I am trying to create a filter function, I have a pop up window in my Search activity it displays list of switches where the user can turn some of them off and on..
I got the pop up to display fine but whenever I tick any switch the value is not being passed to the search activity and not doing anything.
here is my codes:
search Activity snippet:
filter.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
initiatePopupWindow();
}
});
popup function (inside SearchActivity)
private void initiatePopupWindow() {
try {
// We need to get the instance of the LayoutInflater
LayoutInflater inflater = (LayoutInflater)SearchActivity.this
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View layout = inflater.inflate(R.layout.activity_filter,
(ViewGroup) findViewById(R.id.popup_element));
pwindo = new PopupWindow(layout ,ViewGroup.LayoutParams.WRAP_CONTENT,
ViewGroup.LayoutParams.WRAP_CONTENT,true);
pwindo.showAtLocation(layout, Gravity.CENTER, 0, 0);
switch1 = (Switch) findViewById(R.id.parking);
switch2 = (Switch) findViewById(R.id.delivery);
switch3 = (Switch) findViewById(R.id.reservation);
switch4 = (Switch) findViewById(R.id.bar);
switch5 = (Switch) findViewById(R.id.card);
switch6 = (Switch) findViewById(R.id.wifi);
switch7 = (Switch) findViewById(R.id.terrace);
btnClosePopup = (Button) layout.findViewById(R.id.btn_close_popup);
btnClosePopup.setOnClickListener(cancel_button_click_listener);
switch1.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
#Override
public void onCheckedChanged(CompoundButton compoundButton, boolean bChecked) {
if (bChecked) {
parking_filter=1;
Toast.makeText(getApplicationContext(),
"Searching Database using : " + parking_filter,
Toast.LENGTH_SHORT).show();
} else {
parking_filter=0;
Toast.makeText(getApplicationContext(),
"Searching Database using : " + parking_filter,
Toast.LENGTH_SHORT).show();
}
}
});
activity_filter.xml (switches)
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/popup_element"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="#color/cardview_light_background"
android:padding="10sp" >
<Switch
android:id="#+id/delivery"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:text="Has Delivery"
android:layout_below="#+id/reservation"
android:layout_alignParentStart="true" />
<Switch
android:id="#+id/parking"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Has Parking"
android:layout_marginTop="20dp"
android:layout_alignParentTop="true"
android:layout_alignParentStart="true" />
<Switch
android:id="#+id/reservation"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Takes Reservations"
android:layout_marginTop="20dp"
android:layout_below="#+id/terrace"
android:layout_alignParentStart="true" />
<Switch
android:id="#+id/terrace"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:text="outdoor seating"
android:layout_below="#+id/bar"
android:layout_alignParentStart="true" />
<Switch
android:id="#+id/wifi"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:text="Has Wifi"
android:layout_below="#+id/parking"
android:layout_alignParentStart="true" />
<Switch
android:id="#+id/bar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:text="Has Bar"
android:layout_below="#+id/wifi"
android:layout_alignParentStart="true" />
<Switch
android:id="#+id/card"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Accept Cards"
android:layout_marginTop="20dp"
android:layout_below="#+id/delivery"
android:layout_alignParentStart="true" />
<Button
android:id="#+id/btn_close_popup"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Close"
android:layout_below="#+id/card" />
</RelativeLayout>
I am using "toast" to keep track of the "parking filter" value but with no avail. in the log
java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Switch.setOnCheckedChangeListener(android.widget.CompoundButton$OnCheckedChangeListener)' on a null object reference
Instead of:
switch1 = (Switch) findViewById(R.id.parking);
Do:
switch1 = (Switch) layout.findViewById(R.id.parking);
Your switch is null because you are looking for it in wrong place.
You must find view by id in exact layout that you inflating;
Change this
switch1 = (Switch) findViewById(R.id.parking);
to this
switch1 = (Switch) layout.findViewById(R.id.parking);
Related
I have an android application when clicked on an option from a side bar it goes to a fragment, and then into another fragment which has clickable radio buttons. When clicked on these it will create a popup window with some text fields in it.
