[android-developers] Image scaled, scroll, zoom, without margin

Hi,

A very easy thing, I thought.

Have an image : exp1.png, which I want to fit the screen in landscape or portrait, and wish that the user can scroll this image.

Tell me please, if I do that correctly :

1. I did copy different resolution in xhdpi (1024x....) hdpi(640x....) and ldpi,mdpi(480x...)

---->first warning/error : 

2. Have a Layout like this :

<ScrollView android:id="@+id/scrollView1"

android:layout_width="fill_parent" android:layout_height="fill_parent"

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

<ImageView android:id="@+id/exp1_image" android:src="@drawable/exp1"

android:layout_width="fill_parent" android:layout_height="fill_parent"

android:scaleType="centerInside" />

</ScrollView>

3. Have a class like this:

public class ImageActivity extends Activity {

    /** Called when the activity is first created. */

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        ImageView image = (ImageView) findViewById(R.id.exp1_image);

    }

}

a. In portrait mode I have "margin" up and down (black screen), the image does not fit the screen. I don't know hot to set the title of the image (Image).

b. In landscape mode : the image is centered and not scaled, I have margin left and right

I cant zoom in the image. Scrolling is very good

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