Android: settings activity

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

@@ -38,6 +38,10 @@
             android:name=".activity.DocumentEditActivity"
             android:label="@string/new_document">
         </activity>
+        <activity
+            android:name=".activity.SettingsActivity"
+            android:label="@string/settings">
+        </activity>
         <provider android:name=".provider.RecentSuggestionsProvider"
             android:exported="false"
             android:authorities="com.sismics.docs.provider.RecentSuggestionsProvider" />

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

@@ -21,7 +21,6 @@ public class MainApplication extends Application {
         ApplicationContext.getInstance().setUserInfo(getApplicationContext(), json);
 
         // TODO Fullscreen preview
-        // TODO Caching preferences
         // TODO Documents adding/editing
         // TODO Files adding/deleting
 

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

@@ -27,10 +27,8 @@ public class DocumentEditActivity extends ActionBarActivity {
 
         // Setup the activity
         setContentView(R.layout.document_edit_activity);
-        if (getSupportActionBar() != null) {
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        getSupportActionBar().setHomeButtonEnabled(true);
-            getSupportActionBar().setHomeButtonEnabled(true);
-        }
 
         Spinner languageSpinner = (Spinner) findViewById(R.id.languageSpinner);
         languageSpinner.setAdapter(new ArrayAdapter<>(this, android.R.layout.simple_spinner_dropdown_item,

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

@@ -92,10 +92,8 @@ public class DocumentViewActivity extends ActionBarActivity {
 
         // Setup the activity
         setContentView(R.layout.document_view_activity);
-        if (getSupportActionBar() != null) {
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        getSupportActionBar().setHomeButtonEnabled(true);
-            getSupportActionBar().setHomeButtonEnabled(true);
-        }
 
         // Grab the document
         refreshDocument(document);

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

@@ -18,6 +18,7 @@ import android.widget.AdapterView;
 import android.widget.ListView;
 import android.widget.TextView;
 
+import com.androidquery.util.AQUtility;
 import com.sismics.docs.R;
 import com.sismics.docs.adapter.TagListAdapter;
 import com.sismics.docs.event.SearchEvent;
@@ -25,6 +26,7 @@ import com.sismics.docs.listener.JsonHttpResponseHandler;
 import com.sismics.docs.model.application.ApplicationContext;
 import com.sismics.docs.provider.RecentSuggestionsProvider;
 import com.sismics.docs.resource.TagResource;
+import com.sismics.docs.resource.UserResource;
 import com.sismics.docs.util.PreferenceUtil;
 
 import org.apache.http.Header;
@@ -59,10 +61,8 @@ public class MainActivity extends ActionBarActivity {
 
         // Enable ActionBar app icon to behave as action to toggle nav drawer
         drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
-        if (getSupportActionBar() != null) {
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        getSupportActionBar().setHomeButtonEnabled(true);
-            getSupportActionBar().setHomeButtonEnabled(true);
-        }
 
         // ActionBarDrawerToggle ties together the the proper interactions
         // between the sliding drawer and the action bar app icon
@@ -139,6 +139,22 @@ public class MainActivity extends ActionBarActivity {
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
+            case R.id.logout:
+                UserResource.logout(getApplicationContext(), new JsonHttpResponseHandler() {
+                    @Override
+                    public void onFinish() {
+                        // Force logout in all cases, so the user is not stuck in case of network error
+                        ApplicationContext.getInstance().setUserInfo(getApplicationContext(), null);
+                        startActivity(new Intent(MainActivity.this, LoginActivity.class));
+                        finish();
+                    }
+                });
+                return true;
+
+            case R.id.settings:
+                startActivity(new Intent(MainActivity.this, SettingsActivity.class));
+                return true;
+
             case android.R.id.home:
                 // The action bar home/up action should open or close the drawer.
                 // ActionBarDrawerToggle will take care of this.
@@ -233,4 +249,13 @@ public class MainActivity extends ActionBarActivity {
         searchView.clearFocus();
         drawerLayout.closeDrawers();
     }
+
+    @Override
+    protected void onDestroy() {
+        if(isTaskRoot()) {
+            int cacheSizeMb = PreferenceUtil.getIntegerPreference(this, PreferenceUtil.PREF_CACHE_SIZE, 10);
+            AQUtility.cleanCacheAsync(this, cacheSizeMb * 1000000, cacheSizeMb * 1000000);
+        }
+        super.onDestroy();
+    }
 }

