Android 100 Exercise 1

exercise-1-solution

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:weightSum="1">


    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:layout_marginBottom="10dp"
        android:layout_marginLeft="10dp"
        android:text="Please enter your information:"
        android:id="@+id/introLabel" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="First Name:"
        android:id="@+id/firstName"
        android:layout_below="@+id/introLabel"
        android:layout_alignLeft="@+id/introLabel"
        android:layout_marginBottom="10dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Last Name:"
        android:id="@+id/lastName"
        android:layout_below="@+id/firstName"
        android:layout_alignLeft="@+id/firstName"
        android:layout_marginBottom="10dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Address:"
        android:id="@+id/address"
        android:layout_below="@+id/lastName"
        android:layout_alignLeft="@+id/lastName"
        android:layout_marginBottom="10dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="City"
        android:id="@+id/city"
        android:layout_below="@+id/address"
        android:layout_alignLeft="@+id/address"
        android:layout_marginBottom="10dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="State:"
        android:id="@+id/state"
        android:layout_below="@+id/city"
        android:layout_alignLeft="@+id/city"
        android:layout_marginBottom="10dp"
        android:layout_marginTop="10dp" />

    <EditText
        android:layout_width="200dp"
        android:layout_height="wrap_content"
        android:id="@+id/editFirstName"
        android:layout_below="@+id/introLabel"
        android:layout_toRightOf="@+id/firstName"
        android:layout_marginLeft="25dp" />

    <EditText
        android:layout_width="200dp"
        android:layout_height="wrap_content"
        android:id="@+id/editLastName"
        android:layout_above="@+id/address"
        android:layout_alignLeft="@+id/editFirstName" />

    <EditText
        android:layout_width="200dp"
        android:layout_height="wrap_content"
        android:id="@+id/editAddress"
        android:layout_below="@+id/editLastName"
        android:layout_alignLeft="@+id/editLastName" />

    <EditText
        android:layout_width="200dp"
        android:layout_height="wrap_content"
        android:id="@+id/editCity"
        android:layout_below="@+id/address"
        android:layout_alignLeft="@+id/editAddress" />

    <EditText
        android:layout_width="200dp"
        android:layout_height="wrap_content"
        android:id="@+id/editState"
        android:layout_below="@+id/editCity"
        android:layout_alignLeft="@+id/editCity" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Save"
        android:id="@+id/saveButton"
        android:layout_below="@+id/editState"
        android:layout_alignRight="@+id/editState" />

</RelativeLayout>

show-user-data

    public void showUserData(View view) {

        EditText firstName = (EditText) findViewById(R.id.editFirstName);
        EditText lastName = (EditText) findViewById(R.id.editLastName);
        EditText address = (EditText) findViewById(R.id.editAddress);
        EditText city = (EditText) findViewById(R.id.editCity);
        EditText state = (EditText) findViewById(R.id.editState);

        TextView yourInfo = (TextView) findViewById(R.id.yourInfo);
        yourInfo.setText("Your name is " + firstName.getText() + " " + lastName.getText() + "\nYou live at " + address.getText() + " " + city.getText() + " " + state.getText());

    }