android intent scheme

Intent filter must also be matched.④. The data path is immediately after the "Data Authority" (for example,/ig). Path matches only if both scheme and host-name parts match. 4. If more than one component of the process is parsed, they are sorted by priority, and an optional label can be added to the node of intent filter. The highest level components are returne

For example, I'm going to jump to the B interface or the C interface from the A interface now.In that case, I need to write 2 intent. If you still want to involve the value of the intent, you will write two times to add the value of the method so if I use 1 bundle directly to save the value first and then save to the intent is not more concise? Another example i

recently, during the Android development process, it was difficult to pass intent to the called component and complete the call of the component, and the previous study of intent was also smattering, and recently deliberately took some time The intent part has carried on the systematic study and has carried on the part

First, Introduction There are usually multiple activity in an Android application, in which the handoff and data transfer between different activity can be achieved by invoking the StartActivity method and passing the intent object in the parameter of the method. When a intent object is passed through the StartActivity method to start another activity, it can b

Original: Android:intents TutorialDarryl BaylissTranslator: Kmyhy People don't wander aimlessly, and most of the things they do--like watching TV, shopping, writing the next killer app----have a specific purpose or intent, namely intent.Android is the same. Before an app does something, it needs to know the purpose or intent of the thing before it can do the whole thing correctly.This shows that people

The role of 1.Intent for Android appsIt can be broadly divided into two functions:① packaged Android applications need to start the "intent" of a component② acts as a medium for communication between application components, encapsulates the data that needs to be exchanged into bundle objects, and then uses

(1) Intent provides a generic messaging system that allows intent to perform actions and events in your application, using intent to activate three types of core components of Android apps: activity activities, service services, Broadcast recipient broadcast.(2) Intent is di

My Android advanced tutorial ------) the intent in the onStartCommand () method of service in android is null Today, when I was maintaining a company APP, a null pointer suddenly went wrong, Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.content.Intent.getBooleanExtra(java.lang.String, boolean)' on a null object refer

1. Error descriptionToday in Android4.4 Xiaomi 4 mobile phone running my program without error, and on the Android 5.1 of the Huawei P7 run my program on the time of the following error, error prompts as follows:E/androidruntime (12500): FATAL Exception:maine/androidruntime (12500): Process:com. XTC. WatchPid:12500E/androidruntime (12500): Java. Lang. IllegalArgumentException: Service Intent must be explici

principle, an intent object without a category should always pass the matching test, regardless of what is in the filter. In most cases, this is true. With one exception, Android treats all the implicit intent sent to startactivity () as containing at least one category: "android.

In an Android application, it's made up of four components, and these four components refer to the "Android apps". And these four components are independent, they can call each other, coordinate their work, and eventually make up a real Android application. The communication between these components is mainly done by intent