emulador de android

In the application development, map development is often needed to use the "component", the domestic more famous is Baidu map and the German map.This blog is about the German map to achieve positioning and 3D map display, and labeling the corresponding location, words not much to say, first look at the effect, in the code.EffectFirst sign up to become a developer (open the Gao de map, click on the developer platform at the bottom), create an app, fill

can access the variable efficiently and quickly (not before).2. The root cause of alignment: The Davlik virtual machine in the Android system uses its own proprietary format DEX,DEX structure is compact, in order to make the performance of the runtime better, can further use "alignment" further optimization, but the size will generally increase.anti-compile Dex files:Dex2jarThe above only decompile the resource configuration file, Java files need to

public void Onsensorchanged (Sensorevent event) { final float alpha = 0.8; GRAVITY[0] = Alpha * Gravity[0] + (1-alpha) * event.values[0]; GRAVITY[1] = Alpha * Gravity[1] + (1-alpha) * event.values[1]; GRAVITY[2] = Alpha * gravity[2] + (1-alpha) * event.values[2]; Linear_acceleration[0] = event.values[0]-gravity[0]; LINEAR_ACCELERATION[1] = event.values[1]-gravity[1]; LINEAR_ACCELERATION[2] = event.values[2]-gravity[2]; }The