loadingDialog

效果图片：

布局文件activity_main.xml代码(供应以下三个特效的按钮)：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center_horizontal"
    tools:context=".MainActivity">
    <Button
        android:id="@+id/btnTest1"
        android:text="测试1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"/>
    <Button
        android:id="@+id/btnTest2"
        android:text="测试2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

    <Button
        android:id="@+id/btnTest3"
        android:text="测试3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</LinearLayout>

效果1的代码（MainActivity的主页代码）：

package com.example.loading;

import androidx.appcompat.app.AppCompatActivity;

import android.app.Dialog;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity implements View.OnClickListener{
    private Handler mHandler = new Handler();
    private Button btnTest1,btnTest2,btnTest3;
    private ProgressDialog progressDialog; //测试1
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
        initProgerssDialog();
    }

    private void initView(){
        btnTest1 = (Button) findViewById(R.id.btnTest1);
        btnTest2 = (Button) findViewById(R.id.btnTest2);
        btnTest3 = (Button) findViewById(R.id.btnTest2);
        btnTest1.setOnClickListener(this);
        btnTest2.setOnClickListener(this);
        btnTest3.setOnClickListener(this);
    }

    @Override
    public void onClick(View view) {
        switch (view.getId()){
            case R.id.btnTest1:
                progressDialog.show(); //启动
                //耗时操作
                mHandler.postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        progressDialog.dismiss(); //关闭
                    }
                },2000); //耗时2秒
                break;
            case R.id.btnTest2:

                break;
            case R.id.btnTest3:
                
                break;
        }
    }

    //测试1的Dialog
    private void initProgerssDialog(){
        progressDialog = new ProgressDialog(MainActivity.this);
        progressDialog.setIndeterminate(false); //循环滚动
        progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
        progressDialog.setMessage("loading...");
        progressDialog.setCancelable(false); //false不能取消显示，true可以取消显示
    }
}

效果2的代码（MainActivity的主页代码）：

package com.example.loading;

import androidx.appcompat.app.AppCompatActivity;

import android.app.Dialog;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity implements View.OnClickListener{
    private Handler mHandler = new Handler();
    private Button btnTest1,btnTest2,btnTest3;
    private ProgressDialog progressDialog; //测试1
    private ProgressDialog dialog; //测试2
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
        initProgerssDialog();
        initProgerssDialog1();
    }

    private void initView(){
        btnTest1 = (Button) findViewById(R.id.btnTest1);
        btnTest2 = (Button) findViewById(R.id.btnTest2);
        btnTest3 = (Button) findViewById(R.id.btnTest2);
        btnTest1.setOnClickListener(this);
        btnTest2.setOnClickListener(this);
        btnTest3.setOnClickListener(this);
    }

    @Override
    public void onClick(View view) {
        switch (view.getId()){
            case R.id.btnTest1:
                progressDialog.show(); //启动
                //耗时操作
                mHandler.postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        progressDialog.dismiss(); //关闭
                    }
                },3000); //耗时2秒
                break;
            case R.id.btnTest2:
                dialog.show(); //启动
                dialog.setContentView(R.layout.view_progress); //自定义布局,注意，自定义布局要跟在show后面
                //耗时操作
                mHandler.postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        dialog.dismiss(); //关闭
                    }
                },3000); //耗时2秒
                break;
            case R.id.btnTest3:

                break;
        }
    }

    //测试1的Dialog
    private void initProgerssDialog(){
        progressDialog = new ProgressDialog(MainActivity.this);
        progressDialog.setIndeterminate(false); //循环滚动
        progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
        progressDialog.setMessage("loading...");
        progressDialog.setCancelable(false); //false不能取消显示，true可以取消显示
    }

    //测试2的Dialog
    private void initProgerssDialog1(){
        dialog = new ProgressDialog(MainActivity.this);
        dialog.setIndeterminate(false); //循环滚动
        dialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
        dialog.setMessage("loading...");
        dialog.setCancelable(false); //false不能取消显示，true可以取消显示
    }
}

自定义view_progress.xml文件代码：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:padding="10dp"
    android:orientation="horizontal"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center_vertical">
    <ProgressBar
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:indeterminateDrawable="@drawable/progress_black"/>
    <TextView
        android:layout_marginLeft="10dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="loading..."/>
</LinearLayout>

动画效果progress_black.xml文件代码：

<?xml version="1.0" encoding="utf-8"?>
<animated-rotate xmlns:android="http://schemas.android.com/apk/res/android"
    android:drawable="@drawable/ico2"
    android:fromDegrees="0"
    android:pivotX="50.0%"
    android:pivotY="50.0%"
    android:toDegrees="360"
    android:startOffset="-1"
    android:repeatMode="restart"
    android:repeatCount="-1"/>

