Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2015. Appsi Mobile
 *
 * 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 android.annotation.TargetApi;
import android.content.ContentResolver;
import android.content.Context;
import android.content.SharedPreferences;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.BitmapRegionDecoder;

import android.graphics.Rect;

import android.net.Uri;

import android.util.Log;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;

public class Main {
    public static Bitmap getSidebarWallpaper(Context context, SharedPreferences preferences, int sidebarWidth,
            int sidebarHeight) {
        return getSidebarWallpaperApi10(context, preferences, sidebarWidth, sidebarHeight);

    }

    @TargetApi(10)
    private static Bitmap getSidebarWallpaperApi10(Context context, SharedPreferences preferences, int sidebarWidth,
            int sidebarHeight) {
        boolean useBackground = preferences.getBoolean("pref_sidebar_custom_background", false);
        if (!useBackground)
            return null;

        String path = preferences.getString("pref_sidebar_background_image", null);
        if (path == null)
            return null;

        try {
            BitmapFactory.Options bounds = decodeBounds(createWallpaperInputStream(context, path));
            int decodeHeight = Math.min(bounds.outHeight, sidebarHeight);
            int decodeWidth = Math.min(bounds.outWidth, sidebarWidth);
            InputStream in = createWallpaperInputStream(context, path);
            try {
                BitmapRegionDecoder decoder = BitmapRegionDecoder.newInstance(in, false);
                BitmapFactory.Options options = new BitmapFactory.Options();
                return decoder.decodeRegion(new Rect(0, 0, decodeWidth, decodeHeight), options);
            } finally {
                in.close();
            }
        } catch (IOException e) {
            return null;
        }

    }

    static BitmapFactory.Options decodeBounds(InputStream in) throws IOException {
        BitmapFactory.Options options = new BitmapFactory.Options();
        try {
            // Decode image size
            options.inJustDecodeBounds = true;
            BitmapFactory.decodeStream(in, null, options);
            return options;
        } finally {
            in.close();
        }
    }

    public static InputStream createWallpaperInputStream(Context context, String preferenceValue)
            throws FileNotFoundException {
        File file = new File(preferenceValue);
        if (file.exists()) {
            return new FileInputStream(file);
        }

        Uri uri = Uri.parse(preferenceValue);
        ContentResolver contentResolver = context.getContentResolver();
        try {
            return contentResolver.openInputStream(uri);
        } catch (SecurityException e) {
            Log.i("ThemingUtils", "unable to open background image", e);
            FileNotFoundException fileNotFoundException = new FileNotFoundException(e.getMessage());
            fileNotFoundException.initCause(e);
            throw fileNotFoundException;
        }
    }
}