Change Android splash Screen

I. Android boot step 1. Start Linux

2. Loading Android

3. Show Android Desktop

Two. Analysis

The source code files for Android-loaded boot animations are:
/opt/android4.3/frameworks/base/cmds/bootanimation.cpp
A constant definition of concern:

#include "BootAnimation.h"#define USER"/data/local/bootanimation.zip"#define SYSTEM"/system/media/bootanimation.zip"#define SYSTEM"/system/media/bootanimation-encrypted.zip"#define EXIT"service.bootanim.exit"

They are used in status_t bootanimation::readytorun ():

Infer from Threadloop that different animations are loaded in different situations. Of

• Android (); Is the Android font flashing, it is called:
  "./frameworks/base/core/res/assets/images/android-logo-mask.png" and
  "./frameworks/base/core/res/assets/images/android-logo-shine.png"
  A hollow figure, a luminous effect.

• Movie () is Bootanimation.zip
  Bootanimation.zip includes:

Catalogue Part1
Catalogue Part2
... There may be very many directories
Desc.txt
The table of contents is made up of PNG animations.
Desc.txt format:

480	250	15
The width of the picture	Picture of the High	Number of frames displayed per second
P	1	0	Part0
Identifier	Number of Cycles	Phase Switch interval time	The directory of the corresponding picture
P	0	10	Part1
Identifier	Number of Cycles	Phase Switch interval time	The directory of the corresponding picture

I downloaded an animation from someone else directly.
http://download.csdn.net/downlaod/zhoucong50/3480737

Put it in the catalogue,/opt/android4.3/out/target/product/generic/system/media/.

Go back to the root directory, run

Make Snod

To start the virtual machine again:
Emulator

Effect:

Change Android splash Screen