Android Activity LifeCycle Part 1

Activity LifeCycle

It can be manage by implementing call back method.Callback method can be OnCreate, OnStart, OnResume, OnPause, OnStop, OnDestrory.

An Activity can have essentially 3 stages :

1. Resume
2. pause
3. Stop

• Resume : Activity is in foreground and have user focus.
• Pause : If an activity has lost focus but it still  visible than it is in Pause state.
• Stop : An activity is completely observed by another activity.

Amar's Android Tech

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Android Secret Codes

Android is now booming in the cell phone world. All major cell phone companies are launching android cellphones.If you are an android user, i have some secret codes of android which will help you. Some of the android secret codes:

• Cell Battery, WiFi Usage etc Info  *#*#4636#*#*
• Restore Factory Settings  *#*#7780#*#*
• Format Phone  *2767*3855#
• Launch service mode  *#*#197328640#*#*
• Test WiFi  *#*#232339#*#* or *#*#526#*#* or *#*#528#*#*
• Display WiFi MAC address  *#*#232338#*#*
• GPS test  *#*#1472365#*#*
• Other GPS test *#*#1575#*#*
• Bluetooth test *#*#232331#*#*
• Display Bluetooth physic address *#*#232337#*#
• Start Gtalk monitoring *#*#8255#*#*
• PDA, Phone, H/W, RFCallDate *#*#4986*2650468#*#*
• PDA and Phone *#*#1234#*#*
• FTA SW version *#*#1111#*#*
• FTA HW version *#*#2222#*#*
• PDA, Phone, csc, *#*#44336#*#*
• Packet Loopback *#*#0283#*#*
• LCD test *#*#0*#*#*
• Melody test *#*#0673#*#* or *#*#0289#*#*
• Device test such as vibration and lightness *#*#0842#*#*
• Display touchscreen version *#*#2663#*#*
• Touchscreen test *#*#2664#*#*
• Distance sensor test *#*#0588#*#*
• Display memory version *#*#3264#*#*

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