activity_camera

<uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

<uses-feature
        android:name="android.hardware.camera"
        android:required="false" />




private void CheckPermission() {
        if ((ActivityCompat.checkSelfPermission(activity, Manifest.permission.READ_PHONE_STATE) != PackageManager.PERMISSION_GRANTED) ||
                (ActivityCompat.checkSelfPermission(activity, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) ||
                (ActivityCompat.checkSelfPermission(activity, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) ||
                (ActivityCompat.checkSelfPermission(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED)) {
            ActivityCompat.requestPermissions(activity, new String[]{Manifest.permission.READ_PHONE_STATE, Manifest.permission.CAMERA,
                    Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE}, 0);
        }
    }




<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    android:orientation="vertical"
    tools:context=".CameraActivity">


    <ImageView
        android:id="@+id/imageView"
        android:layout_width="350dp"
        android:layout_height="250dp"
        android:layout_gravity="center|center_vertical"
        android:clickable="true"
        android:contentDescription="take image from camera"
        android:gravity="center|center_vertical"
        android:src="@drawable/ic_no_image_available" />


</LinearLayout>