Learn android from scratch (Intent preliminary. 40 .)
Intent is a very important part of android, which is widely used in Activity and service.
1
Public void startActivity (Intent intent)
Normal
Start an Activity and transmit data through Intent
2
This article summarizes the common intent action features of Android. Share to everyone for your reference, specific as follows:
Android's basic design philosophy is to encourage the reduction of coupling between components, so Android provides intent (intent), intent provides a common messaging system that allows you
1. What is intent?
Intent refers to the view, which is the carrier for communication between different components in Android applications. When Android needs to connect different components during runtime, it usually needs to be implemented by intent. Intent can start another activity in the application or a service c
This example describes the use of intent and implicit intent in the intent of Android learning. Share to everyone for your reference, specific as follows:
Intent (Intent) is primarily to address the communications between the various components of the Android application.
public class Myintent {Android gets a intent to open the HTML filepublic static Intent gethtmlfileintent (String param) {Uri uri = uri.parse (param). Buildupon (). Encodedauthority ("Com.android.htmlfileprovider"). Scheme ("content"). Encodedpath (param). build ();Intent Intent = new
1. Introduction to implicit intent
Explicit intent we mentioned earlier, such:
Intent intent = new intent ();
Intent. setclass (this, other. Class );// This statement indicates the explicit i
First, what is intent?Intent provides the intent mechanism in Android to assist in the interaction and communication between applications, intent is responsible for the action of one operation in the application, the action involves data, the additional data is described, and Android according to this
Android learning notes-Intents and Intent Filters (2), androidintents
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Continue learning about Intents and Intent Filters yesterday
Build an Intent ):
The
Android intent usage Summary
Intent It should be something special in Android. You can specify
Program The action to be executed (such as view, edit, dial), and
Materials . After all settings are specified, you only need to call startactivity (), Android
System Will automatically find the most suitable for your specified requirements
Application Program, and execute the program.
The usage of severa
0x0 Introduction
We know that Intent-based attacks on Android are common. Such attacks may cause application crash, but may evolve the Elevation of Privilege Vulnerability. Of course, Intent-Based malicious samples are easily identified by static feature matching.
However, an Android Browser-based attack, Intent Scheme URLs, has recently emerged. This attack meth
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 be divided into two categories:
L Explicit St
Intent It should be something special in Android. You can specify Program The action to be executed (such as view, edit, dial), and Materials . After all settings are specified, you only need to call startactivity (), Android System Will automatically find the most suitable for your specified requirements Application Program, and execute the program.The usage of several intent types is listed belowDisplay w
Android beginners (2) Activity-Toast, Intent, intentservicetoast
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1. Hide the title of an activity
In the onCreate () method of the java code of the activity, enter requestWindowFeature (Window. FEATURE_NO_TITLE); as follows:
@OverridepublicvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);requestWindowFeature(Window.FEATURE_NO_TITLE);setContentView(R.layout.first_layout);}
2. Use Toast in Activit
What is intentFor an application, he will have multiple activities, and the jump data transfer between activities can be achieved through intent. Intent is an important way to interact with components in an Android program, not only to indicate what actions the current component wants to perform, but also to pass data between different components. Intent can typi
Turn from: hereAn Android system for activity standard Intent 1 display contact information based on contact ID[Java]View Plaincopy
Intent Intent = new Intent ();
Intent.setaction (Intent.action_view); //Show contact information
Intent.setdata (Uri.parse ("content://contacts/people/492"));
StartA
This article mainly introduced the implicit intent matching target component's rule, if has the narration not clear or the inaccurate place hoped that everybody pointed out, thanks everybody:
1. Intent Introduction
Intent is used to open another component in a component (Component, such as activity, Service, broadcast Receiver).
(1) The first is simple jump of the activity:
1 ),Activity switching is generally implemented through intent. Intent is the method for an activity to reach another activity. It describes the start point (current activity) and the end point (target activity ). A simple intent implementation is as follows)
Intent
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