Chatper 12

chapter12/MaterialTest/.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures

chapter12/MaterialTest/app/.gitignore

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+/build

chapter12/MaterialTest/app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 24
+    buildToolsVersion "24.0.2"
+
+    defaultConfig {
+        applicationId "com.example.materialtest"
+        minSdkVersion 15
+        targetSdkVersion 24
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    compile 'com.android.support:appcompat-v7:24.2.1'
+    testCompile 'junit:junit:4.12'
+    compile 'com.android.support:design:24.2.1'
+    compile 'de.hdodenhof:circleimageview:2.1.0'
+    compile 'com.android.support:recyclerview-v7:24.2.1'
+    compile 'com.android.support:cardview-v7:24.2.1'
+    compile 'com.github.bumptech.glide:glide:3.7.0'
+}

chapter12/MaterialTest/app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in C:\Users\Administrator\AppData\Local\Android\Sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

chapter12/MaterialTest/app/src/androidTest/java/com/example/materialtest/ApplicationTest.java

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+package com.example.materialtest;
+
+import android.app.Application;
+import android.test.ApplicationTestCase;
+
+/**
+ * <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
+ */
+public class ApplicationTest extends ApplicationTestCase<Application> {
+    public ApplicationTest() {
+        super(Application.class);
+    }
+}

chapter12/MaterialTest/app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.materialtest">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity
+            android:name=".MainActivity"
+            android:label="Fruits">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity
+            android:name=".FruitActivity"
+            android:theme="@style/FruitActivityTheme">
+        </activity>
+    </application>
+
+</manifest>

chapter12/MaterialTest/app/src/main/java/com/example/materialtest/Fruit.java

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+package com.example.materialtest;
+
+public class Fruit {
+
+    private String name;
+
+    private int imageId;
+
+    public Fruit(String name, int imageId) {
+        this.name = name;
+        this.imageId = imageId;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getImageId() {
+        return imageId;
+    }
+
+}

chapter12/MaterialTest/app/src/main/java/com/example/materialtest/FruitActivity.java

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+package com.example.materialtest;
+
+import android.content.Intent;
+import android.graphics.Color;
+import android.support.design.widget.CollapsingToolbarLayout;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.support.v7.widget.Toolbar;
+import android.view.MenuItem;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.bumptech.glide.Glide;
+
+public class FruitActivity extends AppCompatActivity {
+
+    public static final String FRUIT_NAME = "fruit_name";
+
+    public static final String FRUIT_IMAGE_ID = "fruit_image_id";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_fruit);
+        Intent intent = getIntent();
+        String fruitName = intent.getStringExtra(FRUIT_NAME);
+        int fruitImageId = intent.getIntExtra(FRUIT_IMAGE_ID, 0);
+        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        CollapsingToolbarLayout collapsingToolbar = (CollapsingToolbarLayout) findViewById(R.id.collapsing_toolbar);
+        ImageView fruitImageView = (ImageView) findViewById(R.id.fruit_image_view);
+        TextView fruitContentText = (TextView) findViewById(R.id.fruit_content_text);
+        setSupportActionBar(toolbar);
+        ActionBar actionBar = getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+        }
+        collapsingToolbar.setTitle(fruitName);
+        Glide.with(this).load(fruitImageId).into(fruitImageView);
+        String fruitContent = generateFruitContent(fruitName);
+        fruitContentText.setText(fruitContent);
+    }
+
+    private String generateFruitContent(String fruitName) {
+        StringBuilder fruitContent = new StringBuilder();
+        for (int i = 0; i < 500; i++) {
+            fruitContent.append(fruitName);
+        }
+        return fruitContent.toString();
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                finish();
+                return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+}

chapter12/MaterialTest/app/src/main/java/com/example/materialtest/FruitAdapter.java

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+package com.example.materialtest;
+
+import android.content.Context;
+import android.content.Intent;
+import android.support.v7.widget.CardView;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.bumptech.glide.Glide;
+
+import java.util.List;
+
+public class FruitAdapter extends RecyclerView.Adapter<FruitAdapter.ViewHolder>{
+
+    private static final String TAG = "FruitAdapter";
+
+    private Context mContext;
+
+    private List<Fruit> mFruitList;
+
+    static class ViewHolder extends RecyclerView.ViewHolder {
+        CardView cardView;
+        ImageView fruitImage;
+        TextView fruitName;
+
+        public ViewHolder(View view) {
+            super(view);
+            cardView = (CardView) view;
+            fruitImage = (ImageView) view.findViewById(R.id.fruit_image);
+            fruitName = (TextView) view.findViewById(R.id.fruit_name);
+        }
+    }
+
+    public FruitAdapter(List<Fruit> fruitList) {
+        mFruitList = fruitList;
+    }
+
+    @Override
+    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        if (mContext == null) {
+            mContext = parent.getContext();
+        }
+        View view = LayoutInflater.from(mContext).inflate(R.layout.fruit_item, parent, false);
+        final ViewHolder holder = new ViewHolder(view);
+        holder.cardView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                int position = holder.getAdapterPosition();
+                Fruit fruit = mFruitList.get(position);
+                Intent intent = new Intent(mContext, FruitActivity.class);
+                intent.putExtra(FruitActivity.FRUIT_NAME, fruit.getName());
+                intent.putExtra(FruitActivity.FRUIT_IMAGE_ID, fruit.getImageId());
+                mContext.startActivity(intent);
+            }
+        });
+        return holder;
+    }
+
+    @Override
+    public void onBindViewHolder(ViewHolder holder, int position) {
+        Fruit fruit = mFruitList.get(position);
+        holder.fruitName.setText(fruit.getName());
+        Glide.with(mContext).load(fruit.getImageId()).into(holder.fruitImage);
+    }
+
+    @Override
+    public int getItemCount() {
+        return mFruitList.size();
+    }
+
+}