拼音输入法(MPinyinIME)

来源：互联网发布：大数据应用编辑：程序博客网时间：2024/05/09 20:17

目录结构

jni/ - Java Native Interface, 用C/C++实现拼音输入法的功能，供上层Java代码调用的底层代码。

lib/ - 用AIDL文件给上层JAVA应用定义了jni可用的接口集IPinyinDecoderService。AIDL请参考

res/ - Android项目的资源目录(系统静态字典数据文件dict_pinyin.dat也放在这个目录下的raw子目录里)

broadcast delayed

输入法编译选项：

framework里面也有个这种配置不过device下面的又设置了一次，把framework的覆盖了

PinyinEMI.java 输入法服务.

http://blog.csdn.net/jianguo_liao19840726/article/details/25370407

http://blog.csdn.net/pi9nc/article/details/9196779

http://blog.csdn.net/z_guijin/article/details/6728197 输入法 DEBUG调式.

第一步，需要理解输入法的XML原理，改界面布局需要改这里.

还需要调用语言什么的？

===================================================

PinyinIME.java

=== 输入法主界面 public View onCreateInputView() {

R.layout.skb_container ->

类似，只是processkey用true作为第二个参数。 Processkey调用commitResultText/sendKeyChar等输入法框架函数把键码送到输入处理。PinyinIME里commitResultText对全键盘和九宫格的处理也不一样，一个是通过SkbContainer处理，一个是直接调用各输入法的commitResultText实现。

com.android.inputmethod.pinyin.SkbContainer

com.android.inputmethod.pinyin.SoftKeyboardView

=== 候选区界面 public View onCreateCandidatesView() {

R.layout.floating_container -> com.android.inputmethod.pinyin.ComposingView

=== 输入法配置界面 SettingsActivity.java settings.xml

=== public boolean onKeyDown(int keyCode, KeyEvent event) {

-----------------------------------

skb_phone.xml

数字键盘有BUG ，需要改写，添加移动方框.

XmlKeyboardLoader.java

public SoftKeyboard loadKeyboard(int resourceId, int skbWidth, int skbHeight) { 调用

SoftKeyboard.java 键值的处理. (添加 beginNewRow， addSoftKey)

private List<KeyRow> mKeyRows;

public class SoftKey { 一个键值的属性.

----------------------------

如何判断是数字键盘，还是字符键盘的.

在 InputModeSwitcher.java 中的 getSkblayout 函数.

requestInputWithHkb

现在的问题是当用户选择按键后，代码中是如何显示出去的？？？

public void responseSoftKeyEvent(SoftKey sKey) {

==================================

===================================

ondraw(... ...{

RectF outerRect = new RectF(left, top, right, bottom);

Paint paint = new Paint();

paint.setColor(Color.WHITE);

paint.setAntiAlias(true);

paint.setStyle(Paint.Style.STROKE);//设置空心

canvas.drawRoundRect(outerRect, 5, 5, paint);

==================================

XML 键盘布局分析

==================================

【如何创建一个键盘布局】

需要添加土耳其或者其它国际化的版本的.

第一个必须是 <keyboard

# 一行的键值. 比如 1, 2, 3, -

<row>

<key # 如果是普通的键值可以考虑 keys

<toggle_state # 如果需要添加按键效果.

... ...

</row>

结尾 </keyboard>

keyboard 的属性值说明:

# 数字

balloon="false" ：是否显示提示框.

height="25%p"

key_type="0"

repeat="false"

skb_template="@xml/skb_template1"

width="25%p"

# 字母

balloon="true"

height="25%p"

key_type="0"

qwerty="true"

qwerty_uppercase="true"

repeat="false"

skb_cache_flag="true"

skb_template="@xml/skb_template1"

width="10%p"

# 符号

balloon="true"

height="25%p"

key_type="0"

repeat="false"

skb_cache_flag="true"

skb_template="@xml/skb_template1"

width="10%p"

==================================

各个过程分析记录

==================================

当鼠标点击软键盘输出字符到编辑框的过程

SKbContainer.java

鼠标点击软键盘的过程.

