Responsive Design In Front Page(landscape mode added)

app/src/main/java/com/codingblocks/attendancetracker/FontsOverride.java

@@ -9,6 +9,8 @@
 import android.content.Context;
 import android.graphics.Paint;
 import android.graphics.Typeface;
+import android.os.Build;
+import android.support.annotation.RequiresApi;
 import android.support.v4.util.LruCache;
 import android.text.Spannable;
 import android.text.SpannableString;
@@ -31,6 +33,7 @@ public class FontsOverride {
 
     public static final String FONT_PROXIMA_NOVA = "ProximaNova.ttf";
 
+    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
     public static void applyFontForToolbarTitle(Activity act, String fontName, Window window){
 
         ActionBar ab = act.getActionBar();

app/src/main/java/com/codingblocks/attendancetracker/ListOfAbsentPresentStudentsActivity.java

@@ -1,6 +1,8 @@
 package com.codingblocks.attendancetracker;
 
 import android.content.Intent;
+import android.os.Build;
+import android.support.annotation.RequiresApi;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.support.v7.widget.LinearLayoutManager;
@@ -25,6 +27,7 @@ public class ListOfAbsentPresentStudentsActivity extends AppCompatActivity {
     private PresentAdapter presentAdapter;
     private AbsentAdapter absentAdapter;
 
+    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

app/src/main/java/com/codingblocks/attendancetracker/MainActivity.java

@@ -2,8 +2,10 @@
 
 import android.content.Intent;
 import android.graphics.Color;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
+import android.support.annotation.RequiresApi;
 import android.support.design.widget.FloatingActionButton;
 import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
@@ -14,6 +16,7 @@
 import android.widget.BaseAdapter;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
+import android.widget.RelativeLayout;
 import android.widget.TextView;
 import android.widget.Toast;
 
@@ -35,7 +38,7 @@ public class MainActivity extends AppCompatActivity {
     private String selectedBatch;
     private MyAdapter myAdapter;
 
-    private LinearLayout background;
+    private RelativeLayout background;
 
     private ArrayList<Student> students;
 
@@ -52,6 +55,7 @@ public void run() {
         }
     };
 
+    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -70,7 +74,7 @@ protected void onCreate(Bundle savedInstanceState) {
 
     private void initViews() {
         cardStack = (SwipeDeck) findViewById(R.id.swipe_deck);
-        background = (LinearLayout) findViewById(R.id.activity_main);
+        background = (RelativeLayout) findViewById(R.id.activity_main);
         spinner = (CustomSpinner) findViewById(R.id.spinner_batch);
         coursebutton = (FloatingActionButton) findViewById(R.id.create_course_button);
         coursebutton.setOnClickListener(new View.OnClickListener() {
@@ -123,6 +127,7 @@ private void setupEventListener() {
         cardStack.setEventCallback(new SwipeDeck.SwipeEventCallback() {
             @Override
             public void cardSwipedLeft(int position) {
+                //Absent
                 background.setBackgroundColor(Color.RED);
                 handler.postDelayed(run, 200);
                 absentIds.add(students.get(position).getUniqueId());
@@ -131,7 +136,7 @@ public void cardSwipedLeft(int position) {
 
             @Override
             public void cardSwipedRight(int position) {
-                //present
+                //Present
                 background.setBackgroundColor(Color.GREEN);
                 handler.postDelayed(run, 200);
                 presentIds.add(students.get(position).getUniqueId());

app/src/main/java/com/codingblocks/attendancetracker/models/Batch.java

@@ -16,10 +16,9 @@ public static ArrayList<String> getDummyBatches() {
         batches.add("Crux");
         batches.add("Pandora");
         batches.add("Launchpad");
-
         batches.add("Elixir");
-
         batches.add("Django");
+
         return batches;
 
     }

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

@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/activity_main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+
+    android:paddingTop="@dimen/activity_vertical_margin"
+    tools:context="com.codingblocks.attendancetracker.MainActivity">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+       android:layout_centerHorizontal="true"
+        android:text="@string/swipe_left_present_right_absent"
+        android:textAppearance="@style/Base.TextAppearance.AppCompat.Title" />
+
+    <RelativeLayout
+        android:layout_marginTop="20dp"
+        android:layout_marginLeft="20dp"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+    <com.piotrek.customspinner.CustomSpinner
+        android:id="@+id/spinner_batch"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        />
+
+    </RelativeLayout>
+
+    <com.daprlabs.cardstack.SwipeFrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:swipedeck="http://schemas.android.com/apk/res-auto"
+        android:layout_width="200dp"
+        android:layout_height="200dp"
+        android:layout_centerInParent="true"
+        android:orientation="vertical">
+
+        <com.daprlabs.cardstack.SwipeDeck
+            android:id="@+id/swipe_deck"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:padding="20dp"
+            swipedeck:card_gravity="top"
+            swipedeck:card_spacing="10dp"
+            swipedeck:max_visible="3"
+            swipedeck:render_above="true"
+            swipedeck:rotation_degrees="10" />
+
+    </com.daprlabs.cardstack.SwipeFrameLayout>
+
+    <android.support.design.widget.FloatingActionButton
+        android:id="@+id/create_course_button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentRight="true"
+        android:layout_margin="10dp"
+        android:src="@drawable/ic_add"
+        app:fabSize="normal" />
+
+</RelativeLayout>

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

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/activity_main"
@@ -14,13 +14,15 @@
     tools:context="com.codingblocks.attendancetracker.MainActivity">
 
     <TextView
+        android:id="@+id/onetx"
+        android:layout_centerHorizontal="true"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_gravity="center"
         android:text="@string/swipe_left_present_right_absent"
         android:textAppearance="@style/Base.TextAppearance.AppCompat.Title" />
 
-    <LinearLayout
+    <RelativeLayout
+        android:layout_below="@id/onetx"
         android:layout_width="match_parent"
         android:layout_height="wrap_content">
 
@@ -30,20 +32,20 @@
         android:layout_height="wrap_content"
         android:layout_marginTop="20dp" />
 
-    </LinearLayout>
+    </RelativeLayout>
 
     <com.daprlabs.cardstack.SwipeFrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:swipedeck="http://schemas.android.com/apk/res-auto"
         android:layout_width="300dp"
         android:layout_height="300dp"
+        android:layout_centerInParent="true"
         android:layout_gravity="center"
         android:orientation="vertical">
 
         <com.daprlabs.cardstack.SwipeDeck
             android:id="@+id/swipe_deck"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_gravity="center"
             android:padding="20dp"
             swipedeck:card_gravity="top"
             swipedeck:card_spacing="10dp"
@@ -57,8 +59,10 @@
         android:id="@+id/create_course_button"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_gravity="bottom|end"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentRight="true"
+        android:layout_margin="16dp"
         android:src="@drawable/ic_add"
         app:fabSize="normal" />
 
-</LinearLayout>
+</RelativeLayout>

build.gradle

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.1'
+        classpath 'com.android.tools.build:gradle:2.3.3'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files