Contents Acknowledgments xxxi About the Authors xxxiii Introduction 1 Who Should Read This Book 1 Key Questions Answered in This Book 2 How This Book Is Structured 2 An Overview of Changes in This Edition 3 Development Environments Used in This Book
Android把任何可绘制在屏幕上的图形图像都称为drawable。drawable可以是一种抽象的图形、一个继承Drawable类的子类，或者是一张位图图像。接下来，我们将会接触到更多的drawable：state list drawable、shap drawable、layer list drawable以及nine patch drawable。前三个drawable通常定义在XML布局文件中，因此我们同一将他们归属为XMLdrawable类别。
Android Action Bar Style Generator DEPRECATED: Consider using Toolbar or its support library equivalent. The Android Action Bar Style Generator allows you to easily create a simple, attractive and seamless custom action bar style for your Android ap