public boolean onTouchEvent(MotionEvent event) {

// 绘制了按下的颜色.

case MotionEvent.ACTION_DOWN: // 按下的时候

mSoftKeyDown = mSkv.onKeyPress(x - mSkvPosInContainer[0], y

- mSkvPosInContainer[1], mLongPressTimer, false);

case MotionEvent.ACTION_UP: // 起来的时候

// 去掉按下的颜色

// 字符提示窗口

// 输入字符到编辑框

if (null != mSkv) {

mSkv.onKeyRelease(x - mSkvPosInContainer[0], y

- mSkvPosInContainer[1]);

}

SoftKeryboardView.java

public SoftKey onKeyRelease(int x, int y) { // 去掉按下的颜色字符提示窗口

responseKeyEvent(mSoftKeyDown); // 输入字符到编辑框

((PinyinIME) mService).responseSoftKeyEvent(sKey); // 发送按键字符.

============================================

遥控器移动点击OK输出字符到编辑框的过程: (痛鼠标按下的过程差不过的)

realAction : 用于判断为按下(false) 和松开(true)!!!

SdbContainer.java

按键按下的时候:

@Override

public boolean onKeyDown(int keyCode, KeyEvent event) { // PinYinIME.java

private boolean processKey(KeyEvent event, boolean realAction) { // PinYinIME.java

private boolean processFunctionKeys(int keyCode, boolean realAction) { // PinYinIME.java

private boolean processEnterKeys(int keyCode, boolean isAccfter) { // PinYinIME.java

public void actionForEnterDown() {

mSkv.onKeyPress(mSoftKeyDown.mLeft - mSkvPosInContainer[0], mSoftKeyDown.mTop

- mSkvPosInContainer[1], mLongPressTimer, false); // SoftKeryboardView.java

按键起来的时候:

@Override

public boolean onKeyUp(int keyCode, KeyEvent event) { // PinyinIME.java

private boolean processKey(KeyEvent event, boolean realAction) {

private boolean processFunctionKeys(int keyCode, boolean realAction) {

private boolean processEnterKeys(int keyCode, boolean isAccfter) { // PinyinIME.java

public void actionForEnterUp() { // SkbContainer.java

mSkv.onKeyRelease(mSoftKeyDown.mLeft - mSkvPosInContainer[0], mSoftKeyDown.mTop

- mSkvPosInContainer[1]); // 恢复按下的键

responseKeyEvent(mSoftKeyDown); // 发送字符 SoftKeryboardView.java

=============================================

输入法布局XML界面的解析过程分析

=============================================

skbCoreWidth:1280/skbCoreHeight:280 这里主要根据 width="10%p" ，然后换算出来的按键宽度.

XmlKeyboardLoader.java

@Override

public void onStartInputView(EditorInfo editorInfo, boolean restarting) { // PinyinIME.java

public void updateInputMode() { // SkbContainer.java

private void updateSkbLayout() { // SkbContainer.java

switch (mSkbLayout) {

case R.xml.skb_qwerty:

majorSkb = skbPool.getSoftKeyboard(R.xml.skb_qwerty,

R.xml.skb_qwerty, screenWidth, skbHeight, mContext); // 解析XML布局.

getSoftKeyboard --- SkbPool.java

public SoftKeyboard loadKeyboard(int resourceId, int skbWidth, int skbHeight) {

while (mXmlEventType != XmlResourceParser.END_DOCUMENT) {

if (XMLTAG_KEYBOARD.compareTo(attr) == 0) {

---- 当软键盘又点击切换的时候，

public void responseSoftKeyEvent(SoftKey sKey) { // PinyinIME.java

if (sKey.isUserDefKey()) {

updateIcon(mInputModeSwitcher.switchModeForUserKey(keyCode));

resetToIdleState(false);

mSkbContainer.updateInputMode(); // 更新输入模式.

if (mDecInfo.isCandidatesListEmpty()) {

dismissCandidateWindow();

}

// ... ...

