android 判断桌面快捷方式是否存在

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1、在桌面增加应用快捷方式
 public void createShortCut() {// 创建快捷方式的IntentIntent 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, getString(R.string.app_name));// 快捷图片Parcelable icon = Intent.ShortcutIconResource.fromContext(getApplicationContext(), R.drawable.ic_launcher);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, new Intent(getApplicationContext(), SplashActivity.class));// 发送广播。OKsendBroadcast(shortcutintent);}
 在AndroidManifest.xml中增加权限
 <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />

2、判断快捷方式是否已经存在

public boolean hasShortcut(Activity activity, String shortcutName) {String url = "";url = "content://" + getAuthorityFromPermission(activity, "com.android.launcher.permission.READ_SETTINGS")             + "/favorites?notify=true";ContentResolver resolver = activity.getContentResolver();Cursor cursor = resolver.query(Uri.parse(url), new String[] { "title", "iconResource" }, "title=?", new String[] { getString(R.string.app_name).trim() }, null);if (cursor != null && cursor.moveToFirst()) {cursor.close();return true;}return false;}

 在AndroidManifest.xml中增加权限

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

因为不同的手机厂商可能对手机系统进行了修改使用原生的
“content://com.android.launcher.settings/favorites?notify=true"
或者
"content://com.android.launcher2.settings/favorites?notify=true"
并不能准确判断 需要通过权限去获取当前手机provider.authority
private String getAuthorityFromPermission(Context context, String permission) {if (permission == null)return null;List<PackageInfo> packs = context.getPackageManager().getInstalledPackages(PackageManager.GET_PROVIDERS);if (packs != null) {for (PackageInfo pack : packs) {ProviderInfo[] providers = pack.providers;if (providers != null) {for (ProviderInfo provider : providers) {if (permission.equals(provider.readPermission))return provider.authority;if (permission.equals(provider.writePermission))return provider.authority;}}}}return null;}
                                             
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