全局悬浮框（只能在app开启式显示）

1.点击事件启动服务

public void startFloatingButtonService(View view) {Log.e("TAG", "startFloatingButtonService: "+FloatingButtonService.isStarted);if (FloatingButtonService.isStarted) {return;}if (!Settings.canDrawOverlays(this)) {Toast.makeText(this, "当前无权限，请授权", Toast.LENGTH_SHORT);startActivityForResult(new Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION, Uri.parse("package:" + getPackageName())), 0);} else {startService(new Intent(MainActivity.this, FloatingButtonService.class));}}

2.服务代码


import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.IBinder;
import  com.example.xuanfuactivity.R;import android.app.Service;
import android.content.Intent;
import android.graphics.Color;
import android.graphics.PixelFormat;
import android.os.Build;
import android.os.IBinder;
import android.provider.Settings;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;import androidx.annotation.Nullable;/*** Created by dongzhong on 2018/5/30.*/public class FloatingButtonService extends Service {public static boolean isStarted = false;private WindowManager windowManager;private WindowManager.LayoutParams layoutParams;private  View mDesktopLayout;private Button button,b2;private ImageView imageView;private int imgs [] ={R.mipmap.img1,R.mipmap.img2,R.mipmap.img3,R.mipmap.img4,R.mipmap.img5,R.mipmap.img6,R.mipmap.gif};private int index=0;@Overridepublic void onCreate() {super.onCreate();isStarted = true;windowManager = (WindowManager) getSystemService(WINDOW_SERVICE);layoutParams = new WindowManager.LayoutParams();if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {layoutParams.type = WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;} else {layoutParams.type = WindowManager.LayoutParams.TYPE_PHONE;}layoutParams.format = PixelFormat.RGBA_8888;layoutParams.gravity = Gravity.LEFT | Gravity.TOP;layoutParams.flags = WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;layoutParams.width = 500;layoutParams.height = 800;layoutParams.x = 0;layoutParams.y = 0;}@Nullable@Overridepublic IBinder onBind(Intent intent) {return null;}@Overridepublic int onStartCommand(Intent intent, int flags, int startId) {showFloatingWindow();return super.onStartCommand(intent, flags, startId);}private void showFloatingWindow() {if (Settings.canDrawOverlays(this)) {LayoutInflater inflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);mDesktopLayout = inflater.inflate(R.layout.xuanfu_view_diy, null);imageView=mDesktopLayout.findViewById(R.id.i1);imageView.setImageResource(imgs[0]);button=mDesktopLayout.findViewById(R.id.b1);button.setOnClickListener(new onClicl());b2=mDesktopLayout.findViewById(R.id.b2);b2.setOnClickListener(new onClicl());mDesktopLayout.setOnTouchListener(new FloatingOnTouchListener());windowManager.addView(mDesktopLayout, layoutParams);}}public class onClicl implements View.OnClickListener {@Overridepublic void onClick(View v) {switch (v.getId()){case R.id.b1:if(index<6){index=index+1;}else{index=0;}imageView.setImageResource(imgs[index]);break;case R.id.b2:Log.e("", "onClick: 关闭" );windowManager.removeView(mDesktopLayout);isStarted=false;break;}}}private class FloatingOnTouchListener implements View.OnTouchListener, View.OnClickListener, View.OnLongClickListener {private int x;private int y;@Overridepublic boolean onTouch(View view, MotionEvent event) {switch (event.getAction()) {case MotionEvent.ACTION_DOWN:x = (int) event.getRawX();y = (int) event.getRawY();break;case MotionEvent.ACTION_MOVE:int nowX = (int) event.getRawX();int nowY = (int) event.getRawY();int movedX = nowX - x;int movedY = nowY - y;x = nowX;y = nowY;layoutParams.x = layoutParams.x + movedX;layoutParams.y = layoutParams.y + movedY;windowManager.updateViewLayout(view, layoutParams);break;default:break;}return false;}@Overridepublic void onClick(View v) {Log.e("TAG", "onClick: " );}@Overridepublic boolean onLongClick(View v) {return false;}}
}

3.服务配置代码

<serviceandroid:name=".service.FloatingButtonService"android:enabled="true"android:exported="true" />

4.悬浮框界面（xuanfu_view_diy）

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="wrap_content"android:layout_height="wrap_content"android:orientation="vertical"android:background="#000099"android:layout_gravity="center"><ImageViewandroid:layout_width="200dp"android:layout_height="200dp"android:id="@+id/i1"></ImageView><Buttonandroid:id="@+id/b1"android:layout_width="match_parent"android:layout_height="wrap_content"android:text="切换下一页"android:textColor="#ffffff"></Button><Buttonandroid:id="@+id/b2"android:layout_width="match_parent"android:layout_height="wrap_content"android:text="关闭悬浮框"android:textColor="#ffffff"></Button>
</LinearLayout>

XuanfuActivity.rar-互联网文档类资源-CSDN下载

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