Ditched deprecated actionbar APIs and moved to Toolbar.

Also:
Corrected styling of the tab layout to match previous implementation.
App now follows material convention for side drawer overlapping the app bar.

src/main/java/com/nutomic/syncthingandroid/activities/FolderPickerActivity.java

@@ -61,8 +61,6 @@ public class FolderPickerActivity extends SyncthingActivity
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-
         setContentView(R.layout.activity_folder_picker);
         mListView = (ListView) findViewById(android.R.id.list);
         mListView.setOnItemClickListener(this);

src/main/java/com/nutomic/syncthingandroid/activities/LogActivity.java

@@ -41,7 +41,6 @@ public class LogActivity extends SyncthingActivity {
         super.onCreate(savedInstanceState);
 
         setContentView(R.layout.activity_log);
-        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 
         if (savedInstanceState != null) {
             mSyncthingLog = savedInstanceState.getBoolean("syncthingLog");

src/main/java/com/nutomic/syncthingandroid/activities/MainActivity.java

@@ -20,6 +20,7 @@ import android.support.v4.app.FragmentPagerAdapter;
 import android.support.v4.view.GravityCompat;
 import android.support.v4.view.ViewPager;
 import android.support.v4.widget.DrawerLayout;
+import android.support.v7.app.ActionBar;
 import android.support.v7.app.ActionBarDrawerToggle;
 import android.util.Log;
 import android.view.KeyEvent;
@@ -110,9 +111,6 @@ public class MainActivity extends SyncthingActivity
             mDisabledDialog = null;
         }
         mDrawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_UNLOCKED);
-        mDrawerLayout.setDrawerListener(mDrawerToggle);
-        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-        getSupportActionBar().setHomeButtonEnabled(true);
     }
 
     /**
@@ -190,8 +188,6 @@ public class MainActivity extends SyncthingActivity
 
     private ViewPager mViewPager;
 
-    private TabLayout mTabLayout;
-
     private ActionBarDrawerToggle mDrawerToggle;
 
     private DrawerLayout mDrawerLayout;
@@ -208,8 +204,8 @@ public class MainActivity extends SyncthingActivity
         mViewPager = (ViewPager) findViewById(R.id.pager);
         mViewPager.setAdapter(mSectionsPagerAdapter);
 
-        mTabLayout = (TabLayout) findViewById(R.id.tabContainer);
+        TabLayout tabLayout = (TabLayout) findViewById(R.id.tabContainer);
-        mTabLayout.setupWithViewPager(mViewPager);
+        tabLayout.setupWithViewPager(mViewPager);
 
         if (savedInstanceState != null) {
             FragmentManager fm = getSupportFragmentManager();
@@ -231,6 +227,7 @@ public class MainActivity extends SyncthingActivity
                 .replace(R.id.drawer, mDrawerFragment)
                 .commit();
         mDrawerToggle = new Toggle(this, mDrawerLayout);
+        mDrawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
         mDrawerLayout.setDrawerListener(mDrawerToggle);
     }
 
@@ -274,7 +271,13 @@ public class MainActivity extends SyncthingActivity
     @Override
     protected void onPostCreate(Bundle savedInstanceState) {
         super.onPostCreate(savedInstanceState);
+
         mDrawerToggle.syncState();
+
+        ActionBar actionBar = getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setHomeButtonEnabled(true);
+        }
     }
 
     @Override
@@ -288,7 +291,6 @@ public class MainActivity extends SyncthingActivity
         return mDrawerToggle.onOptionsItemSelected(item) || super.onOptionsItemSelected(item);
     }
 
-
     /**
      * Handles drawer opened and closed events, toggling option menu state.
      */
@@ -301,16 +303,12 @@ public class MainActivity extends SyncthingActivity
         public void onDrawerOpened(View drawerView) {
             super.onDrawerOpened(drawerView);
             mDrawerFragment.onDrawerOpened();
-            mFolderFragment.setHasOptionsMenu(false);
-            mDevicesFragment.setHasOptionsMenu(false);
         }
 
         @Override
         public void onDrawerClosed(View view) {
             super.onDrawerClosed(view);
             mDrawerFragment.onDrawerClosed();
-            mFolderFragment.setHasOptionsMenu(true);
-            mDevicesFragment.setHasOptionsMenu(true);
         }
     }
 

src/main/java/com/nutomic/syncthingandroid/activities/RestartActivity.java

@@ -1,7 +1,6 @@
 package com.nutomic.syncthingandroid.activities;
 
 import android.annotation.TargetApi;
-import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Notification;
 import android.app.NotificationManager;
@@ -9,12 +8,9 @@ import android.app.PendingIntent;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
-import android.os.Build;
 import android.os.Bundle;
 import android.support.v4.app.NotificationCompat;
-import android.support.v7.app.AppCompatActivity;
 
