Android 防止2个相互影响的 EditText 死循环
发布时间：2021-11-21 21:15:32 所属栏目：教程 来源：互联网
导读：Android两个EditText同时设置TextChangedListener后，会使程序进入死循环，解决方法如下： etExchangeRateEn = (EditText) findViewById(R.id.etExchangeRateEn); etExchangeRateCn = (EditText) findViewById(R.id.etExchangeRateCn); twEN = new TextWatch
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Android两个EditText同时设置TextChangedListener后，会使程序进入死循环，解决方法如下： etExchangeRateEn = (EditText) findViewById(R.id.etExchangeRateEn); etExchangeRateCn = (EditText) findViewById(R.id.etExchangeRateCn); twEN = new TextWatcher() { @Override public void afterTextChanged(Editable s) { etExchangeRateCn.addTextChangedListener(twCN); } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { etExchangeRateCn.setText( "CN"); } }; twCN = new TextWatcher() { @Override public void afterTextChanged(Editable s) { etExchangeRateEn.addTextChangedListener(twEN); } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { etExchangeRateEn.setText("EN"); } }; etExchangeRateEn.addTextChangedListener(twEN); etExchangeRateCn.addTextChangedListener(twCN);  （编辑：济南站长网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