public void responseSoftKeyEvent(SoftKey sKey) {

if (!mSkbContainer.isCurrentSkbSticky()) {

updateIcon(mInputModeSwitcher.requestBackToPreviousSkb());

resetToIdleState(false);

mSkbContainer.updateInputMode();

}

// 中英文切换

<key start_pos_x="0%p" start_pos_y="75%p"

width="20%p" height="25%p" code="-2" label="中/英文" key_type="1"

repeat="true">

<toggle_state state_id="@string/toggle_en_lower" label="英/中文" code="-2"/>

<toggle_state state_id="@string/toggle_en_upper" label="英/中文" code="-2"/>

</key>

// ?12

// 删除

<key code="67" key_type="1"

repeat="true"/>

// 空格

<key key_type="5" code="62" icon="@drawable/space_icon"

icon_popup="@drawable/space_popup_icon" width="30.608%p" />

// 句号

<key id="7" start_pos_x="65.304%p" start_pos_y="75%p"

width="14.696%p" height="25%p" label="." key_type="0"

icon="@drawable/period_icon" icon_popup="@drawable/period_popup_icon"/>

// 获取字体颜色

mNormalKeyTextSize = env.getKeyTextSize(false);

mFunctionKeyTextSize = env.getKeyTextSize(true);

// 初始化按键

public boolean setSoftKeyboard(SoftKeyboard softSkb) {

if (null == softSkb) {

return false;

}

mSoftKeyboard = softSkb;

Drawable bg = softSkb.getSkbBackground();

//mSoftKeyboard.getKeyRowForDisplay(0).mSoftKeys.get(0).setKeySelected(true);

// mSoftKeyboard.setOneKeySelected(3,4);

mSoftKeyboard.setOneKeySelected(0,0); // 第0个焦点.

=============================

输入法候选框过程分析

=============================

setCandidatesViewShown(true); 是否显示候选框.

public View onCreateCandidatesView() { // pinyinIME.java

mCandidatesContainer = (CandidatesContainer) inflater.inflate(

R.layout.candidates_container, null); // 候选区

public void showCandidates(PinyinIME.DecodingInfo decInfo, // CandidatesContainer.java

for (int i = 0; i < mFlipper.getChildCount(); i++) {

CandidateView cv = (CandidateView) mFlipper.getChildAt(i);

cv.setDecodingInfo(mDecInfo); // 显示传入的拼音字符.

}

==================================

中/英文切换过程.

==================================

// SkbContainer.java

private void responseKeyEvent(SoftKey sKey) {

((PinyinIME) mService).responseSoftKeyEvent(sKey);

// PinyinIME.java

public void responseSoftKeyEvent(SoftKey sKey) {

if (sKey.isUserDefKey()) {

// updateIcon(mInputModeSwitcher.switchModeForUserKey(keyCode)); // 中/英切换.

resetToIdleState(false);

mSkbContainer.updateInputMode();

if (mDecInfo.isCandidatesListEmpty()) {

dismissCandidateWindow(); // 候选框窗口.

}

========================================

中文处理过程

========================================

// PinyinIME.java

private boolean processKey(KeyEvent event, boolean realAction) {

else if (mInputModeSwitcher.isChineseText()) { // 中文

if (mImeState == ImeState.STATE_IDLE ||

mImeState == ImeState.STATE_APP_COMPLETION) {

mImeState = ImeState.STATE_IDLE;

return processStateIdle(keyChar, keyCode, event, realAction);

} else if (mImeState == ImeState.STATE_INPUT) {

return processStateInput(keyChar, keyCode, event, realAction);

} else if (mImeState == ImeState.STATE_PREDICT) { /* 中文 */

return processStatePredict(keyChar, keyCode, event, realAction);

} else if (mImeState == ImeState.STATE_COMPOSING) {

return processStateEditComposing(keyChar, keyCode, event,

realAction);

}

private void updateDecInfoForSearch(int totalChoicesNum) {

private void chooseAndUpdate(int candId) {

if (ImeState.STATE_PREDICT != mImeState) {

// Get result candidate list, if choice_id < 0, do a new decoding.

