[英]How to set a custom button click listener in a Custom Dialog from action bar?
[英]How to set button click listener for Custom Dialog?
我已经创建了一个主要的Dialog
类,在该类上发送布局 ID 并将布局显示为Dialog
现在当我从调用类发送布局时它会弹出对话框但对话框的内容即按钮无法访问我无法设置单击他们的听众。 怎么做?
通话类:-
CustomDialog obj=new CustomDialog(MailSenderActivity.this , R.layout.mydialog);
obj.show();
主班
import android.app.Dialog;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
public class CustomDialog extends Dialog implements
View.OnClickListener {
Dialog dialog;
int id;
public CustomDialog(MailSenderActivity mailsender, int id) {
super(mailsender);
this.id = id;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(id);
Button signInbutton=(Button)findViewById(R.id.signInButton);
Button closebutton=(Button)findViewById(R.id.closeButton);
}
public void closebutton(View v) {
Toast.makeText(getContext(), "You clicked a button!", Toast.LENGTH_LONG).show();
dismiss();
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
}
}
id 是:-
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_height="fill_parent" android:layout_width="fill_parent"
android:padding="30dip" android:orientation="horizontal"
android:weightSum="1"
android:background="@drawable/gmail">
<LinearLayout android:layout_width="296dp"
android:orientation="vertical" android:layout_gravity="center"
android:layout_weight="1.51" android:layout_height="497dp">
<TextView android:text="My Dialog" android:textSize="24.5sp"
android:layout_width="wrap_content" android:layout_gravity="center"
android:layout_height="wrap_content" android:layout_marginBottom="25dip"></TextView>
<TextView android:text="Enter Gmail Id" android:layout_width="fill_parent"
android:layout_height="wrap_content"></TextView>
<EditText android:id="@+id/name" android:layout_width="358dp"
android:singleLine="true" android:layout_height="wrap_content">
</EditText>
<TextView android:text="Enter Gmail Password"
android:layout_width="fill_parent" android:layout_height="wrap_content"></TextView>
<EditText android:id="@+id/name" android:layout_width="314dp"
android:singleLine="true" android:layout_height="wrap_content"
android:password="false" android:inputType="textPassword"></EditText>
<Button android:text="Sign In" android:layout_width="67dp"
android:id="@+id/signInButton" android:layout_height="wrap_content"
android:clickable="true" android:onClick="signIn"></Button>
<Button android:text="close" android:layout_width="67dp"
android:id="@+id/closeButton" android:layout_height="wrap_content"
android:clickable="true" android:onClick="closeButton"></Button>
</LinearLayout>
</LinearLayout>
dialog_bring_button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
final Dialog dialog = new Dialog(MyActivity.this);
dialog.setContentView(R.layout.MyCustomDialogxmlfile);
dialog.show();
/* My Cancel Button , and its listener */
my_cancel_btn=(Button)dialog.findViewById(R.id.datesetbtn);
my_cancel_btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
}
});
}
});
你去吧:
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(id);
Button signInbutton=(Button)findViewById(R.id.signInButton);
signInButton.setOnClickListener(this);
Button closebutton=(Button)findViewById(R.id.closeButton);
closeButton.setOnClickListener(this);
}
@Override
public void onClick(View v) {
if(R.id.closeButton == v.getId()) {
closeButton(v);
} else {
// do the same for signInButton
}
}
建议先学好基础。
我发现代码更清晰地分离我的点击处理程序。 在 onCreate 方法中添加:
signInbutton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// do stuff for signInButtonClick
}
});
// same for other button
在 2019 年,这对我来说很有效。 您可以使用按钮更改文本视图。
Dialog mdialog = new Dialog(this);
mdialog.setContentView(R.layout.activity_select_type);
mdialog.show();
TextView view = mdialog.findViewById(R.id.viewQuotes);
view.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(MainActivity.this, "Working...", Toast.LENGTH_SHORT).show();
}
});
dialog = new Dialog(this);
dialog.setContentView(R.layout.custom_dialog);
dialog.setTitle("Custom Dialog");
Button dialog_btn = (Button) dialog.findViewById(R.id.dialog_button);
dialog_btn.setOnClickListener(new View.OnClickListener()
{
// Perform button logic
}
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setIcon(R.drawable.warning);
builder.setTitle("Warning");
final LinearLayout backAlarmDialogLayout = (LinearLayout) getLayoutInflater()
.inflate(R.layout.custumedialog_layou, null);
builder.setView(backAlarmDialogLayout);
builder.setCancelable(true);
backAlarmDialog = builder.create();
设置这些代码以像这样在 onCreate 中初始化您的装扮对话框,如果您想向按钮添加侦听器,您可以编写另一种方法,例如
public void onClickCancel(View view){
backAlarmDialog.dismiss();
}
然后你使用
android:onClick="onClickCancel"
在 XML.files 中的按钮中,您为对话框装扮了,我尝试了其他方法,但它们不起作用,我不知道为什么会这样。也许有人会解决我的问题。 ||==
submit.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v)
{
CustomDialog dialog1 = new CustomDialog(Classname.this);
dialog1.setContentView(R.layout.submitdialog);
dialog1.setTitle(" SUBMIT :");
TextView text = (TextView) dialog1.findViewById(R.id.message);
text.setText(" Your Answer is correct ");
}
}
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