camera.java

import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.graphics.Matrix;
import android.hardware.Camera;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.FrameLayout;
import android.widget.RelativeLayout;
import android.widget.TabHost;
import android.widget.Toast;

import com.google.android.material.tabs.TabLayout;
import com.sothree.slidinguppanel.ScrollableViewHelper;
import com.sothree.slidinguppanel.SlidingUpPanelLayout;
import com.theartofdev.edmodo.cropper.CropImageView;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Objects;

import androidx.appcompat.app.AppCompatActivity;
import androidx.core.widget.NestedScrollView;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.Observer;
import androidx.lifecycle.ViewModelProviders;
import androidx.recyclerview.widget.DefaultItemAnimator;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

public class camera extends Fragment {
    private Camera mCamera;
    View layout3;
    Button flashLight;
    Button flashLightOff;
    Boolean flashIsOn= false;
    public static final int MEDIA_TYPE_IMAGE = 1;
    public static final int MEDIA_TYPE_VIDEO = 2;
    RelativeLayout preview;
    static File mediaFile;
    private SharedViewModel model;
    String path;
    FrameLayout frame;
    CropImageView cropImageView;
    Button crop;
    public CameraPreview mPreview;
    TabLayout tabLayout;
    private RecyclerView my_recycler_view;
    private RecyclerView my_recycler_view_up;
    private RecyclerView.Adapter my_adapter;
    private RecyclerView.LayoutManager my_layout_manager;
    private RecyclerView.LayoutManager my_layout_manager_up;
    ArrayList<String> list = new ArrayList<String>();
    private SlidingUpPanelLayout slidingLayout;
    Button capture;
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState){
        //super.onCreate(savedInstanceState);
        layout3 = inflater.inflate(R.layout.camerafragment,container,false);
        mCamera=getCameraInstance();
        preview= (RelativeLayout) layout3.findViewById(R.id.camera_preview);
        startTrasanction();
        capture = (Button) layout3.findViewById(R.id.btnCamera);
        frame =(FrameLayout) layout3.findViewById(R.id.frame);
        cropImageView=(CropImageView) layout3.findViewById(R.id.cropImageView);
        crop = (Button) layout3.findViewById(R.id.btnCrop);
        crop.setVisibility(View.GONE);
        cropImageView.setVisibility(View.GONE);
        model = ViewModelProviders.of(getActivity()).get(SharedViewModel.class);
        my_recycler_view= (RecyclerView) layout3.findViewById(R.id.my_recycler_view);
        my_recycler_view_up= (RecyclerView) layout3.findViewById(R.id.my_recycler_view_up);
        my_layout_manager= new LinearLayoutManager(getActivity());
        my_layout_manager_up= new GridLayoutManager(getActivity(),3);
        ((LinearLayoutManager) my_layout_manager).setOrientation(LinearLayoutManager.HORIZONTAL);
        my_recycler_view.setLayoutManager(my_layout_manager);
        my_recycler_view_up.setLayoutManager(my_layout_manager_up);
        slidingLayout = (SlidingUpPanelLayout) layout3.findViewById(R.id.sliding_layout);

        //some "demo" event
        slidingLayout.addPanelSlideListener(new SlidingUpPanelLayout.PanelSlideListener() {
            @Override
            public void onPanelSlide(View panel, float slideOffset) {
                Log.d("Files", "onPanelSlide, offset " + slideOffset);
            }

            @Override
            public void onPanelStateChanged(View panel, SlidingUpPanelLayout.PanelState previousState, SlidingUpPanelLayout.PanelState newState) {
                Log.d("Files", "onPanelSlide, offset " + newState + "previous state"+ previousState);
                if(newState.equals(SlidingUpPanelLayout.PanelState.EXPANDED)){
                    my_recycler_view.setVisibility(View.GONE);
                    my_recycler_view_up.setVisibility(View.VISIBLE);
                }else{
                    my_recycler_view_up.setVisibility(View.GONE);
                    my_recycler_view.setVisibility(View.VISIBLE);

                }
            }


        });


        try {
            final String[] columns = {MediaStore.Images.Media.DATA, MediaStore.Images.Media._ID};
            final String orderBy = MediaStore.Images.Media._ID;
            //Stores all the images from the gallery in Cursor
            Cursor cursor = getActivity().getContentResolver().query(
                    MediaStore.Images.Media.EXTERNAL_CONTENT_URI, columns, null,
                    null, orderBy);
            //Total number of images
            int count = cursor.getCount();

            //Create an array to store path to all the images
            String[] arrPath = new String[count];

            for (int i = 0; i < count; i++) {
                cursor.moveToPosition(i);
                int dataColumnIndex = cursor.getColumnIndex(MediaStore.Images.Media.DATA);
                //Store the path of the image
                arrPath[i] = cursor.getString(dataColumnIndex);
                list.add(arrPath[i]);
                Log.d("Files", arrPath[i]);
            }
            // The cursor should be freed up after use with close()
            cursor.close();
            my_adapter= new MyAdapter(list,getActivity());
            my_recycler_view.setItemAnimator(new DefaultItemAnimator());
            my_recycler_view_up.setItemAnimator(new DefaultItemAnimator());
            my_recycler_view.setAdapter(my_adapter);
            my_recycler_view_up.setAdapter(my_adapter);
        }catch(Exception e){
            Log.d("Files", e.getMessage());
        }
        capture.setOnClickListener(
                new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        // get an image from the camera
                        mCamera.takePicture(null, null, mPicture);


                        //releaseCamera();
                        //preview.removeAllViews();

                    }
                }

        );
        flashLight= (Button) layout3.findViewById(R.id.btnFlash);
        flashLightOff=(Button) layout3.findViewById(R.id.btnFlashIsOn);
        flashLightOff.setVisibility(View.GONE);
        flashLightOff.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(flashIsOn){
                    Camera.Parameters parameters = mCamera.getParameters();
                    parameters.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
                    mCamera.setParameters(parameters);
                    flashLight.setVisibility(View.VISIBLE);
                    flashLightOff.setVisibility(View.GONE);
                    flashIsOn = false;
                }
            }
        });
        flashLight.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(!flashIsOn) {
                    if (mCamera != null) {
                        Camera.Parameters parameters = mCamera.getParameters();
                        parameters.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
                        mCamera.setParameters(parameters);
                        flashLight.setVisibility(View.GONE);
                        flashLightOff.setVisibility(View.VISIBLE);
                        flashIsOn = true;

                    }
                }
            }
        });
        model.getImageName().observe(this, new Observer<String>() {
            @Override
            public void onChanged(String s) {
                Log.d("Files","here is what you need" + " "+ s);

                try{
                    slidingLayout.setPanelState(SlidingUpPanelLayout.PanelState.COLLAPSED);
                    mCamera.stopPreview();
                    mCamera.release();
                    mCamera=null;
                    preview.removeView(mPreview);
                    crop.setVisibility(View.VISIBLE);
                    flashLight.setVisibility(View.GONE);
                    capture.setVisibility(View.GONE);
                }catch (Exception d){
                    Log.d("Files",d.getMessage());
                }
                showCropper(s);
            }
        });
        return layout3;

    }