便捷的創建Dialog

便捷的創建Dialog

快速生成自定義彈窗
可鏈式
綁定activity/fragment生命週期

public abstract class BaseDialog<T, E> extends Dialog implements LifecycleObserver, LifecycleProvider<ActivityEvent> {

    protected Context context;
    protected Builder builder;
    protected T confirmBtnClickListener;
    private Unbinder unbinder;
    protected E cancelBtnClickListener;
    private final BehaviorSubject<ActivityEvent> mLifecycleSubject = BehaviorSubject.create();

    private BaseDialog(@NonNull Context context, Builder builder, @StyleRes int style) {
        super(context, style);
        this.context = context;
        this.builder = builder;
        if (context instanceof LifecycleOwner) {
            ((LifecycleOwner) context).getLifecycle().addObserver(this);
        }
    }

    public BaseDialog(@NonNull Context context, Builder builder) {
        this(context, builder, com.quanyou.baselibrary.R.style.DialogTheme_Base);
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //提前設置Dialog的一些樣式
        if (builder != null) {
            View inflate = LayoutInflater.from(context)
                    .inflate(CheckValueUtils.checkInteger(builder.layoutResId,
                            getClass().getSimpleName() + context.getString(com.quanyou.baselibrary.R.string.s_no_layout_id)), null);
            unbinder = ButterKnife.bind(this, inflate);
            setContentView(inflate);
            Window dialogWindow = getWindow();
            if (dialogWindow != null) {
                dialogWindow.setGravity(builder.gravity);//設置dialog顯示居中
                if (builder.animationStyle != null) {
                    dialogWindow.setWindowAnimations(builder.animationStyle);
                }
                WindowManager.LayoutParams attributes = dialogWindow.getAttributes();
                attributes.width = builder.with;
                attributes.height = builder.height;
                dialogWindow.setAttributes(attributes);
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                    dialogWindow.setStatusBarColor(Color.TRANSPARENT);
                }
            }
            setCancelable(builder.cancelable);
            setCanceledOnTouchOutside(builder.canceledOnTouchOutside);
            initView(inflate);
            initData();
        }
    }

    public abstract void initView(View inflate);

    public abstract void initData();

    public static class Builder {
        private int gravity = Gravity.CENTER;
        private @StyleRes
        Integer animationStyle = null;

        private int with = WindowManager.LayoutParams.WRAP_CONTENT;
        private int height = WindowManager.LayoutParams.WRAP_CONTENT;
        private boolean canceledOnTouchOutside = true;
        private boolean cancelable = true;
        private int layoutResId;

        public Builder() {
        }

        public Builder(int with, int height) {
            this.with = with;
            this.height = height;
        }

        public Builder setGravity(int gravity) {
            this.gravity = gravity;
            return this;
        }

        public Builder setAnimation(@StyleRes Integer animationStyle) {
            this.animationStyle = animationStyle;
            return this;
        }

        public Builder setCancelable(boolean cancelable) {
            this.cancelable = cancelable;
            return this;
        }

        public Builder setCanceledOnTouchOutside(boolean canceledOnTouchOutside) {
            this.canceledOnTouchOutside = canceledOnTouchOutside;
            return this;
        }

        public Builder setWith(int with) {
            this.with = with;
            return this;
        }

        public Builder setHeight(int height) {
            this.height = height;
            return this;
        }

        public Builder setLayoutResId(@LayoutRes int layoutResId) {
            this.layoutResId = layoutResId;
            return this;
        }

        public void destroy() {
        }
    }

    public BaseDialog setOnConfirmBtnClickListener(T listener) {
        confirmBtnClickListener = listener;
        return this;
    }

    public BaseDialog setOnCancelBtnClickListener(E listener) {
        cancelBtnClickListener = listener;
        return this;
    }

    @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)//和activity生命週期綁定後可用
    public void destroy() {
        confirmBtnClickListener = null;
        cancelBtnClickListener = null;
        if (context instanceof LifecycleOwner) {
            ((LifecycleOwner) context).getLifecycle().removeObserver(this);
            context = null;
        }
        if (unbinder != null && unbinder != Unbinder.EMPTY) {
            unbinder.unbind();
            unbinder = null;
        }
        if (builder != null) {
            builder.destroy();
            builder = null;
        }
        dismiss();
    }

    @NonNull
    @Override
    public Observable<ActivityEvent> lifecycle() {
        return mLifecycleSubject.hide();
    }

    @NonNull
    @Override
    public <P> LifecycleTransformer<P> bindUntilEvent(@NonNull ActivityEvent event) {
        return RxLifecycle.bindUntilEvent(mLifecycleSubject, event);
    }

    @NonNull
    @Override
    public <P> LifecycleTransformer<P> bindToLifecycle() {
        return RxLifecycleAndroid.bindActivity(mLifecycleSubject);
    }

    @Override
    public void dismiss() {
        mLifecycleSubject.onNext(ActivityEvent.DESTROY);
        super.dismiss();
    }

    @Override
    public void show() {
        super.show();
        mLifecycleSubject.onNext(ActivityEvent.CREATE);
    }
}

相關示例

仿支付寶密碼輸入彈窗:https://blog.csdn.net/TomCat0916/article/details/105776871