Basically this is how the flow goes,
Activity --> Fragment 1 --> Fragment 2 --> PopupWindow
When i try to access the resources inside this popupWindow, in example:
damageComponenetAutoCompleteTextview = (AutoCompleteTextView) findViewById(R.id.popup_damage_component_item);
damageComponenetAutoCompleteTextview.requestFocus();
in the line damageComponenetAutoCompleteTextview.requestFocus(); it gives me an error,
Attempt to invoke virtual method on a null object reference
I believe it's due to a wrong view i'm referring when calling on the Resources. Hope someone could point me to what i'm doing wrong. Thanks in Advance.
This is the method i'm using to create the popupWindow.
public void showDamagedItemEntryPopup(RadioButton radioButton, View view){
LayoutInflater layoutInflater = (LayoutInflater)getBaseContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
ViewGroup viewG = ((ViewGroup)view.findViewById(R.id.damaged_comp_popup));
//I tried passing the root view to inflate() method instead of passing it null. Didn't work.
//View popupView = layoutInflater.inflate(R.layout.component_selection_popup, null);
View popupView = layoutInflater.inflate(R.layout.component_selection_popup, null);
final PopupWindow popupWindow = new PopupWindow(
popupView,
ViewGroup.LayoutParams.WRAP_CONTENT,
ViewGroup.LayoutParams.WRAP_CONTENT);
popupWindow.setAnimationStyle(R.style.popupAnimation);
//I tried setting the content view manually but didnt work
//popupWindow.setContentView(view.findViewById(R.id.damaged_comp_popup));
Button buttonClose = (Button)popupView.findViewById(R.id.close_add_component_btn);
// Close button damaged item popop window
buttonClose.setOnClickListener(new Button.OnClickListener(){
#Override
public void onClick(View v) {
popupWindow.dismiss();
}
});
originalAmount = (EditText)this.findViewById(R.id.popup_add_component_original_amount);
customerContribution = (EditText)this.findViewById(R.id.popup_percentage);
quantity = (EditText)this.findViewById(R.id.popup_quantity);
finalAmount = (EditText)this.findViewById(R.id.popup_add_component_final_amount);
remarks = (EditText)this.findViewById(R.id.popup_add_component_remarks);
// Item Spinner
itemSpinnerArray = new ArrayList<String>();
itemSpinnerArray.add("Select Item");
// Status Spinner
ArrayList<String> statusSpinnerArray = new ArrayList<String>();
statusSpinnerArray.add("MR");
statusSpinnerArray.add("DR");
statusSpinnerArray.add("SP");
// Error comes at this point initially. When these Resource access line codes are commented, the popup works fine.
damageComponenetAutoCompleteTextview = (AutoCompleteTextView) findViewById(R.id.popup_damage_component_item);
damageComponenetAutoCompleteTextview.requestFocus();
ArrayAdapter<String> itemSpinnerArrayAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_dropdown_item, itemSpinnerArray);
damageComponenetAutoCompleteTextview.setThreshold(1);
damageComponenetAutoCompleteTextview.setAdapter(itemSpinnerArrayAdapter);
damageComponenetAutoCompleteTextview.setOnItemClickListener(new AdapterView.OnItemClickListener() {
#Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
//int index = cityNames.indexOf(actvCity.getText().toString());
itemSpinnerValue = (String) parent.getItemAtPosition(position);
Log.d("SK-->", "----------------------------------------------------------");
Log.d("SK-->","itemSpinnerValue: " + itemSpinnerValue);
}
});
statusSpinner = (Spinner)this.findViewById(R.id.popup_status_spinner);
ArrayAdapter<String> statusSpinnerArrayAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_dropdown_item, statusSpinnerArray);
statusSpinner.setAdapter(statusSpinnerArrayAdapter);
//Creating a text Watcher
TextWatcher textWatcher = new TextWatcher() {
#Override
public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
}
#Override
public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
}
#Override
public void afterTextChanged(Editable editable) {
//here, after we introduced something in the EditText we get the string from it
//String answerString = originalAmount.getText().toString();
if (originalAmount.getText().toString().trim().equals("") || customerContribution.getText().toString().trim().equals("")
|| quantity.getText().toString().trim().equals("")) {
// Error , one or more editText are empty
}
else
{
calculateFinalAmount();
}
//and now we make a Toast
//modify "yourActivity.this" with your activity name .this
//Toast.makeText(yourActivity.this,"The string from EditText is: "+answerString,0).show();
}
};
// Adding Text Watcher to our text boxes
originalAmount.addTextChangedListener(textWatcher);
