Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright 2015 The Android Open Source Project
 *
 * 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.content.ContentResolver;

import android.database.Cursor;

import android.media.tv.TvContract;

import android.net.Uri;

public class Main {
    public static int getChannelCount(ContentResolver resolver, String inputId) {
        Uri uri = TvContract.buildChannelsUriForInput(inputId);
        String[] projection = { TvContract.Channels._ID };

        Cursor cursor = null;
        try {
            cursor = resolver.query(uri, projection, null, null, null);
            if (cursor != null) {
                return cursor.getCount();
            }
        } finally {
            if (cursor != null) {
                cursor.close();
            }
        }
        return 0;
    }
}