Retrieve launcher activity name of the application from the context - Android Activity

Android examples for Activity:Activity Title

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Description

Retrieve launcher activity name of the application from the context

Demo Code


//package com.java2s;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;

public class Main {
    /**/*from  w ww .  ja v a  2s  . com*/
     * 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.
     */
    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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