在修改交易密码界面用到一个自定义输入框
类似这种(原谅丑了点~)
结果昨天有用户反馈在VIVO手机上回出现,Del键无效的问题~~~
最后发现是:EdiText的OnKeyListener
没有响应。
最后搜搜了一下,找到了解决方案:重写EdiTextView的InputConnectionWrapper
的方法后解决了问题:
代码如下:
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public class ZanyEditText extends EditText { private OnDelKeyEventListener delKeyEventListener; public ZanyEditText(Context context, AttributeSet attrs, int defStyle) { super (context, attrs, defStyle); } public ZanyEditText(Context context, AttributeSet attrs) { super (context, attrs); } public ZanyEditText(Context context) { super (context); } @Override public InputConnection onCreateInputConnection(EditorInfo outAttrs) { return new ZanyInputConnection( super .onCreateInputConnection(outAttrs), true ); } private class ZanyInputConnection extends InputConnectionWrapper { public ZanyInputConnection(InputConnection target, boolean mutable) { super (target, mutable); } @Override public boolean sendKeyEvent(KeyEvent event) { if (event.getAction() == KeyEvent.ACTION_DOWN && event.getKeyCode() == KeyEvent.KEYCODE_DEL) { if (delKeyEventListener != null ) { delKeyEventListener.onDeleteClick(); return true ; } } return super .sendKeyEvent(event); } @Override public boolean deleteSurroundingText( int beforeLength, int afterLength) { if (beforeLength == 1 && afterLength == 0 ) { return sendKeyEvent( new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DEL)) && sendKeyEvent( new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_DEL)); } return super .deleteSurroundingText(beforeLength, afterLength); } } /** * * 功能描述: <br> * 〈功能详细描述〉 * * @param delKeyEventListener EditText删除回调 */ public void setDelKeyEventListener(OnDelKeyEventListener delKeyEventListener) { this .delKeyEventListener = delKeyEventListener; } public interface OnDelKeyEventListener { void onDeleteClick(); } } |
参考:http://stackoverflow.com/questions/4886858/android-edittext-deletebackspace-key-event%22
以上所述是小编给大家介绍的VIVO手机上del键无效OnKeyListener不响应的原因及解决方法,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持!
原文链接:http://blog.csdn.net/yanghuiyu38/article/details/53638601