Android Open Source - SymptomManagement Patient_ Main_ Cursor Adapter

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License

The source code is released under:

Apache License

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Java Source Code

package com.android.capstone.patient;
//  w  w w. ja  v a 2 s  .  co  m
import com.android.capstone.BaseActivity;
import com.android.capstone.R;
import com.android.capstone.db.SymptomManagementContract.UserInfoEntry;
import com.android.capstone.task.GetUserImageTask;
import android.app.Activity;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.util.LruCache;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CursorAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class Patient_Main_CursorAdapter extends CursorAdapter {

  private LruCache<Long, Bitmap> imageCache;
    private BaseActivity activity;
  
  
  public static class ViewHolder {
        public final TextView tvName;
        public final ImageView imgUser;
        

        public ViewHolder(View view) {
          tvName = (TextView) view.findViewById(R.id.tv_doctorListItem);
          imgUser = (ImageView) view.findViewById(R.id.img_user);
        }
    }

  
  
  public Patient_Main_CursorAdapter(Activity activity, Cursor c, int flags) {
    super(activity.getApplicationContext(), c, flags);
    final int maxMemory = (int)(Runtime.getRuntime().maxMemory() /1024);
    final int cacheSize = maxMemory / 8;
    imageCache = new LruCache<>(cacheSize);
        this.activity = (BaseActivity) activity;
    
  }

  
  
  
  @Override
  public void bindView(View view, Context context, Cursor cursor) {
        
    ViewHolder viewHolder = (ViewHolder) view.getTag();
    Long userId = cursor.getLong(cursor.getColumnIndex(UserInfoEntry._ID));
    String firstName = cursor.getString(cursor.getColumnIndex(UserInfoEntry.COLUMN_FIRST_NAME));
    String lastName = cursor.getString(cursor.getColumnIndex(UserInfoEntry.COLUMN_LAST_NAME));
    String name = firstName + "  " + lastName;
    String pictureUrl = cursor.getString(cursor.getColumnIndex(UserInfoEntry.COLUMN_PICTURE_URL));
    viewHolder.tvName.setText(name);
    viewHolder.tvName.setTextColor(Color.GRAY);
    

    Bitmap bitmap = imageCache.get(userId);
    if(bitmap != null){
      viewHolder.imgUser.setImageBitmap(bitmap);
    
    }else{
      if(activity.isOnline()){
        new GetUserImageTask(userId, imageCache, viewHolder.imgUser).execute(pictureUrl);
      }
    }
    
    
  }

  
  
  
  @Override
  public View newView(Context context, Cursor cursor, ViewGroup parent) {
        View view = LayoutInflater.from(context).inflate(R.layout.doctor_list_item, parent, false);
        ViewHolder viewHolder = new ViewHolder(view);
        view.setTag(viewHolder);
    return view;

  }

}

Java Source Code List