Example usage for android.content.pm PackageManager queryIntentActivities

Introduction

In this page you can find the example usage for android.content.pm PackageManager queryIntentActivities.

Prototype

public abstract List<ResolveInfo> queryIntentActivities(Intent intent, @ResolveInfoFlags int flags);

Source Link

Document

Retrieve all activities that can be performed for the given intent.

Usage

From source file:Main.java

/**
 * Gets the activity list.//from   w w  w .  j a va  2 s . c  o  m
 * 
 * @param context
 *            the context
 * @param intent
 *            the intent
 * 
 * @return the activity list
 */
public static List<Hashtable<String, Object>> getActivityList(Context context, Intent intent) {
    List<Hashtable<String, Object>> result = new ArrayList<Hashtable<String, Object>>();
    PackageManager pm = context.getPackageManager();
    List<ResolveInfo> list = pm.queryIntentActivities(intent.addCategory("android.intent.category.DEFAULT"), 0);
    for (ResolveInfo info : list) {
        Hashtable<String, Object> h = new Hashtable<String, Object>();

        CharSequence labelSeq = info.activityInfo.loadLabel(pm);
        String label = labelSeq != null ? labelSeq.toString() : info.activityInfo.name;

        h.put(LABEL, label);
        h.put(INTENT, activityIntent(info.activityInfo.applicationInfo.packageName, info.activityInfo.name));
        result.add(h);
    }
    Collections.sort(result, displayNameComparator);
    return result;

}

From source file:Main.java

public static boolean isIntentAvailable(Context context, String action) {

    final PackageManager packageManager = context.getPackageManager();
    final Intent intent = new Intent(action);
    List<ResolveInfo> resolveInfo = packageManager.queryIntentActivities(intent,
            PackageManager.MATCH_DEFAULT_ONLY);
    return resolveInfo != null && !resolveInfo.isEmpty();
}

From source file:com.codyy.lib.utils.ActivityUtils.java

/**
 * ?launcher activity//from  www .j av  a2  s. c  o m
 *
 * @param context     
 * @param packageName ??
 * @return launcher activity
 */
public static String getLauncherActivity(Context context, String packageName) {
    Intent intent = new Intent(Intent.ACTION_MAIN, null);
    intent.addCategory(Intent.CATEGORY_LAUNCHER);
    PackageManager pm = context.getPackageManager();
    List<ResolveInfo> infos = pm.queryIntentActivities(intent, 0);
    for (ResolveInfo info : infos) {
        if (info.activityInfo.packageName.equals(packageName)) {
            return info.activityInfo.name;
        }
    }
    return "no " + packageName;
}

From source file:Main.java

public static Boolean isActionAvailable(Activity activity, int action) {
    Log.d(TAG, "[AirImagePickerUtils] Entering isActionAvailable");
    if (action == CROP_ACTION) {
        return isCropAvailable(activity);
    }/* w w w .ja  v  a2 s  .c om*/

    final PackageManager packageManager = activity.getPackageManager();
    List<ResolveInfo> list = packageManager.queryIntentActivities(getIntentForAction(action),
            PackageManager.MATCH_DEFAULT_ONLY);

    Log.d(TAG, "[AirImagePickerUtils] Exiting isActionAvailable");

    return list.size() > 0;
}

From source file:Main.java

/**
 * Indicates whether the specified action can be used as an intent. This
 * method queries the package manager for installed packages that can
 * respond to an intent with the specified action. If no suitable package is
 * found, this method returns false.//from   w  w w.jav  a 2 s .  c  om
 * 
 * @param context
 *            The application's environment.
 * @param action
 *            The Intent action to check for availability.
 * 
 * @return True if an Intent with the specified action can be sent and
 *         responded to, false otherwise.
 */
public static boolean isIntentAvailable(Context context, String action) {
    final PackageManager packageManager = context.getPackageManager();
    final Intent intent = new Intent(action);
    List<ResolveInfo> list = packageManager.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY);
    return list.size() > 0;
}

From source file:com.todoroo.astrid.voice.VoiceRecognizer.java

/**
 * Call this to see if your phone supports voiceinput in its current configuration.
 * If this method returns false, it could also mean that Google Voicesearch is simply
 * not installed.//from   ww  w  . ja v a2s  . c o  m
 * If this method returns true, internal use of it enables the registered microphone-button.
 *
 * @return whether this phone supports voiceinput
 */
public static boolean voiceInputAvailable(Context context) {
    PackageManager pm = context.getPackageManager();
    List<ResolveInfo> activities = pm
            .queryIntentActivities(new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH), 0);
    return (activities.size() != 0);
}

From source file:Main.java

/**
 * Used to check whether there is a specialized handler for a given intent.
 * @param intent The intent to check with.
 * @return Whether there is a specialized handler for the given intent.
 *///from   w  w w . j  ava2 s.  co m
private static boolean hasSpecializedHandlerIntents(Context context, Intent intent) {
    try {
        PackageManager pm = context.getPackageManager();
        List<ResolveInfo> handlers = pm.queryIntentActivities(intent, PackageManager.GET_RESOLVED_FILTER);
        if (handlers == null || handlers.size() == 0) {
            return false;
        }
        for (ResolveInfo resolveInfo : handlers) {
            IntentFilter filter = resolveInfo.filter;
            if (filter == null)
                continue;
            if (filter.countDataAuthorities() == 0 || filter.countDataPaths() == 0)
                continue;
            if (resolveInfo.activityInfo == null)
                continue;
            return true;
        }
    } catch (RuntimeException e) {
        Log.e(TAG, "Runtime exception while getting specialized handlers");
    }
    return false;
}

From source file:Main.java

/**
 * Check if action available installed//  www  .  j  a va2s .c o  m
 *
 * @param context Context of current app
 * @param action Package of application to check
 * @return true if passed package installed
 */
public static boolean isIntentAvailable(Context context, String action) {
    final PackageManager packageManager = context.getPackageManager();
    final Intent intent = new Intent(action);
    assert packageManager != null;
    List<ResolveInfo> list = packageManager.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY);
    return list.size() > 0;
}

From source file:com.app.common.util.IntentUtils.java

public static void startEmailActivity(Context context, String to, String subject, String body) {
    final Intent intent = new Intent(Intent.ACTION_SEND);
    intent.setType("message/rfc822");

    if (!TextUtils.isEmpty(to)) {
        intent.putExtra(Intent.EXTRA_EMAIL, new String[] { to });
    }//from   w w  w .  j a v  a 2  s  . com
    if (!TextUtils.isEmpty(subject)) {
        intent.putExtra(Intent.EXTRA_SUBJECT, subject);
    }
    if (!TextUtils.isEmpty(body)) {
        intent.putExtra(Intent.EXTRA_TEXT, body);
    }

    final PackageManager pm = (PackageManager) context.getPackageManager();
    try {
        if (pm.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY).size() == 0) {
            intent.setType("text/plain");
        }
    } catch (Exception e) {
        Log.w("Exception encountered while looking for email intent receiver.", e);
    }

    context.startActivity(intent);
}

From source file:Main.java

public static List<ResolveInfo> getBrowsers(Context context) {
    PackageManager pm = context.getPackageManager();

    Intent query = new Intent();
    query.setAction(Intent.ACTION_VIEW);
    query.setData(Uri.parse("http://localhost"));

    return pm.queryIntentActivities(query, 0);
}