Example 034 (for API > 24)

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Create in res/layouts/activity_main.xml -->
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/btn_get_pic"
        android:text="@string/btn_get_pic_text"
        android:layout_alignParentTop="true" />

    <ImageView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/iv_view"
        android:layout_below="@+id/btn_get_pic"
        android:src="@drawable/ic_launcher_foreground"
        android:contentDescription="@string/iv_view_text"
        android:adjustViewBounds="true" />

</RelativeLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.example034">

    <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.Example034">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <provider
            android:authorities="${applicationId}.provider"
            android:name="androidx.core.content.FileProvider"
            android:exported="false"
            android:grantUriPermissions="true">

            <meta-data
                android:name="android.support.FILE_PROVIDER_PATHS"
                android:resource="@xml/provider_paths" />

        </provider>
    </application>
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
</manifest>

MainActivity.java

package com.example.example034;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.content.FileProvider;

import android.annotation.SuppressLint;
import android.content.ContentResolver;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;

public class MainActivity extends AppCompatActivity {

    private Button btn_get_pic;
    private ImageView iv_view;
    private Uri uri_new_image;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        btn_get_pic = findViewById(R.id.btn_get_pic);
        iv_view = findViewById(R.id.iv_view);

        btn_get_pic.setOnClickListener((View view)-> {
            // Launch intent for image capture
            Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");
            // Grant the intent READ permissions
            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
            // Create a new file to store the image
            File file_new = new File(MainActivity.this.getExternalFilesDir(null), "test.jpg");
            // For target SDK > 24 we need to use FileProvider class to access file or folder and make then available
            // After adding provider tag to application tag in manifest, use FileProvider.getUriForFile
            uri_new_image = FileProvider.getUriForFile(this, this.getApplicationContext().getPackageName() + ".provider", file_new);
            // Add extended data for the intent (in this case the URI for the file (content://)
            intent.putExtra(MediaStore.EXTRA_OUTPUT, uri_new_image);
            // Start th intent, with code 100 (UID)
            startActivityForResult(intent, 100);
        });
    }

    @SuppressLint("LongLogTag")
    @Override
    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
        super.onActivityResult(requestCode, resultCode, data);

        // When returning to this activity, handle the requestCode
        if (requestCode != 100 || resultCode != RESULT_OK) return;
        Log.v("MainActivity::onActivityResult", uri_new_image.toString());
        // Using the uri_new_image Uri object decode this into a bitmap, and add to container
        Bitmap image = decodeImageFile();
        if (image == null) {
            Log.d("MainActivity::onActivityResult", "failed to load image");
            return;
        }
        iv_view.setImageBitmap(image);
    }

    /**
     * Decodes the uri_file_new attribute into a Bitmap
     * @return Bitmap
     */
    private Bitmap decodeImageFile() {
        Bitmap image = null;
        // Provides access to the content model
        ContentResolver content_resolver = getContentResolver();
        try {
            // Open an input stream using the new image URI
            InputStream input_stream = content_resolver.openInputStream(uri_new_image);
            // Decode the stream into an image
            image = BitmapFactory.decodeStream(input_stream);
            // Close the stream
            input_stream.close();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            return image;
        }
    }
}

proivder_paths.xml

<?xml version="1.0" encoding="utf-8"?>
<paths>
    <!-- Create in res/xml/proivder_paths.xml -->
    <external-path name="external_files" path="." />
</paths>

strings.xml

<!-- Create in res/values/strings.xml -->
<resources>
    <string name="app_name">example034</string>
    <string name="btn_get_pic_text">Take a picture</string>
    <string name="iv_view_text">Picture taken by camera</string>
</resources>