完成回答详情评论列表只有输入框跟随软键盘升降的需求 http://gitlab.ghzhushou.com/pm/halo-app-issues/issues/340

app/src/main/java/com/gh/common/util/KeyboardHeightObserver.java

@@ -0,0 +1,35 @@
+/*
+ * This file is part of Siebe Projects samples.
+ *
+ * Siebe Projects samples is free software: you can redistribute it and/or modify
+ * it under the terms of the Lesser GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Siebe Projects samples is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * Lesser GNU General Public License for more details.
+ *
+ * You should have received a copy of the Lesser GNU General Public License
+ * along with Siebe Projects samples.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.gh.common.util;
+
+/**
+ * The observer that will be notified when the height of 
+ * the keyboard has changed
+ */
+public interface KeyboardHeightObserver {
+
+    /** 
+     * Called when the keyboard height has changed, 0 means keyboard is closed,
+     * >= 1 means keyboard is opened.
+     * 
+     * @param height        The height of the keyboard in pixels
+     * @param orientation   The orientation either: Configuration.ORIENTATION_PORTRAIT or 
+     *                      Configuration.ORIENTATION_LANDSCAPE
+     */
+    void onKeyboardHeightChanged(int height, int orientation);
+}