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

@@ -0,0 +1,39 @@
+package com.sismics.docs.activity;
+
+import android.os.Bundle;
+import android.support.v7.app.ActionBarActivity;
+import android.view.MenuItem;
+
+import com.sismics.docs.fragment.SettingsFragment;
+
+/**
+ * Settings activity.
+ *
+ * @author bgamard.
+ */
+public class SettingsActivity extends ActionBarActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        getSupportActionBar().setHomeButtonEnabled(true);
+
+        // Display the fragment as the main content.
+        getFragmentManager().beginTransaction()
+                .replace(android.R.id.content, new SettingsFragment())
+                .commit();
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                finish();
+                return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+}

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

@@ -0,0 +1,88 @@
+package com.sismics.docs.fragment;
+
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.preference.ListPreference;
+import android.preference.Preference;
+import android.preference.PreferenceFragment;
+import android.preference.PreferenceManager;
+import android.provider.SearchRecentSuggestions;
+import android.widget.Toast;
+
+import com.androidquery.util.AQUtility;
+import com.sismics.docs.R;
+import com.sismics.docs.provider.RecentSuggestionsProvider;
+import com.sismics.docs.util.ApplicationUtil;
+import com.sismics.docs.util.PreferenceUtil;
+
+/**
+ * Settings fragment.
+ *
+ * @author bgamard.
+ */
+public class SettingsFragment extends PreferenceFragment implements SharedPreferences.OnSharedPreferenceChangeListener {
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // Load the preferences from an XML resource
+        addPreferencesFromResource(R.xml.preferences);
+
+        // Initialize summaries
+        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+        onSharedPreferenceChanged(sharedPreferences, PreferenceUtil.PREF_CACHE_SIZE);
+
+
+        // Handle clearing the recent search history
+        Preference clearHistoryPref = findPreference("pref_clearHistory");
+        clearHistoryPref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+            @Override
+            public boolean onPreferenceClick(Preference preference) {
+                SearchRecentSuggestions suggestions = new SearchRecentSuggestions(getActivity(),
+                        RecentSuggestionsProvider.AUTHORITY, RecentSuggestionsProvider.MODE);
+                suggestions.clearHistory();
+                Toast.makeText(getActivity(), R.string.pref_clear_history_success, Toast.LENGTH_LONG).show();
+                return true;
+            }
+        });
+
+        // Handle clearing the cache
+        Preference clearCachePref = findPreference("pref_clearCache");
+        clearCachePref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+            @Override
+            public boolean onPreferenceClick(Preference preference) {
+                AQUtility.cleanCacheAsync(getActivity());
+                Toast.makeText(getActivity(), R.string.pref_clear_cache_success, Toast.LENGTH_LONG).show();
+                return true;
+            }
+        });
+
+        // Initialize static text preferences
+        Preference versionPref = findPreference("pref_version");
+        versionPref.setSummary(getString(R.string.version) + " " + ApplicationUtil.getVersionName(getActivity())
+                + " | " + getString(R.string.build) + " " + ApplicationUtil.getVersionCode(getActivity()));
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        getPreferenceManager().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
+
+    }
+
+    @Override
+    public void onPause() {
+        getPreferenceManager().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(this);
+        super.onPause();
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+        Preference pref = findPreference(key);
+        if (pref instanceof ListPreference) {
+            ListPreference listPref = (ListPreference) pref;
+            pref.setSummary(listPref.getEntry());
+        }
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/util/PreferenceUtil.java

@@ -22,6 +22,7 @@ public class PreferenceUtil {
     public static final String PREF_CACHED_USER_INFO_JSON = "pref_cachedUserInfoJson";
     public static final String PREF_CACHED_TAGS_JSON = "pref_cachedTagsJson";
     public static final String PREF_SERVER_URL = "pref_ServerUrl";
+    public static final String PREF_CACHE_SIZE = "pref_cacheSize";
 
     /**
      * Returns a preference of boolean type.

