Android Project Build and Deployment Process steps

Android Version History

Android Version History

• Alpha (1.0)
• Beta (1.1)
• Cupcake (1.5)
• Donut (1.6)
• Eclair (2.0–2.1)
• Froyo (2.2–2.2.3)
• Gingerbread (2.3–2.3.7)
• Honeycomb (3.0–3.2.6)
• Ice Cream Sandwich (4.0–4.0.4)
• Jelly Bean (4.1–4.3.1)
• KitKat (4.4–4.4.4)
• Lollipop (5.0–5.0.2)

1 Pre-commercial release versions (2007–2008)

• 1.1 Alpha
• 1.2 Beta

2 Version history by API level

• 2.1 Android 1.0 (API level 1)
• 2.2 Android 1.1 (API level 2)
• 2.3 Android 1.5 Cupcake (API level 3)
• 2.4 Android 1.6 Donut (API level 4)
• 2.5 Android 2.0 Eclair (API level 5)
  • 2.5.1 Android 2.0.1 Eclair (API level 6)
  • 2.5.2 Android 2.1 Eclair (API level 7)
• 2.6 Android 2.2–2.2.3 Froyo (API level 8)
• 2.7 Android 2.3–2.3.2 Gingerbread (API level 9)
  • 2.7.1 Android 2.3.3–2.3.7 Gingerbread (API level 10)
• 2.8 Android 3.0 Honeycomb (API level 11)
  • 2.8.1 Android 3.1 Honeycomb (API level 12)
  • 2.8.2 Android 3.2 Honeycomb (API level 13)
• 2.9 Android 4.0–4.0.2 Ice Cream Sandwich (API level 14)
  • 2.9.1 Android 4.0.3–4.0.4 Ice Cream Sandwich (API level 15)
• 2.10 Android 4.1 Jelly Bean (API level 16)
  • 2.10.1 Android 4.2 Jelly Bean (API level 17)
  • 2.10.2 Android 4.3 Jelly Bean (API level 18)
• 2.11 Android 4.4 KitKat (API level 19)
  • 2.11.1 Android 4.4 KitKat with wearable extensions (API level 20)
• 2.12 Android 5.0 Lollipop (API level 21)

Key Mobile Challenges

Key Mobile Challenges
- Low Processing Power
- Limited RAM
- Intermittent, Low bandwidth, High Latency data connections
- Impact on battery life