Android Open Source - android-camera-api Camera Custom Gallery Activity

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License

The source code is released under:

This is free and unencumbered software released into the public domain. Anyone is free to copy, modify, publish, use, compile, sell, or distribute this software, either in source code form or as a co...

Java Source Code

package com.tanukiteam.camera;
// ww w.j a  v a  2  s .c  o  m
import com.tanukiteam.camera.CameraAPIActivity.Mode;
import com.tanukiteam.camera.widget.CancelButton;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.Toast;
 
public class CameraCustomGalleryActivity extends Activity {
    private int count;
    private Bitmap[] thumbnails;
    private boolean[] thumbnailsselection;
    private String[] arrPath;
    private ImageAdapter imageAdapter;
    public static ImageView imgView;
    private Uri u;
    private CancelButton btnCancel;
    private Mode status;
    
  
  /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //Get the status
      Intent intent = getIntent();
      status = (Mode) intent.getExtras().get("status");
        
        setContentView(R.layout.gallery);
        btnCancel = (CancelButton)findViewById(R.id.btnCancel);
        btnCancel.setOnClickListener(new View.OnClickListener() {
          @Override
          public void onClick(View v) {
            cancelFunction();
          }
      });
        
        imgView = new ImageView(this);
        final String[] columns = { MediaStore.Images.Media.DATA, MediaStore.Images.Media._ID };
        final String orderBy = MediaStore.Images.Media._ID;
        Cursor imagecursor = managedQuery(
                MediaStore.Images.Media.EXTERNAL_CONTENT_URI, columns, null,
                null, orderBy);
        int image_column_index = imagecursor.getColumnIndex(MediaStore.Images.Media._ID);
        this.count = imagecursor.getCount();
        this.thumbnails = new Bitmap[this.count];
        this.arrPath = new String[this.count];
        this.thumbnailsselection = new boolean[this.count];
        for (int i = 0; i < this.count; i++) {
            imagecursor.moveToPosition(i);
            int id = imagecursor.getInt(image_column_index);
            int dataColumnIndex = imagecursor.getColumnIndex(MediaStore.Images.Media.DATA);
            thumbnails[i] = MediaStore.Images.Thumbnails.getThumbnail(
                    getApplicationContext().getContentResolver(), id,
                    MediaStore.Images.Thumbnails.MICRO_KIND, null);
            arrPath[i]= imagecursor.getString(dataColumnIndex);
        }
        GridView imagegrid = (GridView) findViewById(R.id.PhoneImageGrid);
        imageAdapter = new ImageAdapter();
        imagegrid.setAdapter(imageAdapter);
        imagecursor.close();
 
        final Button selectBtn = (Button) findViewById(R.id.btnPhotos);
        
        selectBtn.setOnClickListener(new OnClickListener() {
 
            public void onClick(View v) {
                final int len = thumbnailsselection.length;
                int cnt = 0;
                String selectImages = "";
                for (int i =0; i<len; i++)
                {
                    if (thumbnailsselection[i]){
                        cnt++;
                        selectImages = selectImages + arrPath[i] + "|";
                    }
                }
                if (cnt == 0){
                    Toast.makeText(getApplicationContext(),
                            "Please select at least one image",
                            Toast.LENGTH_LONG).show();
                } else {
                    Toast.makeText(getApplicationContext(),
                            "You've selected Total " + cnt + " image(s).",
                            Toast.LENGTH_LONG).show();
                    Log.d("SelectedImages", selectImages);
                }
            }
        });
    }
 
    /**
     * Adapter class 
     */
    public class ImageAdapter extends BaseAdapter {
        private LayoutInflater mInflater;
 
        public ImageAdapter() {
            mInflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        }
 
        public int getCount() {
            return count;
        }
 
        public Object getItem(int position) {
            return position;
        }
 
        public long getItemId(int position) {
            return position;
        }
 
        public View getView(final int position, View convertView, ViewGroup parent) {
            ViewHolder holder;
            if (convertView == null) {
                holder = new ViewHolder();
                convertView = mInflater.inflate(R.layout.galleryitem, null);
                holder.imageview = (ImageView) convertView.findViewById(R.id.thumbImage);
                convertView.setTag(holder);
            }
            else {
                holder = (ViewHolder) convertView.getTag();
            }
            holder.imageview.setId(position);
            
            /**
             * When the user clicks on an image this comes back to the CameraAPIActivity
             * and the picture selected will be displayed
             */
            holder.imageview.setOnClickListener(new OnClickListener() {
                public void onClick(View v) {
                    int id = v.getId();
                    Intent intent = new Intent();
                    intent.setAction(Intent.ACTION_VIEW);
                    intent.setDataAndType(Uri.parse("file://" + arrPath[id]), "image/*");
                     u = intent.getData();
                    goBackActivity(arrPath[id]);
                }
            });
            holder.imageview.setImageBitmap(thumbnails[position]);
            holder.id = position;
            return convertView;
        }
    }
    
    /**
     * @author ajuarez@tanukiteam.com
     * Inner class
     */
    class ViewHolder {
        ImageView imageview;
        int id;
    }
    
    /**
     * @author ajuarez@tanukiteam.com
     * @return void
     * @param String
     * This method goes back to the CameraAPIActivity activity 
     * sending the selected picture.
     */
    private void goBackActivity(String s){
      Intent intent = new Intent(this,CameraAPIActivity.class);  
        intent.putExtra("picture",s);
        startActivity(intent);
        this.finish();
    }
    
    /**
     * @author ajuarez@tanukiteam.com
     * @return void
     * This method goes back to the CameraAPIActivity activity.
     */
    private void cancelFunction(){
      Intent intent = new Intent(this,CameraAPIActivity.class);  
      intent.putExtra("status",status);
        startActivity(intent);
        this.finish();
    }
}

Java Source Code List

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