<?xml version="1.0" encoding="utf-8"?>

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

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="horizontal" >

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:background="#ff0000"

        android:text="第一个"/>

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:background="#0000ff"

        android:text="第二个"/>

</LinearLayout>

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        //setContentView(R.layout.activity_main);

        setContentView(R.layout.first_layout);