customerContribution.addTextChangedListener(textWatcher);
quantity.addTextChangedListener(textWatcher);
// Show the popup
popupWindow.showAtLocation(view, Gravity.CENTER, 0, 0);
}
This is the XML i'm using for the popup.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/damaged_comp_popup"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#color/popup_wire">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_margin="2dp"
android:background="#color/popup_background">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<AutoCompleteTextView
android:id="#+id/popup_damage_component_item"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginTop="20dp"
android:layout_marginBottom="5dp"
android:hint="#string/damaged_componenet_item_string"/>
<Spinner
android:id="#+id/popup_status_spinner"
android:layout_width="122dp"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="#+id/popup_damage_component_item"
android:layout_marginLeft="10dp"
android:layout_marginTop="0dp"
android:layout_marginBottom="5dp"
android:layout_marginRight="5dp" />
<EditText
android:id="#+id/popup_add_component_original_amount"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/popup_damage_component_item"
android:layout_alignParentRight="true"
android:layout_marginBottom="5dp"
android:layout_marginLeft="5dp"
android:layout_marginRight="10dp"
android:layout_marginTop="22dp"
android:layout_toRightOf="#+id/popup_status_spinner"
android:ems="10"
android:hint="#string/original_amount_string"
android:inputType="number" />
<EditText
android:id="#+id/popup_percentage"
android:layout_width="52dp"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="#+id/popup_status_spinner"
android:layout_marginBottom="5dp"
android:layout_marginLeft="10dp"
android:layout_marginRight="2dp"
android:layout_marginTop="22dp"
android:ems="10"
android:hint="#string/percentage_string"
android:inputType="number" />
<TextView
android:id="#+id/popup_percentageMark"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="#+id/popup_percentage"
android:layout_toRightOf="#+id/popup_percentage"
android:text="#string/percentage_string"
android:textAppearance="?android:attr/textAppearanceMedium"
android:layout_marginLeft="1dp"
android:layout_marginRight="0dp"
android:layout_marginTop="5dp"
android:layout_marginBottom="5dp" />
<EditText
android:id="#+id/popup_quantity"
android:layout_width="46dp"
android:layout_height="wrap_content"
android:layout_alignBaseline="#+id/popup_percentage"
android:layout_alignBottom="#+id/popup_percentage"
android:layout_marginBottom="5dp"
android:layout_marginLeft="5dp"
android:layout_marginRight="6dp"
android:layout_marginTop="5dp"
android:layout_toRightOf="#+id/popup_percentageMark"
android:ems="10"
android:hint="#string/quantity_string"
android:inputType="number" />
<EditText
android:id="#+id/popup_add_component_final_amount"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="#+id/popup_quantity"
android:layout_alignBottom="#+id/popup_quantity"
android:layout_marginBottom="5dp"
android:layout_marginLeft="5dp"
android:layout_marginRight="10dp"
android:layout_alignParentRight="true"
android:layout_marginTop="5dp"
android:layout_toRightOf="#+id/popup_quantity"
android:ems="10"
android:hint="#string/final_amount_string"
android:inputType="number" />
<EditText
android:id="#+id/popup_add_component_remarks"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_below="#+id/popup_percentage"
android:layout_marginBottom="10dp"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginTop="22dp"
android:ems="10"
android:hint="#string/remarks_string"
android:inputType="text|textMultiLine" />
<Button
android:id="#+id/add_component_btn"
android:layout_width="50dp"
android:layout_height="wrap_content"
android:layout_marginLeft="200dp"
android:layout_below="#+id/popup_add_component_remarks"
android:background="#drawable/correct"
android:layout_marginBottom="15dp"
android:onClick="onSaveItem"/>
<Button
android:id="#+id/close_add_component_btn"
android:layout_width="50dp"
android:layout_height="wrap_content"
android:layout_below="#+id/popup_add_component_remarks"
android:layout_toRightOf="#+id/add_component_btn"
android:layout_marginLeft="10dp"
android:background="#drawable/cancel"/>
</RelativeLayout>
</LinearLayout>
It seems your damageComponenetAutoCompleteTextview belongs to the popupWindow which you inflated at top.
So try changing
damageComponenetAutoCompleteTextview = (AutoCompleteTextView) findViewById(R.id.popup_damage_component_item);
To
damageComponenetAutoCompleteTextview = (AutoCompleteTextView) popupView.findViewById(R.id.popup_damage_component_item);
And other relevant elements as well.
