Android系統應用開發（五）android 輸入法類說明

源碼裡面有3套輸入法，位置：Z:\myandroid\packages\inputmethods

openwnn是一家日本公司開發的開源輸入法框架，涉及中文、日文、韓文。目前已經加入到了Android源碼之中。因此你打開一個模擬器時，會發現其中有一個japanese ime的輸入法，其服務名為openwnn，這個就是openwnn的日文輸入法

latin 虛擬即盤

google是PinyinIME ，後續我們加入了手寫，為第三方庫支持，13年10月份合並手寫和拼音輸入法!

現在合並後的為PateoIME

上面截圖原因，還有個XmlKeyboardLoader.Java

一、ComposingView

/**

*Viewusedtoshowcomposingstring(ThePinyinstringfortheunselected

*syllablesandtheChinesestringfortheselectedsyllables.)

*拼音字符串View，用於顯示輸入的拼音

*/

publicclassComposingViewextendsView{

其需要設置的字符通過下面方法傳入PateoIME.DecodingInfo decInfo，decInfo中包含了輸入的字符，同時進行刷新view

/**

*Setthecomposingstringtoshow.IftheIMEstatusis

*{@linkPateoIME.ImeState#STATE_INPUT},thecomposingview'sstatuswill

*besetto{@linkComposingStatus#SHOW_PINYIN},otherwisethecomposing

*viewwillsetitsstatusto{@linkComposingStatus#SHOW_STRING_LOWERCASE}

*or{@linkComposingStatus#EDIT_PINYIN}automatically.

*設置解碼操作對象，然後刷新View

*/

publicvoidsetDecodingInfo(PateoIME.DecodingInfodecInfo,

PateoIME.ImeStateimeStatus){

其主要繪制在onDraw的drawForPinyin(canvas);方法中，通過canvas.drawText寫入

而上面的setDecodingInfo方法主要在InputMethodService的繼承的子類中被調用如下：

privatevoidupdateComposingText(booleanvisible){

if(!visible){

mComposingView.setVisibility(View.INVISIBLE);

}else{

mComposingView.setDecodingInfo(mDecInfo,mImeState);

mComposingView.setVisibility(View.VISIBLE);

}

mComposingView.invalidate();

}

二、SoundManager

/**

*Classusedtomanagerelatedsoundresources.

*按鍵聲音管理類、單例

*/

publicclassSoundManager{

播放聲音前需要注冊相應的音頻策略，下面為播放聲音代碼：

publicvoidplayKeyDown(){

if(mAudioManager==null){

updateRingerMode();

}

if(!mSilentMode){

intsound=AudioManager.FX_KEYPRESS_STANDARD;

mAudioManager.playSoundEffect(sound,FX_VOLUME);

}

}

相應的上面響應按鍵的方法被調用在SoftKeyboardView類的下面方法中

//IfmovePressistrue,meansthatthisfunctioniscalledbecauseuser

//moveshisfingertothisbutton.IfmovePressisfalse,meansthatthis

//functioniscalledwhenuserjustpressesthiskey.

publicSoftKeyonKeyPress(intx,inty,

SkbContainer.LongPressTimerlongPressTimer,booleanmovePress){

if(!movePress){

tryPlayKeyDown();

tryVibrate();

}

我們項目中是另外的處理方式，其中特別要注意，在應用監聽案件事件的時候需要返回true，不然可能按下鍵盤鍵聽到兩次按鍵音

三、SoftKeyToggle

/**

*Classforsoftkeyswhichdefinedinthekeyboardxmlfile.Asoftkeycanbe

*abasickeyoratogglingkey.

*

*@seecom.android.inputmethod.pateoime.SoftKey

*/

publicclassSoftKeyToggleextendsSoftKey{

上面主要定義的為切換鍵，相應的配置

四、class SoftKey

上面主要為相應的按鍵

五、SoftKeyboard

/**

*Classusedtorepresentasoftkeyboarddefinition,includingtheheight,the

*backgroundimage,theimageforhighlight,thekeys,etc.

