I have a button with id "ok" in my dialog.
Partial - Dialog Layout:
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_margin="8dp"
android:layout_below="#+id/licenseTypeLayout">
<Button
android:id="#+id/ok"
style="#style/agreement_text"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Ok"/>
</LinearLayout>
In activity:
Dialog dialog;
#OptionsItem(R.id.action_about)
boolean displayPopup() {
dialog = new Dialog(this);
dialog.setContentView(R.layout.about_dialog);
dialog.setTitle(R.string.app_name);
dialog.show();
Button btn=(Button)findViewById(R.id.ok);
//btn remains empty
return true;
}
How would I write onClick() event for this button?
To initialize the Button, you need to use the Dialog object
Button btn = (Button) dialog.findViewById(R.id.ok);
Then set OnClickListener to the Button using setOnClickListener() as follows...
btn.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View arg0) {
//write your code here
}
});
I would guess you make the method:
public void closeDialog(View v){
// Do what you want to do here (event handler)
}
?
Related
I have a button that calls a dialog. From that button i have 8 buttons: 1,2,3,4,5,6,7, and cancel. These buttons will be used to change the text of the button. The thing is that it doesn't do anything if i set the text inside the dialog.
buttonDefineHits = (Button) rowView.findViewById(R.id.button_define_hits);
buttonDefineHits.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
//Dialog 1-7 i x para definir los holes
setDialogSetHits();
}
});
.
private void setDialogSetHits(){
final Dialog dialogConfirmPlayers = new Dialog (activity);
dialogConfirmPlayers.setCancelable(false);
dialogConfirmPlayers.setContentView(R.layout.dialog_set_hits);
Button button1Hit = (Button) dialogConfirmPlayers.findViewById(R.id.button_1_hit);
button1Hit.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
//Dialog 1-7 i x para definir los holes
buttonDefineHits.setText("1");
dialogConfirmPlayers.cancel();
}
});
dialogConfirmPlayers.show();
}
You can set the Text of a Button that is defined in a activity from the dialogBox. I guess Aniruddha is wrong in his comment. I mean yes the user cannot have a "Iteration" with the Activity's UI elements as long as a Dialog is shown over it, But programatically you can change the Text property of the Button in your activity. To confirm, this is what I tried:
Created a Dialog on the click event of ImageView.
From the Dialog Button's Click listener, I changed the Text of a editText in the Activity.
Similarly, you should also be able to set the text of the button from the dialog button's click listener.
I think you should remove the 7 buttons from your dialog, and for testing purpose just have one button on it. Then handle the click event on this button and try n set the Activity button's Text. This should work like charm.
Then later you can integrate your 7-buttons.
Here is the working example, you need to modify it accordingly
activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="#dimen/activity_vertical_margin"
android:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin"
android:paddingTop="#dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<TextView
android:layout_width="wrap_content"
android:id="#+id/tv1"
android:layout_height="wrap_content"
android:text="#string/hello_world" />
<Button
android:id="#+id/buttonMain"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="#+id/tv1"
android:layout_below="#+id/tv1"
android:layout_marginTop="44dp"
android:text="Button" />
</RelativeLayout>
dialog_view.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="OK" />
<Button
android:id="#+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Cancel" />
</LinearLayout>
MainActivity.java
public class MainActivity extends Activity {
TextView t;
Button bMain;
Dialog d;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
t = (TextView) findViewById(R.id.tv1);
bMain = (Button) findViewById(R.id.buttonMain);
bMain.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View v) {
// TODO Auto-generated method stub
d = new Dialog(MainActivity.this);
d.setTitle("Hello Android..!");
d.setContentView(R.layout.dialog_view);
Button bOK = (Button) d.findViewById(R.id.button1);
Button bCancel = (Button) d.findViewById(R.id.button2);
d.show();
bOK.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
t.setText("OK");
bMain.setText("Changed the text");
d.cancel();
}
});
}
});
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
I have dialog button and timepicker created in the same xml code below:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<TimePicker
