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我正在做一个需要特殊键盘的应用程序，我可以通过按键将文本转换为编辑文本。如何在编辑文本中使用自定义键盘应用程序编写android
公共类SecondActivity扩展活动实现 OnKeyboardActionListener，OnKeyListener {
private static final String TAG = SecondActivity.class.getName();
private EditText editText1, editText2, editText3;
private InputMethodManager imm;
private String mWordSeparators;
private StringBuilder mComposing = new StringBuilder();
private KeyboardView keyboardView;
private Keyboard keyboard;
private Keyboard miKeyboard;
private boolean mCapsLock;
private long mLastShiftTime;
private boolean mCompletionOn;
private long mMetaState;
private CompletionInfo[] mCompletions;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_second);
Button button3 = (Button) findViewById(R.id.button3);
button3.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
finish();
Log.d("cambio estado", "onDestroy");
}
});
Button button4 = (Button) findViewById(R.id.button4);
button4.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
finish();
Log.d("cambio estado", "onDestroy");
}
});
editText1 = (EditText) findViewById(R.id.editText1);
editText2 = (EditText) findViewById(R.id.editText2);
editText3 = (EditText) findViewById(R.id.editText3);
imm = (InputMethodManager)getSystemService(INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(editText1.getWindowToken(), 0);
imm.hideSoftInputFromWindow(editText2.getWindowToken(), 0);
imm.hideSoftInputFromWindow(editText3.getWindowToken(), 0);
mWordSeparators = getResources().getString(R.string.word_separators);
keyboardView = (KeyboardView) findViewById(R.id.keyboardView);
keyboard = new Keyboard(this, R.xml.qwerty);
miKeyboard = new Keyboard(this,R.xml.qwerty);
keyboardView.setKeyboard(keyboard);
keyboardView.setEnabled(true);
keyboardView.setPreviewEnabled(true);
keyboardView.setOnKeyListener(this);
keyboardView.setOnKeyboardActionListener(this);
}
public void onStartInput(EditorInfo attribute, boolean restarting) {
mComposing.setLength(0);
updateCandidates();
if (!restarting) {
mMetaState = 0;
}
mCompletionOn = false;
mCompletions = null;
switch (attribute.inputType & InputType.TYPE_MASK_CLASS) {
case InputType.TYPE_CLASS_NUMBER:
case InputType.TYPE_CLASS_DATETIME:
keyboard = miKeyboard;
break;
case InputType.TYPE_CLASS_PHONE:
keyboard = miKeyboard;
break;
case InputType.TYPE_CLASS_TEXT:
keyboard = miKeyboard;
updateShiftKeyState(attribute);
break;
default:
keyboard = miKeyboard;
updateShiftKeyState(attribute);
}
}
public void onDisplayCompletions(CompletionInfo[] completions) {
if (mCompletionOn) {
if (completions == null) {
return;
}
List<String> stringList = new ArrayList<String>();
for (int i = 0; i < completions.length; i++) {
CompletionInfo ci = completions[i];
if (ci != null) stringList.add(ci.getText().toString());
}
}
}
private boolean translateKeyDown(int keyCode, KeyEvent event) {
mMetaState = MetaKeyKeyListener.handleKeyDown(mMetaState,
keyCode, event);
int c = event.getUnicodeChar(MetaKeyKeyListener.getMetaState(mMetaState));
mMetaState = MetaKeyKeyListener.adjustMetaAfterKeypress(mMetaState);
InputConnection ic = getCurrentInputConnection();
if (c == 0 || ic == null) {
return false;
}
if ((c & KeyCharacterMap.COMBINING_ACCENT) != 0) {
c = c & KeyCharacterMap.COMBINING_ACCENT_MASK;
}
if (mComposing.length() > 0) {
char accent = mComposing.charAt(mComposing.length() -1);
int composed = KeyEvent.getDeadChar(accent, c);
if (composed != 0) {
c = composed;
mComposing.setLength(mComposing.length()-1);
}
}
onKey(c, null);
return true;
}
private void hideDefaultKeyboard() {
getWindow().setSoftInputMode(
WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
}
private void handleShift() {
checkToggleCapsLock();
keyboardView.setShifted(mCapsLock || !keyboardView.isShifted());
}
private void checkToggleCapsLock() {
long now = System.currentTimeMillis();
if (mLastShiftTime + 800 > now) {
mCapsLock = !mCapsLock;
mLastShiftTime = 0;
} else {
mLastShiftTime = now;
}
}
private void updateCandidates() {
if (!mCompletionOn) {
if (mComposing.length() > 0) {
ArrayList<String> list = new ArrayList<String>();
list.add(mComposing.toString());
}
}
}
private void handleClose() {
commitTyped(getCurrentInputConnection());
keyboardView.closing();
}
private void handleCharacter(int primaryCode, int[] keyCodes) {
if (keyboardView.isShifted()) {
primaryCode = Character.toUpperCase(primaryCode);
}
else {
getCurrentInputConnection().commitText(
String.valueOf((char) primaryCode), 1);
}
}
public void onText(CharSequence text) {
Log.d(TAG, "onText? \"" + text + "\"");
InputConnection ic = getCurrentInputConnection();
if (ic == null) return;
