Android 创建/验证/删除桌面快捷方式(已测试可用)

<uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT"/>

<uses-permission android:name="com.android.launcher.permission.READ_SETTINGS" />

<uses-permission android:name="com.android.launcher.permission.UNINSTALL_SHORTCUT" />

public class ShortCutSample {
/**
* 添加快捷方式
* */
public void creatShortCut(Activity activity,String shortcutName,int resourceId)
{
Intent intent = new Intent();
intent.setClass(activity, activity.getClass());
/*以下两句是为了在卸载应用的时候同时删除桌面快捷方式*/
intent.setAction("android.intent.action.MAIN");
intent.addCategory("android.intent.category.LAUNCHER");
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, shortcutName);
//快捷图片
Parcelable icon = Intent.ShortcutIconResource.fromContext(activity.getApplicationContext(), resourceId);
shortcutintent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, icon);
//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
activity.sendBroadcast(shortcutintent);
}
/**
* 删除快捷方式
* */
public void deleteShortCut(Activity activity,String shortcutName)
{
Intent shortcut = new Intent("com.android.launcher.action.UNINSTALL_SHORTCUT");
//快捷方式的名称
shortcut.putExtra(Intent.EXTRA_SHORTCUT_NAME,shortcutName);
//在网上看到到的基本都是一下几句，测试的时候发现并不能删除快捷方式。
//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));
/**改成以下方式能够成功删除，估计是删除和创建需要对应才能找到快捷方式并成功删除**/
Intent intent = new Intent();
intent.setClass(activity, activity.getClass());
intent.setAction("android.intent.action.MAIN");
intent.addCategory("android.intent.category.LAUNCHER");
shortcut.putExtra(Intent.EXTRA_SHORTCUT_INTENT,intent);
activity.sendBroadcast(shortcut);
}
/**
* 判断是否存在快捷方式
* */
public boolean hasShortcut(Activity activity,String shortcutName)
{
String url = "";
int systemversion = Integer.parseInt(android.os.Build.VERSION.SDK);
/*大于8的时候在com.android.launcher2.settings 里查询（未测试）*/
if(systemversion < 8){
url = "content://com.android.launcher.settings/favorites?notify=true";
}else{
url = "content://com.android.launcher2.settings/favorites?notify=true";
}
ContentResolver resolver = activity.getContentResolver();
Cursor cursor = resolver.query(Uri.parse(url), null, "title=?",new String[] {shortcutName}, null);
if (cursor != null && cursor.moveToFirst()) {
cursor.close();
return true;
}
return false;
}
}

　public class mainActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
ShortCutSample sample =new ShortCutSample();
String shortcutName=getString(R.string.app_name);
if(sample.hasShortcut(this, shortcutName))
sample.deleteShortCut(this,shortcutName);
else
sample.creatShortCut(this,shortcutName,R.drawable.icon);
}
}