- Keyboard的xml文件配置
<?xml version="1.0" encoding="utf-8"?>
<Keyboard xmlns:android="http://schemas.android.com/apk/res/android"
android:horizontalGap="0dp"
android:keyHeight="61dp"
android:keyWidth="33%p"
android:verticalGap="0dp">
<Row>
<Key
android:codes="49"
android:keyEdgeFlags="left"
android:keyLabel="1"/>
<Key
android:codes="50"
android:keyLabel="2"/>
<Key
android:codes="51"
android:keyLabel="3"/>
</Row>
<Row>
<Key
android:codes="52"
android:keyEdgeFlags="left"
android:keyLabel="4"/>
<Key
android:codes="53"
android:keyLabel="5"/>
<Key
android:codes="54"
android:keyLabel="6"/>
</Row>
<Row>
<Key
android:codes="55"
android:keyEdgeFlags="left"
android:keyLabel="7"/>
<Key
android:codes="56"
android:keyLabel="8"/>
<Key
android:codes="57"
android:keyLabel="9"/>
</Row>
<Row>
<Key
android:codes="48"
android:keyEdgeFlags="left"
android:keyLabel="0"/>
<Key
android:codes="-5"
android:isRepeatable="true"
android:keyWidth="66%p"
android:keyIcon="@mipmap/icon_number_del" />
</Row>
</Keyboard>
- 软键盘的布局
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
>
<android.inputmethodservice.KeyboardView
android:id="@+id/keyboard_view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:background="@android:color/transparent"
android:focusable="true"
android:focusableInTouchMode="true"
android:keyBackground="@drawable/bg_keyboard_btn"
android:keyTextColor="@android:color/primary_text_light"
android:keyTextSize="32sp"
android:visibility="visible"
/>
</LinearLayout>
- 自定义软键盘工具类
package com.mazaiting;
import android.annotation.TargetApi;
import android.app.Activity;
import android.inputmethodservice.Keyboard;
import android.inputmethodservice.KeyboardView;
import android.os.Build;
import android.text.Editable;
import android.text.InputType;
import android.text.TextUtils;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.AnimationUtils;
import android.widget.EditText;
import android.widget.FrameLayout;
import com.mazaiting.keyboardviwe.R;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* 自定义软键盘
* Created by mazaiting on 2017/10/18.
*/
public class KeyBoardUtil {
/**
* 显示键盘的视图
*/
private Activity mActivity;
/**
* 键盘视图
*/
private KeyboardView mKeyboardView;
/**
* 键盘
*/
private Keyboard mKeyboard;
/**
* 输入框
*/
private EditText mEditText;
/**
* 键盘布局
*/
private View mViewContainer;
/**
* 焦点改变监听
*/
View.OnFocusChangeListener mOnFocusChangeListener = new View.OnFocusChangeListener() {
@Override public void onFocusChange(View view, boolean hasFocus) {
if (hasFocus) showSoftKeyboard();
else hideSoftKeyboard();
}
};
/**
* 构造方法
* @param activity 根视图
*/
public KeyBoardUtil(Activity activity){
this.mActivity = activity;
this.mKeyboard = new Keyboard(mActivity, R.xml.keyboard_view);
}
/**
* 绑定输入框
* @param editText 输入框
* @param isAuto 是否自动显示
*/
public void attachTo(EditText editText, boolean isAuto){
this.mEditText = editText;
hideSystemSoftKeyboard(this.mEditText);
setAutoShowOnFocus(isAuto);
}
/**
* 隐藏系统软件盘
* @param editText 输入框
*/
@TargetApi(Build.VERSION_CODES.KITKAT) private void hideSystemSoftKeyboard(EditText editText) {
int sdkInt = Build.VERSION.SDK_INT;
if (sdkInt < 11){
editText.setInputType(InputType.TYPE_NULL);
} else {
try {
Class<EditText> cls = EditText.class;
Method setShowSoftInputOnFocus = cls.getMethod("setShowSoftInputOnFocus", boolean.class);
setShowSoftInputOnFocus.setAccessible(true);
setShowSoftInputOnFocus.invoke(editText, false);
} catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException e) {
e.printStackTrace();
}
}
}
/**
* 焦点时自动显示
* @param enabled 是否显示
*/
private void setAutoShowOnFocus(boolean enabled){
if (null == mEditText) return;
if (enabled) mEditText.setOnFocusChangeListener(mOnFocusChangeListener);
else mEditText.setOnFocusChangeListener(null);
}
/**
* 显示软键盘
*/
public void showSoftKeyboard() {
if (null == mViewContainer) {
mViewContainer = mActivity.getLayoutInflater().inflate(R.layout.layout_view, null);
} else {
if (null != mViewContainer.getParent()) return;
}
FrameLayout frameLayout = (FrameLayout) mActivity.getWindow().getDecorView();
KeyboardView keyboardView = mViewContainer.findViewById(R.id.keyboard_view);
this.mKeyboardView = keyboardView;
this.mKeyboardView.setKeyboard(mKeyboard);
this.mKeyboardView.setEnabled(true);
this.mKeyboardView.setPreviewEnabled(false);
this.mKeyboardView.setOnKeyboardActionListener(mOnKeyboardActionListener);
FrameLayout.LayoutParams layoutParams = new FrameLayout.LayoutParams(
FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.WRAP_CONTENT);
layoutParams.gravity = Gravity.BOTTOM;
frameLayout.addView(mViewContainer, layoutParams);
mViewContainer.setAnimation(AnimationUtils.loadAnimation(mActivity, R.anim.anim_down_to_up));
}
/**
* 隐藏软键盘
*/
public void hideSoftKeyboard() {
if (null != mViewContainer && null != mViewContainer.getParent()){
mViewContainer.setAnimation(AnimationUtils.loadAnimation(mActivity, R.anim.anim_up_to_down));
((ViewGroup)mViewContainer.getParent()).removeView(mViewContainer);
}
}
/**
* 判断是否显示
* @return true, 显示; false, 不显示
*/
public boolean isShowing(){
if (null == mViewContainer) return false;
return mViewContainer.getVisibility() == View.VISIBLE;
}
KeyboardView.OnKeyboardActionListener mOnKeyboardActionListener = new KeyboardView.OnKeyboardActionListener() {
@Override public void onPress(int i) {}
@Override public void onRelease(int i) {}
@Override public void onKey(int primaryCode, int[] keyCodes) {
if (null != mEditText) keyCode(primaryCode, mEditText);
mKeyboardView.postInvalidate();
}
@Override public void onText(CharSequence charSequence) {}
@Override public void swipeLeft() {}
@Override public void swipeRight() {}
@Override public void swipeDown() {}
@Override public void swipeUp() {}
};
/**
* 字符
* @param primaryCode 主要字符
* @param editText 编辑框
*/
private void keyCode(int primaryCode, EditText editText) {
Editable editable = editText.getText();
int start = editText.getSelectionStart();
if (primaryCode == Keyboard.KEYCODE_DELETE) { // 回退
if (editText.hasFocus()) {
if (!TextUtils.isEmpty(editable)){
if (start > 0) editable.delete(start - 1, start);
}
}
} else if (primaryCode == Keyboard.KEYCODE_SHIFT) { // 大小写切换
mKeyboardView.setKeyboard(mKeyboard);
} else {
if (editText.hasFocus()) editable.insert(start, Character.toString((char) primaryCode));
}
}
}
- 使用
package com.mazaiting.keyboardview;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import com.mazaiting.KeyBoardUtil;
public class MainActivity extends AppCompatActivity {
private EditText editText;
private KeyBoardUtil mKeyBoardUtil;
@Override protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
editText = (EditText) this.findViewById(R.id.editText);
mKeyBoardUtil = new KeyBoardUtil(this);
mKeyBoardUtil.attachTo(editText, true);
}
/**显示*/
public void show(View view){
mKeyBoardUtil.showSoftKeyboard();
}
/**隐藏*/
public void hide(View view){
mKeyBoardUtil.hideSoftKeyboard();
}
}