// If choice_id >=0, select the candidate, and get the new candidate

// list.

mDecInfo.chooseDecodingCandidate(candId); // 搜索中文词组.

private void chooseDecodingCandidate(int candId) {

if (mPosDelSpl < 0) {

totalChoicesNum = mIPinyinDecoderService

.imSearch(mPyBuf, length()); // 搜索中文词组.

private void updateDecInfoForSearch(int totalChoicesNum) {

--------------------------------------------------------

public boolean preparePage(int pageNo) {

private void getCandiagtesForCache() {

mTotalChoicesNum =4

preparePage

mDecInfo.mPageStart

点击中文输出.. ...到编辑框. PinyinIME.java

public void onClickChoice(int choiceId) {

private void onChoiceTouched(int activeCandNo) {

########################

private boolean processStateInput(int keyChar, int keyCode, KeyEvent event,

boolean realAction) {

if (skbFocusEnable) // 防止执行下面的操作.

return true;

if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {

mCandidatesContainer.activeCurseBackward();

} else if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {

mCandidatesContainer.activeCurseForward();

# 也许需要改这里.

private boolean processDirectionKeys(int keyCode) {

只有中文才可以上移动去上面，需要改.

########################

不隐藏输入法，遥控器遥控上，编辑框可以去移动光标.

http://www.iteedu.com/handset/android/androidcnapi5/51.php

加入方向上移动，编辑框可以移动光标，而不用退出输入法界面. (研究)

ic.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, keyCode));

ic.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_UP, keyCode));

可以参考这个!!

if (SIMULATE_KEY_DELETE) { // 模拟，点击软键盘上删除.

Log.d(TAG, "bbbbbbbb:" + keyCode);

simulateKeyEventDownUp(keyCode);

修改，给编辑框发送移动.

ic.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DPAD_LEFT));

ic.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_DPAD_LEFT));

/**

* 在这里加入当打字的时候，没有了，显示出快捷方式出来.

if (mDecInfo != null && mDecInfo.isCandidatesListEmpty()) {

mCandidatesContainer.setInputMethodCandState(CandidateView.INPUT_METHOD_FASTER_STATE); // 设置快捷方式.

}

<LinearLayout

android:layout_width="match_parent"

android:layout_height="match_parent"

android:layout_marginTop="100dp"

android:orientation="vertical" >

<LinearLayout

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_margin="10dp"

android:orientation="horizontal" >

<com.open.srx.widgets.CircleImageView

android:id="@+id/active_iv"

android:layout_width="80dp"

android:layout_height="80dp"

android:layout_marginRight="10dp"

android:src="@drawable/radio_kafeiguan_bg" />

<LinearLayout

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:orientation="vertical" >

<TextView

android:id="@+id/textView1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="冰雪情缘" />

<TextView

android:id="@+id/textView11"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="学霸" />

</LinearLayout>

<EditText

android:id="@+id/editText1"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:ems="10" >

</EditText>

<EditText

android:id="@+id/editText2"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:ems="10" />

<Button

android:id="@+id/button1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="Button" />

<Button

android:id="@+id/button2"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="发布课程" />

<Button

android:id="@+id/button3"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="查询课程" />

</LinearLayout>

http://www.360doc.com/content/12/1024/08/1538436_243412962.shtml 语言模型在搜狗输入法中的使用.

http://www.oschina.net/p/libpinyin 开源拼音词库

输入法中文词库分析:

com.android.inputmethod.pinyin/

PinyinDecoderService.java

jni/android/

com_android_inputmethod_pinyin_pinyine_PinyinDe...cpp

-------------------------

/**

* Connection used for binding to the Pinyin decoding service.

* 拼音词库服务的aidl服务连接.

public class PinyinDecoderServiceConnection implements ServiceConnection {

public void onServiceConnected(ComponentName name, IBinder service) {

mDecInfo.mIPinyinDecoderService = IPinyinDecoderService.Stub

.asInterface(service);

}

public void onServiceDisconnected(ComponentName name) {

}

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