Android 自定义加载动画Dialog弹窗效果的示例代码

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
 <corners android:radius="5dp"/>
 <solid android:color="#1c285b"/>
</shape>

<!-- 自定义loading dialog -->
 <style name="loading_dialog" parent="android:style/theme.dialog">
 <item name="android:windowframe">@null</item>
 <item name="android:windownotitle">true</item>
 <item name="android:windowbackground">@drawable/shape_bg_5_yellow</item>
 <item name="android:windowisfloating">true</item>
 <item name="android:windowcontentoverlay">@null</item>
 </style>

<?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"?>
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:id="@+id/dialog_view"
 android:orientation="vertical"
 android:layout_width="120dp"
 android:layout_height="120dp"
 android:gravity="center"
 android:padding="10dp">

 <imageview
 android:id="@+id/iv_loading"
 android:layout_width="40dp"
 android:layout_height="40dp"
 android:src="@mipmap/icon_loading_5" />

 <textview
 android:id="@+id/tv_loading_tx"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"
 android:layout_margintop="10dp"
 android:maxlines="1"
 android:text="玩命加载中..."
 android:textcolor="#fff"
 android:textsize="14sp" />
</linearlayout>

import android.app.dialog;
import android.content.context;
import android.content.dialoginterface;
import android.view.gravity;
import android.view.animation.animation;
import android.view.animation.animationutils;
import android.widget.imageview;
import android.widget.textview;

/**
 * 自定义弹窗
 */
public class customdialog extends dialog {

 textview tvloadingtx;
 imageview ivloading;

 public customdialog(context context) {
 this(context, r.style.loading_dialog, "玩命加载中...");

 }

 public customdialog(context context, string string) {
 this(context, r.style.loading_dialog, string);
 }

 protected customdialog(context context, int theme, string string) {
 super(context, theme);
 setcanceledontouchoutside(true);//点击其他区域时 true 关闭弹窗 false 不关闭弹窗
 setcontentview(r.layout.loading_dialog);//加载布局
 tvloadingtx = findviewbyid(r.id.tv_loading_tx);
 tvloadingtx.settext(string);
 ivloading = findviewbyid(r.id.iv_loading);
 // 加载动画
 animation hyperspacejumpanimation = animationutils.loadanimation(
  context, r.anim.loading_animation);
 // 使用imageview显示动画
 ivloading.startanimation(hyperspacejumpanimation);

 getwindow().getattributes().gravity = gravity.center;//居中显示
 getwindow().getattributes().dimamount = 0.5f;//背景透明度 取值范围 0 ~ 1
 }

	//关闭弹窗
 @override
 public void dismiss() {
 super.dismiss();
 }