104 lines
3.7 KiB
Java
104 lines
3.7 KiB
Java
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.atsctvinput;
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import android.app.Activity;
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import android.app.ProgressDialog;
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import android.content.ComponentName;
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import android.content.ContentValues;
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import android.media.tv.TvContract;
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import android.net.Uri;
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import android.os.AsyncTask;
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import android.os.Bundle;
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import android.util.Log;
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import android.util.Pair;
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import com.example.android.atsctvinput.SampleTsStream.TsStream;
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import com.example.android.atsctvinput.SectionParser.EITItem;
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import com.example.android.atsctvinput.SectionParser.VCTItem;
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import com.example.atsctvinput.R;
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import java.util.List;
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/**
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* The scan/setup activity for ATSC TvInput app.
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*/
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public class AtscTvInputScanActivity extends Activity {
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private static final String TAG = "AtscTvInputScanActivity";
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private static final long FAKE_SCANTIME_PER_CHANNEL_MS = 1000;
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private ProgressDialog mProgressDialog;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mProgressDialog = new ProgressDialog(this);
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mProgressDialog.setMessage(getResources().getString(R.string.channel_scan_message));
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mProgressDialog.setCancelable(false);
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mProgressDialog.show();
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new AsyncTask<Void, Void, Void>() {
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@Override
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protected Void doInBackground(Void... params) {
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clearChannels();
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doAutoScan();
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return null;
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}
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@Override
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protected void onPostExecute(Void result) {
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mProgressDialog.hide();
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AtscTvInputScanActivity.this.setResult(Activity.RESULT_OK);
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AtscTvInputScanActivity.this.finish();
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}
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}.execute();
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}
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private void clearChannels() {
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//Uri uri = TvContract.buildChannelsUriForInput(
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// new ComponentName(this, AtscTvInputService.class));
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Uri uri = null;
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getContentResolver().delete(uri, null, null);
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}
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private void doAutoScan() {
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for (TsStream s : SampleTsStream.SAMPLES) {
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Pair<VCTItem, List<EITItem>> result = SampleTsStream.extractChannelInfo(this, s);
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if (result != null) {
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insertChannel(result.first, s);
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try {
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Thread.sleep(FAKE_SCANTIME_PER_CHANNEL_MS);
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} catch (InterruptedException e) {
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// Do nothing.
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}
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}
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}
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}
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public void insertChannel(VCTItem channel, TsStream stream) {
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Log.d(TAG, "Channel " + channel.getShortName() + " " + channel.getMajorChannelNumber()
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+ "-" + channel.getMinorChannelNumber() + " is detected.");
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ContentValues values = new ContentValues();
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values.put(TvContract.Channels.COLUMN_DISPLAY_NUMBER,
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channel.getMajorChannelNumber() + "-" + channel.getMinorChannelNumber());
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values.put(TvContract.Channels.COLUMN_DISPLAY_NAME, channel.getShortName());
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values.put(TvContract.Channels.COLUMN_INTERNAL_PROVIDER_DATA,
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SampleTsStream.getTuneInfo(stream));
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getContentResolver().insert(TvContract.Channels.CONTENT_URI, values);
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}
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}
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