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安卓EditText 输入时回车键的监听

先设置edittext的imeOptions属性
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android:imeOptions="actionDone"

然后设置edittextview的setOnEditorActionListener事件
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edittext.setOnEditorActionListener(new OnEditorActionListener() {
        @Override
        public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
            if (actionId == EditorInfo.IME_ACTION_DONE) {
                // do something
            }
            return true;
        });
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