自定义控件（22）---FloatView悬浮窗（1）

public void open() {
ObjectAnimator anim2 = ObjectAnimator.ofFloat(btnEncryption, "x",
434.5f, 0f);
anim2.addListener(new AnimatorListener() {

@Override
public void onAnimationStart(Animator animation) {

}

@Override
public void onAnimationRepeat(Animator animation) {
}

@Override
public void onAnimationEnd(Animator animation) {
if (animListener != null) {
animListener.onAnimOpenEnd(null);
}
}

@Override
public void onAnimationCancel(Animator animation) {
}
});
anim2.setDuration(DURAIION);

ObjectAnimator anim4 = ObjectAnimator.ofFloat(btnTransmission, "x",
434.5f, 225f);
anim4.setDuration(DURAIION);

AnimatorSet animatorSet = new AnimatorSet();
animatorSet.play(anim2).with(anim4);
animatorSet.start();

isOpen = true;
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_gravity="center"
android:background="#ffffff"
android:orientation="vertical" >

<Button
android:id="@+id/btnstart"
android:layout_width="160dip"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:gravity="center"
android:text="悬浮开"
android:textSize="20dp"
android:textStyle="bold" />

<Button
android:id="@+id/btnstop"
android:layout_width="160dip"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:gravity="center"
android:text="悬浮关"
android:textSize="20dp"
android:textStyle="bold" />

</LinearLayout>

package com.example.floatbutton;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity implements OnClickListener {
Button btnStart;
Button btnStop;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btnStart = (Button) findViewById(R.id.btnstart);
btnStop = (Button) findViewById(R.id.btnstop);
btnStart.setOnClickListener(this);
btnStop.setOnClickListener(this);

}

@Override
public void onClick(View v) {
if (v.getId() == R.id.btnstart) {
Intent service = new Intent();
service.setClass(MainActivity.this, FloatService.class);
startService(service);

}
if (v.getId() == R.id.btnstop) {
Intent serviceStop = new Intent();
serviceStop.setClass(MainActivity.this, FloatService.class);
stopService(serviceStop);

}
}

}

package com.example.floatbutton;

import com.example.floatbutton.FloatViewListener.FloatViewAnimListener;

import android.app.Service;
import android.content.Intent;
import android.os.Handler;
import android.os.IBinder;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.WindowManager;

public class FloatService extends Service {
private HorizontalAniView expandView;
private WindowManager wm_expand = null;
private WindowManager.LayoutParams wmParams_expand = null;

private Handler mHandler = new Handler();
@Override
public void onCreate() {
super.onCreate();
expandView = (HorizontalAniView) LayoutInflater.from(this).inflate(
R.layout.floating, null);
initWindowManger();
}

Runnable run = new Runnable() {
public void run() {
expandView.close();
}
};

private void initWindowManger() {
// 获取WindowManager
wm_expand = (WindowManager) getApplicationContext().getSystemService(
"window");
// 设置LayoutParams(全局变量）相关参数
wmParams_expand = getWmParams();

expandView.setFloatViewAnimListener(new FloatViewAnimListener() {

@Override
public void onAnimOpenEnd(int[] location) {
mHandler.postDelayed(run, 2000);

}

});

wm_expand.addView(expandView, wmParams_expand);
}

private WindowManager.LayoutParams getWmParams() {

WindowManager.LayoutParams wmParams = new WindowManager.LayoutParams();
wmParams.type = 2002;
wmParams.flags |= 8;
wmParams.gravity = Gravity.LEFT | Gravity.TOP; // 调整悬浮窗口至左上角
// 以屏幕左上角为原点，设置x、y初始值
wmParams.x = 0;
wmParams.y = 25; // 25是系统状态栏的高度
// 设置悬浮窗口长宽数据
wmParams.width = WindowManager.LayoutParams.WRAP_CONTENT;
wmParams.height = WindowManager.LayoutParams.WRAP_CONTENT;
wmParams.format = 1;
return wmParams;
}

