How to check if Flash players are installed on Android

Question

How can I easily check Javascript in the Android web browser if Adobe Flash Player 10.1 (https://market.android.com/details?id=com.adobe.flashplayer) was downloaded from the Android Market and installed?

-

Update: thanks for the answers, but I need a validation code for Javascript since I am using a web solution (HTML / Javascript / CSS) and not my own Java application. A small part of the web application runs in Flex, so the .swf file is displayed in the element <div>, but before that I would like to check if Flash Player is installed or not.

Answer 1

- , Javascript, Java?

Java - :

    Intent intent = new Intent();

    intent.setComponent(new ComponentName("com.adobe.flashplayer", "com.adobe.flashplayer.FlashExpandableFileChooser"));
    PackageManager pm = getPackageManager();
    List<ResolveInfo> activities = pm.queryIntentActivities(intent, 0);
    if (activities != null && activities.size() > 0) {
        Toast.makeText(this, "Flash is installed!", Toast.LENGTH_LONG).show();
    }
    else {
        Toast.makeText(this, "Flash not installed!", Toast.LENGTH_LONG).show();
    }

HTC Desire.

, com.adobe.flashplayer.FlashExpandableFileChooser, Flash Player AndroidManifest.xml.

:

<?xml version="1.0" encoding="utf-8"?>
<manifest
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:versionCode="101106016"
        android:versionName="10.1.106.16"
        package="com.adobe.flashplayer"
        >
        <application
                android:label="Adobe Flash Player 10.1"
                android:icon="@7F020000"
                >
                <activity
                        android:name="com.adobe.flashplayer.FlashExpandableFileChooser"
                        >
                        <intent-filter
                                >
                                <action
                                        android:name="android.intent.action.MAIN"
                                        >
                                </action>
                                <category
                                        android:name="android.intent.category.DEFAULT"
                                        >
                                </category>
                                <category
                                        android:name="FlashExpandableFileChooser"
                                        >
                                </category>
                        </intent-filter>
                </activity>
                <service
                        android:name="com.adobe.flashplayer.FlashPaintSurface"
                        >
                        <intent-filter
                                >
                                <action
                                        android:name="android.webkit.PLUGIN"
                                        >
                                </action>
                        </intent-filter>
                        <meta-data
                                android:name="type"
                                android:value="native"
                                >
                        </meta-data>
                </service>
        </application>
        <uses-permission
                android:name="android.webkit.permission.PLUGIN"
                >
        </uses-permission>
        <uses-sdk
                android:minSdkVersion="8"
                android:targetSdkVersion="5"
                android:maxSdkVersion="10"
                >
        </uses-sdk>
</manifest>

, JavaScript. , setJavaScriptInterface

JavaScript, :

flashInstalled = false;
if (navigator.plugins && navigator.plugins.length) {
  for (n = 0; n < navigator.plugins.length; n++) {
    if (navigator.plugins[n].name.indexOf('Shockwave Flash') != -1) {
        flashInstalled = true;
        break;
    }
}

Answer 2

PackageManager:

http://developer.android.com/reference/android/content/pm/PackageManager.html

getInstalledApplications().

Answer 3

Another approach to doing the same job

 boolean flashInstalled = false;
    try {
      PackageManager pm = getPackageManager();
      ApplicationInfo ai = pm.getApplicationInfo("com.adobe.flashplayer", 0);
      if (ai != null)
        flashInstalled = true;
    } catch (NameNotFoundException e) {
      flashInstalled = false;
    }