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package com.rmt.getappinfo;import java.util.Collections;import java.util.List;import java.util.Map;import android.app.Activity;import android.app.ProgressDialog;import android.content.ComponentName;import android.content.Context;import android.content.Intent;import android.content.pm.PackageManager;import android.content.pm.ResolveInfo;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.util.Log;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.BaseAdapter;import android.widget.ImageView;import android.widget.ListView;import android.widget.TextView;public class MainActivity extends Activity implements Runnable ,OnItemClickListener{	private static final String TAG = "appinfo";	private ListView softlist;	private ProgressDialog pd;	private Context mContext;	private PackageManager mPackageManager;	private List
   
     mAllApps;	@Override	protected void onCreate(Bundle savedInstanceState) {		super.onCreate(savedInstanceState);		setContentView(R.layout.activity_main);		setTitle("文件管理器");		mContext = this;    	mPackageManager = getPackageManager();		softlist = (ListView) findViewById(R.id.softlist);		pd = ProgressDialog.show(this, "请稍候..", "正在收集软件信息...", true,false);		Thread thread = new Thread(this);	    thread.start();	}		/**	 * 检查系统应用程序，添加到应用列表中	 */	private void bindMsg(){		//应用过滤条件    	Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);        mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);    	mAllApps = mPackageManager.queryIntentActivities(mainIntent, 0);    	softlist.setAdapter(new MyAdapter(mContext, mAllApps));    	softlist.setOnItemClickListener(this);    	//按报名排序        Collections.sort(mAllApps, new ResolveInfo.DisplayNameComparator(mPackageManager));	}		@Override	public void run() {		bindMsg();	    handler.sendEmptyMessage(0);	}	private Handler handler = new Handler() {        public void handleMessage(Message msg) {            pd.dismiss();        }    };        class MyAdapter extends BaseAdapter{    	private List
    
      resInfo;    	private ResolveInfo res;		private LayoutInflater infater=null;       	    	public MyAdapter(Context context, List
     
       resInfo) {						this.resInfo = resInfo;			 infater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 		}		@Override		public int getCount() {			return resInfo.size();		}		@Override		public Object getItem(int arg0) {			return arg0;		}		@Override		public long getItemId(int position) {			return position;		}		@Override		public View getView(int position, View convertView, ViewGroup parent) {	        ViewHolder holder = null;  	        if (convertView == null || convertView.getTag() == null) {  	        	convertView = infater.inflate(R.layout.soft_row, null);  	            holder = new ViewHolder(convertView);  	            convertView.setTag(holder);  	        }   	        else{  	            holder = (ViewHolder) convertView.getTag() ;  	        }  	        	        	        //获取应用程序包名，程序名称，程序图标	        res = resInfo.get(position);	        holder.appIcon.setImageDrawable(res.loadIcon(mPackageManager));  	        holder.tvAppLabel.setText(res.loadLabel(mPackageManager).toString());	        holder.tvPkgName.setText(res.activityInfo.packageName+'\n'+res.activityInfo.name);	        Log.d(TAG, res.loadLabel(mPackageManager).toString() + "\n" + res.activityInfo.packageName+'\n'+res.activityInfo.name);			return convertView;		}    }        //设定界面布局    class ViewHolder {          ImageView appIcon;          TextView tvAppLabel;          TextView tvPkgName;            public ViewHolder(View view) {              this.appIcon = (ImageView) view.findViewById(R.id.img);              this.tvAppLabel = (TextView) view.findViewById(R.id.name);              this.tvPkgName = (TextView) view.findViewById(R.id.desc);          }      }      /**     * 单击应用程序后进入系统应用管理界面     */	@Override	public void onItemClick(AdapterView
       arg0, View arg1, int position, long arg3) {		ResolveInfo res = mAllApps.get(position);		//该应用的包名和主Activity		String pkg = res.activityInfo.packageName;		String cls = res.activityInfo.name;		ComponentName componet = new ComponentName(pkg, cls);		Intent i = new Intent();		i.setComponent(componet);		startActivity(i);			}}