摘要：
1.Media Palyback The Android multimedia framework includes support for playing variety of common media types, so that you can easily integrate audio,... 阅读全文
摘要：
1. Custom Components Android offers a sophisticated and powerful componentized model for building your UI, based on the fundamental layout classes: ... 阅读全文
摘要：
could be changed into// res/value/style 阅读全文
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Applications built for Android are more accessible to users with visual, physical or age-related limitations when those users activate accessibility s... 阅读全文
摘要：
package mirror.android.dragdrop;import android.app.Activity;import android.content.ClipDescription;import android.os.Bundle;import android.view.DragEv... 阅读全文
摘要：
1.Notifications A notification is a message you can display to the user outside of your application's normal UI. When you tell the system to issue a ... 阅读全文