My code is as follows:
activity_for_me.xml
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/list"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ListView
android:id="#+id/recco_list"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >
</ListView>
<ImageView
android:id="#+id/checkin"
android:layout_width="wrap_content"
android:layout_height="80dp"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="20dp"
android:onClick="ClickCheckIn"
android:src="#drawable/checkin" />
</RelativeLayout>
recco_list.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/list"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#layout/nine_patch" >
<ImageView
android:id="#+id/outlet_icon"
android:layout_marginLeft="15dp"
android:layout_height="55dp"
android:layout_width="55dp"
android:layout_marginTop="10dp"/>
<TextView
android:id="#+id/distance"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_marginLeft="15dp"
android:hint="Distance"
/>
<TextView
android:id="#+id/outlet_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="#id/outlet_icon"
android:layout_toLeftOf="#id/distance"
android:layout_marginLeft = "15dip"
android:hint="outlet"
/>
<TextView
android:id="#+id/reward"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#id/outlet_name"
android:layout_toRightOf="#id/outlet_icon"
android:layout_toLeftOf="#id/distance"
android:layout_marginLeft = "15dip"
android:layout_marginTop="5dp"
android:textColor="#color/abc_search_url_text_holo"
android:hint="Reward"
/>
<View
android:id="#+id/rule"
android:layout_below="#id/reward"
android:layout_toRightOf="#id/outlet_icon"
android:layout_toLeftOf="#id/distance"
android:layout_width="fill_parent"
android:layout_marginLeft = "15dip"
android:layout_height="1dp"
android:background="#c0c0c0"/>
<ImageView
android:id="#+id/favourite_icon"
android:layout_below="#id/rule"
android:layout_marginLeft="15dp"
android:layout_marginTop="10dp"
android:layout_height="15dp"
android:layout_width="15dp"
android:src="#drawable/heart_empty"/>
<ImageView
android:id="#+id/loc_icon"
android:layout_width="25dp"
android:layout_height="25dp"
android:layout_below="#id/rule"
android:layout_marginLeft = "15dip"
android:layout_marginTop="5dp"
android:layout_toRightOf="#id/outlet_icon"
android:src="#drawable/map_pointer"/>
<TextView
android:id="#+id/locality"
android:layout_toRightOf="#id/loc_icon"
android:layout_toLeftOf="#id/distance"
android:layout_below="#id/rule"
android:layout_marginRight="15dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft = "5dip"
android:layout_marginTop="5dp"
android:hint="Locality"
/>
</RelativeLayout>
Activity.java
public class ForMeActivity extends Fragment {
#SuppressLint("ClickableViewAccessibility")
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
RelativeLayout rootView = (RelativeLayout) inflater.inflate(
R.layout.activity_for_me, container, false);
ImageView favourite_heart = (ImageView) rootView
.findViewById(R.id.favourite_icon);
favourite_heart.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
// Toast.makeText(YourActivityName.this,
// "The favorite list would appear on clicking this icon",
// Toast.LENGTH_LONG).show();
System.out.println("Favourite Icon clicked");
}
});
list = (ListView) rootView.findViewById(R.id.recco_list);
ImageView check_in_img = (ImageView) rootView
.findViewById(R.id.checkin);
ImageView outlet_logo = (ImageView) rootView
.findViewById(R.id.outlet_icon);
final String data = getArguments().getString("data");
ForMeFile = new File(getActivity().getExternalFilesDir(filepath),
filename);
final String cookie = getArguments().getString("cookie");
System.out.print(cookie);
check_in_img.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent in = new Intent(getActivity(), CheckInView.class);
startActivity(in);
System.out.println("Checkin Icon clicked");
}
});
}
I want to change image for favourite_icon ImageView when I click on it. But as soon as I click on the icon I get NullPointerException. What is the reason that click of check_in_img is working but click of favourite_icon is not working even though the current layout is the one which contains favourite_icon? Other sources of SO says to check the same.
favourite_icon is a part of recco_list.xml and you are trying to find it in activity_for_me.xml. The view does not exist there and hence, the exception.
R.id.favourite_icon is not there in activity_for_me.xml.
And if you want to access the items in the listview, I suggest you read about ListView and getView().
I am using Vuforia AR sdk and want to create a button on the camera preview on the screen.
I cannot figure out where and how to add the button.
I have edit the camera_overlay_udt.xml like this.. In my layout design i have placed back button and listview.
