Android - Broadcast Receivers
Broadcast Receiverssimply respond to broadcast messages from other applications or from the system itself.
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Broadcast Receiverssimply respond to broadcast messages from other applications or from the system itself.
An AndroidIntentis an abstract description of an operation to be performed. It can be used withstartActivity
Android is an open source and Linux-based operating system for mobile devices such as smartphones and tablet
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The basic building block for user interface is aViewobject which is created from the View class and occupies
Events are a useful way to collect data about a users interaction with interactive components of Applicati
Astyleresource defines the format and look for a UI. A style can be applied to an individual View (from wi
Implementing own components in pre built-in components with extending subclass with own defined class
Android drag/drop framework allows your users to move data from one View to another View in the current layo
Anotificationis a message you can display to the user outside of your applications normal UI. When you tel
文件区别：.h ：头文件。头文件包含类，类型，函数和常数的声明。.m ：源代码文件。这是典型的源代码文件扩展名，可以包含Objective-C和C代码。.mm ：源代码文件。带有这种扩展名的源代码文件，除了可以包含O
类CheckedTextView继承超类TextView并实现Checkable接口。当ListView的setChoiceMode方法并设定为CHOICE_MODE_SINGLE或者CHOICE_MODE_MULT
普通圆形ProgressBar该类型进度条也就是一个表示运转的过程，例如发送短信，连接网络等等，表示一个过程正在执行中。一般只要在XML布局中定义就可以了。 此时，没有设置它的风格，那么它就是圆形的，一直会旋转的进度
SIP stands for (Session Initiation Protocol). It is a protocol that let applications easily set
解决案例一：publicvoidonCreate(BundlesavedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.lay
两个片段中的OnFragmentInteractionListener接口都包含具有相同签名的方法，而MainActivity正在实现一种方法来尝试覆盖这两个接口。更改一个或两个方法的签名，然后在MainActivi
找到解决方案 必须先从列表视图的数组列表中删除该项，然后才能通知数据集已更改。data.remove(position);adapter.notifyDataSetChanged();
@color/light_grey @android:color/transparent @android:color/transparent 0dp @drawable/list_item_selector Th