Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2014 Yaroslav Mytkalyk
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.io.File;

import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.graphics.Bitmap;

import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;

import android.support.annotation.NonNull;
import android.support.annotation.Nullable;

public class Main {
    @Nullable
    public static Bitmap extractApkIcon(@NonNull final PackageManager pm, @NonNull final File file) {
        final String filePath = file.getPath();
        final PackageInfo packageInfo = pm.getPackageArchiveInfo(filePath, PackageManager.GET_ACTIVITIES);
        if (packageInfo != null) {
            final ApplicationInfo appInfo = packageInfo.applicationInfo;
            if (appInfo != null) {
                appInfo.sourceDir = filePath;
                appInfo.publicSourceDir = filePath;
                final Drawable icon = appInfo.loadIcon(pm);
                if (icon != null) {
                    return ((BitmapDrawable) icon).getBitmap();
                }
            }
        }
        return null;
    }
}