软键盘输入键事件句柄 [英] Soft keyboard enter key event handle
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问题描述
我想在软键盘上做一些事情,按Enter键.请参阅下面的代码和输出.它执行两次,但是我希望它只能执行一次.如何解决?
I want to do some stuff on soft keyboard enter key press. See my code and output below. It executes twice, but I want it to be executed only once. How to fix it?
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
txt = (EditText)findViewById(R.id.txt);
txt.setOnKeyListener(new OnKeyListener() {
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_ENTER) {
Log.e("test","--------- on enter");
return false;
}
return false;
}
});
}
推荐答案
可能的最佳方法:
if (keyCode == KeyEvent.KEYCODE_ENTER && event.getAction() == KeyEvent.ACTION_DOWN) {
Log.d(TAG, "enter_key_called");
}
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