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

@@ -1,8 +1,22 @@
 <?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" />
+
+    <item
+        android:id="@+id/settings"
+        app:showAsAction="collapseActionView"
+        android:title="@string/settings">
+    </item>
+
+    <item
+        android:id="@+id/logout"
+        app:showAsAction="collapseActionView"
+        android:title="@string/logout">
+    </item>
+
 </menu>

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

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <string-array name="cacheSizes">
+        <item>5MB</item>
+        <item>10MB</item>
+        <item>30MB</item>
+        <item>100MB</item>
+    </string-array>
+
+    <string-array name="cacheSizesValues">
+        <item>5</item>
+        <item>10</item>
+        <item>30</item>
+        <item>100</item>
+    </string-array>
+
+</resources>

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

@@ -56,5 +56,21 @@
     <string name="send_share_to">Send share link to</string>
     <string name="upload_file">Upload a file</string>
     <string name="upload_from">Upload a file from</string>
+    <string name="settings">Settings</string>
+    <string name="logout">Sign Out</string>
+    <string name="version">Version</string>
+    <string name="build">Build</string>
+    <string name="pref_advanced_category">Advanced settings</string>
+    <string name="pref_about_category">About</string>
+    <string name="pref_github">GitHub</string>
+    <string name="pref_issue">Report a bug</string>
+    <string name="pref_clear_cache_title">Clear cache</string>
+    <string name="pref_clear_cache_summary">Cleanup cached files</string>
+    <string name="pref_clear_cache_success">Cache cleared</string>
+    <string name="pref_clear_history_title">Clear search history</string>
+    <string name="pref_clear_history_summary">Wipe the recent search suggestions</string>
+    <string name="pref_clear_history_success">Search history cleared</string>
+    <string name="pref_cache_size">Cache size</string>
+
 
 </resources>

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

@@ -1,3 +1,58 @@
 <?xml version="1.0" encoding="utf-8"?>
-<PreferenceScreen>
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <PreferenceCategory
+        android:key="pref_advanced_category"
+        android:title="@string/pref_advanced_category">
+
+        <ListPreference
+            android:key="pref_cacheSize"
+            android:title="@string/pref_cache_size"
+            android:dialogTitle="@string/pref_cache_size"
+            android:entries="@array/cacheSizes"
+            android:entryValues="@array/cacheSizesValues"
+            android:defaultValue="10"/>
+
+        <Preference
+            android:key="pref_clearCache"
+            android:title="@string/pref_clear_cache_title"
+            android:summary="@string/pref_clear_cache_summary">
+        </Preference>
+
+        <Preference
+            android:key="pref_clearHistory"
+            android:title="@string/pref_clear_history_title"
+            android:summary="@string/pref_clear_history_summary">
+        </Preference>
+
+    </PreferenceCategory>
+
+    <PreferenceCategory
+        android:key="pref_about_category"
+        android:title="@string/pref_about_category">
+
+        <Preference
+            android:key="pref_github"
+            android:title="@string/pref_github"
+            android:summary="github.com/sismics/docs">
+            <intent
+                android:action="android.intent.action.VIEW"
+                android:data="https://github.com/sismics/docs"/>
+        </Preference>
+
+        <Preference
+            android:key="pref_issue"
+            android:title="@string/pref_issue"
+            android:summary="github.com/sismics/docs/issues">
+            <intent
+                android:action="android.intent.action.VIEW"
+                android:data="https://github.com/sismics/docs/issues"/>
+        </Preference>
+
+        <Preference
+            android:key="pref_version"
+            android:title="@string/app_name"/>
+
+    </PreferenceCategory>
+
 </PreferenceScreen>