Android Open Source - ImageScanner Gallery Grid Activity

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Back to project page ImageScanner.

License

The source code is released under:

Apache License

Java Source Code

package com.example.imagescanner;
/*w  w  w .java  2s.  com*/
import java.util.ArrayList;

import android.app.Activity;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.GridView;
import android.widget.ImageView;

import com.atermenji.android.iconicdroid.icon.EntypoIcon;
import com.scanner.adapter.GalleryGridAdapter;
import com.scanner.beans.GridImageBean;
import com.scanner.utils.BitmapUtils;
import com.scanner.utils.ConstantsUtils;
import com.scanner.utils.ScannerUtils;
import com.scanner.utils.UIHelper;

public class GalleryGridActivity extends Activity implements OnClickListener {
  // PRIKDK
  private final static int REDIRECT_2_POST = 0;
  private final static int REDIREC_2_BACK = 1;
  private final static String TAG = "GalleryGridActivity";

  private GridView gridview;
  private ArrayList<GridImageBean> gdData;
  private GalleryGridAdapter adapter;
  private String chosenPath;

  private View backArea;
  private ImageView backIcon;
  private View postArea;
  private ImageView postIcon;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
    setContentView(R.layout.activity_gallery_grid);
    initValue();
    initUI();
  }

  public void initUI() {
    // TODO Auto-generated method stub
    backArea = findViewById(R.id.galleryGridBack);
    backIcon = (ImageView) findViewById(R.id.galleryGridBack_icon);
    postArea = findViewById(R.id.galleryGridOK);
    postIcon = (ImageView) findViewById(R.id.galleryGridOK_icon);
    BitmapUtils.setIconFont(this, backIcon, EntypoIcon.CHEVRON_THIN_LEFT,
        R.color.theme_color);
    BitmapUtils.setIconFont(this, postIcon, EntypoIcon.PLAY,
        R.color.theme_color);
    postArea.setVisibility(View.GONE);

    gridview = (GridView) findViewById(R.id.gallery_photo_gridview);
    adapter = new GalleryGridAdapter(this, gridview, gdData,
        R.layout.item_gd__gallery_photo);
    gridview.setAdapter(adapter);

    postArea.setOnClickListener(this);
    backArea.setOnClickListener(this);

    if (gdData.isEmpty())
      loadGdData();

  }

  public void initValue() {
    // TODO Auto-generated method stub

    gdData = new ArrayList<GridImageBean>();
    chosenPath = getIntent().getExtras().getString(
        ConstantsUtils.BUNDLE_FOLDER_PATH);
  }

  /**
   * load data of gridview
   * 
   * @param folderPath
   */
  public void loadGdData() {
    final Handler handler = new Handler() {

      @Override
      public void handleMessage(Message msg) {
        // TODO Auto-generated method stub
        if (msg.what == 1) {
          adapter.notifyDataSetChanged();
        }
      }

    };
    new Thread(new Runnable() {

      @Override
      public void run() {
        // TODO Auto-generated method stub
        ArrayList<String> tempList = ScannerUtils
            .getGalleryBitmapsIn_A_Folder(chosenPath);

        for (String bean : tempList) {
          gdData.add(new GridImageBean(bean, false));
        }

        Message msg = new Message();
        msg.what = 1;
        handler.sendMessage(msg);
      }
    }).start();
  }

  public void redirectTo(int dest) {
    // TODO Auto-generated method stub
    switch (dest) {
    case REDIREC_2_BACK:
      setResult(RESULT_CANCELED);
      finish();
      break;
    case REDIRECT_2_POST:
      String imgUrl = gdData.get(adapter.getChosenPosition()).getPath();
      Intent intent = new Intent();
      intent.putExtra(ConstantsUtils.BUNDLE_IMAGE_PATH_FROM_GRIDVIEW,
          imgUrl);
      setResult(RESULT_OK, intent);
      finish();
      break;
    default:
      break;
    }
  }

  @Override
  public void onClick(View v) {
    // TODO Auto-generated method stub

    if (v.getId() == R.id.galleryGridBack)
      redirectTo(REDIREC_2_BACK);

    if (v.getId() == R.id.galleryGridOK)

      redirectTo(REDIRECT_2_POST);

  }

  public void showOk() {
    UIHelper.crossfade(null, postArea);
  }
}

Java Source Code List

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