自顶定义浮窗
windowManager上添加自己的布局
这个浮窗是在service中定义的，这样才能在任何地方显示他，即使在别的应用中，在桌面上都可以的。因为在于获取WindowManger的传进去的Context对象是谁，activity的话，finish后浮窗就消失，service一直存活于后台，所以会一直显示出来的。
1.在activity中点击按钮启动服务，绑定服务，这里面有个服务链接，可以获取服务对象，调用服务中的显示和隐藏浮窗。
case R.id.bt06:
Intent intent=new Intent(this,ToastService.class);
startService(intent);
bindService(intent, new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
binder = (ToastService.Mybinder) service;
binder.show();
}
@Override
public void onServiceDisconnected(ComponentName name) {
}
}, Context.BIND_AUTO_CREATE);
break;
2. 再看服务中的代码，有些地方没有优化处理，主要先看这个实现过程 在showToast方法中：通过service获取windowmanger对象，创建windowManger.LayoutParams对象，设置参数 然后加载自己的布局，这里设置了点击布局view隐藏浮动窗口，以及设置了相应的动画。 在hide方法，设置在动画执行结束后windowManger移除所添加的view。
package com.example.zxq.bsquxian.services;
import android.animation.Animator;
import android.animation.ObjectAnimator;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.graphics.PixelFormat;
import android.os.Binder;
import android.os.IBinder;
import android.support.annotation.Nullable;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.WindowManager;
import android.view.animation.OvershootInterpolator;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.Toast;
import com.example.zxq.bsquxian.R;
/**
* Created by Administrator on 2017/7/30 0030.
*/
public class ToastService extends Service {
private View view2;
private ObjectAnimator translationY;
private boolean isshow=false;
private WindowManager windowManager;
private LinearLayout linearLayout;
private ObjectAnimator alpha;
@Nullable
@Override
public IBinder onBind(Intent intent) {
return new Mybinder();
}
@Override
public void onCreate() {
super.onCreate();
}
public class Mybinder extends Binder
{
public void show(){
showToast();
}
public void hide(){
hide();
}
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
return super.onStartCommand(intent, flags, startId);
}
public void showToast()
{
windowManager = (WindowManager) this.getSystemService(Context.WINDOW_SERVICE);
WindowManager.LayoutParams params = new WindowManager.LayoutParams();
params.height = WindowManager.LayoutParams.MATCH_PARENT;
params.width = WindowManager.LayoutParams.MATCH_PARENT;
params.format = PixelFormat.TRANSLUCENT;
params.type = WindowManager.LayoutParams.TYPE_PHONE ;
params.flags = WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
| WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
| WindowManager.LayoutParams.FLAG_FULLSCREEN
| WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
params.gravity = Gravity.LEFT + Gravity.TOP;
view2 = LayoutInflater.from(getApplicationContext()).inflate(R.layout.windowtoast_layout, null, false);
view2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
hide();
}
});
ImageView iv= (ImageView) view2.findViewById(R.id.iv);
linearLayout = (LinearLayout) view2.findViewById(R.id.ll_content);
iv.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(getApplicationContext(),"hhah",Toast.LENGTH_SHORT).show();
}
});
isshow=true;
windowManager.addView(view2,params);
alpha = ObjectAnimator.ofFloat(view2, "alpha", 0, 1);
alpha.setDuration(500);
alpha.start();
translationY = ObjectAnimator.ofFloat(linearLayout, "translationY", -100, 0);
translationY.setDuration(500);
translationY.setInterpolator(new OvershootInterpolator());
translationY.start();
}
public void hide()
{
if(isshow)
{
isshow=false;
alpha = ObjectAnimator.ofFloat(view2, "alpha", 1, 0);
alpha.setDuration(500);
alpha.start();
translationY = ObjectAnimator.ofFloat(linearLayout, "translationY", 0,-100);
translationY.setDuration(500);
translationY.start();
translationY.addListener(new Animator.AnimatorListener() {
@Override
public void onAnimationStart(Animator animation) {
}
@Override
public void onAnimationEnd(Animator animation) {
windowManager.removeView(view2);
}
@Override
public void onAnimationCancel(Animator animation) {
}
@Override
public void onAnimationRepeat(Animator animation) {
}
});
}
}
}