@ -14,12 +14,15 @@ import com.sismics.docs.DividerItemDecoration;
 import com.sismics.docs.R;
 import com.sismics.docs.activity.DocumentActivity;
 import com.sismics.docs.adapter.DocListAdapter;
+import com.sismics.docs.event.SearchEvent;
 import com.sismics.docs.listener.RecyclerItemClickListener;
 import com.sismics.docs.resource.DocumentResource;
 
 import org.apache.http.Header;
 import org.json.JSONObject;
 
+import de.greenrobot.event.EventBus;
+
 /**
  * @author bgamard.
  */
@@ -27,12 +30,16 @@ public class DocListFragment extends Fragment {
     /**
      * Documents adapter.
      */
-    DocListAdapter adapter;
+    private DocListAdapter adapter;
+
+    /**
+     * Search query.
+     */
+    private String query;
 
     // Infinite scrolling things
     private boolean loading = true;
     private int previousTotal = 0;
-    int firstVisibleItem, visibleItemCount, totalItemCount;
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
@@ -69,9 +76,9 @@ public class DocListFragment extends Fragment {
             public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                 super.onScrolled(recyclerView, dx, dy);
 
-                visibleItemCount = recyclerView.getChildCount();
+                int visibleItemCount = recyclerView.getChildCount();
-                totalItemCount = layoutManager.getItemCount();
+                int totalItemCount = layoutManager.getItemCount();
-                firstVisibleItem = layoutManager.findFirstVisibleItemPosition();
+                int firstVisibleItem = layoutManager.findFirstVisibleItemPosition();
 
                 if (loading) {
                     if (totalItemCount > previousTotal) {
@@ -80,26 +87,54 @@ public class DocListFragment extends Fragment {
                     }
                 }
                 if (!loading && totalItemCount - visibleItemCount <= firstVisibleItem + 3) {
-                    loadDocuments();
+                    loadDocuments(false);
                     loading = true;
                 }
             }
         });
 
         // Grab the documents
-        loadDocuments();
+        loadDocuments(true);
 
+        EventBus.getDefault().register(this);
         return view;
     }
 
+    @Override
+    public void onDestroyView() {
+        EventBus.getDefault().unregister(this);
+        super.onDestroyView();
+    }
+
+    /**
+     * A search event has been fired.
+     *
+     * @param event Search event
+     */
+    public void onEvent(SearchEvent event) {
+        query = event.getQuery();
+        loadDocuments(true);
+    }
+
     /**
      * Refresh the document list.
+     *
+     * @param reset If true, reload the documents
      */
-    private void loadDocuments() {
+    private void loadDocuments(final boolean reset) {
-        DocumentResource.list(getActivity(), adapter.getItemCount(), new JsonHttpResponseHandler() {
+        if (reset) {
+            loading = true;
+            previousTotal = 0;
+            adapter.clearDocuments();
+            if (getView() != null) {
+                getView().findViewById(R.id.progressBar).setVisibility(View.VISIBLE);
+            }
+        }
+
+        DocumentResource.list(getActivity(), reset ? 0 : adapter.getItemCount(), query, new JsonHttpResponseHandler() {
             @Override
             public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
-                adapter.addDocuments(response.optJSONArray("documents"), false);
+                adapter.addDocuments(response.optJSONArray("documents"));
                 if (getView() != null) {
                     getView().findViewById(R.id.progressBar).setVisibility(View.GONE);
                 }

docs-android/app/src/main/java/com/sismics/docs/provider/RecentSuggestionsProvider.java

@@ -0,0 +1,17 @@
+package com.sismics.docs.provider;
+
+import android.content.SearchRecentSuggestionsProvider;
+
+/**
+ * Search recent suggestions provider.
+ *
+ * @author bgamard.
+ */
+public class RecentSuggestionsProvider extends SearchRecentSuggestionsProvider {
+    public final static String AUTHORITY = "com.sismics.docs.provider.RecentSuggestionsProvider";
+    public final static int MODE = DATABASE_MODE_QUERIES;
+
+    public RecentSuggestionsProvider() {
+        setupSuggestions(AUTHORITY, MODE);
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/resource/DocumentResource.java

@@ -15,9 +15,11 @@ public class DocumentResource extends BaseResource {
      * GET /document/list.
      *
      * @param context Context
+     * @param offset Offset
+     * @param query Search query
      * @param responseHandler Callback
      */
-    public static void list(Context context, int offset, JsonHttpResponseHandler responseHandler) {
+    public static void list(Context context, int offset, String query, JsonHttpResponseHandler responseHandler) {
         init(context);
         
         RequestParams params = new RequestParams();
@@ -25,6 +27,7 @@ public class DocumentResource extends BaseResource {
         params.put("offset", offset);
         params.put("sort_column", 3);
         params.put("asc", false);
+        params.put("search", query);
         client.get(getApiUrl(context) + "/document/list", params, responseHandler);
     }
 }

docs-android/app/src/main/res/layout/main_activity.xml

@@ -18,12 +18,40 @@
         android:layout_height="match_parent"
         android:layout_gravity="start"
         android:gravity="center"
-        android:orientation="vertical">
+        android:orientation="vertical"
+        android:background="#fff"
+        android:elevation="5dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:background="#aaa"
+            android:padding="12dp"
+            android:orientation="vertical"
+            android:elevation="4dp">
+
+            <TextView
+                android:id="@+id/usernameTextView"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textColor="#fff"
+                android:fontFamily="sans-serif"/>
+
+            <TextView
+                android:id="@+id/emailTextView"
+                android:layout_marginTop="8dp"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textColor="#fff"
+                android:fontFamily="sans-serif-light"/>
+
+        </LinearLayout>
 
         <ListView
-            android:id="@+id/drawer_list"
+            android:layout_weight="1"
+            android:id="@+id/tagListView"
             android:layout_width="match_parent"
-            android:layout_height="match_parent"
+            android:layout_height="0dp"
             android:choiceMode="singleChoice"
             android:divider="@android:color/transparent"
             android:dividerHeight="0dp" />

docs-android/app/src/main/res/menu/main_activity.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item android:id="@+id/action_search"
+        android:title="@string/action_search"
+        app:showAsAction="ifRoom"
+        app:actionViewClass="android.support.v7.widget.SearchView" />
+</menu>

docs-android/app/src/main/res/values/strings.xml

@@ -30,5 +30,6 @@
     <string name="downloading_file">Downloading file number %1s</string>
     <string name="download_document">Download all files</string>
     <string name="downloading_document">Downloading document</string>
+    <string name="action_search">Search documents</string>
 
 </resources>

docs-android/app/src/main/res/xml/searchable.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<searchable xmlns:android="http://schemas.android.com/apk/res/android"
+    android:label="@string/app_name"
+    android:hint="@string/action_search"
+    android:searchSuggestAuthority="com.sismics.docs.provider.RecentSuggestionsProvider"
+    android:searchSuggestSelection=" ?">
+</searchable>