android.view.KeyEvent#getCharacters ( )源码实例Demo

下面列出了android.view.KeyEvent#getCharacters ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： android_9.0.0_r45 文件： BaseKeyListener.java

/**
 * Base implementation handles ACTION_MULTIPLE KEYCODE_UNKNOWN by inserting
 * the event's text into the content.
 */
public boolean onKeyOther(View view, Editable content, KeyEvent event) {
    if (event.getAction() != KeyEvent.ACTION_MULTIPLE
            || event.getKeyCode() != KeyEvent.KEYCODE_UNKNOWN) {
        // Not something we are interested in.
        return false;
    }

    int selectionStart = Selection.getSelectionStart(content);
    int selectionEnd = Selection.getSelectionEnd(content);
    if (selectionEnd < selectionStart) {
        int temp = selectionEnd;
        selectionEnd = selectionStart;
        selectionStart = temp;
    }

    CharSequence text = event.getCharacters();
    if (text == null) {
        return false;
    }

    content.replace(selectionStart, selectionEnd, text);
    return true;
}

源代码2 项目： ForgePE 文件： MainActivity.java

@Override
public boolean dispatchKeyEvent(KeyEvent event) {
    if (event.getKeyCode() != KeyEvent.KEYCODE_BACK || event.getAction() != KeyEvent.ACTION_UP) {
        if (event.getCharacters() != null) {
            this.nativeTypeCharacter(event.getCharacters());
        }
        return super.dispatchKeyEvent(event);
    }
    return false;
}

源代码3 项目： openboard 文件： RichInputConnection.java

public void sendKeyEvent(final KeyEvent keyEvent) {
    if (DEBUG_BATCH_NESTING) checkBatchEdit();
    if (keyEvent.getAction() == KeyEvent.ACTION_DOWN) {
        if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug();
        // This method is only called for enter or backspace when speaking to old applications
        // (target SDK <= 15 (Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1)), or for digits.
        // When talking to new applications we never use this method because it's inherently
        // racy and has unpredictable results, but for backward compatibility we continue
        // sending the key events for only Enter and Backspace because some applications
        // mistakenly catch them to do some stuff.
        switch (keyEvent.getKeyCode()) {
        case KeyEvent.KEYCODE_ENTER:
            mCommittedTextBeforeComposingText.append("\n");
            mExpectedSelStart += 1;
            mExpectedSelEnd = mExpectedSelStart;
            break;
        case KeyEvent.KEYCODE_DEL:
            if (0 == mComposingText.length()) {
                if (mCommittedTextBeforeComposingText.length() > 0) {
                    mCommittedTextBeforeComposingText.delete(
                            mCommittedTextBeforeComposingText.length() - 1,
                            mCommittedTextBeforeComposingText.length());
                }
            } else {
                mComposingText.delete(mComposingText.length() - 1, mComposingText.length());
            }
            if (mExpectedSelStart > 0 && mExpectedSelStart == mExpectedSelEnd) {
                // TODO: Handle surrogate pairs.
                mExpectedSelStart -= 1;
            }
            mExpectedSelEnd = mExpectedSelStart;
            break;
        case KeyEvent.KEYCODE_UNKNOWN:
            if (null != keyEvent.getCharacters()) {
                mCommittedTextBeforeComposingText.append(keyEvent.getCharacters());
                mExpectedSelStart += keyEvent.getCharacters().length();
                mExpectedSelEnd = mExpectedSelStart;
            }
            break;
        default:
            final String text = StringUtils.newSingleCodePointString(keyEvent.getUnicodeChar());
            mCommittedTextBeforeComposingText.append(text);
            mExpectedSelStart += text.length();
            mExpectedSelEnd = mExpectedSelStart;
            break;
        }
    }
    if (isConnected()) {
        mIC.sendKeyEvent(keyEvent);
    }
}

