Set 24 hour view for TimePicker
package app.test; import android.app.Activity; import android.os.Bundle; import android.widget.TimePicker; public class Test extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setTitle("TimePickerActivity"); setContentView(R.layout.main); TimePicker tp = (TimePicker) this.findViewById(R.id.time_picker); tp.setIs24HourView(true); } } //main.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="wrap_content"> <TimePicker android:id="@+id/time_picker" android:layout_width="wrap_content" android:layout_height="wrap_content"/> </LinearLayout>