android:id="#+id/timePicker1"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<LinearLayout android:id="#+id/LinearLayout02" android:layout_height="wrap_content" android:layout_width="fill_parent">
<Button android:layout_height="wrap_content" android:id="#+id/dialog_ok" android:text="OK" android:layout_width="fill_parent" android:layout_weight="1"></Button>
<Button android:layout_height="wrap_content" android:text="Cancel" android:id="#+id/dialog_cancel" android:layout_width="fill_parent" android:layout_weight="1"></Button>
</LinearLayout>
</LinearLayout>
And then i created dialog in java code and also bring in the dialog and timepicker from xml code as showen below:
public void TimePickerDialog(){
final Dialog dialog = new Dialog(this);
dialog.setContentView(R.layout.sign_in_dialog);
/////////////////////updated code////////////////////
TimePicker timePicker1 = (TimePicker) findViewById(R.id.timePicker1);
timePicker1.setIs24HourView(true);
/////////////////////////////////
dialog.setTitle("Quick Mute");
//Allow the dialog to be cancelable
dialog.setCancelable(true);
// Here we add functionality to our dialog box's content. In this example it's the two buttons
//reference the button
Button okButton = (Button) dialog.findViewById(R.id.dialog_ok);
//Create a click listener
okButton.setOnClickListener(new OnClickListener() {
//override the onClick function to do something
public void onClick(View v) {
}
});
//reference the button
Button cancelButton = (Button) dialog.findViewById(R.id.dialog_cancel);
//Create a click listener
cancelButton.setOnClickListener(new OnClickListener() {
//override the onClick function to do something
public void onClick(View v) {
//Close the dialog</span>
dialog.dismiss();
}
});
//finally show the dialog
dialog.show();
}
The problem i have is how do i get access to the timepicker that was created in xml code so that i can make the timepicker 24 hour timepicker? ... and also how do i get the time from the timepicker that is in xml code?
Just like its usually done:
TimePicker timePicker = (TimePicker)dialog.findViewById(R.id.timePicker1);
and as usual this only works after dialog.setContentView is called. Then, to get the time picked, call:
timePicker.getCurrentHour();
timePicker.getCurrentMinute();
You can't set the 24 hours mode in the XML, use MyTimePicker.setIs24HourView(boolean) instead.
See this example on how to get the time.
These are the steps to get the instance of a TimePicker:
final Dialog mTimeDialog = new Dialog(this);
final RelativeLayout mTimeDialogView = (RelativeLayout)getLayoutInflater().inflate(R.layout.time_dialog, null);
final TimePicker mTimePicker = (TimePicker) mTimeDialogView.findViewById(R.id.TimePicker);
mTimePicker.setIs24HourView(true);
here I have a custom dialog with background 2 ImageButton inside it.
the problem is, when I try to set onclick listener to that buttons, the program will return NullPointerException. I don't know why is this happen. how to assign operation to button inside dialog anyway??
pause menu xml :
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_height="wrap_content" android:id="#+id/linearLayout1" android:layout_width="wrap_content" android:background="#drawable/pause_menu_cropped" android:layout_gravity="center" android:gravity="center|center_horizontal">
<TableLayout android:layout_width="wrap_content" android:id="#+id/tableLayout1" android:layout_height="wrap_content">
<ImageButton android:src="#drawable/pause_button_option" android:layout_width="wrap_content" android:background="#drawable/pause_button_option" android:layout_height="wrap_content" android:id="#+id/btn_pause_option"></ImageButton>
<ImageButton android:src="#drawable/pause_button_quit" android:layout_width="wrap_content" android:background="#drawable/pause_button_quit" android:layout_height="wrap_content" android:id="#+id/btn_pause_quit"></ImageButton>
</TableLayout>
</LinearLayout>
dialog code
Dialog pauseMenu = new Dialog(this, R.style.NewDialog);
pauseMenu.setContentView(R.layout.pause_menu);
ImageButton quit = (ImageButton)findViewById(R.id.btn_pause_quit);
quit.setOnClickListener(
new OnClickListener() {
#Override
public void onClick(View v) {
TestActivity.this.finish();
}
});
return pauseMenu;
the code is returning error in line
quit.setOnClickListener();
ImageButton quit =
(ImageButton)findViewById(R.id.btn_pause_quit);
should be
ImageButton quit = (ImageButton)pauseMenu.findViewById(R.id.btn_pause_quit);
This happens because findViewById is invoked for the activity, and it doesn't have btn_pause_quit button in it's layout. But your dialog has.