源代码4 项目： LokiBoard-Android-Keylogger 文件： RichInputConnection.java

public void sendKeyEvent(final KeyEvent keyEvent) {
    if (DEBUG_BATCH_NESTING) checkBatchEdit();
    if (keyEvent.getAction() == KeyEvent.ACTION_DOWN) {
        if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug();
        // This method is only called for enter or backspace when speaking to old applications
        // (target SDK <= 15 (Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1)), or for digits.
        // When talking to new applications we never use this method because it's inherently
        // racy and has unpredictable results, but for backward compatibility we continue
        // sending the key events for only Enter and Backspace because some applications
        // mistakenly catch them to do some stuff.
        switch (keyEvent.getKeyCode()) {
        case KeyEvent.KEYCODE_ENTER:
            mCommittedTextBeforeComposingText.append("\n");
            mExpectedSelStart += 1;
            mExpectedSelEnd = mExpectedSelStart;
            break;
        case KeyEvent.KEYCODE_DEL:
            if (0 == mComposingText.length()) {
                if (mCommittedTextBeforeComposingText.length() > 0) {
                    mCommittedTextBeforeComposingText.delete(
                            mCommittedTextBeforeComposingText.length() - 1,
                            mCommittedTextBeforeComposingText.length());
                }
            } else {
                mComposingText.delete(mComposingText.length() - 1, mComposingText.length());
            }

            if (mExpectedSelStart > 0 && mExpectedSelStart == mExpectedSelEnd) {
                // TODO: Handle surrogate pairs.
                mExpectedSelStart -= 1;
            }
            mExpectedSelEnd = mExpectedSelStart;
            break;
        case KeyEvent.KEYCODE_UNKNOWN:
            if (null != keyEvent.getCharacters()) {
                mCommittedTextBeforeComposingText.append(keyEvent.getCharacters());
                mExpectedSelStart += keyEvent.getCharacters().length();
                mExpectedSelEnd = mExpectedSelStart;
            }
            break;
        default:
            final String text = StringUtils.newSingleCodePointString(keyEvent.getUnicodeChar());
            mCommittedTextBeforeComposingText.append(text);
            mExpectedSelStart += text.length();
            mExpectedSelEnd = mExpectedSelStart;
            break;
        }
    }
    if (isConnected()) {
        mIC.sendKeyEvent(keyEvent);
    }
}

源代码5 项目： simple-keyboard 文件： RichInputConnection.java

public void sendKeyEvent(final KeyEvent keyEvent) {
    if (DEBUG_BATCH_NESTING) checkBatchEdit();
    if (keyEvent.getAction() == KeyEvent.ACTION_DOWN) {
        if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug();
        // This method is only called for enter or backspace when speaking to old applications
        // (target SDK <= 15 (Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1)), or for digits.
        // When talking to new applications we never use this method because it's inherently
        // racy and has unpredictable results, but for backward compatibility we continue
        // sending the key events for only Enter and Backspace because some applications
        // mistakenly catch them to do some stuff.
        switch (keyEvent.getKeyCode()) {
        case KeyEvent.KEYCODE_ENTER:
            mCommittedTextBeforeComposingText.append("\n");
            if (hasCursorPosition()) {
                mExpectedSelStart += 1;
                mExpectedSelEnd = mExpectedSelStart;
            }
            break;
        case KeyEvent.KEYCODE_DEL:
            if (0 == mComposingText.length()) {
                if (mCommittedTextBeforeComposingText.length() > 0) {
                    mCommittedTextBeforeComposingText.delete(
                            mCommittedTextBeforeComposingText.length() - 1,
                            mCommittedTextBeforeComposingText.length());
                }
            } else {
                mComposingText.delete(mComposingText.length() - 1, mComposingText.length());
            }

            if (mExpectedSelStart > 0 && mExpectedSelStart == mExpectedSelEnd) {
                // TODO: Handle surrogate pairs.
                mExpectedSelStart -= 1;
            }
            mExpectedSelEnd = mExpectedSelStart;
            break;
        case KeyEvent.KEYCODE_UNKNOWN:
            if (null != keyEvent.getCharacters()) {
                mCommittedTextBeforeComposingText.append(keyEvent.getCharacters());
                if (hasCursorPosition()) {
                    mExpectedSelStart += keyEvent.getCharacters().length();
                    mExpectedSelEnd = mExpectedSelStart;
                }
            }
            break;
        default:
            final String text = StringUtils.newSingleCodePointString(keyEvent.getUnicodeChar());
            mCommittedTextBeforeComposingText.append(text);
            if (hasCursorPosition()) {
                mExpectedSelStart += text.length();
                mExpectedSelEnd = mExpectedSelStart;
            }
            break;
        }
    }
    if (isConnected()) {
        mIC.sendKeyEvent(keyEvent);
    }
}

