不要在Android应用程序中更改布局

Question

I changed in eclipse background of layout and added new view (button).

I started my application but in emulator nothing changed!

What can I make? Mayby it's an Eclipse bug?

Answer 1

I downloaded this project from internet. Initially it had black background. I added new View - all was OK. But after I started changed background - and appeared this bugs

XML:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="@android:color/white"
    android:orientation="vertical" >

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Button" />

    <EditText
        android:id="@+id/txtInd"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:ems="10" >

        <requestFocus />
    </EditText>

 <ListView 
    android:id="@android:id/list"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">
    </ListView>

</LinearLayout>

Answer 2

Whenever you want to test the app again, DO NOT click on your app's icon in the emulator. However, select your project, and click on

IF this doesn't work. Try cleaning your project from : Project >>> Clean