com.vorlonsoft.android.rate.Utils Maven / Gradle / Ivy

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Library to help you promote your Android app by prompting users to rate the app after using it for a few days.
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/*
 * Copyright 2017 - 2018 Vorlonsoft LLC
 *
 * Licensed under The MIT License (MIT)
 */

package com.vorlonsoft.android.rate;

import android.annotation.SuppressLint;
import android.app.AlertDialog;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.os.Build;
import android.util.Log;

import java.util.ArrayList;
import java.util.List;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;

import static com.vorlonsoft.android.rate.Constants.Utils.TAG;

/**
 * Utils Class - utils class of the AndroidRate library.
 *
 * @since    0.5.0
 * @version  1.2.1
 * @author   Alexander Savin
 * @author   Shintaro Katafuchi
 */

final class Utils {

    private Utils() {
        throw new AssertionError();
    }

    static boolean isLollipop() {
        return ((Build.VERSION.SDK_INT == Build.VERSION_CODES.LOLLIPOP) || (Build.VERSION.SDK_INT == Build.VERSION_CODES.LOLLIPOP_MR1));
    }

    /**
     * Creates {@link android.app.AlertDialog.Builder}.
     *
     * @param context activity context
     * @param themeResId theme resource ID
     * @return created {@link android.app.AlertDialog.Builder} object
     */
    @SuppressLint("ObsoleteSdkInt")
    @SuppressWarnings("ConstantConditions")
    @Nullable
    static AlertDialog.Builder getDialogBuilder(@NonNull final Context context, final int themeResId) {
        if (context == null) {
            Log.i(TAG, "Failed to create AlertDialog.Builder");
            return null;
        } else if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
            return new android.app.AlertDialog.Builder(context);
        } else {
            if (themeResId == 0) {
                return new android.app.AlertDialog.Builder(context);
            } else {
                return new android.app.AlertDialog.Builder(context, themeResId);
            }
        }
    }

    /**
     * Creates {@link androidx.appcompat.app.AlertDialog.Builder}.
     *
     * @param context activity context
     * @param themeResId theme resource ID
     * @return created {@link androidx.appcompat.app.AlertDialog.Builder} object
     */
    @SuppressWarnings("ConstantConditions")
    @Nullable
    @RequiresApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
    static androidx.appcompat.app.AlertDialog.Builder getAppCompatDialogBuilder(@NonNull final Context context, final int themeResId) {
        if (context == null) {
            Log.i(TAG, "Failed to create AlertDialog.Builder");
            return null;
        } else if (themeResId == 0) {
            return new androidx.appcompat.app.AlertDialog.Builder(context);
        } else {
            return new androidx.appcompat.app.AlertDialog.Builder(context, themeResId);
        }
    }

    @SuppressWarnings("ConstantConditions")
    @Nullable
    static String[] isPackagesExists(@NonNull final Context context, @NonNull final String[] targetPackages) {
        final String[] EMPTY_STRING_ARRAY = new String[0];
        final String EMPTY_STRING = "";

        if (context == null) {
            Log.i(TAG, "Failed to get installed applications");
            return null;
        } else if (targetPackages == null) {
            Log.i(TAG, "Null pointer to an array of target packages");
            return null;
        } else if (targetPackages.length == 0) {
            return EMPTY_STRING_ARRAY;
        }

        final List applicationInfo = context.getPackageManager().getInstalledApplications(0);
        if (targetPackages.length == 1) {
            if ((targetPackages[0] != null) && (targetPackages[0].hashCode() != EMPTY_STRING.hashCode())) {
                for (ApplicationInfo anApplicationInfo : applicationInfo) {
                    if (targetPackages[0].equals(anApplicationInfo.packageName)) {
                        return new String[]{targetPackages[0]};
                    }
                }
            }
            return EMPTY_STRING_ARRAY;
        } else {
            final ArrayList packageNames = new ArrayList<>();
            for (String aTargetPackage : targetPackages) {
                if ((aTargetPackage != null) && (aTargetPackage.hashCode() != EMPTY_STRING.hashCode())) {
                    for (ApplicationInfo anApplicationInfo : applicationInfo) {
                        if (aTargetPackage.equals(anApplicationInfo.packageName)) {
                            packageNames.add(aTargetPackage);
                            break;
                        }
                    }
                }
            }
            return packageNames.toArray(new String[0]);
        }
    }
}