AppINSS

xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:id="@+id/LinearLayout1"

    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="br.com.android.AppSalario" >

    <TextView

        android:id="@+id/textView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Digite seu salário (R$)" />

    <EditText

        android:id="@+id/edsalario"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:layout_marginTop="26dp"

        android:ems="10" >

        <requestFocus />

    </EditText>

    <TextView

        android:id="@+id/textView2"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_marginTop="62dp"

        android:text="Escolha o percentual de desconto" />

    <RadioGroup

        android:id="@+id/rgopcoes"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content" >

        <RadioButton

            android:id="@+id/rd8"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:checked="true"

            android:text="8% (até R$ 1.556,94)" />

        <RadioButton

           android:id="@+id/rd9"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="9%(de R$ 1.556,95 a R$ 2.594,92)" />

        <RadioButton

                        android:id="@+id/rd11"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="11%(de R$ 2.594,93 a R$ 5.189,82)" />

    </RadioGroup>

    <Button

        android:id="@+id/btcalcular"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:text="Calcular" />

</LinearLayout>