ProcessAdapter.java

package cn.edu.buaa.act.sdp.malwaredetector.adapter;

import android.app.ActivityManager;
import android.content.Context;
import android.content.pm.PackageManager;
import android.graphics.drawable.Drawable;
import android.os.Debug;
import android.os.SystemClock;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import java.util.List;

import cn.edu.buaa.act.sdp.malwaredetector.R;

/**
 * Created by yaodh on 2014/11/20.
 */
public class ProcessAdapter extends RecyclerView.Adapter<ProcessAdapter.ViewHolder> {
    private Context context;
    private List<ActivityManager.RunningAppProcessInfo> list;

    public ProcessAdapter(Context context, List<ActivityManager.RunningAppProcessInfo> list) {
        this.context = context;
        this.list = list;
    }

    @Override
    public ProcessAdapter.ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
        View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.applist_item, viewGroup, false);
        ViewHolder viewHolder = new ViewHolder(view);
        return viewHolder;
    }

    @Override
    public void onBindViewHolder(ProcessAdapter.ViewHolder viewHolder, int i) {
        final ActivityManager.RunningAppProcessInfo entity = list.get(i);
        PackageManager pm = context.getPackageManager();
        ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        Debug.MemoryInfo[] memoryInfos = activityManager.getProcessMemoryInfo(new int[]{entity.pid});
        int memSize = memoryInfos[0].dalvikPrivateDirty;
        viewHolder.tvAppSize.setText(String.format("%.1f MB", memSize / 1024.0));
        try {
            Drawable icon = pm.getApplicationIcon(entity.pkgList[0]);
            viewHolder.ivAppIcon.setImageDrawable(icon);
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
            viewHolder.ivAppIcon.setImageDrawable(context.getResources().getDrawable(R.drawable.ic_launcher));
        }
        viewHolder.tvAppName.setText(entity.processName);
        viewHolder.tvAppVersion.setText("" + entity.pid);
    }

    @Override
    public int getItemCount() {
        return list.size();
    }

    public class ViewHolder extends RecyclerView.ViewHolder {
        public ImageView ivAppIcon;
        public TextView tvAppName;
        public TextView tvAppDate;
        public TextView tvAppVersion;
        public TextView tvAppSize;
        public View itemView;

        public ViewHolder(View itemView) {
            super(itemView);
            this.itemView = itemView;
            ivAppIcon = (ImageView) itemView.findViewById(R.id.app_icon);
            tvAppName = (TextView) itemView.findViewById(R.id.app_name);
            tvAppDate = (TextView) itemView.findViewById(R.id.app_date);
            tvAppVersion = (TextView) itemView.findViewById(R.id.app_version);
            tvAppSize = (TextView) itemView.findViewById(R.id.app_size);
        }
    }
}