Everyone likes it when you remember their name. One of the simplest, most effective things you can do to make your app more lovable is to remember who your user is—especially when the user upgrades to a new device or starts carrying a tablet
The reference to entity "timestamp" must end with the ';' delimiter添加資源檔String.xml時出問題了:The reference to entity "timestamp" must end with the ';' delimiter這個錯誤就是 String.xml中設定連結URL的問題 <string
為了能夠開發高端的圖形作品,定義形狀往往是第一步。使用OpenGL ES繪製圖片你不需要知道OpenGL ES怎樣希望你去定義圖片對象。下面介紹協調系統相關的和螢幕,定義了形狀,如三角形和圓形。定義一個三角形:OpenGL ES允許你在三維空間定義對象。class Triangle { private FloatBuffer vertexBuffer; // number of coordinates per vertex
Images come in all shapes and sizes. In many cases they are larger than required for a typical application user interface (UI). For example, the system Gallery application displays photos taken using your Android devices's camera which are
You create a CursorLoader within a loader framework. To set up the framework, you implement theLoaderCallbacks<Cursor> as part of an Activity. In addition, to provide compatibility compatible with platform versions starting with Android 1.6,
MediaPlayer在底層是基於OpenCore(PacketVideo)的庫實現的,為了構建一個MediaPlayer程式,上層還包含了進程間通訊等內容,這種進程間通訊的基礎是Android基本庫中的Binder機制。而我們今天的例子只是利用MediaPlayer來播放res/raw檔案夾中一首非常動聽的英文哥love fool.mp3.程式有三個ImageButton按鈕,播放,停止,和暫停!三個按鈕的功能我就不用多說.下面我將Step By