当用户将焦点设置在具有数字输入法的EditText上时,数字键盘上按下的键应该应用于所关注的EditText。我目前的方法是使用数字输入法在每个EditText上设置一个OnFocusChanged侦听器,然后记住焦点控件:
EditText txt1 = (EditText) findViewById(R.id.editText1)v; // focused is a member of the Activit
当我向firebase发送数据时,我的android studio应用程序总是崩溃,logcat给了我这个错误: java.lang.RuntimeException:在com.google.firebase.firestore.util.CustomClassMapper$BeanMapper.(CustomClassMapper.java:629) at com.google.firebase.firestore.util.CustomClassMapper.loadOrCreateBeanMapperForClass(CustomClassMapper.java:377) at com