package com.github.lazylibrary.util; /**
* Copyright 2014 Zhenguo Jin
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import android.app.Activity;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Intent;
import android.content.Intent.ShortcutIconResource;
import android.database.Cursor;
import android.net.Uri;
import com.github.lazylibrary.R;
/**
* 创建删除快捷图标
*
* @author jingle1267@163.com
* 需要权限: com.android.launcher.permission.INSTALL_SHORTCUT com.android.launcher.permission.UNINSTALL_SHORTCUT
*/
public final class ShortCutUtils {
/**
* Don't let anyone instantiate this class.
*/
private ShortCutUtils() {
throw new Error("Do not need instantiate!");
}
/**
* 检测是否存在快捷键
*
* @param activity Activity
* @return 是否存在桌面图标
*/
public static boolean hasShortcut(Activity activity) {
boolean isInstallShortcut = false;
final ContentResolver cr = activity.getContentResolver();
final String AUTHORITY = "com.android.launcher.settings";
final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY
+ "/favorites?notify=true");
Cursor c = cr.query(CONTENT_URI,
new String[]{"title", "iconResource"}, "title=?",
new String[]{activity.getString(R.string.app_name).trim()},
null);
if (c != null && c.getCount() > 0) {
isInstallShortcut = true;
}
return isInstallShortcut;
}
/**
* 为程序创建桌面快捷方式
*
* @param activity Activity
* @param res res
*/
public static void addShortcut(Activity activity,int res) {
Intent shortcut = new Intent(
"com.android.launcher.action.INSTALL_SHORTCUT");
// 快捷方式的名称
shortcut.putExtra(Intent.EXTRA_SHORTCUT_NAME,
activity.getString(R.string.app_name));
shortcut.putExtra("duplicate", false); // 不允许重复创建
Intent shortcutIntent = new Intent(Intent.ACTION_MAIN);
shortcutIntent.setClassName(activity, activity.getClass().getName());
shortcut.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
// 快捷方式的图标
ShortcutIconResource iconRes = Intent.ShortcutIconResource.fromContext(
activity, res);
shortcut.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, iconRes);
activity.sendBroadcast(shortcut);
}
/**
* 删除程序的快捷方式
*
* @param activity Activity
*/
public static void delShortcut(Activity activity) {
Intent shortcut = new Intent(
"com.android.launcher.action.UNINSTALL_SHORTCUT");
// 快捷方式的名称
shortcut.putExtra(Intent.EXTRA_SHORTCUT_NAME,
activity.getString(R.string.app_name));
String appClass = activity.getPackageName() + "."
+ activity.getLocalClassName();
ComponentName comp = new ComponentName(activity.getPackageName(),
appClass);
shortcut.putExtra(Intent.EXTRA_SHORTCUT_INTENT, new Intent(
Intent.ACTION_MAIN).setComponent(comp));
activity.sendBroadcast(shortcut);
}
}