Image en mode plein écran

Question

J'ai créé une application dans laquelle les images sont affichées sur la grille, je veux quand je clique sur une image particulière, elle s'affiche en plein écran sur la page suivante.

J'ai un code d'écriture, mais lorsque je clique sur l'image, elle plante.

S'il vous plaît quelqu'un me aider

public class GridViewActivity extends Activity {   

    public void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.main); 

     GridView gridview = (GridView) findViewById(R.id.gridview); 
     gridview.setAdapter(new ImageAdapter(this)); 

     gridview.setOnItemClickListener(new OnItemClickListener() { 

      public void onItemClick(AdapterView<?> parent, View v, int position, long id) { 

       long imageId = (Long) parent.getAdapter().getItem(position); 

       Intent fullScreenIntent = new Intent(v.getContext(),FullScreenImage.class); 

       fullScreenIntent.putExtra("Hello",imageId); 

       startActivity(fullScreenIntent); 

      } 
     }); 


     /* gridview.setOnItemClickListener(new OnItemClickListener() { 
      public void onItemClick(AdapterView<?> parent, View v, int position, long id) { 
       Toast.makeText(GridViewActivity.this, "" + position, Toast.LENGTH_SHORT).show(); 
      } 
     });*/ 
    } 

    public class ImageAdapter extends BaseAdapter { 
     private Context mContext; 

     public ImageAdapter(Context c) { 
      mContext = c; 
     } 

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

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

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

     // create a new ImageView for each item referenced by the Adapter 

     public View getView(int position, View convertView, ViewGroup parent) { 
      ImageView imageView; 
      if (convertView == null) { // if it's not recycled, initialize some attributes 
       imageView = new ImageView(mContext); 
       imageView.setLayoutParams(new GridView.LayoutParams(85, 85)); 
       imageView.setScaleType(ImageView.ScaleType.CENTER_CROP); 
       imageView.setPadding(8, 8, 8, 8); 
      } else { 
       imageView = (ImageView) convertView; 
      } 

      imageView.setImageResource(images[position]); 
      return imageView; 
     } 

     // references to our images 
     private Integer[] images = { 
       R.drawable.bluehills, R.drawable.sample_3, 
       R.drawable.sample_7, R.drawable.sunset, 
       R.drawable.waterlilies, R.drawable.winter, 

     }; 
    } 
} 

Answer 1

S'il vous plaît essayer ce code

package com.image; 

import android.app.Activity; 
import android.content.Context; 
import android.content.res.TypedArray; 
import android.os.Bundle; 
import android.view.View; 
import android.view.ViewGroup; 
import android.view.WindowManager; 
import android.widget.AdapterView; 
import android.widget.BaseAdapter; 
import android.widget.Gallery; 
import android.widget.ImageView; 
import android.widget.Toast; 
import android.widget.AdapterView.OnItemClickListener; 

public class ImageActivity extends Activity { 
/** Called when the activity is first created. */ 
Integer[] mImageIds = { R.drawable.a, R.drawable.abc, 
     R.drawable.fd, R.drawable.ft, R.drawable.gh, R.drawable.nat 

}; 
ImageView im; 
@Override 
public void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.main); 

    Gallery g = (Gallery) findViewById(R.id.gallery1); 
    im = (ImageView) findViewById(R.id.imageView1); 


    g.setAdapter(new ImageAdapter(this)); 

    getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN); 
    g.setOnItemClickListener(new OnItemClickListener() { 
     public void onItemClick(AdapterView<?> parent, View v, int position,long id) { 
      Toast.makeText(ImageActivity.this, "" + position,Toast.LENGTH_SHORT).show(); 
      im.setImageResource(mImageIds[position]);        
     } 
    });  
} 

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

    public ImageAdapter(Context c) { 
     mContext = c; 
     TypedArray a = obtainStyledAttributes(R.styleable.HelloGallery); 
     mGalleryItemBackground = a.getResourceId(R.styleable.HelloGallery_android_galleryItemBackground, 0); 
     a.recycle(); 
    } 

    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) { 
     // TODO Auto-generated method stub 
     ImageView i = new ImageView(mContext); 
     i.setImageResource(mImageIds[position]); 
     i.setLayoutParams(new Gallery.LayoutParams(150, 100)); 
     i.setScaleType(ImageView.ScaleType.FIT_XY); 
     i.setBackgroundResource(mGalleryItemBackground); 
     i.bringToFront(); 
     return i; 
    } 
} 
}