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/camera_overlay_layout"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<LinearLayout
android:id="#+id/headerLayout"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:background="#drawable/header"
android:orientation="horizontal" >
<ImageButton
android:id="#+id/backButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:background="#android:color/transparent"
android:src="#drawable/back" />
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="match_parent" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:text="Swipart"
android:textColor="#color/white"
android:textSize="18dp"
android:textStyle="bold" />
<ImageButton
android:id="#+id/arcstarButton"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_alignParentRight="true"
android:layout_centerInParent="true"
android:layout_marginRight="10dp"
android:background="#android:color/transparent"
android:src="#drawable/star_button" />
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:id="#+id/favListingLayout"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/headerLayout"
android:gravity="top"
android:orientation="horizontal"
android:visibility="visible" >
<ListView
android:id="#+id/favlist"
android:layout_width="120dp"
android:layout_height="match_parent"
android:layout_marginBottom="50dp"
android:layout_marginLeft="7dp"
android:cacheColorHint="#00000000" />
</LinearLayout>
<LinearLayout
android:id="#+id/bottom_bar"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_alignParentRight="true"
android:layout_marginRight="10dp"
android:background="#color/overlay_bottom_bar_background"
android:gravity="center_vertical"
android:orientation="horizontal"
android:visibility="visible"
android:weightSum="1" >
<View
android:layout_width="1dp"
android:layout_height="match_parent"
android:background="#color/overlay_bottom_bar_separators" />
<ImageButton
android:id="#+id/camera_button"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:background="#null"
android:contentDescription="#string/content_desc_camera_button"
android:onClick="onCameraClick"
android:paddingBottom="10dp"
android:paddingTop="10dp"
android:src="#drawable/camera_button_background" />
</LinearLayout>
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_above="#id/bottom_bar"
android:background="#color/overlay_bottom_bar_separators" />
</RelativeLayout>
after that please Edit that ImageTargets.java class
private void addOverlayView(boolean initLayout) {
// Inflates the Overlay Layout to be displayed above the Camera View
LayoutInflater inflater = LayoutInflater.from(this);
mUILayouts = (RelativeLayout) inflater.inflate(
R.layout.camera_overlay_udt, null, false);
mUILayouts.setVisibility(View.VISIBLE);
// If this is the first time that the application runs then the
// uiLayout background is set to BLACK color, will be set to
// transparent once the SDK is initialized and camera ready to draw
if (initLayout) {
mUILayouts.setBackgroundColor(Color.TRANSPARENT);
}
// Adds the inflated layout to the view
addContentView(mUILayouts, new LayoutParams(LayoutParams.WRAP_CONTENT,
LayoutParams.WRAP_CONTENT));
// Gets a reference to the bottom navigation bar
mBottomBar = mUILayouts.findViewById(R.id.bottom_bar);
// Gets a reference to the Camera button
mCameraButton = mUILayouts.findViewById(R.id.camera_button);
mCameraButton.setVisibility(View.GONE);
favButton = (ImageButton) mUILayouts.findViewById(R.id.arcstarButton);
listview = (ListView) mUILayouts.findViewById(R.id.favlist);
backButton = (ImageButton) mUILayouts.findViewById(R.id.backButton);
backButton.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View paramView) {
// TODO Auto-generated method stub
finish();
}
});
listview.setVisibility(View.GONE);
galleryList = SendFile.getFavourites();
if (galleryList != null) {
gridviewAdapter = new GridviewAdapter(ImageTargets.this);
listview.setAdapter(gridviewAdapter);
}
favButton.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View v) {
if (galleryList != null && galleryList.size() > 0) {
if (listview.getVisibility() == View.GONE) {
listview.setVisibility(View.VISIBLE);
} else {
listview.setVisibility(View.GONE);
}
} else {
Toast.makeText(ImageTargets.this, "Favourites not fond",
Toast.LENGTH_LONG).show();
}
}
});
listview.setOnItemClickListener(new OnItemClickListener() {
#Override
public void onItemClick(AdapterView<?> paramAdapterView,
