that’s my selector for list:(item_selector.xml) that’s my row of list(row_item.xml) I want to change android:state_pressed=”true” android:drawable=”@color/orange” to other color dynamically. My goal, to make pressed color for each row different. Is it possible to do? Answer…
Tag: android
Not able to dynamically set the setVisibility() parameter
I am trying to set the visibility for a button as follows: But I am getting the error: while calling I don’t know how to get around this. I understand that it’s expecting a given set of values but all I know is to pass an int to it. What can be done here? Answer When you know what you’re
onNewIntent in Fragments in android
I am trying to develop a NFC application. I need to recognize the NFC TAG from the OnNewIntent that in the Activity class. Now I need to move and use fragments and not activity. Is their a way to replace the onNewIntent in the fragment class? Answer According to here (https://stackoverflow.com/a/5320694/37369…
Android RecyclerView addition & removal of items
I have a RecyclerView with an TextView text box and a cross button ImageView. I have a button outside of the recyclerview that makes the cross button ImageView visible / gone. I’m looking to remove an item from the recylerview, when that items cross button ImageView is pressed. My adapter: My layout is:…
How to Change programmatically Edittext Cursor Color in android?
In android we can change the cursor color via: android:textCursorDrawable=”@drawable/black_color_cursor”. How can we do this dynamically? In my case I have set cursor drawable to white, but i need to change black How to do ? Answer Using some reflection did the trick for me Java: XML: Here is a me…
How to secure an SFTP password in an APK file
I’m developing an Android app which has a service to upload images/files to a FTP server. To make that possible, the app on the device has to log in into the FTP server before sending data. And here comes my problem. The user does not need to / have to know about the FTP login data. Only the app itself.
Android Activity without ActionBar
I have different Activities in my App and in all of them I do not want the Action Bar. I cannot find how to disable it. I have tried to find an attribute to apply it to the main_activity.xml but so far I did not find anything. Can somebody help me please? Answer Haha, I have been stuck at that
How to load image from URL in Fragment class?
I want to load an image from its URL in Fragment class. I’m loading the image like this: but this method is taking more time to load the image and to open it. If I want to use ImageLoader class like this tutorial, then how to load it in Fragment? Answer Use any 3rd party library like Picasso. Download t…
Android – programmatically change the state of a switch without triggering OnCheckChanged listener
I’m looking for a method of programmatically changing the state of an Android Switch widget using switch.setChecked(true); without triggering OnCheckedChangedlistener. My first thought was to swap it out for an OnClickListener but as this only registers clicks and you are able to not only click but also…
openFileOutput() method vs FileOutputStream() constructor
Why in Android one should use openFileOutput() method instead of FileOutputStream() constructor? Would the mode type as a second param of openFileOutput() be the only “respectful” reason for all the cases? Answer Would the mode type as a second param of openFileOutput() be the only “respectf…