Android Select Image From Camera And Gallery Example

1. Manifest.xml
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>

Note: 
Don't Add <uses-permission android:name="android.permission.CAMERA"/> in manifest file


2. MainActivity.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:orientation="vertical"
    tools:context=".MainActivity">

    <ImageView
        android:layout_width="match_parent"
        android:layout_height="400dp"
        android:id="@+id/image"
        android:src="@mipmap/ic_launcher_round"/>

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="15dp">


        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Camera"
            android:id="@+id/btnCamera"/>

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Gallery"
            android:id="@+id/btnGallery"
            android:layout_alignParentRight="true"/>
    </RelativeLayout>



</LinearLayout>

3. MainActivity.java

public class MainActivity extends AppCompatActivity {

    ImageView image;
    Button btnCamera, btnGallery;
    private final int ImageCapture = 1, ImageGAllery = 2;

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

        image = (ImageView) findViewById(R.id.image);
        btnCamera = (Button) findViewById(R.id.btnCamera);
        btnGallery = (Button) findViewById(R.id.btnGallery);

        btnCamera.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                Intent intentCamera = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                if(intentCamera.resolveActivity(getPackageManager()) != null){
                    startActivityForResult(intentCamera, ImageCapture);
                }
            }
        });

        btnGallery.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intentGallery = new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
                intentGallery.setType("image/*");
                startActivityForResult(intentGallery, ImageGAllery);
            }
        });
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if(resultCode == RESULT_OK){
            if(requestCode == ImageCapture){
                Bitmap bitmap = (Bitmap) data.getExtras().get("data");
                image.setImageBitmap(bitmap);
            } else if(requestCode == ImageGAllery){
                Uri uri = data.getData();
                Bitmap bitmap = null;
                try {
                    bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), uri);
                    image.setImageBitmap(bitmap);
                } catch (Exception ex){
                    Toast.makeText(MainActivity.this, ex.getMessage(), Toast.LENGTH_LONG).show();
                }
            }
        }
    }
}