View paramView, int positon, long paramLong) {
SendFile.setFavourite(galleryList.get(positon));
Intent intent = new Intent(ImageTargets.this,
LoadingScreen.class);
Bundle bundle = new Bundle();
bundle.putInt("x", x_Axis);
bundle.putInt("y", y_Axis);
intent.putExtras(bundle);
startActivity(intent);
finish();
}
});
showDialogHandler = new Handler() {
public void handleMessage(Message msg) {
String aResponse = msg.getData().getString("message");
if ((null != aResponse)) {
// ALERT MESSAGE
Toast.makeText(getBaseContext(),
"Server Response: " + aResponse, Toast.LENGTH_SHORT)
.show();
showAlertDialog(aResponse);
} else {
// ALERT MESSAGE
Toast.makeText(getBaseContext(),
"Not Got Response From Server.", Toast.LENGTH_SHORT)
.show();
}
};
};
loadingDialogHandler.captureButtonContainer = mUILayouts
.findViewById(R.id.camera_button);
mUILayouts.bringToFront();
}
They showing there layouts using handlers
Start you camera preview in a normal way. Place a layout on top of it with transparent background like this:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:background="#ff000000"
android:layout_height="match_parent">
<ImageView
android:id="#+id/start_image_button"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginRight="5dp"
android:scaleType="fitXY"
android:layout_weight="1"
android:src="#drawable/scan_image"/>
</RelativeLayout>
In java file, you can add this layout like this:
private View mStartupView;
mStartupView = getLayoutInflater().inflate(
R.layout.startup_screen, null);
// Add it to the content view:
addContentView(mStartupView, new LayoutParams(
LayoutParams.MATCH_PARENT,
LayoutParams.MATCH_PARENT));
This way you will get to see your button on top of camera preview. Hope it helps
You can add buttons in cameraoverlay layout which is in layout folder and you can initialize buttons in initAR function which is in mainactivity.
Step 1: Add the button in the camera_overlay.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/camera_overlay_layout"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<ProgressBar
style="#android:style/Widget.ProgressBar"
android:id="#+id/loading_indicator"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true" />
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginLeft="18dp"
android:layout_marginTop="51dp"
android:text="Button" />
</RelativeLayout>
Step 2: Edit the ImageTargets.java class
private static final String LOGTAG = "ImageTargets";
private Button b1;
Step 3: Modify the initApplicationAR() function of ImageTargets.java class
private void initApplicationAR()
{
// Create OpenGL ES view:
int depthSize = 16;
int stencilSize = 0;
boolean translucent = Vuforia.requiresAlpha();
mGlView = new SampleApplicationGLView(this);
mGlView.init(translucent, depthSize, stencilSize);
mRenderer = new ImageTargetRenderer(this, vuforiaAppSession);
mRenderer.setTextures(mTextures);
mGlView.setRenderer(mRenderer);
b1 = (Button) findViewById(R.id.button1);
b1.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
// TODO Auto-generated method stub
b1.setVisibility(View.GONE);
}
});
}
Now lay back and watch your button disappear on a click!
Although it's a long time since the post.. yet I found one article.. wherein you can have the desired thing..
Ref: https://medium.com/nosort/adding-views-on-top-of-unityplayer-in-unityplayeractivity-e76240799c82
Solution:
Step1: Make a custom layout XML file (vuforia_widget_screen.xml). For example, button has been added.
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/main_layout">
<FrameLayout
android:id="#+id/unity_player_layout"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<Button
android:id="#+id/back_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:background="#null"
android:text="#string/welcome" />
</FrameLayout>
Step 2: Make following changes in the UnityPlayerActivity.java
Replace "setContentView(mUnityPlayer);" with
setContentView(R.layout.vuforia_widget_screen);
FrameLayout frameLayout = findViewById(R.id.unity_player_layout);
frameLayout.addView(mUnityPlayer.getView());
-> For anyone, who will face the issue in future. :)
I am new to android world and am working on dialog and in that I am trying to create a text view, button and imageview, but it is neither showing me error nor textview or imageview. It is showing a button. Here is the image:
.
But i am want to display my dialogue as follows
My xml file is as follows ....
