<TextView
    android:id="@+id/mEditableText"
    android:layout_width="280dp"
    android:layout_height="0dp"
    android:layout_gravity="center"
    android:layout_marginTop="80dp"
    android:layout_weight="3"
    android:gravity="bottom"
    android:fontFamily="cursive"
    android:text="pressione o n EDITAR ESCOLHAS"
    android:textAlignment="center"
    android:textColor="#000000"
    android:textSize="30dp"
    android:textStyle="bold" />


<Button
    android:id="@+id/mDecideBTNMain"
    android:layout_width="250dp"
    android:layout_height="0dp"
    android:layout_gravity="center"
    android:layout_marginTop="20dp"
    android:layout_marginBottom="20dp"
    android:layout_weight="1.8"
    android:background="#00008B"
    android:text="decidir"
    android:textColor="#FFFFFF"
    android:textSize="45dp" />

<Button
    android:id="@+id/mEditChoicesBTNMain"
    android:onClick="GoToEditChoices"
    android:layout_width="250dp"
    android:layout_height="0dp"
    android:layout_gravity="center_horizontal"
    android:layout_marginTop="35dp"
    android:layout_marginBottom="80dp"
    android:layout_weight="2.5"
    android:background="#00008B"
    android:text="Editar escolhas"
    android:textColor="#FFFFFF"
    android:textSize="35dp"
    android:textStyle="bold" />


</LinearLayout>



<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".EditChoices">

<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="0dp"
    android:layout_marginTop="60dp"
    android:orientation="horizontal"
    android:layout_weight="1.2">

    <EditText
        android:id="@+id/mAddItemTextEC"
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="6"
        android:inputType="text"/>

    <Button
        android:id="@+id/mAddItemButtonEC"
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="4"
        android:background="#00008B"
        android:text="adicionar"
        android:textColor="#FFFFFF"
        android:textSize="25dp"

        />

</LinearLayout>

<!--<LinearLayout-->
    <!--android:layout_width="match_parent"-->
    <!--android:layout_height="0dp"-->
    <!--android:layout_marginTop="50dp"-->
    <!--android:layout_weight="4">-->

    <ListView
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="5"
        android:id="@+id/mListViewEC">

    </ListView>

<!--</LinearLayout>-->

</LinearLayout>

public class EditChoices extends AppCompatActivity {


List <String> AvailableChoices = new ArrayList<String>();


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_edit_choices);

    Button AddItemsButton = (Button) findViewById(R.id.mAddItemButtonEC);
    ListView listview = (ListView) findViewById(R.id.mListViewEC);
    final EditText NameofChoices = (EditText) findViewById(R.id.mAddItemTextEC);





    AddItemsButton.setOnClickListener(new View.OnClickListener() {

    @Override
    public void onClick(View v) {



        if(ValidateText(NameofChoices.getText().toString())){
            AvailableChoices.add(NameofChoices.getText().toString());
        }
    }
});



}

public boolean ValidateText(String text){
    boolean TextValid = false;
    if(!TextEmpty(text)){
        if(!TextDuplicated(text)) {
            TextValid = true;
        }
    }
    return TextValid;
}

public boolean TextEmpty(String text){
    boolean TextEmpty = false;
    if((text == "")  || (text == " ")){
        TextEmpty = true;
    }

    return TextEmpty;
}

public boolean TextDuplicated(String text){
    boolean TextDuplicated = false;
    for(String choice : AvailableChoices){
        if(text == choice){
            TextDuplicated = true;
        }
    }

    return TextDuplicated;
}

public class EditChoicesTest {

EditChoices editchoices = new EditChoices();

@Test
public void validateText() {
    boolean b = editchoices.ValidateText(" ");
    assertEquals(b,false);

}

@Test
public void textEmpty() {

   boolean i =  !(editchoices.TextEmpty(""));
    assertEquals(i,false);
}

@Test
public void textDuplicated() {

    boolean w = editchoices.TextDuplicated("l");
    boolean q = editchoices.TextDuplicated("l");

    assertEquals(w,false);
    assertEquals(q,false);


}
}