android intent scheme

the filter. However, with an exception, Android treats all the implicit intents passed to context. startactivity () as if they contain at least "android. Intent. Category. Default" (corresponding to the category_default constant ). Therefore, to receive an implicit intent, the activity must include "

this test, regardless of which category is declared in the filter.Note: Android automatically applies the CATEGORY_DEFAULT category to startActivity() startActivityForResult() All implicit Intent that are passed to and. Therefore, if you want Activity to receive implicit Intent, you must "android.intent.category.DEFAULT" include the category in its

Last introduced to you how to achieve a jump Method of the A-B in the app, this time I will introduce you to how to use the explicit intent of intent to access the system app. 1: Intent Introduction Intent data transmission can be divided into explicit and implicit intent. e

We've learned how to invoke an activity in a single application of our own. However, one of the more important developments in Android is the use of intent to invoke other application activity. In particular, your application can invoke many "built-in" applications in the system. The so-called "built-in" application, refers to the same level of application, such as browser,phone,sms and so on. For example,

Explicit intent Definition: Intent that explicitly specifies the name of the target component is called an explicit intent. Explicit intent uses the component name to define the target component directly. However, because developers often do not know the component names of other applications, explicit

Intent is frequently used in Android. Intent is used for system functions, whether it is page redirection, data transmission, or external program calling. After some intent examples, I sorted out the intent and hoped it would be useful to everyone. Because there are too many

Intent is an abstract description of the action to be executed. It is generally used as a parameter and is used by Intent to facilitate communication between android components. Intent in Android can be understood as a media or messenger for communication between different c

Differences between android Intent PendingIntent and android intent Meaning: intent indicates the intention. pending indicates the upcoming or coming thing.The PendingIntent class is used to handle upcoming events. For example, in Notification, it is used to jump to a page,

= getExcelFileIntent ("/mnt/sdcard/Book1.xls ") // Intent it = getPptFileIntent ("/mnt/sdcard/download/Android_PPT.ppt "); // download directory of the SD card // Intent it = getVideoFileIntent ("/mnt/sdcard/ice. avi "); // Intent it = getAudioFileIntent ("/mnt/sdcard/rename "); // Intent it = getImageFileIntent ("/mn

attribute provides operation Data for the Action attribute of the Intent object. The Type attribute is used to specify the MIME Type corresponding to the specified Uri of the Data. This Type can be any custom MIME Type, as long as the string conforms to the abc/xyz format. Note that the Type and Data attributes usually overwrite each other. If you want the Intent to have both the Data attribute and the Typ

system events, and you can also send broadcasts ( sendBroadcast() , sendOrderedBroadcast() , or sendStickyBroadcast() ). These intent pass, and there will be no overlap. The broadcast intent is passed only to receiver, never to the activity or service, and a intent to the activity is delivered only to the activity, never to a service or receiver. ; and so o

include "android. intent. category. DEFAULT" in the intent filter ". Note: "android. intent. action. MAIN" and "android. intent. category. LAUNCHER" are set to mark new tasks started b

as settings that define the action to open different interfaces for the "set" application in the system to complete the specified configuration (such as WLAN setup, language settings, and so on). You can specify intent action by calling the Setaction () method of the intent object or in the intent constructor. If you define your own action, be sure to prefix t

Overview and usage of Intent in Android The Intent in Android is a very important and commonly used class. It can be used to start another component in the App or another component in the App, the components mentioned here refer to Activity, Service, and Broadcast. Intent us

of launcher. they do not need "android. intent. category. default ".) data Test ...EachThe element specifies a URI and a data type. each part of Uri has different attributes: Scheme, host, port, path: Scheme: // host: Port/path. For example, in the following URI: Content: // COM. example. project: 200/folder