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/RelativeLayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#FFFFFF"
tools:context=".AddFriendsCustomActivity">
<ImageView
android:id="#+id/add"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="#+id/submit_dialog"
android:layout_alignParentRight="true"
android:layout_marginRight="37dp"
android:contentDescription="#string/add_Friend"
android:src="#drawable/add" />
<Button
android:id="#+id/submit_dialog"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_marginRight="64dp"
android:layout_toLeftOf="#+id/add"
android:text="#string/submit" />
<EditText
android:id="#+id/writename"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="#+id/add"
android:layout_marginRight="17dp"
android:layout_toLeftOf="#+id/add"
android:ems="10" />
</RelativeLayout>
I am calling it in java file as follows
dialog = new Dialog(context);
LayoutInflater li = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = li.inflate(R.layout.activity_add_friends_dialog, null, false);
dialog.setContentView(view);
dialog.setCancelable(true);
//dialog.setContentView(R.layout.activity_add_friends_dialog);
//dialog.setTitle("Add Friends");
add= (ImageView) dialog.findViewById(R.id.add);
friends1 = (TextView) dialog.findViewById(R.id.writename);
submit_dialog = (Button) dialog.findViewById(R.id.submit_dialog);
add.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View arg0) {
try {
friendsCount++;
Log.d("addFriendsActivity", "ashish comes here ");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
});
submit_dialog.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View arg0) {
Intent i = new Intent(AddFriendsActivity.this, DetailsFriendsActivity.class);
startActivity(i);
}
});
dialog.show();
After some google I understand that the issues might be in r.java or you have imported android .r but i have not done any thing in this ..
Thanks in advance.... :)
<LinearLayout 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:background="#FFFFFF"
android:orientation="vertical" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#FFFFFF"
android:orientation="horizontal" >
<EditText
android:id="#+id/writename"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10" />
<ImageView
android:id="#+id/add"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/ic_launcher" />
</LinearLayout>
<Button
android:id="#+id/submit_dialog"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Submit" />
There is no error in your java code. Its perfect you have just change your xml. Use this.
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/RelativeLayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#FFFFFF"
tools:context=".AddFriendsCustomActivity" >
<EditText
android:id="#+id/writename"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginTop="24dp"
android:ems="10" >
<requestFocus />
</EditText>
<ImageView
android:id="#+id/add"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignTop="#+id/writename"
android:layout_marginLeft="20dp"
android:layout_toRightOf="#+id/writename"
android:contentDescription="Add Friend"
android:src="#drawable/ic_launcher" />
<Button
android:id="#+id/submit_dialog"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignRight="#+id/writename"
android:layout_below="#+id/add"
android:layout_marginRight="46dp"
android:text="Submit" />
</RelativeLayout>
For your xml I think it should look like this:
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent" >
<EditText
android:id="#+id/my_edit_text"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_toLeftOf="#+id/add_btn" />
<ImageButton
android:id="#+id/add_btn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:src="#drawable/add_btn"
android:background="#null" />
<Button
android:id="#+id/submit_btn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_below="#+id/my_edit_text"
android:text="Submit" />
</RelativeLayout>
Be aware that there can be some typo mistakes, because I didn't compile that code, and you should change your real variables. And create your AlertDialog like this:
AlertDialog.Builder mBuilder = new AlertDialog.Builder(MyActivity.this);
View mView = mInflater.inflater(R.layout.my_layout, null, false);
EditText mEdit = (EditText) mView.findViewById(R.id.my_edit_text);
ImageButton mImageBtn = (ImageButton) mView.findViewById(R.id.add_btn);
Button mSubmit = (Button) mView.findViewById(R.id.submit_btn);
mBuilder.setView(mView);
AlertDialog mAlert = mBuilder.create();
mAlert.show();
Using AlertDialog.Builder instead of Dialog is lot more easier for your situation (at least in my opinion). And you can add your Submit Button to your AlertDialog as default positive button.
Hope this helps you.
Look at your code i think
add= (ImageView) dialog.findViewById(R.id.add);
friends1 = (TextView) dialog.findViewById(R.id.writename);
as
add= (ImageView) view.findViewById(R.id.add);
friends1 = (EditText) view.findViewById(R.id.writename);
That should work.
Try this..
final Dialog dialog = new Dialog(AddFriendsActivity.this);
dialog.setContentView(R.layout.activity_add_friends_dialog);
dialog.setCanceledOnTouchOutside(true);
add= (ImageView) dialog.findViewById(R.id.add);
EditText friends1 = (EditText) dialog.findViewById(R.id.writename);
submit_dialog = (Button) dialog.findViewById(R.id.submit_dialog);
add.setOnClickListener(new OnClickListener() {
//#Override
#SuppressWarnings({ "unchecked", "rawtypes" })
#SuppressLint("NewApi")
public void onClick(View v) {
friendsCount++;
//TextView textview = new TextView(context);
//textview.setId(friendsCount);
//final RelativeLayout.LayoutParams params= new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT);
//params.addRule(RelativeLayout.BELOW, friendsCount--);
//textview.setLayoutParams(params);
//textview.setVisibility(View.VISIBLE);
//relativelayout.addView(textview ,params);
Log.d("addFriendsActivity", "ashish comes here ");
}
});
submit_dialog.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View arg0) {
Intent i = new Intent(AddFriendsActivity.this, DetailsFriendsActivity.class);
startActivity(i);
}
});
dialog.show();
Your view is covered.
