004_tutorial_launch_after_boot's Introduction

004_Tutorial_launch_after_boot

Purpose

Tutorial: run my activity on boot remark: it is not necessary to run an activity, e.g. setting up an alarm, or other receiver

2016.10.08. by Szőke Sándor Android Studio version: 2.2 (September 15, 2016)

Steps needed

create application
change the label text to whaterev you like
set the permission in AndroidManifest.xml as follows

<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />

add the boot_completed intent in AndroidManifest.xml:

<receiver android:name=".BootReciever">
    <intent-filter >
        <action android:name="android.intent.action.BOOT_COMPLETED"/>
    </intent-filter>
</receiver>

add the following code to a new class BootReciever:

public class BootReciever extends BroadcastReceiver
{

    @Override
    public void onReceive(Context context, Intent intent)
    {

        if(intent.getAction().equals(Intent.ACTION_BOOT_COMPLETED))
        {
            // TODO: 2016.10.08. Maybe other activiti need to be carried out than simply run your application 
            
            Intent i = new Intent(context, MainActivity.class);
            i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            context.startActivity(i);
        }
    }
}

switch to class BootReciever
apply ALT+ENTER to extentend includes after the following words
- BroadcastReceiver
- Context
- Intent
exetute and reboot, your application will be started upon next boot

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