Android Open Source - vlcamera Stamp Choose Activity Helper

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Back to project page vlcamera.
License

The source code is released under:
Apache License
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Java Source Code

package com.ktmt.vlcamera.activities.helper;
// ww w .  j a  va 2  s .  com
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;

import com.ktmt.vlcamera.R;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.res.AssetManager;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;

import com.ktmt.vlcamera.activities.StampChooseActivity;
import com.ktmt.vlcamera.common.vlCameraConstant;
import com.ktmt.vlcamera.custom.ImageViewNameMap;

public class StampChooseActivityHelper {
  private final String TAG = "StampChooseActivityHelper";
  private AssetManager assMngr;
  private ArrayList<String> stampTabFolderList = new ArrayList<String>();
  private Context mContext;
  private int mCurrentTabIndex;

  public StampChooseActivityHelper(Context ctx) {
    mCurrentTabIndex = -1;
    mContext = ctx;
  }

  // inflate data to view
  @SuppressLint("UseSparseArrays")
  public void inflateView() {
    StampChooseActivity act = (StampChooseActivity) mContext;
    try {
      assMngr = act.getAssets();
      String[] folders = assMngr.list(vlCameraConstant.STAMP_FOLDER);
      for (String f : folders) {
        inflateStampTabView(f);
        stampTabFolderList.add(f);
      }

    } catch (IOException e) {
      Log.v(TAG, "can not inflate asset to view");
      e.printStackTrace();
    }

  }

  // invalidate list when switch tab
  public void switchStampTab(View clickView) {
    StampChooseActivity act = (StampChooseActivity) mContext;
    int index = act.getStampTab().indexOfChild((View) clickView.getParent());
    mCurrentTabIndex = index;
    String folder = stampTabFolderList.get(index);
    try {
      inflateStampListView(folder);
    } catch (IOException e) {
      Log.v(TAG, "can not inflate asset to view");
      e.printStackTrace();
    }
    return;

  }

  /**
   * utils stuffs
   * 
   * @throws IOException
   **/
  private void inflateStampListView(String folderName) throws IOException {
    StampChooseActivity act = (StampChooseActivity) mContext;
    String folderExpandPath = vlCameraConstant.STAMP_FOLDER + "/" + folderName;
    String[] files = assMngr.list(folderExpandPath);

    act.getStampList().removeAllViews();

    for (int i = 0; i < files.length - 1; i++) {
      if (!files[i].matches("icon.*")) {
        View row = act.getLayoutInflater().inflate(R.layout.row_stamp_list, null);
        ImageViewNameMap image1 = (ImageViewNameMap) row.findViewById(R.id.stamp_view_row1);
        ImageViewNameMap image2 = (ImageViewNameMap) row.findViewById(R.id.stamp_view_row2);

        InputStream inputStream = assMngr
            .open(folderExpandPath + File.separator + files[i]);
        Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
        image1.setImageBitmap(bitmap);
        image1.setOnClickListener(act);
        image1.setName(files[i]);
        inputStream.close();

        if (i < files.length - 2) {
          i++;
          inputStream = assMngr.open(folderExpandPath + File.separator + files[i]);
          bitmap = BitmapFactory.decodeStream(inputStream);
          image2.setImageBitmap(bitmap);
          image2.setOnClickListener(act);
          image2.setName(files[i]);
          inputStream.close();
        }

        act.getStampList().addView(row);
        act.getStampList().invalidate();
      }
    }

  }

  // process a stamp folder (add icon to tab, add list)
  private void inflateStampTabView(String folderName) throws IOException {
    StampChooseActivity act = (StampChooseActivity) mContext;
    String folderExpandPath = vlCameraConstant.STAMP_FOLDER + File.separator + folderName;

    String[] files = assMngr.list(folderExpandPath);
    for (String file : files) {
      if (file.matches("icon.*")) {
        View item = act.getLayoutInflater().inflate(R.layout.item_stamp_tab, null);
        ImageView iconView = (ImageView) item.findViewById(R.id.stamp_icon);
        InputStream inputStream = assMngr.open(folderExpandPath + "/" + file);
        Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
        inputStream.close();

        iconView.setImageBitmap(bitmap);
        iconView.setOnClickListener(act);

        act.getStampTab().addView(item);
      }
    }
  }

  /* get/set stuffs */
  public int getmCurrentTabIndex() {
    return mCurrentTabIndex;
  }

  public void setmCurrentTabIndex(int mCurrentTabIndex) {
    this.mCurrentTabIndex = mCurrentTabIndex;
  }

  public static int convertNameToColor(String name) {
    name = name.substring(0, name.lastIndexOf('.'));
    return Color.parseColor(name);
  }
}
Java Source Code List