May be you can try to set your parent layout to Linearlayout, not RelativeLayout.
Hi im trying to add a simple overlay to my app to highlight bits and bobs to the user i am currently following this short guide
http://www.christianpeeters.com/android-tutorials/android-tutorial-overlay-with-user-instructions/
but i get an error using android studio cannot resolve variable topLeveLayout im a complete beginner and have tried alsorts to get this moving any suggestions?
here is my xml
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/main_layout" >
<RelativeLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:android="http://schemas.android.com/apk/res/android">
<TextView
android:layout_width="match_parent"
android:layout_height="55dp"
android:text="#string/bath2"
android:id="#+id/bath_text_View"
android:textSize="23sp"
android:gravity="center"
android:textStyle="bold|italic" />
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#id/bath_text_View"
android:contentDescription="#string/bathable2"
android:src="#drawable/pic5"
android:layout_above="#+id/nextbutton"
android:id="#+id/imageView"
android:scaleType="centerCrop"
android:cropToPadding="true" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="#string/next"
android:id="#+id/nextbutton"
android:textSize="20sp"
android:textStyle="bold|italic"
android:layout_gravity="center"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:onClick="nextImage2"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/button2"
android:background="#android:color/transparent"
android:layout_above="#+id/button4"
android:layout_centerHorizontal="true" />
<Button
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:id="#+id/button4"
android:background="#android:color/transparent"
android:layout_above="#+id/button"
android:layout_alignParentLeft="true"
android:clickable="false" />
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:visibility="invisible"
android:id="#+id/button"
android:layout_centerVertical="true"
android:layout_alignParentLeft="true" />
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#88666666"
android:id="#+id/top_layout">
<ImageView
android:id="#+id/ivInstruction"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:paddingTop="25dp"
android:layout_marginRight="15dp"
android:clickable="false"
android:paddingLeft="20dip"
android:scaleType="center"
android:contentDescription="#string/overlay"
android:src="#drawable/hint_menu" />
</RelativeLayout>
</FrameLayout>
So i have 2 relative layouts in a frame layout the first being my app and the second underneath being the overlay
here is my .java
public class bathactivity2 extends Activity {
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_bath_2);
topLevelLayout = findViewById(R.id.top_layout);
if (isFirstTime()) {
topLevelLayout.setVisibility(View.INVISIBLE);
}
Button button2 = (Button) findViewById(R.id.button2);
Button button4 = (Button) findViewById(R.id.button4);
button2.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
MediaPlayer mp = MediaPlayer.create(bathactivity2.this, R.raw.rubber_duck);
mp.start();
}
});
button4.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
MediaPlayer mp = MediaPlayer.create(bathactivity2.this, R.raw.bubbles);
mp.start();
}
});
}
public void nextImage2(View view){
Intent intent = new Intent(this, BathActivity3.class);
startActivity(intent);
}
private boolean isFirstTime()
{
SharedPreferences preferences = getPreferences(MODE_PRIVATE);
boolean ranBefore = preferences.getBoolean("RanBefore", false);
if (!ranBefore) {
SharedPreferences.Editor editor = preferences.edit();
editor.putBoolean("RanBefore", true);
editor.commit();
topLevelLayout.setVisibility(View.VISIBLE);
topLevelLayout.setOnTouchListener(new View.OnTouchListener(){
#Override
public boolean onTouch(View v, MotionEvent event) {
topLevelLayout.setVisibility(View.INVISIBLE);
return false;
}
});
}
return ranBefore;
}
}
it is just an image with a couple of hidden buttons on it hence the reason i would like an overlay to point out where the buttons are, i get errors cannot resolve topLevelLayout cannot resolve motion event and others, is it just a case of declaring these first and if so how? is it something like
Layout topLevelLayout;
or is there something worse going on here thank you for any help
View topLevelLayout;
this solved it