-import com.nutomic.syncthingandroid.BuildConfig;
 import com.nutomic.syncthingandroid.R;
 import com.nutomic.syncthingandroid.syncthing.SyncthingService;
 
@@ -32,8 +28,6 @@ public class RestartActivity extends SyncthingActivity {
     @TargetApi(11)
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        // Using `<item name="windowActionBar">false</item>` in style causes crash.
-        getSupportActionBar().hide();
 
         final Intent intent = new Intent(this, SyncthingService.class)
                 .setAction(SyncthingService.ACTION_RESTART);

src/main/java/com/nutomic/syncthingandroid/activities/SettingsActivity.java

@@ -37,7 +37,7 @@ public class SettingsActivity extends SyncthingActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        setContentView(R.layout.activity_settings);
 
         FragmentManager fm = getSupportFragmentManager();
         if (savedInstanceState != null) {
@@ -71,7 +71,7 @@ public class SettingsActivity extends SyncthingActivity {
         }
 
         fm.beginTransaction()
-                .replace(android.R.id.content, mFragment)
+                .replace(R.id.content, mFragment)
                 .commit();
     }
 

src/main/java/com/nutomic/syncthingandroid/activities/SyncthingActivity.java

@@ -6,8 +6,6 @@ import android.content.Intent;
 import android.content.ServiceConnection;
 import android.os.Bundle;
 import android.os.IBinder;
-import android.support.v7.app.ActionBarActivity;
-import android.support.v7.app.AppCompatActivity;
 
 import com.nutomic.syncthingandroid.syncthing.RestApi;
 import com.nutomic.syncthingandroid.syncthing.SyncthingService;
@@ -18,7 +16,7 @@ import java.util.LinkedList;
 /**
  * Connects to {@link SyncthingService} and provides access to it.
  */
-public abstract class SyncthingActivity extends AppCompatActivity implements ServiceConnection {
+public abstract class SyncthingActivity extends ToolbarBindingActivity implements ServiceConnection {
 
     private SyncthingService mSyncthingService;
 

src/main/java/com/nutomic/syncthingandroid/activities/ToolbarBindingActivity.java

@@ -0,0 +1,28 @@
+package com.nutomic.syncthingandroid.activities;
+
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+
+import com.nutomic.syncthingandroid.R;
+
+/**
+ * An activity that onPostCreate will look for a Toolbar in the layout
+ * and bind it as the activity's actionbar with reasonable defaults. <br/>
+ * The Toolbar must exist in the content view and have an id of R.id.toolbar.<br/>
+ * Trying to call getSupportActionBar before this Activity's onPostCreate will cause a crash.
+ */
+public class ToolbarBindingActivity extends AppCompatActivity {
+
+    @Override
+    protected void onPostCreate(Bundle savedInstanceState) {
+        super.onPostCreate(savedInstanceState);
+
+        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        if (toolbar != null) {
+            setSupportActionBar(toolbar);
+            //noinspection ConstantConditions
+            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        }
+    }
+}

src/main/java/com/nutomic/syncthingandroid/activities/WebGuiActivity.java

@@ -104,7 +104,6 @@ public class WebGuiActivity extends SyncthingActivity
         super.onCreate(savedInstanceState);
 
         setContentView(R.layout.activity_web_gui);
-        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 
         mLoadingView = findViewById(R.id.loading);
         loadCaCert();

src/main/res/layout/activity_folder_picker.xml

@@ -1,4 +1,11 @@
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <include layout="@layout/widget_toolbar" />
+
+    <FrameLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
@@ -11,7 +18,7 @@
             android:id="@android:id/empty"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-        android:text="@string/directory_empty"
+            android:layout_gravity="center"
-        android:layout_centerInParent="true" />
+            android:text="@string/directory_empty" />
-
+    </FrameLayout>
-</RelativeLayout>
+</LinearLayout>

src/main/res/layout/activity_log.xml

@@ -1,13 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
+    <include layout="@layout/widget_toolbar" />
+
     <ScrollView
         android:id="@+id/scroller"
-        android:layout_width="fill_parent"
+        android:layout_width="match_parent"
-        android:layout_height="fill_parent"
+        android:layout_height="match_parent"
         android:scrollbars="vertical"
         android:fillViewport="true">
 
@@ -16,9 +18,9 @@
             android:gravity="top"
             android:textSize="12sp"
             android:textIsSelectable="true"
-            android:layout_width="fill_parent"
+            android:layout_width="match_parent"
             android:layout_height="wrap_content" />
 
