Modify Android splash screen

I. Android boot step 1. Start Linux

2. Loading Android

3. Show Android Desktop

Two. Analysis

The source files for Android loaded boot animations are:
/opt/android4.3/frameworks/base/cmds/bootanimation.cpp
Focus on the definition of constants:

#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 ():

Judging from Threadloop, loading different animations in different situations. which

• 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 contains:

Folder Part1
Folder Part2
... There may be a lot of folders
Desc.txt
There's a PNG animation in the folder.
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 folder,/opt/android4.3/out/target/product/generic/system/media/.

Go back to the root directory and execute

Make Snod

To start the virtual machine again:
Emulator

Effect:

Modify Android splash screen