DialogUtils 弹框的工具类

package com.mylibrary.utils;

import android.app.Dialog;
import android.content.Context;
import android.graphics.drawable.ColorDrawable;
import android.support.v4.content.ContextCompat;
import android.view.LayoutInflater;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.mylibrary.R;

import java.util.Timer;
import java.util.TimerTask;

/**
 * Created by geting on 2018/4/28.
 * 弹框的工具类
 */

/**
 * 使用此工具类的注意事项:
 *     须重写onDestory 方法 并在该方法中调用hideDialog() 方法
 */
public class DialogUtils {

    private static Dialog loadingDialog;
    
    public static  void showProgressDialog(Context context) {
        

	//解决连续创建的问题
	if (loadingDialog!=null){
           DialogUtils.hideDialog();
   	 timer.cancel();
		}

        LayoutInflater inflater = LayoutInflater.from(context);
        View v = inflater.inflate(R.layout.progress_dialog, null);// 得到加载view
        LinearLayout layout = (LinearLayout) v.findViewById(R.id.progress_dialog_view);// 加载布局
        TextView progressTv = (TextView) v.findViewById(R.id.progress_tv);// 提示文字

        // main.xml中的ImageView
        ImageView spaceshipImage = (ImageView) v.findViewById(R.id.progress_img);
        // 加载动画
        Animation hyperspaceJumpAnimation = AnimationUtils.loadAnimation(
                context, R.anim.dialog_show_animation);
        // 使用ImageView显示动画
        spaceshipImage.startAnimation(hyperspaceJumpAnimation);
        progressTv.setText("加载中...");// 设置加载信息
        progressTv.setTextColor(ContextCompat.getColor(context,R.color.white));
        loadingDialog = new Dialog(context, R.style.loading_dialog);// 创建自定义样式dialog
        loadingDialog.setCancelable(true);// 不可以用“返回键”取消
        loadingDialog.setContentView(layout, new LinearLayout.LayoutParams(
                LinearLayout.LayoutParams.MATCH_PARENT,
                LinearLayout.LayoutParams.MATCH_PARENT));// 设置布局
        loadingDialog.getWindow().setDimAmount(0);//设置昏暗度为0
        loadingDialog.getWindow().setBackgroundDrawable(new ColorDrawable(context.getResources().getColor(R.color.transparent)));
        loadingDialog.show();

    }
    public static void showAlertDialog(Context context,String str) {

        LayoutInflater inflater = LayoutInflater.from(context);
        View v = inflater.inflate(R.layout.alert_dialog_show, null);// 得到加载view
        LinearLayout layout = (LinearLayout) v.findViewById(R.id.alert_dialog_view);// 加载布局
        TextView progressTv = (TextView) v.findViewById(R.id.alert_tv);// 提示文字

        progressTv.setText(str);// 设置加载信息
        progressTv.setTextColor(ContextCompat.getColor(context,R.color.white));
        loadingDialog = new Dialog(context, R.style.loading_dialog);// 创建自定义样式dialog
        loadingDialog.setCancelable(true);// 不可以用“返回键”取消
        loadingDialog.setContentView(layout, new LinearLayout.LayoutParams(
                LinearLayout.LayoutParams.MATCH_PARENT,
                LinearLayout.LayoutParams.MATCH_PARENT));// 设置布局
        loadingDialog.getWindow().setDimAmount(0);//设置昏暗度为0
        loadingDialog.getWindow().setBackgroundDrawable(new ColorDrawable(context.getResources().getColor(R.color.transparent)));
        loadingDialog.show();
        //创建一个定时器--几秒之后消失
        Timer timer = new Timer();
        timer.schedule(new TimerTask() {
            @Override
            public void run() {
                if (loadingDialog != null) {
                    loadingDialog.dismiss();
                }
            }
        },2000);
    }
    public static void hideDialog() {
        if (loadingDialog != null) {
            loadingDialog.dismiss();
        }
    }
}

xml version="1.0" encoding="utf-8"?>
<set android:shareInterpolator="false" xmlns:android="http://schemas.android.com/apk/res/android">
    <rotate
        android:interpolator="@android:anim/linear_interpolator"
        android:pivotX="50%"
        android:pivotY="50%"
        android:fromDegrees="0"
        android:toDegrees="+360"
        android:duration="1500"
        android:startOffset="-1"
        android:repeatMode="restart"
        android:repeatCount="-1"/>
set>

xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <solid android:color="#FF454645" />
    <corners
        android:topLeftRadius="18px"
        android:topRightRadius="18px"
        android:bottomRightRadius="18px"
        android:bottomLeftRadius="18px"/>
shape>

xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/alert_dialog_view"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:gravity="center"
    android:minHeight="50dp"
    android:minWidth="100dp"
    android:background="@drawable/shape_progress"
    android:orientation="vertical"
    >

    <TextView
        android:id="@+id/alert_tv"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center" />
LinearLayout>

xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/progress_dialog_view"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:gravity="center"
    android:minHeight="100dp"
    android:minWidth="100dp"
    android:background="@drawable/shape_progress"
    android:orientation="vertical"
    >

    <ImageView
        android:id="@+id/progress_img"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@mipmap/icon_loading" />

    <TextView
        android:id="@+id/progress_tv"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginTop="12dp" />
LinearLayout>

<resources>

    
    <style name="loading_dialog" parent="android:style/Theme.Dialog">
        <item name="android:windowFrame">@nullitem>
        <item name="android:windowNoTitle">trueitem>
        <item name="android:windowBackground">@android:color/transparentitem>
        <item name="android:windowIsFloating">trueitem>
        <item name="android:windowContentOverlay">@nullitem>
    style>
resources>