ic.beginBatchEdit();
if (mComposing.length() > 0) {
commitTyped(ic);
}
ic.commitText(text, 0);
ic.endBatchEdit();
updateShiftKeyState((EditorInfo) getCurrentInputEditorInfo());
}
private void updateShiftKeyState(EditorInfo attr) {
if (attr != null
&& keyboardView != null && keyboard == keyboardView.getKeyboard()) {
int caps = 0;
EditorInfo ei = (EditorInfo) getCurrentInputEditorInfo();
if (ei != null && ei.inputType != InputType.TYPE_NULL) {
caps = getCurrentInputConnection().getCursorCapsMode(attr.inputType);
}
keyboardView.setShifted(mCapsLock || caps != 0);
}}
private void commitTyped(InputConnection inputConnection) {
if (mComposing.length() > 0) {
inputConnection.commitText(mComposing, mComposing.length());
mComposing.setLength(0);
updateCandidates();
}
}
private String getWordSeparators() {
return mWordSeparators;
}
public boolean isWordSeparator(int code) {
String separators = getWordSeparators();
return separators.contains(String.valueOf((char)code));
}
private void handleBackspace() {
final int length = mComposing.length();
if (length > 1) {
mComposing.delete(length - 1, length);
getCurrentInputConnection().setComposingText(mComposing, 1);
updateCandidates();
} else if (length > 0) {
mComposing.setLength(0);
getCurrentInputConnection().commitText("", 0);
updateCandidates();
} else {
keyDownUp(KeyEvent.KEYCODE_DEL);
}
updateShiftKeyState(getCurrentInputEditorInfo());
}
private InputConnection getCurrentInputConnection() {
return getCurrentInputConnection();
}
private EditorInfo getCurrentInputEditorInfo() {
return getCurrentInputEditorInfo();
}
@Override
public void swipeUp() {
Log.d(TAG, "swipeUp");
}
@Override
public void swipeRight() {
Log.d(TAG, "swipeRight");
}
@Override
public void swipeLeft() {
Log.d(TAG, "swipeLeft");
handleBackspace();
}
@Override
public void swipeDown() {
Log.d(TAG, "swipeDown");
handleClose();
}
@Override
public void onRelease(int primaryCode) {
Log.d(TAG, "onRelease? primaryCode=" + primaryCode);
}
@Override
public void onPress(int primaryCode) {
Log.d(TAG, "onPress? primaryCode=" + primaryCode);
}
@Override
public void onKey(int primaryCode, int[] keyCodes) {
Log.d(TAG, "onKey? primaryCode=" + primaryCode);
int n1 = 0; // -1 count
for (int keyCode : keyCodes) {
if (keyCode == -1) {
n1++;
continue;
}
Log.v(TAG, "keyCode=" + keyCode);
}
Log.v(TAG, "keyCode=-1 *" + n1);
if (isWordSeparator(primaryCode)) {
if (mComposing.length() > 0) {
commitTyped(getCurrentInputConnection());
}
sendKey(primaryCode);
updateShiftKeyState(getCurrentInputEditorInfo());
} else if (primaryCode == Keyboard.KEYCODE_DELETE) {
handleBackspace();
} else if (primaryCode == Keyboard.KEYCODE_SHIFT) {
handleShift();
} else if (primaryCode == Keyboard.KEYCODE_CANCEL) {
handleClose();
} else if (primaryCode == Keyboard.KEYCODE_MODE_CHANGE
&& keyboardView != null) {
Keyboard current = keyboardView.getKeyboard();
keyboardView.setKeyboard(current);
} else {
handleCharacter(primaryCode, keyCodes);
}
}
private void sendKey(int keyCode) {
switch (keyCode) {
case '\n':
keyDownUp(KeyEvent.KEYCODE_ENTER);
break;
default:
if (keyCode >= '0' && keyCode <= '9') {
keyDownUp(keyCode - '0' + KeyEvent.KEYCODE_0);
} else {
getCurrentInputConnection().commitText(String.valueOf((char) keyCode), 1);
}
break;
}
}
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_BACK:
if (event.getRepeatCount() == 0 && keyboardView != null) {
if (keyboardView.handleBack()) {
return true;
}
}
break;
case KeyEvent.KEYCODE_DEL:
if (mComposing.length() > 0) {
onKey(Keyboard.KEYCODE_DELETE, null);
return true;
}
break;
case KeyEvent.KEYCODE_ENTER:
return false;
default:
if (mCapsLock) {
if (keyCode == KeyEvent.KEYCODE_SPACE
&& (event.getMetaState()&KeyEvent.META_ALT_ON) != 0) {
InputConnection ic = getCurrentInputConnection();
if (ic != null) {
ic.clearMetaKeyStates(KeyEvent.META_ALT_ON);
keyDownUp(KeyEvent.KEYCODE_A);
keyDownUp(KeyEvent.KEYCODE_N);
keyDownUp(KeyEvent.KEYCODE_D);
keyDownUp(KeyEvent.KEYCODE_R);
keyDownUp(KeyEvent.KEYCODE_O);
keyDownUp(KeyEvent.KEYCODE_I);
keyDownUp(KeyEvent.KEYCODE_D);
return true;
}
}
if (translateKeyDown(keyCode, event)) {
return true;
}
}
}
return super.onKeyDown(keyCode, event);
}
private void keyDownUp(int keyEventCode) {
getCurrentInputConnection().sendKeyEvent(
new KeyEvent(KeyEvent.ACTION_DOWN, keyEventCode));
getCurrentInputConnection().sendKeyEvent(
new KeyEvent(KeyEvent.ACTION_UP, keyEventCode));
}
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
hideDefaultKeyboard();
Log.d(TAG, "onKey? keyCode=" + keyCode);
return false;
}
}
我都试过，但没有工作，我的事情是与输入连接不对劲，getCurentInputConnection但我不”不知道如何解决这个问题，谢谢。 –