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

feat: Show my QR code

app/build.gradle

@@ -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/src/main/AndroidManifest.xml

@@ -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/java/com/aros/naufal/qrreader/data/CardRepository.java

@@ -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/database/entities/Card.java

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

app/src/main/java/com/aros/naufal/qrreader/ui/activities/MainActivity.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/ShowQRActivity.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/res/layout/activity_show_qr.xml

@@ -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/menu/main_menu.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>