自定义AlertDialog

自定义AlertDialog

先上效果图

这是我自定义的背景透明的,可全局使用的,有动画的AlertDialog

使用方法:

• 定义:loadingProgressDialog = new LoadingProgressDialog(this, “正在加载中…”, R.drawable.animation_loading);
• 显示:loadingProgressDialog.show();
• 隐藏:loadingProgressDialog.dismiss();

源码如下:

    public class LoadingProgressDialog extends AlertDialog {
        /**
         * 动画的资源文件
         */
        private int mResId;
        /**
         * 对话框的标题
         */
        private String mLoadingTitle;
        private Context mContext;
        /**
         * 显示图片
         */
        private ImageView mImage;
        /**
         * 显示标题
         */
        private TextView mContent;
        /**
         * 动画
         */
        private AnimationDrawable mAnimation;

        public LoadingProgressDialog(Context context) {
            super(context);
        }

        public LoadingProgressDialog(Context context, int theme) {
            super(context, theme);
        }

        public LoadingProgressDialog(@NonNull Context context, boolean cancelable, @Nullable
                OnCancelListener cancelListener) {
            super(context, cancelable, cancelListener);
        }

        /**
         * 构造方法
         *
         * @param context Context
         * @param content 标题
         * @param resId   动画资源
         */
        public LoadingProgressDialog(Context context, String content, int resId) {
            super(context,R.style.loadingDialog);
            this.mContext = context;
            this.mLoadingTitle = content;
            this.mResId = resId;
        }

        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);

            initView();
            initData();
        }

        private void initView() {
            setContentView(R.layout.layout_loading);
            mImage = (ImageView) findViewById(R.id.iv_loading);
            mContent = (TextView) findViewById(R.id.tv_loading);

            //点击其他地方不能取消
            setCanceledOnTouchOutside(false);

            //设置对话框的宽度为屏幕宽度的一般
            Window window = getWindow();
            if (window != null) {
                WindowManager.LayoutParams attributes = window.getAttributes();
                attributes.width = DevicesUtil.getDeviceWidth(mContext).widthPixels / 2;
                window.setAttributes(attributes);
            }
        }

        private void initData() {
            //设置图片的资源
            mImage.setBackgroundResource(mResId);
            //获取图片背景
            mAnimation = (AnimationDrawable) mImage.getBackground();
            mImage.post(new Runnable() {
                @Override
                public void run() {
                    mAnimation.start();
                }
            });
            //设置标题
            mContent.setText(mLoadingTitle);
        }
    }

自定义的步骤

1. 设置布局
2. 设置宽高
3. 设置控件上的内容
4. 设置图片的动画

附动画源码:

    <?xml version="1.0" encoding="utf-8"?>
    <animation-list xmlns:android="http://schemas.android.com/apk/res/android">

        <item android:drawable="@drawable/loading1"
              android:duration="100"/>
        <item android:drawable="@drawable/loading2"
              android:duration="100"/>
        <item android:drawable="@drawable/loading3"
              android:duration="100"/>
        <item android:drawable="@drawable/loading4"
              android:duration="100"/>

    </animation-list>