SweetAlertDialog.java

package com.yalantis.ucrop.dialog;


import android.app.Dialog;
import android.content.Context;
import android.os.Bundle;
import android.view.View;
import android.view.WindowManager;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.Transformation;
import android.widget.TextView;

import com.yalantis.ucrop.R;

public class SweetAlertDialog extends Dialog {
    private View mDialogView;
    private AnimationSet mModalInAnim;
    private AnimationSet mModalOutAnim;
    private Animation mOverlayOutAnim;
    private TextView mTitleTextView;
    private String mTitleText;
    private boolean mCloseFromCancel;
    public Context context;

    public SweetAlertDialog(Context context) {
        super(context, R.style.alert_dialog);
        this.context = context;
        setCancelable(true);
        setCanceledOnTouchOutside(false);
        mModalInAnim = (AnimationSet) OptAnimationLoader.loadAnimation(getContext(), R.anim.modal_in);
        mModalOutAnim = (AnimationSet) OptAnimationLoader.loadAnimation(getContext(), R.anim.modal_out);
        mModalOutAnim.setAnimationListener(new Animation.AnimationListener() {
            @Override
            public void onAnimationStart(Animation animation) {

            }

            @Override
            public void onAnimationEnd(Animation animation) {
                mDialogView.setVisibility(View.INVISIBLE);
                mDialogView.post(new Runnable() {
                    @Override
                    public void run() {
                        if (mCloseFromCancel) {
                            SweetAlertDialog.super.cancel();
                        } else {
                            SweetAlertDialog.super.dismiss();
                        }
                    }
                });
            }

            @Override
            public void onAnimationRepeat(Animation animation) {

            }
        });
        // dialog overlay fade out
        mOverlayOutAnim = new Animation() {
            @Override
            protected void applyTransformation(float interpolatedTime, Transformation t) {
                WindowManager.LayoutParams wlp = getWindow().getAttributes();
                wlp.alpha = 1 - interpolatedTime;
                getWindow().setAttributes(wlp);
            }
        };
        mOverlayOutAnim.setDuration(120);
    }


    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.picture_alert_dialog);

        mDialogView = getWindow().getDecorView().findViewById(android.R.id.content);
        mTitleTextView = (TextView) findViewById(R.id.title_text);
        setTitleText(mTitleText);
    }

    public String getTitleText() {
        return mTitleText;
    }

    public SweetAlertDialog setTitleText(String text) {
        mTitleText = text;
        if (mTitleTextView != null && mTitleText != null) {
            mTitleTextView.setText(mTitleText);
        }
        return this;
    }


    protected void onStart() {
        mDialogView.startAnimation(mModalInAnim);
    }

    /**
     * The real Dialog.cancel() will be invoked async-ly after the animation finishes.
     */
    @Override
    public void cancel() {
        dismissWithAnimation(true);
    }

    /**
     * The real Dialog.dismiss() will be invoked async-ly after the animation finishes.
     */
    public void dismissWithAnimation() {
        dismissWithAnimation(false);
    }

    private void dismissWithAnimation(boolean fromCancel) {
        mCloseFromCancel = fromCancel;
        mDialogView.startAnimation(mModalOutAnim);
        dismiss();
    }
}