intentfilter - w3toppers.com

Android How to create Intent Filter for custom file extension that does NOT make it part of a chooser for everything on the phone

The only way to solve this problem is add scheme and host attributes to your intent filter: <intent-filter> <action android:name=”android.intent.action.VIEW” /> <category android:name=”android.intent.category.DEFAULT” /> <data android:scheme=”file” /> <data android:mimeType=”*/*” /> <data android:pathPattern=”.*\\.tgtp” /> <data android:host=”*” /> </intent-filter> That is because in documentation says that android:pathPattern only works if has an scheme and host defined. http://developer.android.com/guide/topics/manifest/data-element.html … Read more

How to create/disable intent-filter programmatically?

You can neither enable, disable, or create <intent-filter>s programmatically. However, in your case, you only have one <intent-filter> per component. In that case, you can enable and disable the component programmatically, via PackageManager and setComponentEnabledSetting(). In your case, enabling or disabling the activity would have the same basic effect as enabling or disabling its <intent-filter>.

Android Activity with no GUI

Echoing previous response, you shouldn’t use a broadcast receiver. In the same situation, what I did was to declare the theme thusly: <activity android:name=”MyActivity” android:label=”@string/app_name” android:theme=”@android:style/Theme.NoDisplay”>

Sharing Bitmap via Android Intent

I found 2 variants of the solution. Both involve saving Bitmap to storage, but the image will not appear in the gallery. First variant: Saving to external storage but to private folder of the app. for API <= 18 it requires permission, for newer it does not. 1. Setting permissions Add into AndroidManifest.xml before tag … Read more

Intent filter pathPrefix with ‘#’ not working

Intent filters use UriMatcher to parse URIs and determine if there is a match. # is the URI wildcard for a number as seen in examples in UriMatcher. Per the UriMatcher source code, there is no escape sequence to escape a # in a URI. Therefore you should use another, non-reserved symbol (note that * … Read more

Android: Can I enable/disable an activity’s intent filter programmatically?

You can’t do this directly, but you can create an activity alias in your AndroidManifest.xml with the intent filter in question, and then enable or disable the alias using PackageManager#setComponentEnabledSetting(), leaving your other intent filters in the main copy of the Activity so they won’t be affected.

Android: How to get a list of all available intent filters?

PackageExplorer lists all intent-filters defined in apps in your device To answer your question: You create the intent-filter(s) you want to be used to cause your activity to be selected when a program is looking for a service or activity. So each Activity in a Package defines it own list of intent-filters. I found it … Read more

Get NFC tag with NDEF Android Application Record (AAR)

If you want your app to be started by your tag and want to receive the parsed NDEF message, your tag should contain the following: An NDEF record that you want to filter upon as the first record of the NDEF message (you can only create intent-filters for the very first NDEF record on an … Read more

What is the purpose of “android.intent.category.DEFAULT”?

Categories are used for implicit Intents. So, If your Activity can be started by an implicit Intent when no other specific category is assigned to activity, activity’s Intent filter should include this category. (even if you have other categories in the Intent filter). If you are sure that your activity must be called with any … Read more

How to check if an intent can be handled from some activity?

edwardxu’s solution works perfectly for me. Just to clarify a bit: PackageManager packageManager = getActivity().getPackageManager(); if (intent.resolveActivity(packageManager) != null) { startActivity(intent); } else { Log.d(TAG, “No Intent available to handle action”); }