效果3的代码（MainActivity.xml代码）：

package com.example.loading;

import androidx.appcompat.app.AppCompatActivity;

import android.app.Dialog;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity implements View.OnClickListener{
    private Handler mHandler = new Handler();
    private Button btnTest1,btnTest2,btnTest3;
    private ProgressDialog progressDialog; //测试1
    private ProgressDialog dialog; //测试2
    private Dialog mDialog; //测试3
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
        initProgerssDialog();
        initProgerssDialog1();
    }

    private void initView(){
        btnTest1 = (Button) findViewById(R.id.btnTest1);
        btnTest2 = (Button) findViewById(R.id.btnTest2);
        btnTest3 = (Button) findViewById(R.id.btnTest3);
        btnTest1.setOnClickListener(this);
        btnTest2.setOnClickListener(this);
        btnTest3.setOnClickListener(this);
    }

    @Override
    public void onClick(View view) {
        switch (view.getId()){
            case R.id.btnTest1:
                progressDialog.show(); //启动
                //耗时操作
                mHandler.postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        progressDialog.dismiss(); //关闭
                    }
                },3000); //耗时2秒
                break;
            case R.id.btnTest2:
                dialog.show(); //启动
                dialog.setContentView(R.layout.view_progress); //自定义布局,注意，自定义布局要跟在show后面
                //耗时操作
                mHandler.postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        dialog.dismiss(); //关闭
                    }
                },3000); //耗时2秒
                break;
            case R.id.btnTest3:
                showDialog();
                //耗时操作
                mHandler.postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        closeDialog(); //关闭
                    }
                },3000); //耗时3秒
                break;
        }
    }

    //测试1的Dialog
    private void initProgerssDialog(){
        progressDialog = new ProgressDialog(MainActivity.this);
        progressDialog.setIndeterminate(false); //循环滚动
        progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
        progressDialog.setMessage("loading...");
        progressDialog.setCancelable(false); //false不能取消显示，true可以取消显示
    }

    //测试2的Dialog
    private void initProgerssDialog1(){
        dialog = new ProgressDialog(MainActivity.this);
        dialog.setIndeterminate(false); //循环滚动
        dialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
        dialog.setMessage("loading...");
        dialog.setCancelable(false); //false不能取消显示，true可以取消显示
    }

    //测试3的Dialog开启
    private void showDialog(){
        if(mDialog == null){
            mDialog = LoadingDialog.createLogdingDialog(this,"登录中...");
            mDialog.show();
        }
    }

    //测试3的Dialog关闭
    private void closeDialog(){
        if(mDialog != null){
            mDialog.dismiss();
            mDialog = null;
        }
    }
}

LoadingDialog的代码：

package com.example.loading;

import android.app.Dialog;
import android.content.Context;
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;

public class LoadingDialog {
    public static Dialog createLogdingDialog(Context context,String msg){
        //得到整个View
        View view = LayoutInflater.from(context).inflate(R.layout.loading_dialog_view,null);
        //获取整个布局
        LinearLayout layout = (LinearLayout)view.findViewById(R.id.dialog_view);
        //获取页面中的img
        ImageView img = (ImageView)view.findViewById(R.id.img);
        //页面中显示的文本
        TextView tipText = (TextView)view.findViewById(R.id.tipTextView);
        //加载动画，动画用户使img图片不停的旋转
        Animation animation = AnimationUtils.loadAnimation(context,R.anim.dialog_load_animation);
        //显示动画
        img.startAnimation(animation);
        //显示文本
        tipText.setText(msg);
        //创建自定义样式的Dialog
        Dialog dialog = new Dialog(context,R.style.loading_dialog);
        //需要设置返回键返回，点击空白取消 设置为true
        dialog.setCancelable(false);
        dialog.setContentView(layout,new LinearLayout.LayoutParams(
                LinearLayout.LayoutParams.MATCH_PARENT,
                LinearLayout.LayoutParams.MATCH_PARENT
        ));

        return dialog;
    }
}

自定义loading_dialog_view.xml文件代码：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/dialog_view"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:gravity="center"
    android:minHeight="100dp"
    android:padding="10dp"
    android:minWidth="190dp"
    android:background="@drawable/radius_ten_no_gray">
    <ImageView
        android:id="@+id/img"
        android:layout_width="60dp"
        android:layout_height="60dp"
        android:src="@mipmap/ic_launcher_round"/>
    <TextView
        android:id="@+id/tipTextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="5dp"
        android:textColor="#999"
        android:textSize="15sp"/>
</LinearLayout>

动画效果dialog_load_animation.xml文件代码：

<?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>

loading_dialog.xml文件代码：

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <style name="loading_dialog" parent="android:style/Theme.Dialog">
        <!--是否有边框-->
        <item name="android:windowFrame">@null</item>
        <!--标题-->
        <item name="android:windowNoTitle">true</item>
        <!--窗口背景-->
        <item name="android:windowBackground">@android:color/transparent</item>
        <!--是否悬浮在Activity之上-->
        <item name="android:windowIsFloating">true</item>
        <item name="android:windowContentOverlay">@null</item>

    </style>
</resources>

radius_ten_no_gray.xml文件代码：

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="false">
        <shape android:shape="rectangle" >
            <solid android:color="#f3f3f3" />
            <corners android:radius="10dp" />
            <stroke android:color="#F2F3F7" />
        </shape>
    </item>
</selector>

以及小图标（我随便找张图片弄得）：

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原文地址：https://www.cnblogs.com/Mr-Deng/p/11428761.html