<div contenteditable="true"></div>
我用它在 webview 中做一个富编辑器
TapInputConnection
然后在 Webview 中覆盖方法
@Override
public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
return new TapInputConnection(super.onCreateInputConnection(outAttrs));
}
class TapInputConnection implements InputConnection {
private InputConnection mConnection;
public TapInputConnection(InputConnection conn){
this.mConnection = conn;
}
@Override
public CharSequence getTextBeforeCursor(int n, int flags) {
return mConnection.getTextBeforeCursor(n, flags);
}
@Override
public CharSequence getTextAfterCursor(int n, int flags) {
return mConnection.getTextAfterCursor(n, flags);
}
@Override
public CharSequence getSelectedText(int flags) {
return mConnection.getSelectedText(flags);
}
@Override
public int getCursorCapsMode(int reqModes) {
return mConnection.getCursorCapsMode(reqModes);
}
@Override
public ExtractedText getExtractedText(ExtractedTextRequest request, int flags) {
return mConnection.getExtractedText(request, flags);
}
@Override
public boolean deleteSurroundingText(int beforeLength, int afterLength) {
return mConnection.deleteSurroundingText(beforeLength, afterLength);
}
@Override
public boolean setComposingText(CharSequence text, int newCursorPosition) {
return mConnection.setComposingText(text, newCursorPosition);
}
@Override
public boolean setComposingRegion(int start, int end) {
return mConnection.setComposingRegion(start, end);
}
@Override
public boolean finishComposingText() {
return mConnection.finishComposingText();
}
@Override
public boolean commitText(CharSequence text, int newCursorPosition) {
return mConnection.commitText(text, newCursorPosition );
}
@Override
public boolean commitCompletion(CompletionInfo text) {
return mConnection.commitCompletion(text);
}
@Override
public boolean commitCorrection(CorrectionInfo correctionInfo) {
return mConnection.commitCorrection(correctionInfo);
}
@Override
public boolean setSelection(int start, int end) {
return mConnection.setSelection(start, end);
}
@Override
public boolean performEditorAction(int editorAction) {
return mConnection.performEditorAction(editorAction);
}
@Override
public boolean performContextMenuAction(int id) {
return mConnection.performContextMenuAction(id);
}
@Override
public boolean beginBatchEdit() {
return mConnection.beginBatchEdit();
}
@Override
public boolean endBatchEdit() {
return mConnection.endBatchEdit();
}
@Override
public boolean sendKeyEvent(KeyEvent event) {
if (event.getKeyCode() == KeyEvent.KEYCODE_DEL) {
if (event.getAction() == KeyEvent.ACTION_UP) {
delete();
}
return true;
}
return mConnection.sendKeyEvent(event);
}
@Override
public boolean clearMetaKeyStates(int states) {
return false;
}
@Override
public boolean reportFullscreenMode(boolean enabled) {
return mConnection.reportFullscreenMode(enabled);
}
@Override
public boolean performPrivateCommand(String action, Bundle data) {
return mConnection.performPrivateCommand(action, data);
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
@Override
public boolean requestCursorUpdates(int cursorUpdateMode) {
return mConnection.requestCursorUpdates(cursorUpdateMode);
}
}
您已经意识到我会覆盖sendKeyEvent
并自己处理Delete
Key
这是delete()
功能;
public void delete(){
loadurl("javascript:document.execCommand('delete', false, null);");
}