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16 Cards in this Set
- Front
- Back
intent is use to launch specific components, such as activities or services. |
EXPLICIT |
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can be added as a piece of extra information to the Intent to be received by the activity you are targeting. |
Extras |
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many times to pass multiple values by using multiple keys, just make sure each extra has its own unique name. |
putExtra() |
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you can store many key-value pairs and pass the said object to the intent. |
bundle object |
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You can use the method in the next activity to get the bundle and the extras attached to it. |
getExtras() |
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intent the component to be called is not specified; instead, you will define the action to be performed. |
Implicit |
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received as a bundle of information by the component. |
Intent object |
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It is a string used by the activity to specify an action to perform. |
Action |
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It is a URI (Uniform Resource Identifier) that references the data to work on. |
Data |
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It is a string containing the additional information about the component that will handle the intent. |
Category |
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This is the name of the target component. |
Component name |
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The list below shows the example category used for intent: |
CATEGORY_LAUNCHER – the activity should be displayed in the toplevel launcher. CATEGORY_BROWSABLE – the activity is allowed to be started by a web browser to display data. |
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indicates which activity to launch. You can also manipulate the activity stack using intent flags. |
Flags |
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Android system will automatically ask you to choose which activity you want to use. |
Intent chooser |
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Basically, there are four types of launch modes for activity. |
1.standard 2. singleTop 3.singleTask 4. singleIntance |
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The following are the flags you can use to modify the behavior of your activity:
CUSTOMIZING THE LAUNCH MODE USING INTENT FLAG |
1. FLAG_ACTIVITY_NEW_TASK 2. FLAG_ACTIVITY_SINGLE_TOP 3. FLAG_ACTIVITY_CLEAR_TOP |