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AgendaData / Wearable / src / com.example.android.wearable.agendadata /

DeleteService.java

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/*
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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.wearable.agendadata;
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import android.app.IntentService;
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import android.content.Intent;
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import android.net.Uri;
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import android.os.Bundle;
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import android.support.wearable.activity.ConfirmationActivity;
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import android.util.Log;
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import static com.example.android.wearable.agendadata.Constants.TAG;
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import static com.example.android.wearable.agendadata.Constants.EXTRA_SILENT;
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import com.google.android.gms.common.ConnectionResult;
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import com.google.android.gms.common.api.GoogleApiClient;
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import com.google.android.gms.wearable.DataApi;
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import com.google.android.gms.wearable.Wearable;
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import java.util.concurrent.TimeUnit;
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/**
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 * Handles "Delete" button on calendar event card.
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 */
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public class DeleteService extends IntentService implements GoogleApiClient.ConnectionCallbacks,
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        GoogleApiClient.OnConnectionFailedListener {
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    /* Timeout for making a connection to GoogleApiClient (in milliseconds) */
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    private static final long TIME_OUT = 100;
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    private GoogleApiClient mGoogleApiClient;
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    public DeleteService() {
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        super(DeleteService.class.getSimpleName());
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    }
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    @Override
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    public void onCreate() {
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        super.onCreate();
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        mGoogleApiClient = new GoogleApiClient.Builder(this)
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                .addApi(Wearable.API)
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                .addConnectionCallbacks(this)
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                .addOnConnectionFailedListener(this)
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                .build();
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    }
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    @Override
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    protected void onHandleIntent(Intent intent) {
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        mGoogleApiClient.blockingConnect(TIME_OUT, TimeUnit.MILLISECONDS);
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        Uri dataItemUri = intent.getData();
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        if (Log.isLoggable(TAG, Log.VERBOSE)) {
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            Log.v(TAG, "DeleteService.onHandleIntent=" + dataItemUri);
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        }
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        if (mGoogleApiClient.isConnected()) {
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            DataApi.DeleteDataItemsResult result = Wearable.DataApi
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                    .deleteDataItems(mGoogleApiClient, dataItemUri).await();
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            if (result.getStatus().isSuccess() && !intent.getBooleanExtra(EXTRA_SILENT, false)) {
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                // Show the success animation on the watch unless Silent extra is true.
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                startConfirmationActivity(ConfirmationActivity.SUCCESS_ANIMATION,
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                                          getString(R.string.delete_successful));
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            } else {
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                if (Log.isLoggable(TAG, Log.VERBOSE)) {
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                    Log.v(TAG, "DeleteService.onHandleIntent: Failed to delete dataItem:"
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                            + dataItemUri);
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                }
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                // Show the failure animation on the watch unless Silent extra is true.
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                if (!intent.getBooleanExtra(EXTRA_SILENT, false)) {
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                    startConfirmationActivity(ConfirmationActivity.FAILURE_ANIMATION,
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                                              getString(R.string.delete_unsuccessful));
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                }
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            }
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        } else {
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            Log.e(TAG, "Failed to delete data item: " + dataItemUri
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                    + " - Client disconnected from Google Play Services");
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            // Show the failure animation on the watch unless Silent extra is true.
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            if (!intent.getBooleanExtra(EXTRA_SILENT, false)) {
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                startConfirmationActivity(ConfirmationActivity.FAILURE_ANIMATION,
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                        getString(R.string.delete_unsuccessful));
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            }
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        }
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        mGoogleApiClient.disconnect();
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    }
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    private void startConfirmationActivity(int animationType, String message) {
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        Intent confirmationActivity = new Intent(this, ConfirmationActivity.class)
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                .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_NO_ANIMATION)
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                .putExtra(ConfirmationActivity.EXTRA_ANIMATION_TYPE, animationType)
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                .putExtra(ConfirmationActivity.EXTRA_MESSAGE, message);
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        startActivity(confirmationActivity);
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    }
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    @Override
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    public void onConnected(Bundle connectionHint) {
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        if (Log.isLoggable(TAG, Log.DEBUG)) {
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            Log.d(TAG, "onConnected: " + connectionHint);
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        }
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    }
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    @Override
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    public void onConnectionSuspended(int cause) {
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        if (Log.isLoggable(TAG, Log.DEBUG)) {
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            Log.d(TAG, "onConnectionSuspended: " + cause);
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        }
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    }
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    @Override
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    public void onConnectionFailed(ConnectionResult result) {
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        if (Log.isLoggable(TAG, Log.DEBUG)) {
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            Log.d(TAG, "onConnectionFailed: " + result);
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        }
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    }
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}
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