*/

publicclassSoftKeyboard{ 上面主要是軟鍵盤的定義，包括布局和高寬

此類中有個很關鍵的函數，就是通過xy坐標值找到相應的臨近按鍵

publicSoftKeymapToKey(intx,inty){

六、SkbTemplate

/**

*Softkeyboardtemplateusedbysoftkeyboardstosharecommonresources.In

*thisway,memorycostisreduced.

*/

publicclassSkbTemplate{

上面主要為：共享公共資源軟鍵盤模板，對應xml資源包下的skb_template.xml、可以根據不同的設備來加載不同的公共資源，其他自由也類似

七、SkbPool

/**

*Classusedtocachepreviouslyloadedsoftkeyboardlayouts.

*/

publicclassSkbPool{

上面說明：用來緩存以前加載的軟鍵盤布局，是一個軟鍵盤緩存池，該類有如下兩個變量

privateVectormSkbTemplates=newVector();

privateVectormSoftKeyboards=newVector();

即上面看出緩存了布局模板和軟鍵盤兩個列表

八、SkbContainer

/**

*Thetopcontainertohostsoftkeyboardview(s).

*/

publicclassSkbContainerextendsRelativeLayoutimplementsOnTouchListener{

上面所說：頂層容器【集裝箱】來承載軟鍵盤視圖

/**

*更新軟鍵盤布局

*/

privatevoidupdateSkbLayout(){

intscreenWidth=mEnvironment.getScreenWidth();

intkeyHeight=mEnvironment.getKeyHeight();

intskbHeight=mEnvironment.getSkbHeight();

Resourcesr=mContext.getResources();

if(null==mSkbFlipper){

mSkbFlipper=(ViewFlipper)findViewById(R.id.alpha_floatable);

}

mMajorView=(SoftKeyboardView)mSkbFlipper.getChildAt(0);

SoftKeyboardmajorSkb=null;

SkbPoolskbPool=SkbPool.getInstance();

switch(mSkbLayout){

caseR.xml.skb_qwerty:

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

R.xml.skb_qwerty,screenWidth,skbHeight,mContext);

break;

caseR.xml.skb_sym1:

majorSkb=skbPool.getSoftKeyboard(R.xml.skb_sym1,R.xml.skb_sym1,

screenWidth,skbHeight,mContext);

break;

caseR.xml.skb_sym2:

majorSkb=skbPool.getSoftKeyboard(R.xml.skb_sym2,R.xml.skb_sym2,

screenWidth,skbHeight,mContext);

break;

caseR.xml.skb_smiley:

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

R.xml.skb_smiley,screenWidth,skbHeight,mContext);

break;

caseR.xml.skb_phone:

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

R.xml.skb_phone,screenWidth,skbHeight,mContext);

break;

default:

}

if(null==majorSkb||!mMajorView.setSoftKeyboard(majorSkb)){

return;

}

mMajorView.setBalloonHint(mBalloonOnKey,mBalloonPopup,false);

mMajorView.invalidate();

}

@Override

publicbooleanonTouchEvent(MotionEventevent){

super.onTouchEvent(event);

if(mSkbFlipper.isFlipping()){

resetKeyPress(0);

returntrue;

}

intx=(int)event.getX();

inty=(int)event.getY();

//Biascorrection

y=y+mYBiasCorrection;

//Ignoreshort-distancemovementeventtogetbetterperformance.

if(event.getAction()==MotionEvent.ACTION_MOVE){

if(Math.abs(x-mXLast)<=MOVE_TOLERANCE

&&Math.abs(y-mYLast)<=MOVE_TOLERANCE){

returntrue;

}

}

mXLast=x;

mYLast=y;

if(!mPopupSkbShow){

//mGestureDetector的監聽器在輸入法服務PinyinIME中。

if(mGestureDetector.onTouchEvent(event)){

resetKeyPress(0);

mDiscardEvent=true;

returntrue;

}

}

switch(event.getAction()){

caseMotionEvent.ACTION_DOWN:

resetKeyPress(0);

mWaitForTouchUp=true;

mDiscardEvent=false;

mSkv=null;

mSoftKeyDown=null;

mSkv=inKeyboardView(x,y,mSkvPosInContainer);

if(null!=mSkv){

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

-mSkvPosInContainer[1],mLongPressTimer,false);

