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您所在的位置 -> 米兰百分百 -> android相关 -> android遍历已安装的apk应用程序

android遍历已安装的apk应用程序

点击数:4923 发表时间:2014-03-20 07:07:49 作者: 来源链接:
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package com.traverseapk;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import android.app.Activity;
import android.content.pm.PackageInfo;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.util.Log;
import android.widget.ListView;
import android.widget.SimpleAdapter;

public class TraverseApk extends Activity {
	private List data;
	Map item;
	private ListView listView = null;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		listView = new ListView(this);
		data = new ArrayList();
		listPackages();
		SimpleAdapter adapter = new SimpleAdapter(this, data,
				android.R.layout.simple_list_item_2, new String[] { "appname",
						"pname" }, new int[] { android.R.id.text1,
						android.R.id.text2, });
		listView.setAdapter(adapter);
		setContentView(listView);
	}

	class PInfo {
		private String appname = "";
		private String pname = "";
		private String versionName = "";
		private int versionCode = 0;
		private Drawable icon;

		private void prettyPrint() {
			Log.i("taskmanger", appname + "\\t" + pname + "\\t" + versionName
					+ "\\t" + versionCode + "\\t");
		}
	}

	private void listPackages() {
		ArrayList apps = getInstalledApps(false);
		final int max = apps.size();
		for (int i = 0; i < max; i++) {
			apps.get(i).prettyPrint();
			item = new HashMap();
			item.put("appname", apps.get(i).appname);
			item.put("pname", apps.get(i).pname);
			data.add(item);
		}
	}

	private ArrayList getInstalledApps(boolean getSysPackages) {
		ArrayList res = new ArrayList();
		List packs = getPackageManager().getInstalledPackages(0);
		for (int i = 0; i < packs.size(); i++) {
			PackageInfo p = (PackageInfo) packs.get(i);
			if ((!getSysPackages) && (p.versionName == null)) {
				continue;
			}
			PInfo newInfo = new PInfo();
			newInfo.appname = p.applicationInfo.loadLabel(getPackageManager())
					.toString();
			newInfo.pname = p.packageName;
			newInfo.versionName = p.versionName;
			newInfo.versionCode = p.versionCode;
			newInfo.icon = p.applicationInfo.loadIcon(getPackageManager());
			res.add(newInfo);
		}
		return res;
	}
}

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