     </ScrollView>
 
-</RelativeLayout>
+</LinearLayout>

src/main/res/layout/activity_main.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/drawer_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
@@ -9,10 +10,15 @@
         android:layout_height="match_parent"
         android:orientation="vertical">
 
+        <include layout="@layout/widget_toolbar" />
+
         <android.support.design.widget.TabLayout
             android:id="@+id/tabContainer"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content" />
+            android:layout_height="wrap_content"
+            android:background="?colorPrimary"
+            android:elevation="@dimen/toolbar_elevation"
+            app:theme="@style/ThemeOverlay.Syncthing.Toolbar" />
 
         <android.support.v4.view.ViewPager
             android:id="@+id/pager"

src/main/res/layout/activity_settings.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <include layout="@layout/widget_toolbar" />
+
+    <FrameLayout
+        android:id="@+id/content"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</LinearLayout>

src/main/res/layout/activity_web_gui.xml

@@ -1,8 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <include layout="@layout/widget_toolbar" />
 
     <WebView
         android:id="@+id/webview"
@@ -12,9 +14,8 @@
 
     <LinearLayout
         android:id="@+id/loading"
-        android:layout_width="wrap_content"
+        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="match_parent"
-        android:layout_gravity="center"
         android:gravity="center"
         android:orientation="vertical">
 
@@ -30,4 +31,4 @@
             android:layout_height="wrap_content"
             android:text="@string/web_gui_loading" />
     </LinearLayout>
-</FrameLayout>
+</LinearLayout>

src/main/res/layout/widget_toolbar.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.v7.widget.Toolbar
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/toolbar"
+    android:layout_width="match_parent"
+    android:layout_height="?android:actionBarSize"
+    android:background="?colorPrimary"
+    android:elevation="@dimen/toolbar_elevation"
+    app:theme="@style/ThemeOverlay.Syncthing.Toolbar" />

src/main/res/values/dimens.xml

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <dimen name="material_divider_inset">72dp</dimen>
+    <dimen name="toolbar_elevation">4dp</dimen>
 </resources>

src/main/res/values/styles.xml

@@ -50,6 +50,11 @@
         <item name="android:minHeight">48dp</item>
     </style>
 
+    <style name="Widget.Syncthing.DrawerArrowToggle" parent="Widget.AppCompat.DrawerArrowToggle">
+        <item name="spinBars">false</item>
+        <item name="color">@android:color/white</item>
+    </style>
+
     <!-- Text appearances -->
     <eat-comment />
 

src/main/res/values/themes.xml

@@ -4,11 +4,10 @@
     <!-- Activity themes -->
     <eat-comment/>
 
-    <style name="Theme.Syncthing.Base" parent="@style/Theme.AppCompat.Light.DarkActionBar">
+    <style name="Theme.Syncthing.Base" parent="@style/Theme.AppCompat.Light.NoActionBar">
         <item name="colorPrimary">@color/primary</item>
         <item name="colorPrimaryDark">@color/primary_dark</item>
         <item name="colorAccent">@color/accent</item>
-        <item name="actionBarTheme">@style/ThemeOverlay.Syncthing.ActionBar</item>
 
         <item name="textAppearanceListItemPrimary">@style/TextAppearance.Syncthing.ListItemPrimary</item>
         <item name="textAppearanceListItemSecondary">@style/TextAppearance.Syncthing.ListItemSecondary</item>
@@ -16,12 +15,12 @@
 
         <item name="android:listViewStyle">@style/Widget.Syncthing.ListView</item>
         <item name="android:listDivider">@drawable/list_divider_inset</item>
+        <item name="drawerArrowStyle">@style/Widget.Syncthing.DrawerArrowToggle</item>
     </style>
 
     <style name="Theme.Syncthing" parent="Theme.Syncthing.Base"/>
 
     <style name="Theme.Syncthing.Translucent">
-        <item name="android:windowNoTitle">true</item>
         <item name="android:windowBackground">@android:color/transparent</item>
         <item name="android:colorBackgroundCacheHint">@null</item>
         <item name="android:windowIsTranslucent">true</item>
@@ -37,10 +36,10 @@
         <item name="colorControlActivated">@color/accent</item>
     </style>
 
-    <!-- ActionBar themes -->
+    <!-- Toolbar themes -->
     <eat-comment/>
 
-    <style name="ThemeOverlay.Syncthing.ActionBar" parent="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
+    <style name="ThemeOverlay.Syncthing.Toolbar" parent="@style/ThemeOverlay.AppCompat.Dark.ActionBar">
         <item name="colorAccent">@android:color/white</item>
     </style>
 </resources>