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InstiApp
Commit 900c4c4e authored by Varun Patil's avatar Varun Patil
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Add basic QR scanning

parent c6381041
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Showing with 131 additions and 2 deletions
app/build.gradle
View file @ 900c4c4e
......@@ -26,7 +26,8 @@ android {
ext {
androidxVersion = '1.0.0'
playServicesVersion = '16.0.0'
playServicesVersion = '17.0.0'
playServicesVisionVersion = '18.0.0'
retrofitVersion = '2.3.0'
okhttpVersion = '3.14.0'
picassoVersion = '2.71828'
......@@ -53,6 +54,7 @@ dependencies {
implementation "com.google.android.gms:play-services-maps:${playServicesVersion}"
implementation "com.google.android.gms:play-services-location:${playServicesVersion}"
implementation "com.google.android.gms:play-services-places:${playServicesVersion}"
implementation "com.google.android.gms:play-services-vision:${playServicesVisionVersion}"
implementation "com.squareup.retrofit2:retrofit:${retrofitVersion}"
implementation "com.squareup.retrofit2:converter-gson:${retrofitVersion}"
implementation "com.squareup.okhttp3:okhttp:${okhttpVersion}"
......
app/src/main/AndroidManifest.xml
View file @ 900c4c4e
......@@ -9,6 +9,8 @@
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.CAMERA" />
<uses-feature android:name="android.hardware.camera" />
<application
android:allowBackup="true"
......@@ -120,6 +122,10 @@
android:name="com.google.firebase.messaging.default_notification_channel_id"
android:value="@string/default_notification_channel_id" />
<meta-data
android:name="com.google.android.gms.vision.DEPENDENCIES"
android:value="barcode" />
</application>
</manifest>
\ No newline at end of file
app/src/main/java/app/insti/fragment/WebViewFragment.java
View file @ 900c4c4e
package app.insti.fragment;
import android.Manifest;
import android.app.ProgressDialog;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.text.TextUtils;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.SurfaceView;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.CookieManager;
......@@ -25,9 +30,14 @@ import android.widget.Toast;
import androidx.appcompat.widget.SearchView;
import androidx.appcompat.widget.Toolbar;
import androidx.core.app.ActivityCompat;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;
import com.google.android.gms.vision.CameraSource;
import com.google.android.gms.vision.Detector;
import com.google.android.gms.vision.MultiProcessor;
import com.google.android.gms.vision.Tracker;
import com.google.gson.Gson;
import app.insti.Constants;
......@@ -42,6 +52,12 @@ import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import com.google.android.gms.vision.Frame;
import com.google.android.gms.vision.barcode.Barcode;
import com.google.android.gms.vision.barcode.BarcodeDetector;
import java.io.IOException;
public class WebViewFragment extends BaseFragment {
public ValueCallback<Uri[]> uploadMessage;
......@@ -53,6 +69,7 @@ public class WebViewFragment extends BaseFragment {
}
private final String host = "insti.app";
private CameraSource mCameraSource;
public WebViewFragment withDate(String date) {
query += "&date=" + date;
......@@ -115,6 +132,24 @@ public class WebViewFragment extends BaseFragment {
super.onStart();
}
@Override
public void onPause() {
if (mCameraSource != null) {
SurfaceView surfaceView = getView().findViewById(R.id.qr_camera_surfaceview);
mCameraSource.stop();
surfaceView.setVisibility(View.GONE);
}
super.onPause();
}
@Override
public void onStop() {
if (mCameraSource != null) {
mCameraSource.release();
}
super.onStop();
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
......@@ -183,6 +218,18 @@ public class WebViewFragment extends BaseFragment {
return view;
}
private boolean isValidQR(String code) {
return code.startsWith("https://" + host);
}
private void handleQR(String code) {
if (getView() == null || getActivity() == null) return;
WebView webView = getView().findViewById(R.id.add_event_webview);
code += code.contains("?") ? "&" : "?";
webView.loadUrl(code + "sandbox=true");
}
private void setTitle(String title) {
Toolbar toolbar = getActivity().findViewById(R.id.toolbar);
if (toolbar != null) {
......@@ -194,6 +241,29 @@ public class WebViewFragment extends BaseFragment {
setHasOptionsMenu(true);
}
class BarcodeTrackerFactory implements MultiProcessor.Factory<Barcode> {
@Override
public Tracker<Barcode> create(Barcode barcode) {
return new MyBarcodeTracker();
}
}
class MyBarcodeTracker extends Tracker<Barcode> {
@Override
public void onUpdate(Detector.Detections<Barcode> detectionResults, Barcode barcode) {
if (isValidQR(barcode.displayValue)) {
getActivity().runOnUiThread(new Runnable() {
public void run() {
mCameraSource.stop();
SurfaceView surfaceView = getView().findViewById(R.id.qr_camera_surfaceview);
surfaceView.setVisibility(View.GONE);
handleQR(barcode.displayValue);
}
});
}
}
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.qr_scan_menu, menu);
......@@ -201,7 +271,52 @@ public class WebViewFragment extends BaseFragment {
item.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem menuItem) {
Toast.makeText(getContext(), "Scan QRs to get achievements!", Toast.LENGTH_LONG).show();
BarcodeDetector barcodeDetector = new BarcodeDetector.Builder(getContext())
.setBarcodeFormats(256).build();
BarcodeTrackerFactory barcodeFactory = new BarcodeTrackerFactory();
barcodeDetector.setProcessor(
new MultiProcessor.Builder<>(barcodeFactory).build());
mCameraSource = new CameraSource.Builder(getContext(), barcodeDetector)
.setFacing(CameraSource.CAMERA_FACING_BACK)
.setRequestedPreviewSize(720, 1280)
.setAutoFocusEnabled(true)
.build();
SurfaceView surfaceView = getView().findViewById(R.id.qr_camera_surfaceview);
if (surfaceView == null) {
return false;
}
if (ActivityCompat.checkSelfPermission(
getActivity().getApplicationContext(), Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
Toast.makeText(getContext(), "Please grant camera permission!", Toast.LENGTH_SHORT).show();
ActivityCompat.requestPermissions(getActivity(),
new String[]{Manifest.permission.CAMERA}, 787);
return false;
}
surfaceView.setVisibility(View.VISIBLE);
/* Give surface view time to become visible */
final Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
if (ActivityCompat.checkSelfPermission(
getActivity().getApplicationContext(), Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
return;
}
try {
mCameraSource.start(surfaceView.getHolder());
} catch (IOException ignored) {
surfaceView.setVisibility(View.GONE);
}
}
}, 500);
return false;
}
});
......
app/src/main/res/layout/fragment_webview.xml
View file @ 900c4c4e
......@@ -5,6 +5,12 @@
android:orientation="vertical"
tools:context="app.insti.fragment.WebViewFragment">
<SurfaceView
android:id="@+id/qr_camera_surfaceview"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:visibility="gone" />
<WebView
android:id="@+id/add_event_webview"
android:layout_width="match_parent"
......
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