}

break;

caseMotionEvent.ACTION_MOVE:

if(x<0||x>=getWidth()||y<0||y>=getHeight()){

break;

}

if(mDiscardEvent){

resetKeyPress(0);

break;

}

if(mPopupSkbShow&&mPopupSkbNoResponse){

break;

}

SoftKeyboardViewskv=inKeyboardView(x,y,mSkvPosInContainer);

if(null!=skv){

if(skv!=mSkv){

mSkv=skv;

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

-mSkvPosInContainer[1],mLongPressTimer,true);

}elseif(null!=skv){

if(null!=mSkv){

mSoftKeyDown=mSkv.onKeyMove(

x-mSkvPosInContainer[0],y

-mSkvPosInContainer[1]);

if(null==mSoftKeyDown){

mDiscardEvent=true;

}

}

}

}

break;

caseMotionEvent.ACTION_UP:

if(mDiscardEvent){

resetKeyPress(0);

break;

}

mWaitForTouchUp=false;

//Theviewwhichgotthe{@linkMotionEvent#ACTION_DOWN}eventis

//alwaysusedtohandlethisevent.

if(null!=mSkv){

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

-mSkvPosInContainer[1]);

}

if(!mPopupSkbShow||!mPopupSkbNoResponse){

responseKeyEvent(mSoftKeyDown);

}

if(mSkv==mPopupSkbView&&!mPopupSkbNoResponse){

dismissPopupSkb();

}

mPopupSkbNoResponse=false;

break;

caseMotionEvent.ACTION_CANCEL:

break;

}

if(null==mSkv){

returnfalse;

}

returntrue;

}

九、Settings

/**

*Classusedtomaintainsettings.

*/

publicclassSettings{

上面所說，為設置類，單例、主要設置如下：震動、聲音、預報

publicstaticvoidwriteBack(){

Editoreditor=mSharedPref.edit();

editor.putBoolean(ANDPY_CONFS_VIBRATE_KEY,mVibrate);

editor.putBoolean(ANDPY_CONFS_KEYSOUND_KEY,mKeySound);

editor.putBoolean(ANDPY_CONFS_PREDICTION_KEY,mPrediction);

editor.commit();

}

十、SettingsActivity

/**

*SettingactivityofPinyinIME.

*/

publicclassSettingsActivity

上面意思設置的Acitivty、一般項目中會有改動，可以放入專門的設置應用中，這個設置信息量大，可以不用單獨為輸入法搞個設置Activity

十一、BalloonHint

/**

*SubclassofPopupWindowusedasthefeedbackwhenuserpressesonasoftkey

*oracandidate.

*/

publicclassBalloonHintextendsPopupWindow{

從上面注釋來看主要是：用戶按下一個軟鍵或候選人時冒出的氣泡

十二、HandWriteView

publicvoidTouchEvent(MotionEventevent){

floatx=event.getX(0);

floaty=event.getY(0);

switch(event.getAction()){

caseMotionEvent.ACTION_DOWN:

touch_start(x,y);

break;

caseMotionEvent.ACTION_MOVE:

touch_move(x,y);

break;

caseMotionEvent.ACTION_UP:

mhandler.postDelayed(Recognition,timer);

break;

}

} 上面為手寫輸入的view，主要拿到move的xy值，然後把其上一個xy值作為起始值，後續的作為停止值，再這樣的邏輯下去，即可以劃直線連接相應的點在理論邏輯上不會斷點

mCanvas.drawLine(mX,mY,x,y,mPaint); 針對刷新view，則建議invalidate根據實際的cpu占用來優化

十三、HandWriteDecoder

publicchar[]RecognitionResult(shortp[],intlen){

nativechar[]getResult(shortpoint[],intlen)

}

輸入法手寫識別的結果返回處理類，主要調用了返回結果的native方法，傳進去xy的坐標值數組，返回字符串的char數組

十四、KeyMapDream

/**

*ClassusedtomapthesymbolsonDream'shardwarekeyboardtocorresponding

*Chinesefull-widthsymbols.

