android 自定义软键盘

哦然间发现了android.inputmethodservice.Keyboard类，即android可以自定义键盘类，做了一个简单例子供大家参考，

首先看看效果图：

键盘内容布局：keycontent.xml

<?xml version="1.0" encoding="utf-8"?>
<Keyboard xmlns:android="http://schemas.android.com/apk/res/android"android:keyWidth="25%p"android:horizontalGap="0px"android:verticalGap="0px"android:keyHeight="50dip"><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="57419"android:keyEdgeFlags="right"android:keyIcon="@drawable/keyboard_capslock" /></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="57421"android:keyEdgeFlags="right"android:keyIcon="@drawable/keyboard_big_capslock" /></Row><Row><Key android:codes="55" android:keyLabel="7" /><Key android:codes="56" android:keyLabel="8" /><Key android:codes="57" android:keyLabel="9" /><Key android:codes="-5"android:keyEdgeFlags="right"android:isRepeatable="true"android:keyLabel="delete"android:keyIcon="@drawable/keyboard_delete" /></Row><Row><Key android:codes="-3" android:keyIcon="@drawable/keyboard_return" /><Key android:codes="48" android:keyLabel="0" /><Key android:codes="88" android:keyLabel="X" /></Row>
</Keyboard>

键盘布局 keyboardview.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="fill_parent"android:layout_height="wrap_content"><EditText android:id="@+id/edit"android:layout_width="fill_parent"android:layout_height="wrap_content"/><android.inputmethodservice.KeyboardViewandroid:id="@+id/keyboard_view"android:visibility="gone"android:focusable="true"android:focusableInTouchMode="true"android:layout_width="fill_parent"android:layout_height="wrap_content"android:layout_alignParentBottom="true" />
</RelativeLayout>

KeyboardActivity;

package com.pioneersoft.temp;import android.app.Activity;
import android.inputmethodservice.Keyboard;
import android.inputmethodservice.KeyboardView;
import android.inputmethodservice.KeyboardView.OnKeyboardActionListener;
import android.os.Bundle;
import android.text.Editable;
import android.text.InputType;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.EditText;public class KeyboardActivity extends Activity{EditText edit;KeyboardView keyboardView;@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.keyboardview);edit = (EditText)findViewById(R.id.edit);edit.setInputType(InputType.TYPE_NULL);edit.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {showKeyboard();}});keyboardView = (KeyboardView)findViewById(R.id.keyboard_view);keyboardView.setKeyboard(new Keyboard(this, R.layout.keycontent));keyboardView.setEnabled(true);keyboardView.setPreviewEnabled(true);keyboardView.setOnKeyboardActionListener(new OnKeyboardActionListener() {@Overridepublic void onKey(int primaryCode, int[] keyCodes) {Editable editable = edit.getText();int start = edit.getSelectionStart();if (primaryCode == Keyboard.KEYCODE_CANCEL) {hideKeyboard();} else if (primaryCode == Keyboard.KEYCODE_DELETE) {if (editable != null && editable.length() > 0) {editable.delete(start - 1, start);}} else if (primaryCode == 57419) { // go leftif (start > 0) {edit.setSelection(start - 1);}} else if (primaryCode == 57421) { // go rightif (start < edit.length()) {edit.setSelection(start + 1);}} else {editable.insert(start, Character.toString((char)primaryCode));}}@Overridepublic void onPress(int primaryCode) {// TODO Auto-generated method stub}@Overridepublic void onRelease(int primaryCode) {// TODO Auto-generated method stub}@Overridepublic void onText(CharSequence text) {// TODO Auto-generated method stub}@Overridepublic void swipeDown() {// TODO Auto-generated method stub}@Overridepublic void swipeLeft() {// TODO Auto-generated method stub}@Overridepublic void swipeRight() {// TODO Auto-generated method stub}@Overridepublic void swipeUp() {// TODO Auto-generated method stub}});}private void showKeyboard() {int visibility = keyboardView.getVisibility();if (visibility == View.GONE || visibility == View.INVISIBLE) {keyboardView.setVisibility(View.VISIBLE);}}private void hideKeyboard() {int visibility = keyboardView.getVisibility();if (visibility == View.VISIBLE) {keyboardView.setVisibility(View.INVISIBLE);}}}

以上就是自定义键盘布局的内容，如需详细内容需要参考api。

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