記錄了Android系統上由於cursor泄露導致記憶體耗盡(error -12)導致的CursorWindow不能再建立的Issue。[Symptom]08-30 20:27:36.751 E/CursorWindow( 760): Could not allocate CursorWindow '/data/data/com.android.providers.media/databases/external.db' of size 2097152 due to
Unlike other programming paradigms in which apps are launched with a main() method, the Android system initiates code in an Activity instance by invoking specific callback methods that correspond to specific stages of its lifecycle. There is a
當我們修改了google 開放出來的類。所謂開放的類與開放的API,這個只是javadoc的範疇,並不是java中public和private,也就是說,對於源碼的編譯無所謂,只是對javadoc的產生有影響關於類的開放和隱藏,是通過doc的注釋{@hide}來控制的。比如 Environment 這個類,我們新增了幾個成員方法,編譯的時候就會出現如下的錯誤:******************************You have tried to change the API from
Before your application can begin receiving location updates, it needs to perform some simple steps to set up access. In this lesson, you'll learn what these steps entail.Declare Proper Permissions in Android ManifestThe first step of setting up
Most apps have an inherent information model that can be expressed as a tree or graph of object types. In more obvious terms, you can draw a diagram of different kinds of information that represents the types of things users interact with in your