*/

publicclassKeyMapDream{

上面類的說明：硬件鍵盤上的符號映射到相應的中國全角符號

十五、Environment

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/**

*Globalenvironmentconfigurationsforshowingsoftkeyboardandcandidate

*view.Alloriginaldimensionvaluesaredefinedinfloat,andtherealsize

*iscalculatedfromthefloatvaluesofandscreensize.Inthisway,this

*inputmethodcanworkevenwhenscreensizeischanged.

*該類保存布局的一些尺寸。比如：屏幕的寬度、屏幕的高度

*、按鍵的高度、候選詞區域的高度、按鍵氣泡寬度比按鍵寬度大的差值、按鍵氣泡高度比按鍵高度大的差值、正常按鍵中文本的大小

*、功能按鍵中文本的大小、正常按鍵氣泡中文本的大小、功能按鍵氣泡中文本的大小。

*/

publicclassEnvironment{

/**

*Thekeyheightforportraitmode.Itisrelativetothescreenheight.

*豎屏按鍵高度，值是相對於屏幕高度。

*/

privatestaticfinalfloatKEY_HEIGHT_RATIO_PORTRAIT=0.105f;

/**

*Thekeyheightforlandscapemode.Itisrelativetothescreenheight.

*橫屏按鍵高度，值是相對於屏幕高度。

*/

privatestaticfinalfloatKEY_HEIGHT_RATIO_LANDSCAPE=0.147f;

/**

*Theheightofthecandidatesareaforportraitmode.Itisrelativeto

*screenheight.豎屏候選詞區域的高度，值是相對於屏幕高度。

*/

privatestaticfinalfloatCANDIDATES_AREA_HEIGHT_RATIO_PORTRAIT=0.084f;

/**

*Theheightofthecandidatesareaforportraitmode.Itisrelativeto

*screenheight.橫屏候選詞區域高度，值是相對於屏幕高度。

*/

privatestaticfinalfloatCANDIDATES_AREA_HEIGHT_RATIO_LANDSCAPE=0.125f;

/**

*Howmuchshouldtheballoonwidthbelargerthanwidthoftherealkey.

*Itisrelativetothesmalleroneofscreenwidthandheight.

*猜測：點擊軟鍵盤按鈕時彈出來的氣泡大於按鍵的寬度的差值，值是相對於屏幕高度和寬度較小的那一個。

*/

privatestaticfinalfloatKEY_BALLOON_WIDTH_PLUS_RATIO=0.08f;

/**

*Howmuchshouldtheballoonheightbelargerthanthatoftherealkey.

*Itisrelativetothesmalleroneofscreenwidthandheight.

*猜測：點擊軟鍵盤按鈕時彈出來的氣泡大於按鍵的高度的差值，值是相對於屏幕高度和寬度較小的那一個。

*/

privatestaticfinalfloatKEY_BALLOON_HEIGHT_PLUS_RATIO=0.07f;

/**

*Thetextsizefornormalkeys.Itisrelativetothesmalleroneof

*screenwidthandheight.正常按鍵的文本的大小，值是相對於屏幕高度和寬度較小的那一個。

*/

privatestaticfinalfloatNORMAL_KEY_TEXT_SIZE_RATIO=0.075f;

/**

*Thetextsizeforfunctionkeys.Itisrelativetothesmalleroneof

*screenwidthandheight.功能按鍵的文本的大小，值是相對於屏幕高度和寬度較小的那一個。

*/

privatestaticfinalfloatFUNCTION_KEY_TEXT_SIZE_RATIO=0.055f;

/**

*Thetextsizeballoonsofnormalkeys.Itisrelativetothesmallerone

*ofscreenwidthandheight.正常按鍵彈出的氣泡的文本的大小，值是相對於屏幕高度和寬度較小的那一個。

*/

privatestaticfinalfloatNORMAL_BALLOON_TEXT_SIZE_RATIO=0.14f;