@Override
public void onDestroy() {
Log.d("FloatService", "onDestroy");
try {
wm_expand.removeView(expandView);
} catch (Exception e) {
e.printStackTrace();
}
super.onDestroy();
}

@Override
public IBinder onBind(Intent intent) {

return null;
}

}

expandView = (HorizontalAniView) LayoutInflater.from(this).inflate(
R.layout.floating, null);

<?xml version="1.0" encoding="utf-8"?>
<com.example.floatbutton.HorizontalAniView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal" />

package com.example.floatbutton;

import android.animation.Animator;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.animation.Animator.AnimatorListener;
import android.content.Context;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;

public class HorizontalAniView extends LinearLayout {
private ImageView btnEncryption;
private ImageView btnTransmission;
private ImageView btnMain;

private boolean isOpen = true;

protected final int DURAIION = 300;
protected View root;

/**
* 构造函数
*
* @param context
* @param attrs
*/
public HorizontalAniView(Context context, AttributeSet attrs) {
super(context, attrs);
InflaterView(context);
}

public HorizontalAniView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
InflaterView(context);
}

public HorizontalAniView(Context context) {
super(context);
InflaterView(context);
}

public View InflaterView(Context context) {
root = LayoutInflater.from(context).inflate(
R.layout.horizontal_ani_view, this);
btnEncryption = (ImageView) root.findViewById(R.id.btnEncryption);
btnTransmission = (ImageView) root.findViewById(R.id.btnTransmission);
btnMain = (ImageView) root.findViewById(R.id.btnMain);
btnMain.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
toggle();
}
});
return root;
}

private void toggle() {
if (isOpen)
close();
else
open();
}

/**
* 更改开关状态
*/
protected FloatViewListener.FloatViewAnimListener animListener;

public void setFloatViewAnimListener(
FloatViewListener.FloatViewAnimListener listener) {
this.animListener = listener;
}

public void open() {
ObjectAnimator anim2 = ObjectAnimator.ofFloat(btnEncryption, "x",
434.5f, 0f);
anim2.addListener(new AnimatorListener() {

@Override
public void onAnimationStart(Animator animation) {

}

@Override
public void onAnimationRepeat(Animator animation) {
}

@Override
public void onAnimationEnd(Animator animation) {
if (animListener != null) {
animListener.onAnimOpenEnd(null);
}
}

@Override
public void onAnimationCancel(Animator animation) {
}
});
anim2.setDuration(DURAIION);

ObjectAnimator anim4 = ObjectAnimator.ofFloat(btnTransmission, "x",
434.5f, 225f);
anim4.setDuration(DURAIION);

AnimatorSet animatorSet = new AnimatorSet();
animatorSet.play(anim2).with(anim4);
animatorSet.start();

isOpen = true;
}

public void close() {
ObjectAnimator anim2 = ObjectAnimator.ofFloat(btnEncryption, "x",
0f,434.5f);
anim2.setDuration(DURAIION);
ObjectAnimator anim4 = ObjectAnimator.ofFloat(btnTransmission, "x",
225f, 434.5f);
anim4.setDuration(DURAIION);
AnimatorSet animatorSet = new AnimatorSet();

animatorSet.play(anim2).with(anim4);
animatorSet.start();

isOpen = false;
}

}

root = LayoutInflater.from(context).inflate(
R.layout.horizontal_ani_view, this);

<?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:gravity="center_vertical"
android:orientation="horizontal" >

<ImageView
android:id="@+id/btnEncryption"
android:layout_width="60.33dp"
android:layout_height="60.33dp"
android:src="@drawable/bendi" />

<ImageView
android:id="@+id/btnTransmission"
android:layout_width="60.33dp"
android:layout_height="60.33dp"
android:layout_marginLeft="14.67dp"
android:src="@drawable/chuanshu2" />

<ImageView
android:id="@+id/btnMain"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_marginLeft="14.67dp"
android:src="@drawable/zhuicon" />

</LinearLayout>

package com.example.floatbutton;

public class FloatViewListener {

public interface FloatViewAnimListener {
public void onAnimOpenEnd(int[] location);

}
}

<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />