Add sample ATSC TvInputService app.

Change-Id: I67204020bf1eb0c833d507cb0c9e4914e5985b3c
2014-04-18 21:08:35 +09:00
parent f93d490356
commit 0113785a39
11 changed files with 1075 additions and 0 deletions
--- a/samples/AtscTvInput/src/com/example/android/atsctvinput/AtscTvInputScanActivity.java
+++ b/samples/AtscTvInput/src/com/example/android/atsctvinput/AtscTvInputScanActivity.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+package com.example.android.atsctvinput;
+
+import android.app.Activity;
+import android.app.ProgressDialog;
+import android.content.ContentValues;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.provider.TvContract;
+import android.util.Log;
+import android.util.Pair;
+
+import com.example.android.atsctvinput.SampleTsStream.TsStream;
+import com.example.android.atsctvinput.SectionParser.EITItem;
+import com.example.android.atsctvinput.SectionParser.VCTItem;
+import com.example.atsctvinput.R;
+
+import java.util.List;
+
+/**
+ * The scan/setup activity for ATSC TvInput app.
+ */
+public class AtscTvInputScanActivity extends Activity {
+    private static final String TAG = "AtscTvInputScanActivity";
+    private static final long FAKE_SCANTIME_PER_CHANNEL_MS = 1000;
+    private ProgressDialog mProgressDialog;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mProgressDialog = new ProgressDialog(this);
+        mProgressDialog.setMessage(getResources().getString(R.string.channel_scan_message));
+        mProgressDialog.setCancelable(false);
+
+        mProgressDialog.show();
+        new AsyncTask<Void, Void, Void>() {
+            @Override
+            protected Void doInBackground(Void... params) {
+                clearChannels();
+                doAutoScan();
+                return null;
+            }
+
+            @Override
+            protected void onPostExecute(Void result) {
+                mProgressDialog.hide();
+                AtscTvInputScanActivity.this.finish();
+            }
+        }.execute();
+    }
+
+    private void clearChannels() {
+        String selection = TvContract.Channels.SERVICE_NAME + " = ?";
+        String[] selectionArgs = new String[] {
+            AtscTvInputService.class.getName()
+        };
+        getContentResolver().delete(TvContract.Channels.CONTENT_URI, selection, selectionArgs);
+    }
+
+    private void doAutoScan() {
+        for (TsStream s : SampleTsStream.SAMPLES) {
+            Pair<VCTItem, List<EITItem>> result = SampleTsStream.extractChannelInfo(this, s);
+            if (result != null) {
+                insertChannel(result.first, s);
+                try {
+                    Thread.sleep(FAKE_SCANTIME_PER_CHANNEL_MS);
+                } catch (InterruptedException e) {
+                    // Do nothing.
+                }
+            }
+        }
+    }
+
+    public void insertChannel(VCTItem channel, TsStream stream) {
+        Log.d(TAG, "Channel " + channel.getShortName() + " " + channel.getMajorChannelNumber()
+                + "-" + channel.getMinorChannelNumber() + " is detected.");
+        ContentValues values = new ContentValues();
+        values.put(TvContract.Channels.SERVICE_NAME, AtscTvInputService.class.getName());
+        values.put(TvContract.Channels.DISPLAY_NUMBER,
+                channel.getMajorChannelNumber() + "-" + channel.getMinorChannelNumber());
+        values.put(TvContract.Channels.DISPLAY_NAME, channel.getShortName());
+        values.put(TvContract.Channels.DATA, SampleTsStream.getTuneInfo(stream));
+        getContentResolver().insert(TvContract.Channels.CONTENT_URI, values);
+    }
+}