<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical"
              android:layout_width="match_parent"
              android:layout_height="match_parent">
    <Button
            android:id="@+id/btnSubmit2"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:onClick="allTask"
            android:text="@string/submit_all_task"
            android:textColor="@android:color/white" />

    <Button
            android:id="@+id/btnSubmit"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:onClick="taskCollection"
            android:text="@string/submit_task_collection"
            android:textColor="@android:color/white" />

    <FrameLayout android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:id="@+id/content_frame">

    </FrameLayout>
</LinearLayout>