Voicemail provider sample source code.
The app demostrates the how to use voicemail provider APIs to insert new voicemail records using a simple UI. Change-Id: I22610e06a8b80518b9f0d811f72afe245a4148c6
This commit is contained in:
Debashish Chatterjee
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/*
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* Copyright (C) 2011 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.voicemail;
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import android.app.Activity;
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import android.app.Dialog;
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import android.content.Intent;
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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.provider.MediaStore;
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import android.util.Pair;
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import android.view.View;
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import android.widget.Button;
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import android.widget.TextView;
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import com.example.android.voicemail.common.core.Voicemail;
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import com.example.android.voicemail.common.core.VoicemailImpl;
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import com.example.android.voicemail.common.core.VoicemailProviderHelper;
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import com.example.android.voicemail.common.core.VoicemailProviderHelpers;
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import com.example.android.voicemail.common.inject.InjectView;
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import com.example.android.voicemail.common.inject.Injector;
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import com.example.android.voicemail.common.logging.Logger;
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import com.example.android.voicemail.common.ui.DialogHelperImpl;
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import com.example.android.voicemail.common.utils.CloseUtils;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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/**
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* A simple activity that stores user entered voicemail data into voicemail content provider. To be
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* used as a test voicemail source.
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*/
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public class AddVoicemailActivity extends Activity {
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private static final Logger logger = Logger.getLogger(AddVoicemailActivity.class);
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private static final SimpleDateFormat DATE_FORMATTER = new SimpleDateFormat("dd/MM/yyyy h:mm");
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private static final int REQUEST_CODE_RECORDING = 100;
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private final DialogHelperImpl mDialogHelper = new DialogHelperImpl(this);
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/**
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* This is created in {@link #onCreate(Bundle)}, and needs to be released in
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* {@link #onDestroy()}.
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*/
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private VoicemailProviderHelper mVoicemailProviderHelper;
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private Uri mRecordingUri;
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// Mark the views as injectable. These objects are instantiated automatically during
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// onCreate() by finding the appropriate view that matches the specified resource_id.
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@InjectView(R.id.start_recording_btn)
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private Button mStartRec;
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@InjectView(R.id.save_btn)
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private Button mSaveButton;
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@InjectView(R.id.time)
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private TextView mTime;
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@InjectView(R.id.provider_package)
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private TextView mProviderPackage;
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@InjectView(R.id.mime_type)
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private TextView mMimeType;
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@InjectView(R.id.sender_number)
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private TextView mSenderNumber;
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@InjectView(R.id.duration)
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private TextView mDuration;
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/** Called when the activity is first created. */
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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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setContentView(R.layout.add_voicemail);
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// Inject all objects that are marked by @InjectView annotation.
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Injector.get(this).inject();
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mVoicemailProviderHelper = VoicemailProviderHelpers.createPackageScopedVoicemailProvider(this);
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setDefaultValues();
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// Record voice button.
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mStartRec.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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startRecording();
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}
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});
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// Save voicemail button.
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mSaveButton.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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storeVoicemail();
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}
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});
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}
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private void storeVoicemail() {
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try {
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Pair<Voicemail, Uri> newVoicemail = new Pair<Voicemail, Uri>(
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buildVoicemailObjectFromUiElements(), mRecordingUri);
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new InsertVoicemailTask().execute(newVoicemail);
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} catch (ParseException e) {
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handleError(e);
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}
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}
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private Voicemail buildVoicemailObjectFromUiElements() throws ParseException {
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String sender = mSenderNumber.getText().toString();
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String dateStr = mTime.getText().toString();
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String durationStr = mDuration.getText().toString();
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String mimeType = mMimeType.getText().toString();
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String sourcePackageName = mProviderPackage.getText().toString();
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long time = DATE_FORMATTER.parse(dateStr.trim()).getTime();
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long duration = durationStr.length() != 0 ? Long.parseLong(durationStr) : 0;
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return VoicemailImpl.createForInsertion(time, sender)
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.setDuration(duration)
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.setSource(sourcePackageName)
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.build();
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}
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@Override
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protected void onActivityResult(int requestCode, int resultCode, Intent data) {
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super.onActivityResult(requestCode, resultCode, data);
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switch (requestCode) {
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case REQUEST_CODE_RECORDING:
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handleRecordingResult(resultCode, data);
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break;
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default:
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logger.e("onActivityResult: Unexpected requestCode: " + requestCode);
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}
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}
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@Override
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protected Dialog onCreateDialog(int id, Bundle bundle) {
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return mDialogHelper.handleOnCreateDialog(id, bundle);
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}
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/** Set default values in the display */
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private void setDefaultValues() {
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// Set time to current time.
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mTime.setText(DATE_FORMATTER.format(new Date()));
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// Set provider package to this app's package.
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mProviderPackage.setText(getPackageName());
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}
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private void startRecording() {
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Intent recordingIntent = new Intent(MediaStore.Audio.Media.RECORD_SOUND_ACTION);
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startActivityForResult(recordingIntent, REQUEST_CODE_RECORDING);
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}
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private void handleRecordingResult(int resultCode, Intent data) {
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if (resultCode != RESULT_OK) {
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handleError(new Exception("Failed to do recording. Error Code: " + resultCode));
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}
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Uri uri = data.getData();
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logger.d("Received recording URI: " + uri);
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if (uri != null) {
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mRecordingUri = uri;
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mMimeType.setText(getContentResolver().getType(uri));
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}
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}
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private void handleError(Exception e) {
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mDialogHelper.showErrorMessageDialog(R.string.voicemail_store_error, e);
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}
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/**
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* An async task that inserts a new voicemail record using a background thread.
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* The tasks accepts a pair of voicemail object and the recording Uri as the param.
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* The result returned is the error exception, if any, encountered during the operation.
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*/
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private class InsertVoicemailTask extends AsyncTask<Pair<Voicemail, Uri>, Void, Exception> {
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@Override
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protected Exception doInBackground(Pair<Voicemail, Uri>... params) {
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if (params.length > 0) {
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try {
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insertVoicemail(params[0].first, params[0].second);
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} catch (IOException e) {
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return e;
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}
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}
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return null;
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}
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private void insertVoicemail(Voicemail voicemail, Uri recordingUri) throws IOException {
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InputStream inputAudioStream = recordingUri == null ? null :
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getContentResolver().openInputStream(recordingUri);
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Uri newVoicemailUri = mVoicemailProviderHelper.insert(voicemail);
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logger.i("Inserted new voicemail URI: " + newVoicemailUri);
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if (inputAudioStream != null) {
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OutputStream outputStream = null;
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try {
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outputStream = mVoicemailProviderHelper.setVoicemailContent(
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newVoicemailUri, getContentResolver().getType(recordingUri));
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copyStreamData(inputAudioStream, outputStream);
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} finally {
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CloseUtils.closeQuietly(outputStream);
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CloseUtils.closeQuietly(inputAudioStream);
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}
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}
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}
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@Override
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protected void onPostExecute(Exception error) {
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if (error == null) {
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// No error - done.
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finish();
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} else {
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handleError(error);
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}
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}
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private void copyStreamData(InputStream in, OutputStream out) throws IOException {
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// Copy 8K chunk at a time.
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byte[] data = new byte[8 * 1024];
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int numBytes;
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while ((numBytes = in.read(data)) > 0) {
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out.write(data, 0, numBytes);
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}
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}
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}
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}
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