test

<LinearLayout
    android:orientation="horizontal"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_weight="0">

    <ImageView
        android:layout_width="107dp"
        android:layout_height="93dp"
        android:id="@+id/Fit_logo"
        android:src="@drawable/fitapp_gray"
        android:layout_marginLeft="30dp" />

    <LinearLayout
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="30dp">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceSmall"
            android:text="Current time"
            android:id="@+id/CurrentTime"
            android:layout_gravity="center_horizontal" />

        <TextClock
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/time"
            android:layout_gravity="center_horizontal"
            android:textSize="25sp"
            android:textColor="#ffffff" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="Degree"
            android:id="@+id/degree"
            android:layout_gravity="center_horizontal" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:text="City"
            android:id="@+id/city"
            android:layout_gravity="center_horizontal" />
    </LinearLayout>

</LinearLayout>

<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@android:color/white"
    android:orientation="vertical"
    android:layout_weight="1"
    android:layout_marginBottom="100dp"
    android:layout_gravity="center">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceSmall"
        android:text="Duration"
        android:id="@+id/duration"
        android:gravity="center_horizontal"
        android:layout_marginTop="10dp" />

    <Chronometer
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/chronometer"
        android:layout_gravity="center_horizontal"
        android:textSize="30sp" />

    <LinearLayout
        android:orientation="horizontal"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_gravity="center">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceSmall"
            android:text="Calories"
            android:id="@+id/calories"
            android:layout_weight="1"
            android:gravity="center"
            android:layout_marginTop="50dp" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceSmall"
            android:text="Steps"
            android:id="@+id/steps"
            android:layout_weight="1"
            android:gravity="center"
            android:layout_marginTop="50dp" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textAppearance="?android:attr/textAppearanceSmall"
            android:text="Distance"
            android:id="@+id/distance"
            android:layout_weight="1"
            android:gravity="center"
            android:layout_marginTop="50dp" />
    </LinearLayout>

</LinearLayout>

<LinearLayout
    android:orientation="horizontal"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:gravity="center_vertical|center|center_horizontal">

    <ImageButton
        android:layout_width="100dip"
        android:layout_height="100dip"
        android:id="@+id/btnStart"
        android:background="@drawable/startbutton"
        android:clickable="true"
        android:layout_marginBottom="70dp"
        android:layout_gravity="bottom|center_horizontal" />

    <Space
        android:layout_width="100dp"
        android:layout_height="wrap_content" />

    <ImageButton
        android:layout_width="100dip"
        android:layout_height="100dip"
        android:id="@+id/btnStop"
        android:background="@drawable/stopbutton"
        android:clickable="true"
        android:layout_marginBottom="70dp"
        android:layout_gravity="bottom|center_horizontal" />
</LinearLayout>

</LinearLayout>