Question

Coverview is a widget ive implemented from http://www.inter-fuser.com/2010/02/android-coverflow-widget-v2.html and it works until i want to use it .xml instead to add buttons and stuff. I have no idea how to link the two and any help would be really appreciated

My main activity:

package cover.flow.test;

import java.io.FileInputStream;

import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.LinearGradient;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.PorterDuffXfermode;
import android.graphics.Bitmap.Config;
import android.graphics.PorterDuff.Mode;
import android.graphics.Shader.TileMode;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ImageView.ScaleType;

 public class CoverFlowExampleActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);

 CoverFlow coverFlow;
 coverFlow = new CoverFlow(this);

 coverFlow.setAdapter(new ImageAdapter(this));

 ImageAdapter coverImageAdapter =  new ImageAdapter(this);

 //coverImageAdapter.createReflectedImages();

 coverFlow.setAdapter(coverImageAdapter);

 coverFlow.setSpacing(-25);
 coverFlow.setSelection(4, true);
 coverFlow.setAnimationDuration(1000);


 setContentView(coverFlow);

}

 public class ImageAdapter extends BaseAdapter {
 int mGalleryItemBackground;
 private Context mContext;

 private FileInputStream fis;

 private Integer[] mImageIds = {
   R.drawable.kasabian_kasabian,
         R.drawable.starssailor_silence_is_easy,
         R.drawable.killers_day_and_age,
         R.drawable.garbage_bleed_like_me,
         R.drawable.death_cub_for_cutie_the_photo_album,
         R.drawable.kasabian_kasabian,
         R.drawable.massive_attack_collected,
         R.drawable.muse_the_resistance,
         R.drawable.starssailor_silence_is_easy
 };

 private ImageView[] mImages;

 public ImageAdapter(Context c) {
  mContext = c;
  mImages = new ImageView[mImageIds.length];
 }
  public boolean createReflectedImages() {
      //The gap we want between the reflection and the original image
      final int reflectionGap = 4;


      int index = 0;
      for (int imageId : mImageIds) {
    Bitmap originalImage = BitmapFactory.decodeResource(getResources(), 
      imageId);
       int width = originalImage.getWidth();
       int height = originalImage.getHeight();


       //This will not scale but will flip on the Y axis
       Matrix matrix = new Matrix();
       matrix.preScale(1, -1);

       //Create a Bitmap with the flip matrix applied to it.
       //We only want the bottom half of the image
       Bitmap reflectionImage = Bitmap.createBitmap(originalImage, 0, height/2, width, height/2, matrix, false);


       //Create a new bitmap with same width but taller to fit reflection
       Bitmap bitmapWithReflection = Bitmap.createBitmap(width 
         , (height + height/2), Config.ARGB_8888);

      //Create a new Canvas with the bitmap that's big enough for
      //the image plus gap plus reflection
      Canvas canvas = new Canvas(bitmapWithReflection);
      //Draw in the original image
      canvas.drawBitmap(originalImage, 0, 0, null);
      //Draw in the gap
      Paint deafaultPaint = new Paint();
      canvas.drawRect(0, height, width, height + reflectionGap, deafaultPaint);
      //Draw in the reflection
      canvas.drawBitmap(reflectionImage,0, height + reflectionGap, null);

      //Create a shader that is a linear gradient that covers the reflection
      Paint paint = new Paint(); 
      LinearGradient shader = new LinearGradient(0, originalImage.getHeight(), 0, 
        bitmapWithReflection.getHeight() + reflectionGap, 0x70ffffff, 0x00ffffff, 
        TileMode.CLAMP); 
      //Set the paint to use this shader (linear gradient)
      paint.setShader(shader); 
      //Set the Transfer mode to be porter duff and destination in
      paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN)); 
      //Draw a rectangle using the paint with our linear gradient
      canvas.drawRect(0, height, width, 
        bitmapWithReflection.getHeight() + reflectionGap, paint); 

      ImageView imageView = new ImageView(mContext);
      imageView.setImageBitmap(bitmapWithReflection);
      imageView.setLayoutParams(new CoverFlow.LayoutParams(120, 180));
      imageView.setScaleType(ScaleType.MATRIX);
      mImages[index++] = imageView;

      }
   return true;
}

 public int getCount() {
     return mImageIds.length;
 }

 public Object getItem(int position) {
     return position;
 }

 public long getItemId(int position) {
     return position;
 }

 public View getView(int position, View convertView, ViewGroup parent) {

  //Use this code if you want to load from resources
     ImageView i = new ImageView(mContext);
     i.setImageResource(mImageIds[position]);
     i.setLayoutParams(new CoverFlow.LayoutParams(130, 130));
     i.setScaleType(ImageView.ScaleType.CENTER_INSIDE); 

     //Make sure we set anti-aliasing otherwise we get jaggies
     BitmapDrawable drawable = (BitmapDrawable) i.getDrawable();
     drawable.setAntiAlias(true);
     return i;

  //return mImages[position];
 }
   /** Returns the size (0.0f to 1.0f) of the views 
  * depending on the 'offset' to the center. */ 
  public float getScale(boolean focused, int offset) { 
    /* Formula: 1 / (2 ^ offset) */ 
      return Math.max(0, 1.0f / (float)Math.pow(2, Math.abs(offset))); 
   } 

 }
 }

My main.xml (this is what ive tries to link but with no luck)

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




<cover.flow.test.CoverFlow
    android:id="@+id/coverflow"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:layout_above="@+id/button1"
    android:layout_alignParentTop="true" />


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

Answer 1

To link with the view you need something like

setContentView(R.layout.main);

and remove the code creating the CoverFlow instance (instead get it with findViewById, etc.)