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();
 }