Android--获取安装的程序信息

android软件的信息存储在PackageInfo中，ApplicationInfo主要包括名字、Package标签、版本信息和图标信息,

如图：

源码：

import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import android.app.Activity; import android.content.Context; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ImageView; import android.widget.ListView; import android.widget.TextView; public class GestureStartActivity extends Activity { private List<PackageInfo> packageInfos; private ListView listView = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); listView = new ListView(this); packageInfos = getPackageManager().getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES | PackageManager.GET_ACTIVITIES); ListViewAdapter adapter = new ListViewAdapter(GestureStartActivity.this, packageInfos); listView.setAdapter(adapter); setContentView(listView); } class ListViewAdapter extends BaseAdapter { LayoutInflater inflater; List<PackageInfo> pkInfos; public ListViewAdapter(Context context,List<PackageInfo> packageInfos) { inflater = LayoutInflater.from(context); this.pkInfos = packageInfos; } @Override public int getCount() { // TODO Auto-generated method stub return pkInfos.size(); } @Override public Object getItem(int arg0) { // TODO Auto-generated method stub return pkInfos.get(arg0); } @Override public long getItemId(int position) { // TODO Auto-generated method stub return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { View view = inflater.inflate(R.layout.lv_item, null); TextView tv_appname = (TextView) view.findViewById(R.id.lv_item_appname); TextView tv_packagename = (TextView) view.findViewById(R.id.lv_item_packageame); ImageView iv = (ImageView) view.findViewById(R.id.lv_icon); //tv.setText(packageInfos.get(position).packageName); tv_appname.setText(pkInfos.get(position).applicationInfo.loadLabel(getPackageManager())); tv_packagename.setText(pkInfos.get(position).packageName); iv.setImageDrawable(pkInfos.get(position).applicationInfo.loadIcon(getPackageManager())); return view; } } }