[Android/안드로이드] AppWidget Sample Code ( Example ).

안녕하세요 돼지왕 왕돼지입니다.

AppWidget 을 빠르게 만들 수 있게, 그리고 쉽게 학습할 수 있도록 Sample Code 올립니다.
Test Widget 은 View 로 Button 하나를 가지는 위젯입니다. 

 

@manifest 

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

      package="com.test"

      android:versionCode="1"

      android:versionName="1.0">

   
   <application android:icon="@drawable/icon" android:label="@string/app_name">

 

      <receiver android:name=".ButtonWidget" android:label="Button_widget">

         <intent-filter>

             <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />

         </intent-filter>

         <meta-data android:name="android.appwidget.provider"

                         android:resource="@xml/button_widget_provider" />

       </receiver>

  

       <activity android:name=".ClickOneActivity"/>

        

    </application>

</manifest>

 

@AppWidgetProvider 

public class ButtonWidget extends AppWidgetProvider {

   public static String ACTION_WIDGET_CONFIGURE = "ConfigureWidget";

   public static String ACTION_WIDGET_RECEIVER = "ActionReceiverWidget";

 

   @Override

   public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {

       RemoteViews remoteViews = new RemoteViews(context.getPackageName(), R.layout.main);

       Intent active = new Intent(context, ButtonWidget.class);

       active.setAction(ACTION_WIDGET_RECEIVER);

       active.putExtra("msg", "Message for Button 1");

  

       Intent configIntent = new Intent(context, ClickOneActivity.class);

       configIntent.setAction(ACTION_WIDGET_CONFIGURE);

  

       PendingIntent actionPendingIntent = PendingIntent.getBroadcast(context, 0, active, 0);

       PendingIntent configPendingIntent = PendingIntent.getActivity(context, 0, configIntent, 0);

  

       remoteViews.setOnClickPendingIntent(R.id.button_one, actionPendingIntent);

       remoteViews.setOnClickPendingIntent(R.id.button_two, configPendingIntent);

  

       appWidgetManager.updateAppWidget(appWidgetIds, remoteViews);

   }

 

   @Override

   public void onReceive(Context context, Intent intent) {

      final String action = intent.getAction();

      if (AppWidgetManager.ACTION_APPWIDGET_DELETED.equals(action)) {

         final int appWidgetId = intent.getExtras().getInt( AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);

         if (appWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID) {

            this.onDeleted(context, new int[] { appWidgetId });

         }

     }

     else {

         if (intent.getAction().equals(ACTION_WIDGET_RECEIVER)) {

           String msg = "null";

           try {

              msg = intent.getStringExtra("msg");

           } catch (NullPointerException e) {

              Log.e("Error", "msg = null");

           }

         Toast.makeText(context, msg, Toast.LENGTH_SHORT).show();

         PendingIntent contentIntent = PendingIntent.getActivity(context, 0, intent, 0);

         NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);

         Notification noty = new Notification(R.drawable.icon, "Button 1 clicked", System.currentTimeMillis());

         noty.setLatestEventInfo(context, "Notice", msg, contentIntent);

         notificationManager.notify(1, noty);

     }

     super.onReceive(context, intent);

  }

 }

}

@Activity

public class ClickOneActivity extends Activity {

   @Override

   protected void onCreate(Bundle savedInstanceState) {

      super.onCreate(savedInstanceState);

      setContentView(R.layout.configure);

      Toast.makeText(getApplicationContext(), "We are in ClickOneActivity", Toast.LENGTH_SHORT).show();

   }

}

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