Author Archives: wpadmin

This is simple to do in xml. This example makes the spinner look like an edit text. In styles xml file add <style parent=”@android:style/Widget.Spinner” name=”SpinnerAsEditText”><item name=”android:background”>@android:drawable/edit_text</item> </style> In layout file add spinner. <Spinner android:id=”@+id/spinner1″ android:layout_width=”wrap_content” android:layout_height=”wrap_content” style=”@style/SpinnerAsEditText” />  

Create a sinner and an adapter, link the two then add to the layout. Use array from strings xml file or created programmatically. LinearLayout myLayout = (LinearLayout) findViewById(R.id.layout1); ArrayList spinnerArray = new ArrayList(); spinnerArray.add(“a”); spinnerArray.add(“b”); spinnerArray.add(“c”); Spinner spinner = new … Continue reading →

The SDK level (integer) running is available in android.os.Build.VERSION.SDK_INT. int currentapiVersion = android.os.Build.VERSION.SDK_INT; You can then use the int value or the enum corresponding to this int in the android.os.Build.VERSION_CODES class. if (currentapiVersion >= 18) or if (currentapiVersion >= android.os.Build.VERSION_CODES.FROYO)  

With thanks to stackoverflow, 2 methods, 1 simple and one less simple. 1) You can assign an id after creating the edit text and before adding it to the layout. e.setId(int) This doesn’t put it in the R.java file (so … Continue reading →

A simple example to watch or text changed. ((EditText)view.findViewById(R.id.manualCodeEntry)).addTextChangedListener(new TextWatcher() { @Override public void afterTextChanged(Editable arg0) { // TODO Auto-generated method stub } @Override public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) { // TODO Auto-generated method stub … Continue reading →

1. Start with a simple layout for each line. <?xml version=”1.0″ encoding=”utf-8″?> <TextView xmlns:android=”http://schemas.android.com/apk/res/android” android:layout_width=”fill_parent” android:layout_height=”fill_parent” android:padding=”10dp” android:textSize=”20sp” > </TextView> Create activity extending ListActivity. public class WordListActivity extends ListActivity { static final String[] words = new String[] { “Apple”, “Bread”, … Continue reading →

1. Unbound prefix I was getting an error in a layout file: error parsing xml, unbound prefix. It turned out that a line of xml pasted in from another (working) layout file contained the prefix ‘android1:’, whereas all other lines … Continue reading →

Buttons and textviews. button.setBackgroundColor(Color.parseColor(“#bdbdbd”)); yourTextView.setTextColor(0xffbdbdbd); textView.setTextColor(getResources().getColor(R.color.sf_yellow)); Where colors.xml (in values folder) contains <resources> <color name=”sf_yellow”>#f5e214</color> </resources> On canvas simply: canvas.drawColor(Color.BLUE); or for greater control: float[] color=new float[3]; // HSV (0..360,0..1,0..1) //color[0]=(float)(Math.random()*360); color[0]=197; color[1]=1; color[2]=1; canvas.drawColor(Color.HSVToColor(color));  

To take a screen shot on an android phone with 4.0 or above. Standard methods: press the power button and the volume down button together for 1-2 seconds or press the power button for 1-2 seconds and select the screen … Continue reading →

I have a fragment with a TextWatcher on an edittext and the onTextChanged sends the current edittext string to a method in a DatabaseHelper class (extends SQLiteOpenHelper) to check it. If I change the orientation (I do it twice to … Continue reading →