Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * FFmpegMediaPlayer: A unified interface for playing audio files and streams.
 *
 * Copyright 2014 William Seemann
 * 
 * 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.app.Activity;

import android.content.ContentResolver;

import android.content.Context;

import android.database.Cursor;

import android.net.Uri;

import android.provider.MediaStore;

import android.view.Window;

public class Main {
    public static void setSpinnerState(Activity a) {
        if (isMediaScannerScanning(a)) {
            // start the progress spinner
            a.getWindow().setFeatureInt(Window.FEATURE_INDETERMINATE_PROGRESS, Window.PROGRESS_INDETERMINATE_ON);

            a.getWindow().setFeatureInt(Window.FEATURE_INDETERMINATE_PROGRESS, Window.PROGRESS_VISIBILITY_ON);
        } else {
            // stop the progress spinner
            a.getWindow().setFeatureInt(Window.FEATURE_INDETERMINATE_PROGRESS, Window.PROGRESS_VISIBILITY_OFF);
        }
    }

    public static boolean isMediaScannerScanning(Context context) {
        boolean result = false;
        Cursor cursor = query(context, MediaStore.getMediaScannerUri(),
                new String[] { MediaStore.MEDIA_SCANNER_VOLUME }, null, null, null);
        if (cursor != null) {
            if (cursor.getCount() == 1) {
                cursor.moveToFirst();
                result = "external".equals(cursor.getString(0));
            }
            cursor.close();
        }

        return result;
    }

    public static Cursor query(Context context, Uri uri, String[] projection, String selection,
            String[] selectionArgs, String sortOrder, int limit) {
        try {
            ContentResolver resolver = context.getContentResolver();
            if (resolver == null) {
                return null;
            }
            if (limit > 0) {
                uri = uri.buildUpon().appendQueryParameter("limit", "" + limit).build();
            }
            return resolver.query(uri, projection, selection, selectionArgs, sortOrder);
        } catch (UnsupportedOperationException ex) {
            return null;
        }

    }

    public static Cursor query(Context context, Uri uri, String[] projection, String selection,
            String[] selectionArgs, String sortOrder) {
        return query(context, uri, projection, selection, selectionArgs, sortOrder, 0);
    }
}