Example usage for android.content.pm PackageManager resolveActivity

Introduction

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

Prototype

public abstract ResolveInfo resolveActivity(Intent intent, @ResolveInfoFlags int flags);

Source Link

Document

Determine the best action to perform for a given Intent.

Usage

From source file:Main.java

public static boolean hasPreferredApplication(final Context context, final Intent intent) {
    PackageManager pm = context.getPackageManager();
    ResolveInfo info = pm.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
    return !"android".equals(info.activityInfo.packageName);
}

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From source file:Main.java

public static boolean canBeStarted(Context context, Intent intent, boolean checkSignature) {
    final PackageManager manager = context.getApplicationContext().getPackageManager();
    final ResolveInfo info = manager.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
    if (info == null) {
        return false;
    }/*from www  .  ja  v a2  s .  c o m*/
    final ActivityInfo activityInfo = info.activityInfo;
    if (activityInfo == null) {
        return false;
    }
    if (!checkSignature) {
        return true;
    }
    return PackageManager.SIGNATURE_MATCH == manager.checkSignatures(context.getPackageName(),
            activityInfo.packageName);
}

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From source file:Main.java

public static ResolveInfo getDefaultBrowser(Context context) {
    PackageManager pm = context.getPackageManager();

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

    ResolveInfo info = pm.resolveActivity(query, 0);

    if (info == null) {
        return info;
    }/*from ww  w.  j av a 2  s . c  om*/

    // Could be a Chooser
    if (info.activityInfo.packageName.equals("android")) {
        return null;
    }

    return info;
}

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From source file:Main.java

static boolean isSystemApp(Context context, Intent intent) {
    PackageManager pm = context.getPackageManager();
    ComponentName cn = intent.getComponent();
    String packageName = null;//from   ww  w.j  av a 2  s  .co  m
    if (cn == null) {
        ResolveInfo info = pm.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
        if ((info != null) && (info.activityInfo != null)) {
            packageName = info.activityInfo.packageName;
        }
    } else {
        packageName = cn.getPackageName();
    }
    if (packageName != null) {
        try {
            PackageInfo info = pm.getPackageInfo(packageName, 0);
            return (info != null) && (info.applicationInfo != null)
                    && ((info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0);
        } catch (NameNotFoundException e) {
            return false;
        }
    } else {
        return false;
    }
}

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From source file:Main.java

/**
 * Goes through all apps that handle VIEW intents and have a warmup service. Picks
 * the one chosen by the user if there is one, otherwise makes a best effort to return a
 * valid package name./*from   www  .  j  av a  2  s .c om*/
 *
 * This is <strong>not</strong> threadsafe.
 *
 * @param context {@link Context} to use for accessing {@link PackageManager}.
 * @return The package name recommended to use for connecting to custom tabs related components.
 */
public static String getPackageNameToUse(Context context) {
    if (sPackageNameToUse != null)
        return sPackageNameToUse;

    PackageManager pm = context.getPackageManager();
    // Get default VIEW intent handler.
    Intent activityIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.example.com"));
    ResolveInfo defaultViewHandlerInfo = pm.resolveActivity(activityIntent, 0);
    String defaultViewHandlerPackageName = null;
    if (defaultViewHandlerInfo != null) {
        defaultViewHandlerPackageName = defaultViewHandlerInfo.activityInfo.packageName;
    }

    // Get all apps that can handle VIEW intents.
    List<ResolveInfo> resolvedActivityList = pm.queryIntentActivities(activityIntent, 0);
    List<String> packagesSupportingCustomTabs = new ArrayList<>();
    for (ResolveInfo info : resolvedActivityList) {
        Intent serviceIntent = new Intent();
        serviceIntent.setAction(ACTION_CUSTOM_TABS_CONNECTION);
        serviceIntent.setPackage(info.activityInfo.packageName);
        if (pm.resolveService(serviceIntent, 0) != null) {
            packagesSupportingCustomTabs.add(info.activityInfo.packageName);
        }
    }

