I'm trying to launch the camera in a new activity but whenever I press the button to open the camera, my app keeps crashing. If I create a separate app to launch the camera and take a picture, it works fine. I'm clueless as to what I am doing wrong. Any advice is appreciated.
Activity for launching camera and taking a picture.
package com.gadget.gadgetboxv3
import android.app.Activity
import android.content.Intent
import android.graphics.Bitmap
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.provider.MediaStore
import android.widget.Button
import android.widget.ImageView
import android.widget.Toast
private const val REQUEST_CODE = 42
class CaptureImage : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_capture_image)
val button = findViewById<Button>(R.id.btnTakePicture)
button.setOnClickListener()
{
val takePictureIntent = Intent(MediaStore.ACTION_IMAGE_CAPTURE)
if(takePictureIntent.resolveActivity(this.packageManager)!=null)
{
startActivity(takePictureIntent)
}
else
{
Toast.makeText(applicationContext, "Unable To Open Camera", Toast.LENGTH_SHORT).show()
}
}
}
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?)
{
val view = findViewById<ImageView>(R.id.imageView)
if(requestCode == REQUEST_CODE && resultCode == Activity.RESULT_OK)
{
val takenImage = data?.extras?.get("data") as Bitmap
view.setImageBitmap(takenImage)
}
else
{
super.onActivityResult(requestCode, resultCode, data)
}
}
}
Layout file for CaptureImage
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".MainActivity">
<Button
android:id="@ id/btnTakePicture"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:layout_marginTop="16dp"
android:text="Take Picture"
/>
<ImageView
android:id="@ id/imageView"
android:layout_width="match_parent"
android:layout_height="600dp"
android:layout_marginTop="16dp"
android:src="@mipmap/ic_launcher"
/>
</LinearLayout>
Manifest for the entire app
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.gadget.gadgetboxv3">
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.CAMERA" />
<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/Theme.GadgetBoxV3">
<activity
android:name=".CaptureImage"
android:exported="false"
android:label="CaptureImage"
android:parentActivityName=".MainActivity"
android:theme="@style/Theme.GadgetBoxV3" />
<activity
android:name=".DisplayImage"
android:exported="false"
android:label="@string/title_activity_display_image"
android:parentActivityName=".MainActivity"
android:theme="@style/Theme.GadgetBoxV3" />
<activity
android:name=".MainActivity"
android:exported="true">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
Function I am using to open the CaptureImage activity
//Function call to navigate to the capture image screen activity
capture_image.setOnClickListener {
//Creating an intent to navigate to the other screen
val intent: Intent = Intent(this, CaptureImage::class.java)
//Navigating to the other screen on function call
startActivity(intent)
}
Logcat
2022-03-21 03:22:20.577 742-742/? E/Zygote: isWhitelistProcess - Process is Whitelisted
2022-03-21 03:22:20.578 742-742/? E/Zygote: accessInfo : 1
2022-03-21 03:22:20.618 742-742/? E/get.gadgetboxv: Unknown bits set in runtime_flags: 0x8000
2022-03-21 03:22:21.182 742-742/com.gadget.gadgetboxv3 E/OpenCV/StaticHelper: OpenCV error: Cannot load info library for OpenCV
2022-03-21 03:22:21.202 742-742/com.gadget.gadgetboxv3 E/OpenCV/StaticHelper: OpenCV error: Cannot load info library for OpenCV
2022-03-21 03:22:40.800 742-742/com.gadget.gadgetboxv3 E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.gadget.gadgetboxv3, PID: 742
java.lang.SecurityException: Permission Denial: starting Intent { act=android.media.action.IMAGE_CAPTURE cmp=com.sec.android.app.camera/.Camera } from ProcessRecord{974fb19 742:com.gadget.gadgetboxv3/u0a269} (pid=742, uid=10269) with revoked permission android.permission.CAMERA
at android.os.Parcel.createException(Parcel.java:2088)
at android.os.Parcel.readException(Parcel.java:2056)
at android.os.Parcel.readException(Parcel.java:2004)
at android.app.IActivityTaskManager$Stub$Proxy.startActivity(IActivityTaskManager.java:4454)
at android.app.Instrumentation.execStartActivity(Instrumentation.java:1716)
at android.app.Activity.startActivityForResult(Activity.java:5258)
at androidx.activity.ComponentActivity.startActivityForResult(ComponentActivity.java:597)
at android.app.Activity.startActivityForResult(Activity.java:5203)
at androidx.activity.ComponentActivity.startActivityForResult(ComponentActivity.java:583)
at android.app.Activity.startActivity(Activity.java:5587)
at android.app.Activity.startActivity(Activity.java:5555)
at com.gadget.gadgetboxv3.CaptureImage.onCreate$lambda-0(CaptureImage.kt:26)
at com.gadget.gadgetboxv3.CaptureImage.$r8$lambda$A3JJRk2duhFHwC-ZfpOzOx8lFhs(Unknown Source:0)
at com.gadget.gadgetboxv3.CaptureImage$$ExternalSyntheticLambda0.onClick(Unknown Source:2)
at android.view.View.performClick(View.java:7862)
at android.widget.TextView.performClick(TextView.java:15004)
at com.google.android.material.button.MaterialButton.performClick(MaterialButton.java:1199)
at android.view.View.performClickInternal(View.java:7831)
at android.view.View.access$3600(View.java:879)
at android.view.View$PerformClick.run(View.java:29359)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loop(Looper.java:237)
at android.app.ActivityThread.main(ActivityThread.java:8167)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:496)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1100)
Caused by: android.os.RemoteException: Remote stack trace:
at com.android.server.wm.ActivityStackSupervisor.checkStartAnyActivityPermission(ActivityStackSupervisor.java:1447)
at com.android.server.wm.ActivityStarter.startActivity(ActivityStarter.java:980)
at com.android.server.wm.ActivityStarter.startActivity(ActivityStarter.java:732)
at com.android.server.wm.ActivityStarter.startActivityMayWait(ActivityStarter.java:2074)
at com.android.server.wm.ActivityStarter.execute(ActivityStarter.java:646)
CodePudding user response：
you are occuring java.lang.SecurityException: Permission Denial ... with revoked permission android.permission.CAMERA - your app don't have camera access permission
use runtime permissions for acquire
CodePudding user response：
Problem : In Your Code You don't check permission for accessing camera intent So that's why your App crash.
Answer : Try to add below code:
private static final int MY_CAMERA_REQUEST_CODE = 100;
@RequiresApi(api = Build.VERSION_CODES.M)
if (checkSelfPermission(Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
requestPermissions(new String[]{Manifest.permission.CAMERA}, MY_CAMERA_REQUEST_CODE);
}
On onCreate Function and this following code:
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == MY_CAMERA_REQUEST_CODE) {
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
Toast.makeText(this, "camera permission granted", Toast.LENGTH_LONG).show();
} else {
Toast.makeText(this, "camera permission denied", Toast.LENGTH_LONG).show();
}
}
}