U can use this custom dialog and onclicklistener..
public class CustomizeDialog extends Dialog implements OnClickListener {
Button okButton;
public CustomizeDialog(Context context) {
super(context);
/** 'Window.FEATURE_NO_TITLE' - Used to hide the title */
requestWindowFeature(Window.FEATURE_NO_TITLE);
/** Design the dialog in main.xml file */
setContentView(R.layout.main);
okButton = (Button) findViewById(R.id.OkButton);
okButton.setOnClickListener(this);
}
#Override
public void onClick(View v) {
/** When OK Button is clicked, dismiss the dialog */
if (v == okButton)
dismiss();
}
}
I think your onClickListener should be DialogInterface.OnClickListener
This question already has answers here:
How to prevent a dialog from closing when a button is clicked
(21 answers)
Closed 3 years ago.
The subject kinda says it all.. I'm requesting a PIN code from the user, if they enter it, click the OK Positive Button and the PIN is incorrect I want to display a Toast but keep the dialog open. At the moment it closes automatically.. Sure this is very trivial thing to correct but can't find the answer yet.
Thanks..
You do not need to create a custom class. You can register a View.OnClickListener for the AlertDialog. This listener will not dismiss the AlertDialog. The trick here is that you need to register the listener after the dialog has been shown, but it can neatly be done inside an OnShowListener. You can use an accessory boolean variable to check if this has already been done so that it will only be done once:
/*
* Prepare the alert with a Builder.
*/
AlertDialog.Builder b = new AlertDialog.Builder(this);
b.setNegativeButton("Button", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int which) {}
});
this.alert = b.create();
/*
* Add an OnShowListener to change the OnClickListener on the
* first time the alert is shown. Calling getButton() before
* the alert is shown will return null. Then use a regular
* View.OnClickListener for the button, which will not
* dismiss the AlertDialog after it has been called.
*/
this.alertReady = false;
alert.setOnShowListener(new DialogInterface.OnShowListener() {
#Override
public void onShow(DialogInterface dialog) {
if (alertReady == false) {
Button button = alert.getButton(DialogInterface.BUTTON_NEGATIVE);
button.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
//do something
}
});
alertReady = true;
}
}
});
Part of this solution was provided by http://groups.google.com/group/android-developers/browse_thread/thread/fb56c8721b850124#
Build a custom dialog with a EditText with the attribute android:password="true" a button, then manually set onClick listener the button, and explicitly choose what to do in it.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical">
<EditText
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:minWidth="180dip"
android:digits="1234567890"
android:maxLength="4"
android:password="true"/>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<Button
android:id="#+id/Accept"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Accept"/>
</LinearLayout>
</LinearLayout>
Then when you want it to pop up:
final Dialog dialog = new Dialog(RealizarPago.this);
dialog.setContentView(R.layout.custom_dialog);
dialog.setTitle("PIN number:");
dialog.setCancelable(true);
Button button = (Button) dialog.findViewById(R.id.Accept);
button.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View v) {
if(password_wrong){
// showToast
} else{
dialog.dismiss();
// other stuff to do
}
}
});
dialog.show();
You can set an OnClickListener as follows to keep the dialog open:
public class MyDialog extends AlertDialog {
public MyDialog(Context context) {
super(context);
setMessage("Hello");
setButton(AlertDialog.BUTTON_POSITIVE, "Ok", (new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialog, int which) {
// this will never be called
}
});
}
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
if (ok) {
// do something
dismiss();
} else {
Toast.makeText(getContext(), "when you see this message, the dialog should stay open", Toast.LENGTH_SHORT).show();
}
}
});
}
}
You can just continue using the dialog you already have, just put an if clause in the onClick() saying
if(pin_check_method){ //pin_check_method should be a boolean returned method
//close the Dialog, then continue
}
else{
//dont put the dialog.dismiss() in here, put instead
Toast.makeText(getApplicationContext(),"Invalid pin, please try again",Toast.LENGTH_LONG).show();
}
Now, to use this code, simply invoke text.setText(""); and put in the text you want here
common error is that when you type in:
TextView text = (TextView) findViewById(R.id.dialog);
you miss that it needs to actually be
dialog.findViewById
and this is regardless of what the name of the dialog is, in my example it just happens to be the same name.
