Android example source code file (AppWidgetProviderInfo.java)

This example Android source code file (AppWidgetProviderInfo.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

android, appwidgetproviderinfo, componentname, content, creator, os, parcelable, string

The AppWidgetProviderInfo.java Android example source code

/*
 * Copyright (C) 2006 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.appwidget;

import android.os.Parcel;
import android.os.Parcelable;
import android.content.ComponentName;

/**
 * Describes the meta data for an installed AppWidget provider.  The fields in this class
 * correspond to the fields in the <code><appwidget-provider> xml tag.
 */
public class AppWidgetProviderInfo implements Parcelable {
    /**
     * Identity of this AppWidget component.  This component should be a {@link
     * android.content.BroadcastReceiver}, and it will be sent the AppWidget intents
     * {@link android.appwidget as described in the AppWidget package documentation}.
     *
     * <p>This field corresponds to the android:name attribute in
     * the <code><receiver> element in the AndroidManifest.xml file.
     */
    public ComponentName provider;

    /**
     * Minimum width of the AppWidget, in dp.
     *
     * <p>This field corresponds to the android:minWidth attribute in
     * the AppWidget meta-data file.
     */
    public int minWidth;

    /**
     * Minimum height of the AppWidget, in dp.
     *
     * <p>This field corresponds to the android:minHeight attribute in
     * the AppWidget meta-data file.
     */
    public int minHeight;

    /**
     * How often, in milliseconds, that this AppWidget wants to be updated.
     * The AppWidget manager may place a limit on how often a AppWidget is updated.
     *
     * <p>This field corresponds to the android:updatePeriodMillis attribute in
     * the AppWidget meta-data file.
     *
     * <p class="note">Note: Updates requested with updatePeriodMillis
     * will not be delivered more than once every 30 minutes.</p>
     */
    public int updatePeriodMillis;

    /**
     * The resource id of the initial layout for this AppWidget.  This should be
     * displayed until the RemoteViews for the AppWidget is available.
     *
     * <p>This field corresponds to the android:initialLayout attribute in
     * the AppWidget meta-data file.
     */
    public int initialLayout;

    /**
     * The activity to launch that will configure the AppWidget.
     *
     * <p>This class name of field corresponds to the android:configure attribute in
     * the AppWidget meta-data file.  The package name always corresponds to the package containing
     * the AppWidget provider.
     */
    public ComponentName configure;

    /**
     * The label to display to the user in the AppWidget picker.  If not supplied in the
     * xml, the application label will be used.
     *
     * <p>This field corresponds to the android:label attribute in
     * the <code><receiver> element in the AndroidManifest.xml file.
     */
    public String label;

    /**
     * The icon to display for this AppWidget in the AppWidget picker.  If not supplied in the
     * xml, the application icon will be used.
     *
     * <p>This field corresponds to the android:icon attribute in
     * the <code><receiver> element in the AndroidManifest.xml file.
     */
    public int icon;
    
    
    /**
     * The previous name, if any, of the app widget receiver. If not supplied, it will be
     * ignored.
     *
     * <p>This field corresponds to the <meta-data /> with the name
     * <code>android.appwidget.oldName.
     * 
     * @hide Pending API approval
     */
    public String oldName;

    public AppWidgetProviderInfo() {
    }

    /**
     * Unflatten the AppWidgetProviderInfo from a parcel.
     */
    public AppWidgetProviderInfo(Parcel in) {
        if (0 != in.readInt()) {
            this.provider = new ComponentName(in);
        }
        this.minWidth = in.readInt();
        this.minHeight = in.readInt();
        this.updatePeriodMillis = in.readInt();
        this.initialLayout = in.readInt();
        if (0 != in.readInt()) {
            this.configure = new ComponentName(in);
        }
        this.label = in.readString();
        this.icon = in.readInt();
    }


    public void writeToParcel(android.os.Parcel out, int flags) {
        if (this.provider != null) {
            out.writeInt(1);
            this.provider.writeToParcel(out, flags);
        } else {
            out.writeInt(0);
        }
        out.writeInt(this.minWidth);
        out.writeInt(this.minHeight);
        out.writeInt(this.updatePeriodMillis);
        out.writeInt(this.initialLayout);
        if (this.configure != null) {
            out.writeInt(1);
            this.configure.writeToParcel(out, flags);
        } else {
            out.writeInt(0);
        }
        out.writeString(this.label);
        out.writeInt(this.icon);
    }

    public int describeContents() {
        return 0;
    }

    /**
     * Parcelable.Creator that instantiates AppWidgetProviderInfo objects
     */
    public static final Parcelable.Creator<AppWidgetProviderInfo> CREATOR
            = new Parcelable.Creator<AppWidgetProviderInfo>()
    {
        public AppWidgetProviderInfo createFromParcel(Parcel parcel)
        {
            return new AppWidgetProviderInfo(parcel);
        }

        public AppWidgetProviderInfo[] newArray(int size)
        {
            return new AppWidgetProviderInfo[size];
        }
    };

    public String toString() {
        return "AppWidgetProviderInfo(provider=" + this.provider + ")";
    }
}