Android camera Application

This is android code for camera application

MainActivity.java

package com.example.hanu.owncamera;

import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Button;
import android.widget.ImageView;
import java.io.File;

public class MainActivity extends AppCompatActivity {
    Button button;
    ImageView Imgview;
    static final int CAMERA_REQUEST=1;

    @Override    

        protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        button = (Button) findViewById(R.id.btn);
        Imgview = (ImageView) findViewById(R.id.Imgview);
        button.setOnClickListener(new View.OnClickListener() {

            @Override            

               public void onClick(View view) {
               Intent camera_intent=new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                File file=get_file();
                camera_intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(file));
                startActivityForResult(camera_intent,CAMERA_REQUEST);
            }
        });

    }  //Create a folder where images are stored
    private File get_file() {
        File folder = new File("sdcard/camera_app");
        if (!folder.exists()) {
            folder.mkdir();
        }
        File image_file = new File(folder, "camera_image.jpg");
        return image_file;
        // return image_file;    }
    @Override    protected void onActivityResult(int requestcode, int resultcode ,Intent data)
    {
        String path="sdcard/camera_app/camera_image.jpg";
        Imgview.setImageDrawable(Drawable.createFromPath(path));
    }
}

content_main.xml

<?xml version="1.0" encoding="utf-8"?>

<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:paddingBottom="@dimen/activity_vertical_margin"    
android:paddingLeft="@dimen/activity_horizontal_margin"    
android:paddingRight="@dimen/activity_horizontal_margin"    
android:paddingTop="@dimen/activity_vertical_margin"    
android:orientation="vertical"    
app:layout_behavior="@string/appbar_scrolling_view_behavior"    
tools:context="com.example.hanu.owncamera.MainActivity"    
tools:showIn="@layout/activity_main">
<Button android:layout_width="200dp"        
android:layout_height="wrap_content"        
android:text="Capture Image"        
android:id="@+id/btn"        
android:layout_gravity="center_horizontal"/>
<ImageView android:layout_width="350dp"        
android:layout_height="300dp"        
android:id="@+id/Imgview"        
android:layout_gravity="center_horizontal"        
android:layout_marginTop="40dp"/>
</LinearLayout>
Add two lines in manifest file for permission and they are:
 <uses-feature android:name="android.hardware.camera2"/>
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
and full code of manifest is given below.

AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"    
package="com.example.hanu.owncamera">
    <uses-feature android:name="android.hardware.camera2"/>
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<application android:allowBackup="true"        
android:icon="@mipmap/ic_launcher"        
android:label="@string/app_name"        
android:supportsRtl="true"        
android:theme="@style/AppTheme">
<activity android:name=".MainActivity"            
android:label="@string/app_name"            
android:theme="@style/AppTheme.NoActionBar">
<intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
</manifest>

If you have any queries regarding this code .. comment us