Bottom dialog select phooto

DialogChoosePhotoMethodFragment.java

package com.piing.fragment.dialog;

import android.app.Dialog;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;

import com.piing.R;

import butterknife.ButterKnife;
import butterknife.OnClick;

/**
 * Created by Thach.Vo on 7/23/2015.
 */
public class DialogChoosePhotoMethodFragment extends DialogFragment {
    private IChoosePhotoMethodCallback mCallback;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        requestLayoutDialog();
        View view = inflater.inflate(getLayoutId(), null);
        ButterKnife.bind(this, view);
        return view;
    }

    @Override
    public void onDestroyView() {
        super.onDestroyView();
        ButterKnife.unbind(this);
    }

    private void requestLayoutDialog() {
        getDialog().getWindow().setGravity(Gravity.BOTTOM);
        getDialog().getWindow().requestFeature(Window.FEATURE_NO_TITLE);
        getDialog().requestWindowFeature(Window.FEATURE_NO_TITLE);
        getDialog().getWindow().setBackgroundDrawable(new ColorDrawable(android.graphics.Color.TRANSPARENT));
    }

    private int getLayoutId() {
        return R.layout.fragment_dialog_choose_photo_method;
    }

    @Override
    public void onStart() {
        super.onStart();
        Dialog dialog = getDialog();
        if (dialog != null) {
            int width = ViewGroup.LayoutParams.MATCH_PARENT;
            int height = ViewGroup.LayoutParams.WRAP_CONTENT;
            dialog.getWindow().setLayout(width, height);
            getDialog().getWindow().setWindowAnimations(R.style.bottom_sheet_dialog_anim);
        }
    }

    @OnClick(R.id.tv_1)
    public void onChooseCamera() {
        if (mCallback != null) {
            mCallback.onChooseCamera();
        }
        dismiss();
    }

    @OnClick(R.id.tv_2)
    public void onChooseGallery() {
        if (mCallback != null) {
            mCallback.onChooseGallery();
        }
        dismiss();
    }

    @OnClick(R.id.tv_3)
    public void onCancelButtonClicked() {
        dismiss();
    }

    public void setCallback(IChoosePhotoMethodCallback callback) {
        this.mCallback = callback;
    }

    public interface IChoosePhotoMethodCallback {
        void onChooseGallery();

        void onChooseCamera();
    }
}