Snippets Archives - Page 5 of 5 - My Android Solutions

Android EditText text changes Listener

June 6, 2012

If you want “listen” to the text changes from an EditText you have to use the TextWatcher. Bellow I will show you an example of TextWatcher: //first, we create an EditText EditText answer = new EditText(this); //second, we create the…

Android: PreferenceActivity Custom Title

March 14, 2012

Laura Suciu

PreferenceActivity

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If you want to make a custom title in a class that extends PreferenceActivity you must put requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); BEFORE super.onCreate(savedInstanceState); Otherwise you will get a Force Close

Android: Scrolling to the bottom of a ScrollView

December 20, 2011

Catalin Prata

auto-scroll, ScrollView

4

Iv’e had a lot of trouble scrolling a ScrollView all the way to the bottom in android and I finally got the way to do it ! Here is the code: scrollView.post(new Runnable() { public void run() { scrollView.fullScroll(View.FOCUS_DOWN); }…

Android How To Make an AlertDialog

December 9, 2011

Catalin Prata

AlertDialog

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To make an AlertDialog you have to write this code: AlertDialog.Builder alertDelete = new AlertDialog.Builder(ListsActivity.this); //HERE YOU WILL WRITE THE MESSAGE YOU WANT alertDelete.setMessage(R.string.delete_confirm); //HERE IS THE POSITIVE BUTTON. YOU HAVE TO SET THE BUTTON NAME AND A CLICK LISTENER…

How to make a background button selector in XML?

December 9, 2011

Catalin Prata

background, drawable background, resource, shape, xml

2

Step 1: Create an XML in the drawable folder and name it selected_item.xml (or any another name you want but to be suggestive). The code in this xml will be: <shape android="http://schemas.android.com/apk/res/android" shape="rectangle"> <solid color="#80000000"></solid> </shape> The color=”#80000000″ is transparent black.…