    // Now packagesSupportingCustomTabs contains all apps that can handle both VIEW intents
    // and service calls.
    if (packagesSupportingCustomTabs.isEmpty()) {
        sPackageNameToUse = null;
    } else if (packagesSupportingCustomTabs.size() == 1) {
        sPackageNameToUse = packagesSupportingCustomTabs.get(0);
    } else if (!TextUtils.isEmpty(defaultViewHandlerPackageName)
            && !hasSpecializedHandlerIntents(context, activityIntent)
            && packagesSupportingCustomTabs.contains(defaultViewHandlerPackageName)) {
        sPackageNameToUse = defaultViewHandlerPackageName;
    } else if (packagesSupportingCustomTabs.contains(STABLE_PACKAGE)) {
        sPackageNameToUse = STABLE_PACKAGE;
    } else if (packagesSupportingCustomTabs.contains(BETA_PACKAGE)) {
        sPackageNameToUse = BETA_PACKAGE;
    } else if (packagesSupportingCustomTabs.contains(DEV_PACKAGE)) {
        sPackageNameToUse = DEV_PACKAGE;
    } else if (packagesSupportingCustomTabs.contains(LOCAL_PACKAGE)) {
        sPackageNameToUse = LOCAL_PACKAGE;
    }
    return sPackageNameToUse;
}

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From source file:com.elkriefy.android.apps.chubbytabby.CustomTabsHelper.java

/**
 * Goes through all apps that handle VIEW intents and have a warmup service. Picks the one
 * chosen by the user if there is one, otherwise makes a best effort to return a valid package
 * name./*from w  ww .  j  a  va  2 s.  co m*/
 *
 * This is <strong>not</strong> threadsafe.
 *
 * @param context {@link Context} to use for accessing {@link PackageManager}.
 * @return The package name recommended to use for connecting to custom tabs related components.
 */
public static String getPackageNameToUse(Context context) {
    if (sPackageNameToUse != null)
        return sPackageNameToUse;

    PackageManager pm = context.getPackageManager();
    // Get default VIEW intent handler.
    Intent activityIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("https://www.packtpub.com"));
    ResolveInfo defaultViewHandlerInfo = pm.resolveActivity(activityIntent, 0);
    String defaultViewHandlerPackageName = null;
    if (defaultViewHandlerInfo != null) {
        defaultViewHandlerPackageName = defaultViewHandlerInfo.activityInfo.packageName;
    }

    // Get all apps that can handle VIEW intents.
    List<ResolveInfo> resolvedActivityList = pm.queryIntentActivities(activityIntent, 0);
    List<String> packagesSupportingCustomTabs = new ArrayList<>();
    for (ResolveInfo info : resolvedActivityList) {
        Intent serviceIntent = new Intent();
        serviceIntent.setAction(CustomTabsService.ACTION_CUSTOM_TABS_CONNECTION);
        serviceIntent.setPackage(info.activityInfo.packageName);
        if (pm.resolveService(serviceIntent, 0) != null) {
            packagesSupportingCustomTabs.add(info.activityInfo.packageName);
        }
    }

    // Now packagesSupportingCustomTabs contains all apps that can handle both VIEW intents
    // and service calls.
    if (packagesSupportingCustomTabs.isEmpty()) {
        sPackageNameToUse = null;
    } else if (packagesSupportingCustomTabs.size() == 1) {
        sPackageNameToUse = packagesSupportingCustomTabs.get(0);
    } else if (!android.text.TextUtils.isEmpty(defaultViewHandlerPackageName)
            && !hasSpecializedHandlerIntents(context, activityIntent)
            && packagesSupportingCustomTabs.contains(defaultViewHandlerPackageName)) {
        sPackageNameToUse = defaultViewHandlerPackageName;
    } else if (packagesSupportingCustomTabs.contains(STABLE_PACKAGE)) {
        sPackageNameToUse = STABLE_PACKAGE;
    } else if (packagesSupportingCustomTabs.contains(BETA_PACKAGE)) {
        sPackageNameToUse = BETA_PACKAGE;
    } else if (packagesSupportingCustomTabs.contains(DEV_PACKAGE)) {
        sPackageNameToUse = DEV_PACKAGE;
    } else if (packagesSupportingCustomTabs.contains(LOCAL_PACKAGE)) {
        sPackageNameToUse = LOCAL_PACKAGE;
    }
    return sPackageNameToUse;
}

