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RecipeAssistant / Application / src / com.example.android.wearable.recipeassistant /

RecipeActivity.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.recipeassistant;
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import android.app.Activity;
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import android.app.PendingIntent;
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import android.content.Intent;
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import android.graphics.Bitmap;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.animation.Animation;
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import android.view.animation.AnimationUtils;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import org.json.JSONObject;
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public class RecipeActivity extends Activity {
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    private static final String TAG = "RecipeAssistant";
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    private String mRecipeName;
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    private Recipe mRecipe;
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    private ImageView mImageView;
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    private TextView mTitleTextView;
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    private TextView mSummaryTextView;
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    private TextView mIngredientsTextView;
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    private LinearLayout mStepsLayout;
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    @Override
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    protected void onStart() {
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        super.onStart();
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        Intent intent = getIntent();
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        mRecipeName = intent.getStringExtra(Constants.RECIPE_NAME_TO_LOAD);
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        if (Log.isLoggable(TAG, Log.DEBUG)) {
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            Log.d(TAG, "Intent: " + intent.toString() + " " + mRecipeName);
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        }
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        loadRecipe();
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    }
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    @Override
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    protected void onCreate(Bundle savedInstanceState) {
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        super.onCreate(savedInstanceState);
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        setContentView(R.layout.recipe);
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        mTitleTextView = (TextView) findViewById(R.id.recipeTextTitle);
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        mSummaryTextView = (TextView) findViewById(R.id.recipeTextSummary);
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        mImageView = (ImageView) findViewById(R.id.recipeImageView);
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        mIngredientsTextView = (TextView) findViewById(R.id.textIngredients);
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        mStepsLayout = (LinearLayout) findViewById(R.id.layoutSteps);
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    }
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    @Override
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    public boolean onCreateOptionsMenu(Menu menu) {
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        // Inflate the menu; this adds items to the action bar if it is present.
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        getMenuInflater().inflate(R.menu.main, menu);
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        return true;
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    }
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    @Override
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    public boolean onOptionsItemSelected(MenuItem item) {
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        switch(item.getItemId()) {
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            case R.id.action_cook:
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                startCooking();
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                return true;
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        }
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        return super.onOptionsItemSelected(item);
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    }
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    private void loadRecipe() {
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        JSONObject jsonObject = AssetUtils.loadJSONAsset(this, mRecipeName);
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        if (jsonObject != null) {
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            mRecipe = Recipe.fromJson(this, jsonObject);
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            if (mRecipe != null) {
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                displayRecipe(mRecipe);
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            }
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        }
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    }
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    private void displayRecipe(Recipe recipe) {
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        Animation fadeIn = AnimationUtils.loadAnimation(this, android.R.anim.fade_in);
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        mTitleTextView.setAnimation(fadeIn);
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        mTitleTextView.setText(recipe.titleText);
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        mSummaryTextView.setText(recipe.summaryText);
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        if (recipe.recipeImage != null) {
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            mImageView.setAnimation(fadeIn);
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            Bitmap recipeImage = AssetUtils.loadBitmapAsset(this, recipe.recipeImage);
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            mImageView.setImageBitmap(recipeImage);
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        }
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        mIngredientsTextView.setText(recipe.ingredientsText);
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        findViewById(R.id.ingredientsHeader).setAnimation(fadeIn);
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        findViewById(R.id.ingredientsHeader).setVisibility(View.VISIBLE);
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        findViewById(R.id.stepsHeader).setAnimation(fadeIn);
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        findViewById(R.id.stepsHeader).setVisibility(View.VISIBLE);
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        LayoutInflater inf = LayoutInflater.from(this);
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        mStepsLayout.removeAllViews();
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        int stepNumber = 1;
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        for (Recipe.RecipeStep step : recipe.recipeSteps) {
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            View view = inf.inflate(R.layout.step_item, null);
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            ImageView iv = (ImageView) view.findViewById(R.id.stepImageView);
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            if (step.stepImage == null) {
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                iv.setVisibility(View.GONE);
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            } else {
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                Bitmap stepImage = AssetUtils.loadBitmapAsset(this, step.stepImage);
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                iv.setImageBitmap(stepImage);
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            }
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            ((TextView) view.findViewById(R.id.textStep)).setText(
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                    (stepNumber++) + ". " + step.stepText);
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            mStepsLayout.addView(view);
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        }
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    }
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    private void startCooking() {
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        Intent intent = new Intent(this, RecipeService.class);
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        intent.setAction(Constants.ACTION_START_COOKING);
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        intent.putExtra(Constants.EXTRA_RECIPE, mRecipe.toBundle());
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        startService(intent);
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    }
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}
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