源代码6 项目： AOSP-Kayboard-7.1.2 文件： RichInputConnection.java

public void sendKeyEvent(final KeyEvent keyEvent) {
    if (DEBUG_BATCH_NESTING) checkBatchEdit();
    if (keyEvent.getAction() == KeyEvent.ACTION_DOWN) {
        if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug();
        // This method is only called for enter or backspace when speaking to old applications
        // (target SDK <= 15 (Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1)), or for digits.
        // When talking to new applications we never use this method because it's inherently
        // racy and has unpredictable results, but for backward compatibility we continue
        // sending the key events for only Enter and Backspace because some applications
        // mistakenly catch them to do some stuff.
        switch (keyEvent.getKeyCode()) {
        case KeyEvent.KEYCODE_ENTER:
            mCommittedTextBeforeComposingText.append("\n");
            mExpectedSelStart += 1;
            mExpectedSelEnd = mExpectedSelStart;
            break;
        case KeyEvent.KEYCODE_DEL:
            if (0 == mComposingText.length()) {
                if (mCommittedTextBeforeComposingText.length() > 0) {
                    mCommittedTextBeforeComposingText.delete(
                            mCommittedTextBeforeComposingText.length() - 1,
                            mCommittedTextBeforeComposingText.length());
                }
            } else {
                mComposingText.delete(mComposingText.length() - 1, mComposingText.length());
            }
            if (mExpectedSelStart > 0 && mExpectedSelStart == mExpectedSelEnd) {
                // TODO: Handle surrogate pairs.
                mExpectedSelStart -= 1;
            }
            mExpectedSelEnd = mExpectedSelStart;
            break;
        case KeyEvent.KEYCODE_UNKNOWN:
            if (null != keyEvent.getCharacters()) {
                mCommittedTextBeforeComposingText.append(keyEvent.getCharacters());
                mExpectedSelStart += keyEvent.getCharacters().length();
                mExpectedSelEnd = mExpectedSelStart;
            }
            break;
        default:
            final String text = StringUtils.newSingleCodePointString(keyEvent.getUnicodeChar());
            mCommittedTextBeforeComposingText.append(text);
            mExpectedSelStart += text.length();
            mExpectedSelEnd = mExpectedSelStart;
            break;
        }
    }
    if (isConnected()) {
        mIC.sendKeyEvent(keyEvent);
    }
}

源代码7 项目： Indic-Keyboard 文件： RichInputConnection.java

public void sendKeyEvent(final KeyEvent keyEvent) {
    if (DEBUG_BATCH_NESTING) checkBatchEdit();
    if (keyEvent.getAction() == KeyEvent.ACTION_DOWN) {
        if (DEBUG_PREVIOUS_TEXT) checkConsistencyForDebug();
        // This method is only called for enter or backspace when speaking to old applications
        // (target SDK <= 15 (Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1)), or for digits.
        // When talking to new applications we never use this method because it's inherently
        // racy and has unpredictable results, but for backward compatibility we continue
        // sending the key events for only Enter and Backspace because some applications
        // mistakenly catch them to do some stuff.
        switch (keyEvent.getKeyCode()) {
        case KeyEvent.KEYCODE_ENTER:
            mCommittedTextBeforeComposingText.append("\n");
            mExpectedSelStart += 1;
            mExpectedSelEnd = mExpectedSelStart;
            break;
        case KeyEvent.KEYCODE_DEL:
            if (0 == mComposingText.length()) {
                if (mCommittedTextBeforeComposingText.length() > 0) {
                    mCommittedTextBeforeComposingText.delete(
                            mCommittedTextBeforeComposingText.length() - 1,
                            mCommittedTextBeforeComposingText.length());
                }
            } else {
                mComposingText.delete(mComposingText.length() - 1, mComposingText.length());
            }
            if (mExpectedSelStart > 0 && mExpectedSelStart == mExpectedSelEnd) {
                // TODO: Handle surrogate pairs.
                mExpectedSelStart -= 1;
            }
            mExpectedSelEnd = mExpectedSelStart;
            break;
        case KeyEvent.KEYCODE_UNKNOWN:
            if (null != keyEvent.getCharacters()) {
                mCommittedTextBeforeComposingText.append(keyEvent.getCharacters());
                mExpectedSelStart += keyEvent.getCharacters().length();
                mExpectedSelEnd = mExpectedSelStart;
            }
            break;
        default:
            final String text = StringUtils.newSingleCodePointString(keyEvent.getUnicodeChar());
            mCommittedTextBeforeComposingText.append(text);
            mExpectedSelStart += text.length();
            mExpectedSelEnd = mExpectedSelStart;
            break;
        }
    }
    if (isConnected()) {
        mIC.sendKeyEvent(keyEvent);
    }
}

方法所在类

android.view.KeyEvent