动画效果搞定了

app/src/main/java/com/example/blu/toys/activity/SearchingActivity.java

 package com.example.blu.toys.activity;
 
-import android.content.Intent;
 import android.os.Build;
 import android.os.Bundle;
+import android.os.Handler;
+import android.view.animation.Animation;
+import android.view.animation.AnimationUtils;
+import android.widget.ImageView;
 
 import androidx.annotation.RequiresApi;
+import androidx.appcompat.widget.AppCompatImageView;
 
 import com.clj.fastble.data.BleDevice;
 import com.example.blu.toys.R;
@@ -16,12 +20,22 @@ import org.greenrobot.eventbus.ThreadMode;
 
 import java.util.List;
 
+import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
 
 public class SearchingActivity extends BaseActivity {
 
 
+    @BindView(R.id.iv_beecartoon)
+    ImageView ivBeecartoon;
+    @BindView(R.id.go_search_ble)
+    AppCompatImageView goSearchBle;
+    @BindView(R.id.go_search_ble_1)
+    AppCompatImageView goSearchBle1;
+    @BindView(R.id.go_search_ble_2)
+    AppCompatImageView goSearchBle2;
+
     @Override
     public int getLayout() {
         return R.layout.activity_searching;
@@ -50,7 +64,31 @@ public class SearchingActivity extends BaseActivity {
     }
 
     @Override
-	public void onBackPressed() {
-		finish();
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        // TODO: add setContentView(...) invocation
+        ButterKnife.bind(this);
+        Animation animation = AnimationUtils.loadAnimation(this, R.anim.translate_anim);
+        ivBeecartoon.startAnimation(animation);
+        goSearchBle.setImageDrawable(this.getResources().getDrawable(R.drawable.search_bg));
+        Animation animation1 = AnimationUtils.loadAnimation(this, R.anim.search_anim);
+        goSearchBle.startAnimation(animation1);
+
+        new Handler().postDelayed(new Runnable() {
+            public void run() {
+                Animation animation2 = AnimationUtils.loadAnimation(SearchingActivity.this, R.anim.search_anim);
+                goSearchBle1.setImageDrawable(SearchingActivity.this.getResources().getDrawable(R.drawable.search_bg));
+                goSearchBle1.startAnimation(animation2);
+            }
+        }, 700);
+
+        new Handler().postDelayed(new Runnable() {
+            public void run() {
+                Animation animation3 = AnimationUtils.loadAnimation(SearchingActivity.this, R.anim.search_anim);
+                goSearchBle2.setImageDrawable(SearchingActivity.this.getResources().getDrawable(R.drawable.search_bg));
+                goSearchBle2.startAnimation(animation3);
+            }
+        }, 1400);
+
     }
 }
\ No newline at end of file

app/src/main/res/anim/cycle.xml

+<?xml version="1.0" encoding="utf-8"?>
+<cycleInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
+    android:cycles="2" />
\ No newline at end of file

app/src/main/res/anim/search_anim.xml

+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <scale
+        android:duration="2100"
+        android:fromXScale="1.0"
+        android:fromYScale="1.0"
+        android:pivotX="50%"
+        android:pivotY="50%"
+        android:toXScale="2.5"
+        android:toYScale="2.5"
+        android:repeatCount="infinite"/>
+
+    <alpha
+        android:duration="2100"
+        android:fromAlpha="1.0"
+        android:interpolator="@android:anim/accelerate_decelerate_interpolator"
+        android:toAlpha="0.4"
+        android:repeatCount="infinite"/>
+
+</set>
\ No newline at end of file

app/src/main/res/anim/translate_anim.xml

+<?xml version="1.0" encoding="utf-8"?>
+<translate xmlns:android="http://schemas.android.com/apk/res/android"
+    android:duration="1000"
+    android:fromYDelta="0"
+    android:interpolator="@anim/cycle"
+    android:toYDelta="10"
+    android:repeatCount="infinite">
+
+</translate>
\ No newline at end of file

app/src/main/res/layout/activity_searching.xml

@@ -63,6 +63,28 @@
 		android:layout_gravity="center"
 		android:orientation="vertical">
 
+		<androidx.appcompat.widget.AppCompatImageView
+			android:id="@+id/go_search_ble_2"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:layout_centerHorizontal="true"
+			android:layout_centerVertical="true" />
+		<androidx.appcompat.widget.AppCompatImageView
+			android:id="@+id/go_search_ble_1"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:layout_centerHorizontal="true"
+			android:layout_centerVertical="true" />
+
+		<androidx.appcompat.widget.AppCompatImageView
+			android:id="@+id/go_search_ble"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:layout_centerHorizontal="true"
+			android:layout_centerVertical="true"
+			android:src="@mipmap/searchrings" />
+
+
 
 		<LinearLayout
 			android:layout_width="wrap_content"
@@ -89,24 +111,18 @@
 		</LinearLayout>
 
 
-		<androidx.appcompat.widget.AppCompatImageView
-			android:id="@+id/go_search_ble"
+		<ImageView
+			android:id="@+id/iv_beecartoon"
 			android:layout_width="wrap_content"
 			android:layout_height="wrap_content"
-			android:layout_centerHorizontal="true"
-			android:layout_centerVertical="true"
-			android:src="@mipmap/searchrings" />
-
+			android:layout_alignParentRight="true"
+			android:layout_marginEnd="@dimen/dp_60"
+			android:layout_marginTop="@dimen/dp_80"
+			android:src="@mipmap/beecartoon" />
 
 	</RelativeLayout>
 
 
-	<ImageView
-		android:layout_width="wrap_content"
-		android:layout_height="wrap_content"
-		android:layout_below="@+id/animate"
-		android:layout_centerHorizontal="true"
-		android:layout_marginTop="@dimen/dp_14"
-		android:src="@mipmap/beecartoon" />
+
 
 </RelativeLayout>
\ No newline at end of file