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/*
* 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.wearable.agendadata;
import static com.example.android.wearable.agendadata.Constants.TAG;
import android.app.Activity;
import android.content.Intent;
import android.content.IntentSender;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ScrollView;
import android.widget.TextView;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.common.api.GoogleApiClient.ConnectionCallbacks;
import com.google.android.gms.common.api.GoogleApiClient.OnConnectionFailedListener;
import com.google.android.gms.common.api.ResultCallback;
import com.google.android.gms.wearable.DataApi;
import com.google.android.gms.wearable.DataItem;
import com.google.android.gms.wearable.DataItemBuffer;
import com.google.android.gms.wearable.Node;
import com.google.android.gms.wearable.NodeApi;
import com.google.android.gms.wearable.Wearable;
import java.util.List;
public class MainActivity extends Activity implements NodeApi.NodeListener, ConnectionCallbacks,
OnConnectionFailedListener {
/** Request code for launching the Intent to resolve Google Play services errors. */
private static final int REQUEST_RESOLVE_ERROR = 1000;
private GoogleApiClient mGoogleApiClient;
private boolean mResolvingError = false;
private TextView mLogTextView;
ScrollView mScroller;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mLogTextView = (TextView) findViewById(R.id.log);
mScroller = (ScrollView) findViewById(R.id.scroller);
mGoogleApiClient = new GoogleApiClient.Builder(this)
.addApi(Wearable.API)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.build();
}
@Override
protected void onStart() {
super.onStart();
if (!mResolvingError) {
mGoogleApiClient.connect();
}
}
@Override
protected void onStop() {
if (mGoogleApiClient.isConnected()) {
Wearable.NodeApi.removeListener(mGoogleApiClient, this);
}
mGoogleApiClient.disconnect();
super.onStop();
}
public void onGetEventsClicked(View v) {
startService(new Intent(this, CalendarQueryService.class));
}
public void onDeleteEventsClicked(View v) {
if (mGoogleApiClient.isConnected()) {
Wearable.DataApi.getDataItems(mGoogleApiClient)
.setResultCallback(new ResultCallback<DataItemBuffer>() {
@Override
public void onResult(DataItemBuffer result) {
try {
if (result.getStatus().isSuccess()) {
deleteDataItems(result);
} else {
if (Log.isLoggable(TAG, Log.DEBUG)) {
Log.d(TAG,"onDeleteEventsClicked(): failed to get Data "
+ "Items");
}
}
} finally {
result.release();
}
}
});
} else {
Log.e(TAG, "Failed to delete data items"
+ " - Client disconnected from Google Play Services");
}
}
private void deleteDataItems(final DataItemBuffer dataItemList) {
if (mGoogleApiClient.isConnected()) {
for (final DataItem dataItem : dataItemList) {
final Uri dataItemUri = dataItem.getUri();
// In a real calendar application, this might delete the corresponding calendar
// event from the calendar data provider. In this sample, we simply delete the
// DataItem, but leave the phone's calendar data intact.
Wearable.DataApi.deleteDataItems(mGoogleApiClient, dataItemUri)
.setResultCallback(new ResultCallback<DataApi.DeleteDataItemsResult>() {
@Override
public void onResult(DataApi.DeleteDataItemsResult deleteResult) {
if (deleteResult.getStatus().isSuccess()) {
appendLog("Successfully deleted data item: " + dataItemUri);
} else {
appendLog("Failed to delete data item:" + dataItemUri);
}
}
});
}
} else {
Log.e(TAG, "Failed to delete data items"
+ " - Client disconnected from Google Play Services");
}
}
private void appendLog(final String s) {
mLogTextView.post(new Runnable() {
@Override
public void run() {
mLogTextView.append(s);
mLogTextView.append("\n");
mScroller.fullScroll(View.FOCUS_DOWN);
}
});
}
@Override
public void onPeerConnected(Node peer) {
appendLog("Device connected");
}
@Override
public void onPeerDisconnected(Node peer) {
appendLog("Device disconnected");
}
@Override
public void onConnected(Bundle connectionHint) {
if (Log.isLoggable(TAG, Log.DEBUG)) {
Log.d(TAG, "Connected to Google Api Service");
}
mResolvingError = false;
Wearable.NodeApi.addListener(mGoogleApiClient, this);
}
@Override
public void onConnectionSuspended(int cause) {
// Ignore
}
@Override
public void onConnectionFailed(ConnectionResult result) {
if (Log.isLoggable(TAG, Log.DEBUG)) {
Log.d(TAG, "Disconnected from Google Api Service");
}
if (null != Wearable.NodeApi) {
Wearable.NodeApi.removeListener(mGoogleApiClient, this);
}
if (mResolvingError) {
// Already attempting to resolve an error.
return;
} else if (result.hasResolution()) {
try {
mResolvingError = true;
result.startResolutionForResult(this, REQUEST_RESOLVE_ERROR);
} catch (IntentSender.SendIntentException e) {
// There was an error with the resolution intent. Try again.
mGoogleApiClient.connect();
}
} else {
mResolvingError = false;
}
}
}
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