Before triggering an implicit intent check if there is any registered activity - Android Activity

Android examples for Activity:Activity Feature

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Description

Before triggering an implicit intent check if there is any registered activity

Demo Code


//package com.java2s;
import java.util.List;

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

public class Main {
    /**//from   ww  w.j a v  a  2s .c  o  m
     * Purpose - Before triggering an implicit intent check if there is any registered activity
     * 
     *  @param context Current Activity context
     *  @param intent Implicit Intent to be called
     * */
    public static boolean isIntentSafe(Context context, Intent intent) {
        if (context == null)
            return false;
        PackageManager packageMgr = context.getPackageManager();
        List<ResolveInfo> activities = packageMgr.queryIntentActivities(
                intent, 0);
        return (activities.size() > 0);
    }
}

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