WIP: feat: Show my QR code (#5)

feat: Show my QR code

Author: jorge-sanz

.idea/misc.xml

@@ -49,4 +49,7 @@ dependencies {
 
     // Test helpers for Room
     testImplementation "android.arch.persistence.room:testing:1.0.0"
+
+    //QR generation
+    compile 'com.journeyapps:zxing-android-embedded:3.5.0'
 }

app/build.gradle

@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.aros.naufal.qrreader">
 
+    <uses-permission android:name="android.permission.CAMERA" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
@@ -16,7 +18,7 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity android:name=".ui.activities.ShowQRActivity"></activity>
     </application>
-    <uses-permission android:name="android.permission.CAMERA" />
 
 </manifest>

app/src/main/AndroidManifest.xml

@@ -25,6 +25,7 @@ public LiveData<List<Card>> getAllCards() {
         return mAllCards;
     }
 
+
     public void insert(Card card) {
         new insertAsyncTask(mCardDao).execute(card);
     }

app/src/main/java/com/aros/naufal/qrreader/data/CardRepository.java

@@ -20,4 +20,5 @@ public Card(String name) {
     public String getName() {
         return this.name;
     }
+
 }

app/src/main/java/com/aros/naufal/qrreader/data/database/entities/Card.java

@@ -3,6 +3,7 @@
 import android.arch.lifecycle.Observer;
 import android.arch.lifecycle.ViewModelProviders;
 import android.content.DialogInterface;
+import android.content.Intent;
 import android.support.annotation.Nullable;
 import android.support.design.internal.NavigationMenu;
 import android.support.v7.app.AlertDialog;
@@ -12,6 +13,7 @@
 import android.support.v7.widget.RecyclerView;
 import android.util.Log;
 import android.view.MenuItem;
+import android.view.View;
 import android.widget.Toast;
 
 import com.aros.naufal.qrreader.R;
@@ -58,6 +60,10 @@ public boolean onMenuItemSelected(MenuItem menuItem) {
                     mScannerView.startCamera();
                 }
 
+                if (menuItem.getTitle().equals("Show my QR")) {
+                    clickBtnGenerateQR(findViewById(android.R.id.content));
+                    return true;
+                }
                 Toast.makeText(MainActivity.this, "" + menuItem.getTitle(), Toast.LENGTH_SHORT).show();
                 return true;
             }
@@ -106,4 +112,12 @@ public void handleResult(final Result result) {
         finish();
         startActivity(getIntent());
     }
+
+    public void clickBtnGenerateQR(View v) {
+        Intent intent = new Intent(MainActivity.this, ShowQRActivity.class);
+        Bundle b = new Bundle();
+        b.putString("TEXT", "Joaquín Adiego");
+        intent.putExtras(b);
+        startActivity(intent);
+    }
 }

app/src/main/java/com/aros/naufal/qrreader/ui/activities/MainActivity.java

@@ -0,0 +1,42 @@
+package com.aros.naufal.qrreader.ui.activities;
+
+import android.content.Intent;
+import android.graphics.Bitmap;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.aros.naufal.qrreader.R;
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.MultiFormatWriter;
+import com.google.zxing.WriterException;
+import com.google.zxing.common.BitMatrix;
+import com.journeyapps.barcodescanner.BarcodeEncoder;
+
+public class ShowQRActivity extends AppCompatActivity {
+
+    private TextView txtSend;
+    ImageView qrCode;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_show_qr);
+        txtSend = (TextView) findViewById(R.id.TxtRead);
+        Bundle bundle = this.getIntent().getExtras();
+        String textToQr = bundle.getString("TEXT");
+        qrCode = (ImageView) findViewById(R.id.imageQRcode);
+        int width = getWindowManager().getDefaultDisplay().getWidth();
+        MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
+
+        try {
+            BitMatrix bitMatrix = multiFormatWriter.encode(textToQr, BarcodeFormat.QR_CODE, width, width);
+            BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
+            Bitmap bitmap = barcodeEncoder.createBitmap(bitMatrix);
+            qrCode.setImageBitmap(bitmap);
+        } catch (WriterException e) {
+            e.printStackTrace();
+        }
+    }
+}

app/src/main/java/com/aros/naufal/qrreader/ui/activities/ShowQRActivity.java

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context="com.aros.naufal.qrreader.ui.activities.ShowQRActivity">
+
+    <TextView
+        android:id="@+id/TxtRead"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="" />
+
+    <ImageView
+        android:id="@+id/imageQRcode"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content" />
+
+</LinearLayout>

app/src/main/res/layout/activity_show_qr.xml

@@ -5,14 +5,13 @@
         android:id="@+id/show_qr"
         android:icon="@drawable/ic_show_qr"
         android:iconTint="@android:color/white"
-        android:title="Show my QR"
-        />
+        android:title="Show my QR" />
+    />
 
     <item
         android:id="@+id/capture_qr"
         android:icon="@drawable/ic_capture_qr"
         android:iconTint="@android:color/white"
-        android:title="Capture QR"
-        />
+        android:title="Capture QR" />
 
 </menu>