siebenhaarmi76624/MDT5_1_Ueberwachungssystem_G1
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Added camera access permission

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This commit is contained in:
BepsiKohler 2023-05-11 20:58:01 +02:00
parent 065acefeb9
commit d83cd3dc32
4 changed files with 83 additions and 2 deletions
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3
app/src/main/AndroidManifest.xml
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@ -2,6 +2,9 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools">
<uses-feature android:name="android.hardware.camera"/>
<uses-permission android:name="android.permission.CAMERA"/>
<application
android:allowBackup="true"
android:dataExtractionRules="@xml/data_extraction_rules"

59
app/src/main/java/com/example/ueberwachungssystem/MainActivity.java
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@ -1,14 +1,73 @@
package com.example.ueberwachungssystem;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import android.Manifest;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
private static final int CAMERA_PERMISSION_REQUEST_CODE = 101;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button B1 = findViewById(R.id.B1);
B1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
getCameraAccess();
}
});
}
private boolean isCameraAccessAllowed() {
return ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED;
}
private void getCameraAccess() {
if (!isCameraAccessAllowed())
ActivityCompat.requestPermissions(this, new String[]{android.Manifest.permission.CAMERA}, CAMERA_PERMISSION_REQUEST_CODE);
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == CAMERA_PERMISSION_REQUEST_CODE && grantResults.length > 0) {
boolean cameraRights = grantResults[0] == PackageManager.PERMISSION_GRANTED;
if (cameraRights) {
Toast.makeText(this, "camera permission granted", Toast.LENGTH_LONG).show();
} else {
Toast.makeText(this, "camera permission denied", Toast.LENGTH_LONG).show();
}
}
}
private void showDialogue(String message) {
new AlertDialog.Builder(this)
.setMessage(message)
.setPositiveButton("OK", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
requestPermissions(new String[] {Manifest.permission.CAMERA}, CAMERA_PERMISSION_REQUEST_CODE);
}
})
.setNegativeButton("Cancel", null)
.create()
.show();
}
}

8
app/src/main/java/com/example/ueberwachungssystem/VideoDetection.java Normal file
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@ -0,0 +1,8 @@
package com.example.ueberwachungssystem;
public class VideoDetection {
}

15
app/src/main/res/layout/activity_main.xml
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@ -1,9 +1,12 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
<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"
android:layout_gravity="center"
android:gravity="center"
android:orientation="vertical"
tools:context=".MainActivity">
<TextView
@ -15,4 +18,12 @@
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
<Button
android:id="@+id/B1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button"
tools:layout_editor_absoluteX="156dp"
tools:layout_editor_absoluteY="189dp" />
</LinearLayout>