Android Open Source - android-intents Intent Utils

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License

The source code is released under:

Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. "License" shall mean the terms and conditions...

Java Source Code

/*
Copyright 2013 Vincent Mimoun-Prat/*from  w w  w .  j a v  a2 s  . c  om*/

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 com.marvinlabs.intents;

import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.net.Uri;

import java.util.List;

/**
 * Provides utility functions to work with intents
 *
 * @author Vincent Prat @ MarvinLabs
 */
public class IntentUtils {

    /**
     * Checks whether there are applications installed which are able to handle the given action/data.
     *
     * @param context  the current context
     * @param action   the action to check
     * @param uri      that data URI to check (may be null)
     * @param mimeType the MIME type of the content (may be null)
     * @return true if there are apps which will respond to this action/data
     */
    public static boolean isIntentAvailable(Context context, String action, Uri uri, String mimeType) {
        final Intent intent = (uri != null) ? new Intent(action, uri) : new Intent(action);
        if (mimeType != null) {
            intent.setType(mimeType);
        }
        List<ResolveInfo> list = context.getPackageManager().queryIntentActivities(intent,
                PackageManager.MATCH_DEFAULT_ONLY);
        return !list.isEmpty();
    }

    /**
     * Checks whether there are applications installed which are able to handle the given action/type.
     *
     * @param context  the current context
     * @param action   the action to check
     * @param mimeType the MIME type of the content (may be null)
     * @return true if there are apps which will respond to this action/type
     */
    public static boolean isIntentAvailable(Context context, String action, String mimeType) {
        final Intent intent = new Intent(action);
        if (mimeType != null) {
            intent.setType(mimeType);
        }
        List<ResolveInfo> list = context.getPackageManager().queryIntentActivities(intent,
                PackageManager.MATCH_DEFAULT_ONLY);
        return !list.isEmpty();
    }

    /**
     * Checks whether there are applications installed which are able to handle the given intent.
     *
     * @param context the current context
     * @param intent  the intent to check
     * @return true if there are apps which will respond to this intent
     */
    public static boolean isIntentAvailable(Context context, Intent intent) {
        List<ResolveInfo> list = context.getPackageManager().queryIntentActivities(intent,
                PackageManager.MATCH_DEFAULT_ONLY);
        return !list.isEmpty();
    }

}

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