Android Open Source - WearOngoingNotificationSample Notification Activity

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License

The source code is released under:

Copyright (c) 2014, Double Encore, Inc. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are ...

Java Source Code

package com.doubleencore.sample.wear.ongoingnotification;
/*  www. ja v a 2  s.c  om*/
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.wearable.Asset;
import com.google.android.gms.wearable.Wearable;

import java.io.InputStream;
import java.util.Random;
import java.util.concurrent.TimeUnit;

/**
 * Created by carlos on 7/15/14.
 */
public class NotificationActivity extends Activity {
    private static final String TAG = NotificationActivity.class.getSimpleName();

    public static final String EXTRA_TITLE = "title";
    public static final String EXTRA_IMAGE = "image";

    private ImageView mImageView;
    private TextView mTextView;
    Random random;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_notification);

        mImageView = (ImageView) findViewById(R.id.image_view);
        mTextView = (TextView) findViewById(R.id.text_view);

        Intent intent = getIntent();
        if (intent != null) {
            mTextView.setText(intent.getStringExtra(EXTRA_TITLE));

            final Asset asset = intent.getParcelableExtra(EXTRA_IMAGE);

            loadBitmapFromAsset(this, asset, mImageView);
        }

        random = new Random();
        mTextView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mTextView.setTextColor(Color.argb(255, random.nextInt(256), random.nextInt(256), random.nextInt(256)));
            }
        });
    }

    private static void loadBitmapFromAsset(final Context context, final Asset asset, final ImageView target) {
        if (asset == null) {
            throw new IllegalArgumentException("Asset must be non-null");
        }

        new AsyncTask<Asset, Void, Bitmap>() {
            @Override
            protected Bitmap doInBackground(Asset... assets) {
                GoogleApiClient googleApiClient = new GoogleApiClient.Builder(context)
                        .addApi(Wearable.API)
                        .build();
                ConnectionResult result =
                        googleApiClient.blockingConnect(
                                1000, TimeUnit.MILLISECONDS);
                if (!result.isSuccess()) {
                    return null;
                }

                // convert asset into a file descriptor and block until it's ready
                InputStream assetInputStream = Wearable.DataApi.getFdForAsset(
                        googleApiClient, assets[0]).await().getInputStream();
                googleApiClient.disconnect();

                if (assetInputStream == null) {
                    Log.w(TAG, "Requested an unknown Asset.");
                    return null;
                }

                // decode the stream into a bitmap
                return BitmapFactory.decodeStream(assetInputStream);
            }

            @Override
            protected void onPostExecute(Bitmap bitmap) {
                if (bitmap != null) {
                    target.setImageBitmap(bitmap);
                }
            }
        }.execute(asset);
    }

}

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