Floating action button for toot compose

app/src/main/java/com/keylesspalace/tusky/MainActivity.java

@@ -23,12 +23,14 @@ import android.content.SharedPreferences;
 import android.graphics.drawable.Drawable;
 import android.os.SystemClock;
 import android.preference.PreferenceManager;
+import android.support.design.widget.FloatingActionButton;
 import android.support.design.widget.TabLayout;
 import android.support.v4.view.ViewPager;
 import android.os.Bundle;
 import android.support.v7.widget.Toolbar;
 import android.view.Menu;
 import android.view.MenuItem;
+import android.view.View;
 
 import com.android.volley.AuthFailureError;
 import com.android.volley.Request;
@@ -62,6 +64,15 @@ public class MainActivity extends BaseActivity {
         Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
 
+        FloatingActionButton floatingBtn = (FloatingActionButton) findViewById(R.id.floating_btn);
+        floatingBtn.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getApplicationContext(), ComposeActivity.class);
+                startActivity(intent);
+            }
+        });
+
         // Setup the tabs and timeline pager.
         TimelinePagerAdapter adapter = new TimelinePagerAdapter(getSupportFragmentManager());
         String[] pageTitles = {
@@ -170,11 +181,6 @@ public class MainActivity extends BaseActivity {
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
-            case R.id.action_compose: {
-                Intent intent = new Intent(this, ComposeActivity.class);
-                startActivity(intent);
-                return true;
-            }
             case R.id.action_view_profile: {
                 Intent intent = new Intent(this, AccountActivity.class);
                 intent.putExtra("id", loggedInAccountId);

app/src/main/res/drawable/ic_create_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="@color/toolbar_icon_dark"
+        android:pathData="M3,17.25V21h3.75L17.81,9.94l-3.75,-3.75L3,17.25zM20.71,7.04c0.39,-0.39 0.39,-1.02 0,-1.41l-2.34,-2.34c-0.39,-0.39 -1.02,-0.39 -1.41,0l-1.83,1.83 3.75,3.75 1.83,-1.83z"/>
+</vector>

app/src/main/res/layout/activity_main.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/activity_main"
@@ -33,6 +33,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 app:tabTextAppearance="@style/TabLayoutTextStyle"
+                app:tabBackground="?android:colorBackground"
                 app:tabPaddingStart="1dp"
                 app:tabPaddingEnd="1dp">
 
@@ -54,14 +55,19 @@
             </android.support.design.widget.TabLayout>
 
         </android.support.v4.view.ViewPager>
-
     </LinearLayout>
 
     <FrameLayout
         android:id="@+id/overlay_fragment_container"
         android:layout_width="match_parent"
         android:layout_height="match_parent">
-
     </FrameLayout>
 
-</RelativeLayout>
+    <android.support.design.widget.FloatingActionButton
+        android:id="@+id/floating_btn"
+        android:layout_width="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:layout_margin="16dp"
+        android:layout_height="wrap_content"
+        app:srcCompat="@drawable/ic_create_24dp"/>
+</FrameLayout>

app/src/main/res/menu/main_toolbar.xml

@@ -3,12 +3,6 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
-    <item
-        android:id="@+id/action_compose"
-        android:title="@string/action_compose"
-        android:icon="@drawable/ic_compose"
-        app:showAsAction="always" />
-
     <item
         android:id="@+id/action_view_profile"
         android:title="@string/action_view_profile"