android 创建桌面快捷方式

    // 判读是否已经存在快捷方式
    public boolean isExistShortCut() {
        boolean isInstallShortcut = false;
        final ContentResolver cr = MainActivity.this.getContentResolver();
        // 本人的2.2系统是”com.android.launcher2.settings”,网上见其他的为"com.android.launcher.settings"
        final String AUTHORITY = "com.android.launcher2.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[] { getString(R.string.app_name) }, null);
        if (c != null && c.getCount() > 0) {
            isInstallShortcut = true;
            System.out.println("已经存在快捷方式");
        }
        return isInstallShortcut;
    }

 

    private void createShortcut() {
        Intent shortcut = new Intent("com.android.launcher.action.INSTALL_SHORTCUT");
        shortcut.putExtra(Intent.EXTRA_SHORTCUT_NAME, getString(R.string.app_name));
        shortcut.putExtra("duplicate", false);
        Intent intent = new Intent(Intent.ACTION_MAIN);
        intent.addCategory(Intent.CATEGORY_LAUNCHER);
        intent.setClass(this, WelcomeActivity.class);//设置第一个页面
        shortcut.putExtra(Intent.EXTRA_SHORTCUT_INTENT, intent);
        ShortcutIconResource iconRes = Intent.ShortcutIconResource.fromContext(this, R.drawable.logo);
        shortcut.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, iconRes);
        sendBroadcast(shortcut);
        System.out.println("创建快捷方式成功!");
    }