/**

*Thetextsizeballoonsoffunctionkeys.Itisrelativetothesmaller

*oneofscreenwidthandheight.功能按鍵彈出的氣泡的文本的大小，值是相對於屏幕高度和寬度較小的那一個。

*/

privatestaticfinalfloatFUNCTION_BALLOON_TEXT_SIZE_RATIO=0.085f;

/**

*Theconfigurationsaremanagedinasingleton.該類的實例，該類采用設計模式的單例模式。

*/

privatestaticEnvironmentmInstance;

privateintmScreenWidth;//屏幕的寬度

privateintmScreenHeight;//屏幕的高度

privateintmKeyHeight;//按鍵的高度

privateintmCandidatesAreaHeight;//候選詞區域的高度

privateintmKeyBalloonWidthPlus;//按鍵氣泡寬度比按鍵寬度大的差值

privateintmKeyBalloonHeightPlus;//按鍵氣泡高度比按鍵高度大的差值

privateintmNormalKeyTextSize;//正常按鍵中文本的大小

privateintmFunctionKeyTextSize;//功能按鍵中文本的大小

privateintmNormalBalloonTextSize;//正常按鍵氣泡中文本的大小

privateintmFunctionBalloonTextSize;//功能按鍵氣泡中文本的大小

環境設置

十六、EnglishInputProcessor

/**

*ClasstohandleEnglishinput.

*/

publicclassEnglishInputProcessor{

英文輸入發處理器

十七、HandWriteDecoder

publicclassHandWriteDecoder{

finalstaticStringTAG="HandWriteDecoder";

privateintmMode=0;

publicvoidsetMode(intmode){

mMode=mode;

}

publicchar[]RecognitionResult(shortp[],intlen,AssetManagerass){

char[]a=null;

a=getResult(p,len,mMode,ass,"aiwrite.dat");

returna;

}

publicchar[]associate(charp[],intlen){

char[]a=null;

a=getAssociate(p,len);

returna;

}

static{

System.loadLibrary("jni_pateoHandWrite");

}

nativechar[]getResult(shortpoint[],intlen,intmode,AssetManagerass,Stringpath);

nativechar[]getAssociate(charpoint[],intlen);

}

手寫結果管理類，主要把手寫的xy坐標點放入p數組，然後返回相應的識別字結果

十八、HandWriteView

publicclassHandWriteViewextendsView{

privatefinalstaticStringTAG="HandwriteView";

privatefinalintWIDTH=800;

privatefinalintCANVAS_HEIGHT=440;

privatefinalintPOINT_NUMBER=500;

privateBitmapmBitmap;

privateCanvasmCanvas;

privatePaintmBitmapPaint;

privateRectmDirtyRect;

privatePaintmPaint;

privateshort[]mpoint=newshort[502];

privateintlength=0;

privatebooleanisMove=false;

privatelongtimer=500;

privateintmove_count=0;

privatePateoIMEmService;

privateHandlermhandler=newHandler();

privateRunnableRecognition=newRunnable(){

publicvoidrun(){

//TODOAuto-generatedmethodstub

if(length==0){

mService.setPoints(mpoint,length);

}else{

mpoint[length]=-1;

mpoint[length+1]=-1;

length=length+2;

mService.setPoints(mpoint,length);

length=0;

isMove=false;

}

clear();

}

};

publicHandWriteView(Contextc){

super(c);

mService=(PateoIME)c;

mBitmap=Bitmap.createBitmap(WIDTH,CANVAS_HEIGHT,Bitmap.Config.ARGB_8888);

mCanvas=newCanvas(mBitmap);

mBitmapPaint=newPaint(Paint.DITHER_FLAG);

mDirtyRect=newRect(0,0,WIDTH,POINT_NUMBER);

mPaint=newPaint();

mPaint.setAntiAlias(true);

mPaint.setDither(true);

mPaint.setColor(0xFFFF0000);

mPaint.setStyle(Paint.Style.STROKE);

mPaint.setStrokeJoin(Paint.Join.ROUND);

mPaint.setStrokeCap(Paint.Cap.ROUND);

mPaint.setStrokeWidth(6);

isMove=false;

