解決方案

• 輕量級解決方案-PopupWindow實現。
• 項目地址：github.com/Ninja2005/M…
• 鍵盤效果：

實現原理

1.通過PopupWindow顯示自定義鍵盤

mKeyboardView = (MyKeyboardView) mIncludeKeyboardview.findViewById(R.id.keyboard_view); mWindow = new PopupWindow(mIncludeKeyboardview, ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT, false); mWindow.showAtLocation(mParent, Gravity.BOTTOM, 0, 0); 復制代碼

2.實現自定義鍵盤（支持切換字母、數字、符號、隨機鍵盤）

class MyKeyboardView extends KeyboardView {public void init(EditText editText, PopupWindow window, int keyBoardType) {this.mEditText = editText;this.mWindow = window;if (keyBoardType == KEYBOARDTYPE_Pwd)isPwd = true;setEnabled(true);setPreviewEnabled(false);setOnKeyboardActionListener(mOnKeyboardActionListener);//按鍵監聽setKeyBoardType(keyBoardType);}//鍵盤類型支持字母、數字、符號、隨機鍵盤public void setKeyBoardType(int keyBoardType) {switch (keyBoardType) {case KEYBOARDTYPE_Num:if (keyboardNum == null)keyboardNum = new Keyboard(getContext(), R.xml.keyboard_number);setKeyboard(keyboardNum);break;case KEYBOARDTYPE_ABC:if (keyboardABC == null)keyboardABC = new Keyboard(getContext(), R.xml.keyboard_abc);setKeyboard(keyboardABC);break;case KEYBOARDTYPE_Pwd:if (keyboardPwd == null)keyboardPwd = new Keyboard(getContext(), R.xml.keyboard_number);randomKey(keyboardPwd);setKeyboard(keyboardPwd);break;case KEYBOARDTYPE_Symbol:if (keyboardSymbol == null)keyboardSymbol = new Keyboard(getContext(), R.xml.keyboard_symbol);setKeyboard(keyboardSymbol);break;}} } 復制代碼

3.點擊空白處隱藏鍵盤 (重寫View的事件分發)

@Overridepublic boolean dispatchTouchEvent(MotionEvent ev) {switch (ev.getAction()) {case MotionEvent.ACTION_DOWN:cancelOvertimeRunable();if (KeyboardTool.isTouchView(filterViewByIds(), ev))//過濾的EditText,不做處理return super.dispatchTouchEvent(ev);View v = getCurrentFocus();if (KeyboardTool.isFocusEditText(v, systemEditViewIds())//當前焦點在系統鍵盤EditText&& !KeyboardTool.isTouchView(systemEditViewIds(), ev)) {//且沒有觸摸在系統鍵盤EditTextKeyboardTool.hideInputForce(mContext, v);//隱藏系統鍵盤v.clearFocus();//清空焦點} else if (KeyboardTool.isFocusEditText(v, customEditViewIds())//當前焦點在自定義鍵盤EditText&& !KeyboardTool.isTouchView(customEditViewIds(), ev)) {//且沒有觸摸在自定義鍵盤EditTextif (getKeyboardUtil() != null)//隱藏自定義鍵盤getKeyboardUtil().hide();v.clearFocus();//清空焦點}break;case MotionEvent.ACTION_UP:startOvertimeRunable();break;}return super.dispatchTouchEvent(ev);} 復制代碼

4.鍵盤上推（設置根布局margintop）

//調整父控件位置，鍵盤不擋住編輯框 int nKeyBoardToTopHeight = mHeightPixels - mKeyboardHeight;//屏幕高度-鍵盤高度 int[] editLocal = new int[2]; editText.getLocationOnScreen(editLocal); ViewGroup.MarginLayoutParams lp = (ViewGroup.MarginLayoutParams) mParent.getLayoutParams(); if (editLocal[1] + mEditTextHeight * 2 > nKeyBoardToTopHeight) {int height = editLocal[1] - lp.topMargin - nKeyBoardToTopHeight;int mScrollToValue = height + mEditTextHeight * 2;lp.topMargin = 0 - mScrollToValue;mParent.setLayoutParams(lp);mScrollTo = true; } 復制代碼

轉載于:https://juejin.im/post/5c331c3f51882524b77b587d

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