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From source file:Main.java

/**
 * Given an AppTask retrieves the task class name.
 * @param task The app task to use./*from ww  w .  j  av a 2  s  .c o m*/
 * @param pm The package manager to use for resolving intent.
 * @return Fully qualified class name or null if we were not able to
 * determine it.
 */
public static String getTaskClassName(AppTask task, PackageManager pm) {
    RecentTaskInfo info = getTaskInfoFromTask(task);
    if (info == null)
        return null;

    Intent baseIntent = info.baseIntent;
    if (baseIntent == null) {
        return null;
    } else if (baseIntent.getComponent() != null) {
        return baseIntent.getComponent().getClassName();
    } else {
        ResolveInfo resolveInfo = pm.resolveActivity(baseIntent, 0);
        if (resolveInfo == null)
            return null;
        return resolveInfo.activityInfo.name;
    }
}

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From source file:com.sanfriend.launcher4.InstallShortcutReceiver.java

/**
 * Tries to create a new PendingInstallShortcutInfo which represents the same target,
 * but is an app target and not a shortcut.
 * @return the newly created info or the original one.
 *//* w  w w.  j  a v  a2 s .  c  o  m*/
private static PendingInstallShortcutInfo convertToLauncherActivityIfPossible(
        PendingInstallShortcutInfo original) {
    if (original.isLuncherActivity()) {
        // Already an activity target
        return original;
    }
    if (!Utilities.isLauncherAppTarget(original.launchIntent)
            || !original.user.equals(UserHandleCompat.myUserHandle())) {
        // We can only convert shortcuts which point to a main activity in the current user.
        return original;
    }

    PackageManager pm = original.mContext.getPackageManager();
    ResolveInfo info = pm.resolveActivity(original.launchIntent, 0);

    if (info == null) {
        return original;
    }

    // Ignore any conflicts in the label name, as that can change based on locale.
    LauncherActivityInfoCompat launcherInfo = LauncherActivityInfoCompat.fromResolveInfo(info,
            original.mContext);
    return new PendingInstallShortcutInfo(launcherInfo, original.mContext);
}

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From source file:Main.java

/**
 * Retrieve launcher activity name of the application from the context
 *
 * @param context The context of the application package.
 * @return launcher activity name of this application. From the
 *         "android:name" attribute./*from  w w  w .  j  a  va2s. com*/
 */
private static String getLauncherClassName(Context context) {
    PackageManager packageManager = context.getPackageManager();

    Intent intent = new Intent(Intent.ACTION_MAIN);
    // To limit the components this Intent will resolve to, by setting an
    // explicit package name.
    intent.setPackage(context.getPackageName());
    intent.addCategory(Intent.CATEGORY_LAUNCHER);

    // All Application must have 1 Activity at least.
    // Launcher activity must be found!
    ResolveInfo info = packageManager.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);

    // get a ResolveInfo containing ACTION_MAIN, CATEGORY_LAUNCHER
    // if there is no Activity which has filtered by CATEGORY_DEFAULT
    if (info == null) {
        info = packageManager.resolveActivity(intent, 0);
    }

    return info.activityInfo.name;
}

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From source file:com.marlonjones.voidlauncher.InstallShortcutReceiver.java

/**
 * Tries to create a new PendingInstallShortcutInfo which represents the same target,
 * but is an app target and not a shortcut.
 * @return the newly created info or the original one.
 *///from  ww w.j  av a2  s. c o  m
private static PendingInstallShortcutInfo convertToLauncherActivityIfPossible(
        PendingInstallShortcutInfo original) {
    if (original.isLauncherActivity()) {
        // Already an activity target
        return original;
    }
    if (!Utilities.isLauncherAppTarget(original.launchIntent)
            || !original.user.equals(UserHandleCompat.myUserHandle())) {
        // We can only convert shortcuts which point to a main activity in the current user.
        return original;
    }

    PackageManager pm = original.mContext.getPackageManager();
    ResolveInfo info = pm.resolveActivity(original.launchIntent, 0);

    if (info == null) {
        return original;
    }

    // Ignore any conflicts in the label name, as that can change based on locale.
    LauncherActivityInfoCompat launcherInfo = LauncherActivityInfoCompat.fromResolveInfo(info,
            original.mContext);
    return new PendingInstallShortcutInfo(launcherInfo, original.mContext);
}

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