android应用创建快捷方式

package com.sanghu.broadcast;

import com.sanghu.activity.LoadActivity;
import com.sanghu.activity.R;

import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.net.Uri;
import android.os.Parcelable;
import android.util.Log;

public class ShortCutUtil {
	private static ShortCutUtil cutUtil;
	private Context context;

	private ShortCutUtil(Context context) {
		this.context = context;
	}

	public static ShortCutUtil getCutUtil(Context context) {
		if (cutUtil == null)
			cutUtil = new ShortCutUtil(context);
		return cutUtil;
	}

	public void initShortCut() {
		Log.i("coder", "------createShortCut--------");
		// 创建快捷方式的Intent
		Intent shortcutIntent = new Intent(
				"com.android.launcher.action.INSTALL_SHORTCUT");
		// 不允许重复创建
		shortcutIntent.putExtra("duplicate", false);
		// 需要现实的名称
		shortcutIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME,
				context.getString(R.string.app_name));
		// 快捷图片
		Parcelable icon = Intent.ShortcutIconResource.fromContext(context,
				R.drawable.booz);
		shortcutIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, icon);
		Intent intent = new Intent(context, LoadActivity.class);
		// 下面两个属性是为了当应用程序卸载时桌面 上的快捷方式会删除
		intent.setAction("android.intent.action.MAIN");
		intent.addCategory("android.intent.category.LAUNCHER");
		// 点击快捷图片，运行的程序主入口
		shortcutIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, intent);
		// 发送广播。OK
		context.sendBroadcast(shortcutIntent);
	}
	
	/**
	 *  判断是否存在该快捷方式
	 * @return
	 */
	public boolean hasShortcut() {
		if (context == null)
			return true;
		boolean result = false;
		// 获取当前应用名称
		String title = null;
		try {
			final PackageManager pm = context.getPackageManager();
			title = pm.getApplicationLabel(
					pm.getApplicationInfo(context.getPackageName(),
							PackageManager.GET_META_DATA)).toString();
		} catch (Exception e) {
		}
		final String uriStr;
		if (android.os.Build.VERSION.SDK_INT < 8) {
			uriStr = "content://com.android.launcher.settings/favorites?notify=true";
		} else {
			uriStr = "content://com.android.launcher2.settings/favorites?notify=true";
		}
		final Uri CONTENT_URI = Uri.parse(uriStr);
		final Cursor c = context.getContentResolver().query(CONTENT_URI, null,
				"title=?", new String[] { title }, null);
		if (c != null && c.getCount() > 0) {
			result = true;
		}
		return result;
	}

}