效果图
第一步，在哪个地方放自定义的键盘？那个地方放输入？
我打算在这个最下面放我的键盘
因此在这个xml文件中添加键盘的组件，为它设置参数，给它id,长，宽，背景，字体颜色，是否聚焦等
<android.inputmethodservice.KeyboardView
android:id="@+id/frag_record_rl_key"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:keyBackground="@color/grey_f3f3f3"
android:keyTextColor="@color/black"
android:focusable="true"
android:focusableInTouchMode="true"
android:paddingTop="1dp"
android:layout_alignParentBottom="true"
android:shadowColor="@color/white"
android:shadowRadius="0.0"/>
输入的地方 EditText为输入文本的地方
<EditText
android:id="@+id/frag_rl_top_money"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="number"
android:layout_centerVertical="true"
android:layout_alignParentRight="true"
android:text="0"
android:background="@color/white"
/>
第二部，设置键盘
第一步我们确定了键盘的位置，现在详细设置这个键盘，我们在res目录下创造一个xml的文件夹，在此文件夹中新建一个key.xml的文件，这个文件将详细设置键盘，具体到每一个按键。
android:keyHeight，android:keyWidth为键盘按键的高度，宽度
code表示代码这个是有规定的，lable为真正代表的内容
<?xml version="1.0" encoding="utf-8"?>
<Keyboard xmlns:android="http://schemas.android.com/apk/res/android">
<Keyboard xmlns:android="http://schemas.android.com/apk/res/android"
android:keyHeight="50dp"
android:keyWidth="25%p"
android:horizontalGap="1px"
android:verticalGap="1px">
<Row>
<Key android:codes="49" android:keyLabel="1"/>
<Key android:codes="50" android:keyLabel="2"/>
<Key android:codes="51" android:keyLabel="3"/>
<Key android:codes="-5" android:keyLabel="删除"/>
</Row>
<Row>
<Key android:codes="52" android:keyLabel="4"/>
<Key android:codes="53" android:keyLabel="5"/>
<Key android:codes="54" android:keyLabel="6"/>
<Key android:codes="-4" android:keyHeight="150dp" android:keyLabel="确定"/>
</Row>
<Row>
<Key android:codes="55" android:keyLabel="7"/>
<Key android:codes="56" android:keyLabel="8"/>
<Key android:codes="57" android:keyLabel="9"/>
</Row>
<Row>
<Key android:codes="-3" android:keyLabel="清零"/>
<Key android:codes="48" android:keyLabel="0"/>
<Key android:codes="46" android:keyLabel="."/>
</Row>
</Keyboard>
</Keyboard>
第三步，键盘的逻辑代码编写
在java文件夹下建立utils文件夹 keyutils
package com.example.notebook.utils;
import android.inputmethodservice.Keyboard;
import android.inputmethodservice.KeyboardView;
import android.text.Editable;
import android.text.InputType;
import android.view.View;
import android.widget.EditText;
import com.example.notebook.R;
public class keyutils {
private final Keyboard k1; //自定义的键盘
private KeyboardView keyboardView;
private EditText editText;
public keyutils(Keyboard k1, KeyboardView keyboardView, EditText editText) {
this.k1 = k1;
this.keyboardView = keyboardView;
this.editText = editText;
this.editText.setInputType(InputType.TYPE_NULL);//取消弹出框
//放入内容和我们定义好的组件
k1 = new Keyboard(this.editText.getContext(), R.xml.key);
//设置键盘样式
this.keyboardView.setKeyboard(k1);
this.keyboardView.setEnabled(true);
this.keyboardView.setPreviewEnabled(false);
this.keyboardView.setOnKeyboardActionListener(listener);//设置键盘按钮被点击了的监听
}
private interface OnEnsureListener{
public void onEnsure();
}
OnEnsureListener onEnsureListener;
public void setOnEnsureListener(OnEnsureListener onEnsureListener) {
this.onEnsureListener = onEnsureListener;
}
KeyboardView.OnKeyboardActionListener listener = new KeyboardView.OnKeyboardActionListener() {
@Override
public void onPress(int i) {
}
@Override
public void onRelease(int i) {
}
@Override
public void onKey(int i, int[] ints) {
Editable editable = editText.getText();
int start = editText.getSelectionStart();
switch (i) {
case Keyboard.KEYCODE_DELETE: //点击了删除键
if (editable!=null &&editable.length()>0) {
if (start>0) {
editable.delete(start-1,start);
}
}
break;
case Keyboard.KEYCODE_CANCEL: //点击了清零
editable.clear();
break;
case Keyboard.KEYCODE_DONE: //点击了完成
onEnsureListener.onEnsure(); //通过接口回调的方法，当点击确定时，可以调用这个方法
break;
default: //其他数字直接插入
editable.insert(start,Character.toString((char)i));
break;
}
}
@Override
public void onText(CharSequence charSequence) {
}
@Override
public void swipeLeft() {
}
@Override
public void swipeRight() {
}
@Override
public void swipeDown() {
}
@Override
public void swipeUp() {
}
};
// 显示键盘
public void showKey(){
int visibility = keyboardView.getVisibility();
if(visibility == View.INVISIBLE|| visibility == View.GONE)
{
keyboardView.setVisibility(View.VISIBLE);
}
}
// 隐藏键盘
public void hideKeyboard(){
int visibility = keyboardView.getVisibility();
if (visibility== View.VISIBLE||visibility==View.INVISIBLE) {
keyboardView.setVisibility(View.GONE);
}
}
}