Android获取系统所有应用程序名称

转自：http://blog.sina.com.cn/s/blog_766aa3810100quzv.html

Code示例：

ActivityManager am = (ActivityManager) this
				.getSystemService(ACTIVITY_SERVICE);
		List l = am.getRunningAppProcesses();
		Iterator i = l.iterator();
		PackageManager pm = this.getPackageManager();
		while (i.hasNext()) {
			ActivityManager.RunningAppProcessInfo info = (ActivityManager.RunningAppProcessInfo) (i
					.next());
			try {
				CharSequence c = pm.getApplicationLabel(pm.getApplicationInfo(
						info.processName, PackageManager.GET_META_DATA));
				Log.w("LABEL", c.toString());
			} catch (Exception e) {
				// Name Not FOund Exception
			}
		}