android codecamp workshop initial commit:

.gitignore

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

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion "25.0.2"
+    defaultConfig {
+        applicationId "com.example.chishingwan.myapplication"
+        minSdkVersion 19
+        targetSdkVersion 25
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    })
+    compile 'com.android.support:appcompat-v7:25.3.1'
+    compile 'com.android.support:recyclerview-v7:25.3.1'
+    compile 'com.android.support.constraint:constraint-layout:1.0.2'
+    testCompile 'junit:junit:4.12'
+}

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:\SDKfiles/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 *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/com/example/chishingwan/myapplication/ExampleInstrumentedTest.java

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+package com.example.chishingwan.myapplication;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumentation test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.example.chishingwan.myapplication", appContext.getPackageName());
+    }
+}

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.chishingwan.myapplication">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <!--Must declare to Manifest-->
+
+        <activity android:name=".WelcomeActivity"
+            android:theme="@style/AppTheme"
+            android:label="Henlo Beautiful"/>
+
+    </application>
+
+</manifest>

app/src/main/java/com/example/chishingwan/myapplication/FirstFragment.java

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+package com.example.chishingwan.myapplication;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+/**
+ * Created by Chi Shing Wan on 5/13/2017.
+ */
+
+public class FirstFragment extends Fragment {
+
+    Button btLogin;
+    EditText etName;
+
+    @Nullable
+    @Override
+    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_first, container, false);
+        bindViews(view);
+        return view;
+    }
+
+    private void bindViews(View view) {
+        btLogin = (Button) view.findViewById(R.id.bt_login);
+        btLogin.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getContext(), WelcomeActivity.class);
+                String name = etName.getText().toString();
+                intent.putExtra("Name", name);
+                startActivity(intent);
+            }
+        });
+
+        etName = (EditText) view.findViewById(R.id.et_name);
+    }
+}

app/src/main/java/com/example/chishingwan/myapplication/MainActivity.java

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+package com.example.chishingwan.myapplication;
+
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentTransaction;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.FrameLayout;
+
+public class MainActivity extends AppCompatActivity {
+
+    Button btLogin;
+    Button btRegister;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        loadViews();
+        loadFragment();
+    }
+
+    private void loadViews() {
+        btLogin = (Button) findViewById(R.id.bt_login);
+        btRegister = (Button) findViewById(R.id.bt_register);
+        btLogin.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                loadFragment();
+            }
+        });
+        btRegister.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                loadRegister();
+            }
+        });
+    }
+
+    private void loadFragment() {
+        FirstFragment firstFragment = new FirstFragment();
+
+        FragmentManager fm = getSupportFragmentManager();
+        FragmentTransaction transaction = fm.beginTransaction();
+        transaction.replace(R.id.container, firstFragment);
+        transaction.commit();
+    }
+
+    private void loadRegister() {
+        SecondFragment secondFragment = new SecondFragment();
+        FragmentManager fm = getSupportFragmentManager();
+        FragmentTransaction transaction = fm.beginTransaction();
+        transaction.replace(R.id.container, secondFragment);
+        transaction.commit();
+    }
+}

app/src/main/java/com/example/chishingwan/myapplication/SecondFragment.java

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+package com.example.chishingwan.myapplication;
+
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+/**
+ * Created by Chi Shing Wan on 5/13/2017.
+ */
+
+public class SecondFragment extends Fragment {
+    @Nullable
+    @Override
+    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_second, container, false);
+        //TODO: Proceed to WelcomeActivity upon registering. Display
+        return view;
+    }
+}

app/src/main/java/com/example/chishingwan/myapplication/ShoppingListAdapter.java

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+package com.example.chishingwan.myapplication;
+
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+
+/**
+ * Created by Chi Shing Wan on 5/13/2017.
+ */
+
+public class ShoppingListAdapter extends RecyclerView.Adapter<ShoppingListAdapter.ShoppingListViewHolder> {
+
+    ArrayList<ShoppingListItem> list;
+
+    public ShoppingListAdapter() {
+        list = new ArrayList<>();
+        populateList();
+    }
+
+    private void populateList() {
+        ShoppingListItem item1 = new ShoppingListItem();
+        item1.setName("Raisins");
+        item1.setQty(1);
+        item1.setPrice(45.00);
+        list.add(item1);
+
+        ShoppingListItem item2 = new ShoppingListItem();
+        item2.setName("Flour");
+        item2.setQty(2);
+        item2.setPrice(37.00);
+        list.add(item2);
+
+        ShoppingListItem item3 = new ShoppingListItem();
+        item3.setName("The Elder Scrolls V Skyrim");
+        item3.setQty(1);
+        item3.setPrice(999.00);
+        list.add(item3);
+    }
+
+    @Override
+    public ShoppingListViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_shopping, parent, false);
+        return new ShoppingListViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(ShoppingListViewHolder holder, int position) {
+        holder.itemName.setText(list.get(position).getName());
+        holder.itemPrice.setText("Php " + list.get(position).getPrice());
+        holder.itemQty.setText("" + list.get(position).getQty());
+    }
+
+    @Override
+    public int getItemCount() {
+        return list.size();
+    }
+
+    protected class ShoppingListViewHolder extends RecyclerView.ViewHolder {
+        TextView itemName;
+        TextView itemQty;
+        TextView itemPrice;
+        public ShoppingListViewHolder(View itemView) {
+            super(itemView);
+            itemName = (TextView) itemView.findViewById(R.id.item_name);
+            itemQty = (TextView) itemView.findViewById(R.id.item_qty);
+            itemPrice = (TextView) itemView.findViewById(R.id.item_price);
+        }
+    }
+
+}

app/src/main/java/com/example/chishingwan/myapplication/ShoppingListItem.java

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+package com.example.chishingwan.myapplication;
+
+/**
+ * Created by Chi Shing Wan on 5/13/2017.
+ */
+public class ShoppingListItem {
+    private String name;
+    private double price;
+    private int qty;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public double getPrice() {
+        return price;
+    }
+
+    public void setPrice(double price) {
+        this.price = price;
+    }
+
+    public int getQty() {
+        return qty;
+    }
+
+    public void setQty(int qty) {
+        this.qty = qty;
+    }
+}