|Laboratory (A0) - Android introduction, Eclipse IDE + Android SDK|
|Getting familiar with Android platform and its Integrated Development Environment.
- Android Development Tools
|Laboratory (A1.a) - Understand Android Activity Life Cycle.|
|Download, unpack and open example code 03-1-LifeCycleDemo from V.Matos archives,
or try to create your own version of such Android application, signaling changes of internal state through notifying Toasts e.g.
Toast.makeText(this, "onCreate", 1).show();
implemented for all following events: onCreate, onStart, onResume,
onSaveInstanceState, onPause, onStop, onDestroy, onRestart.
This task could be simplified with the use of
Menu > Source > Override/Implement Methods…
option from the Eclipse’s top menu.
Observe and note the sequence of messages displayed by the Toast-commands after:
and selecting your application icon.
- Android Application's Life Cycle
|Laboratory (A1.b) - Creating your own Currency Converter application|