|
@@ -0,0 +1,101 @@
|
|
|
+/*
|
|
|
+ * Copyright 2015 Mike Penz All rights reserved.
|
|
|
+ *
|
|
|
+ * 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.
|
|
|
+ */
|
|
|
+
|
|
|
+package com.nextcloud.talk.utils;
|
|
|
+
|
|
|
+import android.app.Activity;
|
|
|
+import android.graphics.Rect;
|
|
|
+import android.os.Build;
|
|
|
+import android.view.View;
|
|
|
+import android.view.ViewTreeObserver;
|
|
|
+import android.view.inputmethod.InputMethodManager;
|
|
|
+
|
|
|
+/**
|
|
|
+ * Created by mikepenz on 14.03.15.
|
|
|
+ * This class implements a hack to change the layout padding on bottom if the keyboard is shown
|
|
|
+ * to allow long lists with editTextViews
|
|
|
+ * Basic idea for this solution found here: http://stackoverflow.com/a/9108219/325479
|
|
|
+ */
|
|
|
+public class KeyboardUtils {
|
|
|
+ private View decorView;
|
|
|
+ private View contentView;
|
|
|
+
|
|
|
+ public KeyboardUtils(Activity act, View contentView) {
|
|
|
+ this.decorView = act.getWindow().getDecorView();
|
|
|
+ this.contentView = contentView;
|
|
|
+
|
|
|
+ //only required on newer android versions. it was working on API level 19
|
|
|
+ if (Build.VERSION.SDK_INT >= 19) {
|
|
|
+ decorView.getViewTreeObserver().addOnGlobalLayoutListener(onGlobalLayoutListener);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ public void enable() {
|
|
|
+ if (Build.VERSION.SDK_INT >= 19) {
|
|
|
+ decorView.getViewTreeObserver().addOnGlobalLayoutListener(onGlobalLayoutListener);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ public void disable() {
|
|
|
+ if (Build.VERSION.SDK_INT >= 19) {
|
|
|
+ decorView.getViewTreeObserver().removeOnGlobalLayoutListener(onGlobalLayoutListener);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ //a small helper to allow showing the editText focus
|
|
|
+ ViewTreeObserver.OnGlobalLayoutListener onGlobalLayoutListener = new ViewTreeObserver.OnGlobalLayoutListener() {
|
|
|
+ @Override
|
|
|
+ public void onGlobalLayout() {
|
|
|
+ Rect r = new Rect();
|
|
|
+ //r will be populated with the coordinates of your view that area still visible.
|
|
|
+ decorView.getWindowVisibleDisplayFrame(r);
|
|
|
+
|
|
|
+ //get screen height and calculate the difference with the useable area from the r
|
|
|
+ int height = decorView.getContext().getResources().getDisplayMetrics().heightPixels;
|
|
|
+ int diff = height - r.bottom;
|
|
|
+
|
|
|
+ //if it could be a keyboard add the padding to the view
|
|
|
+ if (diff != 0) {
|
|
|
+ // if the use-able screen height differs from the total screen height we assume that it shows a keyboard now
|
|
|
+ //check if the padding is 0 (if yes set the padding for the keyboard)
|
|
|
+ if (contentView.getPaddingBottom() != diff) {
|
|
|
+ //set the padding of the contentView for the keyboard
|
|
|
+ contentView.setPadding(0, 0, 0, diff);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ //check if the padding is != 0 (if yes reset the padding)
|
|
|
+ if (contentView.getPaddingBottom() != 0) {
|
|
|
+ //reset the padding of the contentView
|
|
|
+ contentView.setPadding(0, 0, 0, 0);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Helper to hide the keyboard
|
|
|
+ *
|
|
|
+ * @param act
|
|
|
+ */
|
|
|
+ public static void hideKeyboard(Activity act) {
|
|
|
+ if (act != null && act.getCurrentFocus() != null) {
|
|
|
+ InputMethodManager inputMethodManager = (InputMethodManager) act.getSystemService(Activity.INPUT_METHOD_SERVICE);
|
|
|
+ inputMethodManager.hideSoftInputFromWindow(act.getCurrentFocus().getWindowToken(), 0);
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|