我想使用异步事件来加密输入到texbox中的文本,例如。按下按钮。它编译时没有错误,但按下按钮时没有任何反应。从我在论坛上收集的内容来看,我的背景是错误的。有人能帮我吗?以下是代码:
mSendButton = (Button)findViewById(R.id.button_send);
mSendButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
TextView view = (TextView)findViewById(R.id.edit_text_out);
String message = view.getText().toString();
if (message == "bla") {
Toast.makeText(getApplicationContext(), "Bla was entered", Toast.LENGTH_LONG).show();
}
else {
Toast.makeText(getApplicationContext(), "Bye ", Toast.LENGTH_SHORT).show();
}
}
});
答案 0 :(得分:2)
试试这个:
mSendButton = (Button)findViewById(R.id.button_send);
mSendButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
TextView view = (TextView)findViewById(R.id.edit_text_out);
String message = view.getText().toString();
if (message == "bla") {
Toast.makeText(getActivity(), "Bla was entered", Toast.LENGTH_LONG).show();
}
else {
Toast.makeText(getActivity(), "Bye ", Toast.LENGTH_SHORT).show();
}
}
});
或:
mSendButton = (Button)findViewById(R.id.button_send);
mSendButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
TextView view = (TextView)findViewById(R.id.edit_text_out);
String message = view.getText().toString();
if (message == "bla") {
Toast.makeText(getContext(), "Bla was entered", Toast.LENGTH_LONG).show();
}
else {
Toast.makeText(getContext(), "Bye ", Toast.LENGTH_SHORT).show();
}
}
});
答案 1 :(得分:0)
您确定没有堆栈跟踪吗?
您的代码似乎是正确的,至少如果它在活动中。
建议: