Eclipse to develop Android primer learning

1.device window

View Android runtime windows and DDMS content consistent

2.android.bat

Run ADB operations under ADB path to enable the re-connection of Android systems

adb kill-server
ADB start-server

You can also click in the Device window

3.source overriding the parent class method

Override/implement method overriding the shortcut entry for the parent class methods

4.eclipse self-help tips

Window > Preferences > Java > Editor-content Assist > Auto activation triggers for Java

The code sets the following hints:. ABCDEFGHIJKLMNOPQRSTUVWXYZ (,

Window > Preferences > XML > XML Files > Editor > Content Assist > Auto activation > Prompt when thes e characters is inserted

The XML sets the following hint: <=:.abcdefghijklmnopqrstuvwxyz (, <=:.ABCDEFGHIJKLMNOPQRSTUVWXYZ (,

5. There are three steps to inserting a new activity:
A. Create a new Activity program code, with "New.class" as an example
B. Adding a description of the new activity in Androidmanifest.xml
C. Call to start new activity in the original activity

6. Recompile

Project > Clean

7.R file

Rewrite import Android. R path, fill in the path according to the local directory

8.mainfest.xml

<intent-filter > Start-up entrance

Android:name= " bind class ground path or . * "

9.logcat Query Run Results

Android Four components:

Activity (window)

Service (services, divided into local and remote services)

Broadcast receiver (asynchronous receive broadcast intent, divided into normal broadcast and orderly broadcast, to achieve interprocess communication)

Content Provider (data type query, Android.provider)

Important Components:

Intent Interactive messages (four components common)

Bundle data

Android SDK API Reference:

http://www.android-doc.com/

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Eclipse to develop Android primer learning