我想检查我的文本框是否为空进行验证的目的,但我收到一条错误消息cannot resolve method isEmpty
检查文本框在Android是空的工作室
这是我的部分编码:
private void addMovie(){
DatabaseHandler databaseHandler = new DatabaseHandler(getApplicationContext());
if(getIntent().getExtras()== null){
databaseHandler.insertRow(
mvidEditText.getText().toString(),
mvtitleEditText.getText().toString(),
mvtypeEditText.getText().toString(),
mvstoryEditText.getText().toString(),
mvratingEditText.getText().toString(),
mvlanguageEditText.getText().toString(),
Integer.parseInt(mvruntimeEditText.getText().toString()));
if (mvidEditText.isEmpty() || mvtitleEditText.matc) {
Toast.makeText(this, "You did not enter a username", Toast.LENGTH_SHORT).show();
return;
}
}else {
databaseHandler.updateRow(rowID,
mvidEditText.getText().toString(),
mvtitleEditText.getText().toString(),
mvtypeEditText.getText().toString(),
mvstoryEditText.getText().toString(),
mvratingEditText.getText().toString(),
mvlanguageEditText.getText().toString(),
Integer.parseInt(mvruntimeEditText.getText().toString()));
}
}
是否有任何方式来做到这一点?我也从堆栈溢出做了一些研究。谢谢。
http://stackoverflow.com/questions/11632678/to-check-if-all-edittext-are-empty – 2015-04-04 08:55:57