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Showing posts with label code. Show all posts
Showing posts with label code. Show all posts

How to update WiFi state using BroadcastReceiver

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This BroadcastReceiver will trigger anytime "Mobile data" disconnects or connects. public class MainActivity extends AppCompatAc...

How to update "Mobile data" state using a BroadcastReceiver

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This BroadcastReceiver will trigger anytime "Mobile data" disconnects or connects. public class MainActivity extends AppCompatAc...

How to navigate to another Activity (screen)

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In this tutorial you'll learn how to navigate from Activity1 to Activity2 using a button. 1. Create 2 activities. (MainActivity ...

How to Override Menu Button

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You can override the default behavior of system key presses by intercepting them in your Activity. This is done by overriding the onKeyDown ...

How to write & " ' < > in XML documents - escape characters

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Text consists of intermingled character data and markup. In XML documents some characters are used for start-tags, end-tags, entity referen...
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