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Lab3/app/src/main/java/com/example/zyz/lab3/NewAppWidget.java
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| package com.example.zyz.lab3; | ||
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| import android.app.PendingIntent; | ||
| import android.appwidget.AppWidgetManager; | ||
| import android.appwidget.AppWidgetProvider; | ||
| import android.content.ComponentName; | ||
| import android.content.Context; | ||
| import android.content.Intent; | ||
| import android.os.Bundle; | ||
| import android.widget.RemoteViews; | ||
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| /** | ||
| * Implementation of App Widget functionality. | ||
| */ | ||
| public class NewAppWidget extends AppWidgetProvider { | ||
| private static final String STATICACTION = "com.example.zyz.lab3.MyStaticFilter"; | ||
| private static final String DYNAMICACTION = "com.example.zyz.lab3.MyDynamicFilter"; | ||
| private Items items; | ||
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| static void updateAppWidget(Context context, AppWidgetManager appWidgetManager, | ||
| int appWidgetId) { | ||
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| //CharSequence widgetText = context.getString(R.string.appwidget_text); | ||
| // Construct the RemoteViews object | ||
| RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.new_app_widget); | ||
| Intent intent = new Intent(context,MainActivity.class); | ||
| PendingIntent pendingIntent = PendingIntent.getActivity(context,0,intent,PendingIntent.FLAG_UPDATE_CURRENT); | ||
| views.setOnClickPendingIntent(R.id.widget_image,pendingIntent); | ||
| ComponentName componentName = new ComponentName(context,NewAppWidget.class); | ||
| //views.setTextViewText(R.id.appwidget_text, widgetText); | ||
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| // Instruct the widget manager to update the widget | ||
| appWidgetManager.updateAppWidget(componentName, views); | ||
| } | ||
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| @Override | ||
| public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { | ||
| // There may be multiple widgets active, so update all of them | ||
| for (int appWidgetId : appWidgetIds) { | ||
| updateAppWidget(context, appWidgetManager, appWidgetId); | ||
| } | ||
| } | ||
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| @Override | ||
| public void onEnabled(Context context) { | ||
| // Enter relevant functionality for when the first widget is created | ||
| } | ||
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| @Override | ||
| public void onDisabled(Context context) { | ||
| // Enter relevant functionality for when the last widget is disabled | ||
| } | ||
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| @Override | ||
| public void onReceive(Context context,Intent intent) | ||
| { | ||
| super.onReceive(context,intent); | ||
| // AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context); | ||
| // Bundle bundle = intent.getExtras(); | ||
| if(intent.getAction().equals(STATICACTION)) | ||
| { | ||
| items = (Items) intent.getExtras().get("item"); | ||
| assert items != null; | ||
| Intent local_intent = new Intent(context,ItemInfo.class); | ||
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| Bundle bundle = new Bundle(); | ||
| bundle.putSerializable("item",items); | ||
| local_intent.putExtras(bundle); | ||
| RemoteViews remoteViews = new RemoteViews(context.getPackageName(),R.layout.new_app_widget); | ||
| PendingIntent pendingIntent = PendingIntent.getActivity(context,0,local_intent,PendingIntent.FLAG_UPDATE_CURRENT); | ||
| remoteViews.setTextViewText(R.id.appwidget_text,items.getName()+"仅售￥ "+items.getPrice()); | ||
| remoteViews.setImageViewResource(R.id.widget_image,items.getImg()); | ||
| remoteViews.setOnClickPendingIntent(R.id.widget_image,pendingIntent); | ||
| ComponentName componentName = new ComponentName(context,NewAppWidget.class); | ||
| AppWidgetManager.getInstance(context).updateAppWidget(componentName,remoteViews); | ||
| } | ||
| } | ||
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| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" | ||
| xmlns:app="http://schemas.android.com/apk/res-auto" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="match_parent" | ||
| android:background="#00000000" | ||
| android:orientation="horizontal" | ||
| android:padding="@dimen/widget_margin"> | ||
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| <TextView | ||
| android:id="@+id/appwidget_text" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:layout_centerVertical="true" | ||
| android:layout_margin="8dp" | ||
| android:background="#00000000" | ||
| android:contentDescription="@string/appwidget_text" | ||
| android:text="@string/appwidget_text" | ||
| android:layout_toRightOf="@+id/widget_image" | ||
| android:textColor="#ffffff" | ||
| android:textSize="15sp" | ||
| android:textStyle="bold|italic" /> | ||
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| <ImageView | ||
| android:id="@+id/widget_image" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:layout_centerVertical="true" | ||
| android:layout_alignParentStart="true" | ||
| android:src="@drawable/shoplist" | ||
| app:srcCompat="@drawable/arla" /> | ||
|
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| </RelativeLayout> |
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| <?xml version="1.0" encoding="utf-8"?> | ||
| <resources> | ||
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| <!-- | ||
| Refer to App Widget Documentation for margin information | ||
| http://developer.android.com/guide/topics/appwidgets/index.html#CreatingLayout | ||
| --> | ||
| <dimen name="widget_margin">0dp</dimen> | ||
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| </resources> |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,10 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <resources> | ||
|
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| <!-- | ||
| Refer to App Widget Documentation for margin information | ||
| http://developer.android.com/guide/topics/appwidgets/index.html#CreatingLayout | ||
| --> | ||
| <dimen name="widget_margin">8dp</dimen> | ||
|
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| </resources> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android" | ||
| android:initialKeyguardLayout="@layout/new_app_widget" | ||
| android:initialLayout="@layout/new_app_widget" | ||
| android:minHeight="40dp" | ||
| android:minWidth="40dp" | ||
| android:previewImage="@drawable/example_appwidget_preview" | ||
| android:resizeMode="horizontal|vertical" | ||
| android:updatePeriodMillis="86400000" | ||
| android:widgetCategory="home_screen"></appwidget-provider> |