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/layout_root"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView android:id="#+id/text"
android:layout_height="wrap_content"
android:textColor="#FFF"
android:layout_centerHorizontal="true"
android:layout_width="wrap_content"/>
<Button android:text="Continue"
android:id="#+id/Button01"
android:layout_width="fill_parent"
android:layout_height="wrap_content" android:layout_below="#+id/text">
</Button>
</RelativeLayout>
Try this:
final AlertDialog alertDialog = new AlertDialog.Builder(context)
.setView(v)
.setTitle(R.string.my_title)
.setPositiveButton(android.R.string.ok, null) //Set to null. We override the onclick
.setNegativeButton(android.R.string.cancel, null)
.create();
alertDialog.setOnShowListener(new DialogInterface.OnShowListener() {
#Override
public void onShow(DialogInterface dialog) {
Button b = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
b.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
// TODO Do something
}
});
}
});
alertDialog.show();
Source: Prevent Alertdialog from closing after button click
Hope This Helps! Good Luck!
Same problem for me in a FragmentDialog. Here's my criminal/elegant solution:
Remove all buttons from the dialog (positive,negative,neutral). Add your buttons from the xml.eg.:
<LinearLayout
android:layout_width="match_parent"
android:orientation="horizontal"
android:layout_height="wrap_content">
<Button
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content"
android:id="#+id/button_cancel"
style="#style/Widget.AppCompat.Button.Borderless.Colored"
android:text="#android:string/cancel"
android:layout_gravity="left"
/>
<Button
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content"
android:id="#+id/button_ok"
style="#style/Widget.AppCompat.Button.Borderless.Colored"
android:text="#android:string/ok"
android:layout_gravity="right"
/>
</LinearLayout>
And then in your code handle it with:
view.findViewById(R.id.button_ok).setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view2) {
if (wannaClose)
dismiss();
else
//do stuff without closing!
}
});
where view is the view assigned to the dialog!
Can anybody tell how to add a button in android?
Check this Android Button tutorial; this simple example creates a Close Button.
All you need to do is:
1.Add Button widget to your Layout
<Button android:id="#+id/close"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:text="#string/title_close" />
2.Attach a setOnClickListener method to the button instance:
protected void onCreate(Bundle savedInstanceState) {
this.setContentView(R.layout.layoutxml);
this.closeButton = (Button)this.findViewById(R.id.close);
this.closeButton.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View v) {
finish();
}
});
}
Dynamic:
Button btn= new Button(this);
btn.settext("Submit");
btn.setOnClickListener(new View.OnClickListener()
{
public void onClick(View view)
{
//your write code
}
});
According to official documentation of Buttons provided by Android.
You can first create Button in your .xml file.
Button.xml
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/button_text"
... />
And then cast your button with Button Class and set ClickListener.
Button button = (Button) findViewById(R.id.button_send);
button.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// Do something in response to button click
}
});
For further detail you can visit this link