}

publicvoidsetPaintColor(intcolor){

if(color==0){

color=0xFFFF0000;

}

mPaint.setColor(color);

}

publicvoidsetStrokeWidth(intsize){

if(size==0){

mPaint.setStrokeWidth(8);

}elseif(size==2){

mPaint.setStrokeWidth(4);

}elseif(size==3){

mPaint.setStrokeWidth(2);

}else{

mPaint.setStrokeWidth(6);

}

}

publicvoidsetTimer(longtime){

if(time==0){

time=500;

}

timer=time;

}

@Override

protectedvoidonSizeChanged(intw,inth,intoldw,intoldh){

super.onSizeChanged(w,h,oldw,oldh);

}

@Override

protectedvoidonDraw(Canvascanvas){

canvas.drawColor(0x00FFFFFF);

canvas.drawBitmap(mBitmap,0,0,mBitmapPaint);

}

privatefloatmX,mY;

privatevoidtouch_start(floatx,floaty){

mX=x;

mY=y;

}

privatevoidtouch_move(floatx,floaty){

mCanvas.drawLine(mX,mY,x,y,mPaint);

mX=x;

mY=y;

if(move_count%2==0)

{

invalidate(mDirtyRect);

}

}

publicvoidclear(){

mBitmap=Bitmap.createBitmap(WIDTH,CANVAS_HEIGHT,Bitmap.Config.ARGB_8888);

mCanvas=newCanvas(mBitmap);

invalidate();

}

@Override

publicbooleanonTouchEvent(MotionEventevent){

returnfalse;

}

publicvoidTouchEvent(MotionEventevent){

floatx=event.getX(0);

floaty=event.getY(0);

switch(event.getAction()){

caseMotionEvent.ACTION_DOWN:

move_count=move_count+1;

mhandler.removeCallbacks(Recognition);

addPoints((short)x,(short)y);

touch_start(x,y);

break;

caseMotionEvent.ACTION_MOVE:

move_count=move_count+1;

isMove=true;

mhandler.removeCallbacks(Recognition);

addPoints((short)x,(short)y);

touch_move(x,y);

break;

caseMotionEvent.ACTION_UP:

move_count=0;

invalidate(mDirtyRect);

if(isMove==true){

addPoints((short)x,(short)y);

}else{

length=0;

}

mhandler.postDelayed(Recognition,timer);

break;

}

}

publicvoidTouchEvent(MotionEventevent,floatx,floaty){

switch(event.getAction()){

caseMotionEvent.ACTION_DOWN:

move_count=move_count+1;

mhandler.removeCallbacks(Recognition);

addPoints((short)x,(short)y);

touch_start(x,y);

break;

caseMotionEvent.ACTION_MOVE:

move_count=move_count+1;

isMove=true;

mhandler.removeCallbacks(Recognition);

addPoints((short)x,(short)y);

touch_move(x,y);

break;

caseMotionEvent.ACTION_UP:

move_count=0;

invalidate(mDirtyRect);

if(isMove==true){

addPoints((short)x,(short)y);

}else{

length=0;

}

mhandler.postDelayed(Recognition,timer);

break;

}

}

privatevoidaddPoints(shortx,shorty){

if(x<0||y<0){

return;

}

if(lengthmpoint[length]=x;

mpoint[length+1]=y;

length=length+2;

}

}

}

手寫view，主要通過TouchEvent來獲取xy坐標值，來畫筆畫到畫布，其次把xy坐標值輸入到Service.setPoints進行最終調用HandWriteDecoder的char[] RecognitionResult(short p[],int len返回識別結果

十九、Log

publicclassLog{

publicstaticbooleanmDebug=true;

publicstaticvoidd(Stringtag,Stringstr)

{

if(mDebug)

{

android.util.Log.d("PateoInputMethod","["+tag+"]:"+str);

}

}

publicstaticvoidi(Stringtag,Stringstr)

{

if(mDebug)

{

android.util.Log.i("PateoInputMethod","["+tag+"]:"+str);

}

}

publicstaticvoide(Stringtag,Stringstr)

{

if(mDebug)

{

android.util.Log.e("PateoInputMethod","["+tag+"]:"+str);

}

}

publicstaticvoidw(Stringtag,Stringstr,Exceptione)

{

if(mDebug)

{

android.util.Log.w("PateoInputMethod","["+tag+"]:"+str,e);

}

}

}

二十、CandidateViewListener

/**

*Interfacetonotifytheinputmethodwhentheuserclicksacandidateor

*makesadirection-gestureoncandidateview.

*/

/**

*候選詞視圖監聽器接口

*

*@ClassNameCandidateViewListener

*@authorkeanbin

*/

publicinterfaceCandidateViewListener{

/**

*選擇了候選詞的處理函數

*

*@paramchoiceId

*/

publicvoidonClickChoice(intchoiceId);

/**

*向左滑動的手勢處理函數

*/

publicvoidonToLeftGesture();

/**

*向右滑動的手勢處理函數

*/

publicvoidonToRightGesture();

/**

*向上滑動的手勢處理函數

*/

publicvoidonToTopGesture();

/**

*向下滑動的手勢處理函數

*/

publicvoidonToBottomGesture();

}

二十一、CandidateView

/**

*Viewtoshowcandidatelist.Theretwocandidateviewinstanceswhichare

*usedtoshowanimationwhenusernavigatesbetweenpages.

*/

publicclassCandidateViewextendsView{

主要為候選詞界面

二十二、CandidatesContainer

publicclassCandidatesContainerextendsRelativeLayoutimplements

OnTouchListener,AnimationListener,ArrowUpdater{

候選詞集裝箱，候選詞的管理，管理翻頁動畫、及其箭頭灰畫等。

二十三、InputModeSwitcher

/**

*SwitcherusedtoswitchinginputmodebetweenChinese,English,symbol,etc.

*/

publicclassInputModeSwitcher{

切換輸入法界面，同時提供當前是什麼輸入法的判斷接口，其中該類中涉及到一個有關type的處理方法如下：

publicintrequestInputWithSkb(EditorInfoeditorInfo){

比如定制的收音機輸入法界面，應用可以通過type來設置，就可以直接指定顯示收音機收入法

二十四、PateoIME

publicclassPateoIMEextendsInputMethodService{

輸入法服務，涉及到如下一些信息：

//綁定詞庫解碼遠程服務PinyinDecoderService

startPinyinDecoderService();[html]view plaincopy

/**

*按鍵處理函數

*

*/

privatebooleanprocessKey(KeyEventevent,booleanrealAction){

//keyCodecanbefrombothhardkeyorsoftkey.

/**

*功能鍵處理函數

*/

privatebooleanprocessFunctionKeys(intkeyCode,booleanrealAction){

等等view控制等等，比如控制候選view，下面為手寫的初始化，大致的看下：

mHandWriteView=newHandWriteView(this);

mHandWriteWinow=newPopupWindow(mHandWriteView,800,440);

mHandWriteWinow.setBackgroundDrawable(newColorDrawable(0));

mHandWriteWinow.setTouchable(true);

mHandWriteWinow.setOutsideTouchable(false);

mHandWriteWinow.setClippingEnabled(false);

mHandWriteWinow.setTouchInterceptor(newOnTouchListener(){

ublicbooleanonTouch(Viewv,MotionEventevent){

booleanresult=false;

intnum=event.getPointerCount();

for(inti=0;iif(i==0)

{

switch(event.getAction()){

caseMotionEvent.ACTION_DOWN:

mHandWriteView.TouchEvent(event);

break;

caseMotionEvent.ACTION_MOVE:

mHandWriteView.TouchEvent(event);

break;

caseMotionEvent.ACTION_UP:

mHandWriteView.TouchEvent(event);

break;

}

}

}

returnresult;

});

setCandidatesViewShown(true);

符號界面xml,如下：

skb_template="@xml/skb_template1"

skb_cache_flag="true"

width="10%p"

height="23.5%p"

key_type="0"

repeat="false"

balloon="true">

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