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注意：
/*toast窗体类型默认不响应窗体点击事件
params.type = WindowManager.LayoutParams.TYPE_TOAST;*/
/*制定具有电话优先级的窗体类型，需要添加权限 <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>*/
params.type = WindowManager.LayoutParams.TYPE_PRIORITY_PHONE;
代码如下：
package com.zaizai.safty.service;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.graphics.PixelFormat;
import android.os.IBinder;
import android.os.SystemClock;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;
import android.util.Log;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.WindowManager;
import android.widget.TextView;
import com.zaizai.safty.R;
import com.zaizai.safty.db.dao.NumberAddressQueryUtils;
public class AddressService extends Service {
private static final String TAG = "zaizai";
//窗体管理者
private WindowManager windowManager;
private View view;
/**
* 电话
*/
private TelephonyManager telephonyManager;
private MyListenerPhone myListenerPhone;
private OutCallReceiver outCallReceiver;
private WindowManager.LayoutParams params;
private SharedPreferences sharedPreferences;
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}
// 服务里面的内部类
//广播接收者的生命周期和服务一样
class OutCallReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// 这就是我们拿到的播出去的电话号码
String phone = getResultData();
// 查询数据库
String address = NumberAddressQueryUtils.queryNumber(phone);
// Toast.makeText(context, address, Toast.LENGTH_LONG).show();
myToast(address);
}
}
private class MyListenerPhone extends PhoneStateListener {
@Override
public void onCallStateChanged(int state, String incomingNumber) {
// state：状态，incomingNumber：来电号码
super.onCallStateChanged(state, incomingNumber);
switch (state) {
case TelephonyManager.CALL_STATE_RINGING:// 来电铃声响起
// 查询数据库的操作
String address = NumberAddressQueryUtils
.queryNumber(incomingNumber);
//Toast.makeText(getApplicationContext(), address, Toast.LENGTH_LONG).show();
myToast(address);
break;
case TelephonyManager.CALL_STATE_IDLE://电话的空闲状态：挂电话、来电拒绝
//把这个View移除
if (view != null) {
windowManager.removeView(view);
}
break;
default:
break;
}
}
}
@Override
public void onCreate() {
// TODO Auto-generated method stub
super.onCreate();
//电话服务
telephonyManager = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);
// 监听来电
myListenerPhone = new MyListenerPhone();
//注册服务去监听电话
telephonyManager.listen(myListenerPhone, PhoneStateListener.LISTEN_CALL_STATE);
//用代码去注册广播接收者Begin
outCallReceiver = new OutCallReceiver();
IntentFilter filter = new IntentFilter();
filter.addAction("android.intent.action.NEW_OUTGOING_CALL");
registerReceiver(outCallReceiver, filter);
//用代码去注册广播接收者End
//实例化窗体
windowManager = (WindowManager) getSystemService(WINDOW_SERVICE);
}
/**
* 自定义土司
*
* @param address
*/
private long[] mHits = new long[2];
public void myToast(String address) {
/*绘制UI界面*/
view = View.inflate(this, R.layout.address_show, null);
TextView textview = (TextView) view.findViewById(R.id.tv_address);
view.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
/*双击两次居中*/
System.arraycopy(mHits, 1, mHits, 0, mHits.length - 1);
mHits[mHits.length - 1] = SystemClock.uptimeMillis();
if (mHits[0] >= (SystemClock.uptimeMillis() - 500)) {
/*成功双击两次*/
Log.i(TAG, "双击成功：");
params.x = windowManager.getDefaultDisplay().getWidth() / 2 - view.getWidth() / 2;
params.y = windowManager.getDefaultDisplay().getHeight() / 2 - view.getHeight() / 2;
windowManager.updateViewLayout(view, params);
SharedPreferences.Editor editor = sharedPreferences.edit();
editor.putInt("lastx", params.x);
editor.putInt("lasty", params.y);
editor.commit();
}
}
});
view.setOnTouchListener(new View.OnTouchListener() {
int startX;
int startY;
@Override
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN://手指按下屏幕
{
startX = (int) event.getRawX();
startY = (int) event.getRawY();
Log.i(TAG, "开始位置：" + startX + "," + startY);
break;
}
case MotionEvent.ACTION_MOVE://手指在屏幕上移动
{
int newX = (int) event.getRawX();
int newY = (int) event.getRawY();
Log.i(TAG, "移动后位置：" + newX + "," + newY);
int dx = newX - startX;
int dy = newY - startY;
Log.i(TAG, "移动后的偏移量：" + dx + "," + dy);
Log.i(TAG, "更新ImageView在窗体的偏移量：" + dx + "," + dy);
/*重新设置窗体的开始位置，结束位置*/
params.x += dx;
params.y += dy;
if (params.x < 0) {
params.x = 0;
} else if (params.y < 0) {
params.y = 0;
} else if (params.x > (windowManager.getDefaultDisplay().getWidth() - view.getWidth())) {
params.x = windowManager.getDefaultDisplay().getWidth() - view.getWidth();
} else if (params.y > (windowManager.getDefaultDisplay().getHeight() - view.getHeight())) {
params.y = windowManager.getDefaultDisplay().getHeight() - view.getHeight();
}
windowManager.updateViewLayout(view, params);
// 重新初始化手指的开始结束位置。
startX = (int) event.getRawX();
startY = (int) event.getRawY();
break;
}
case MotionEvent.ACTION_UP://手指离开屏幕
{
//记录控件距离屏幕左上角的坐标
SharedPreferences.Editor editor = sharedPreferences.edit();
editor.putInt("lastx", params.x);
editor.putInt("lasty", params.y);
editor.commit();
break;
}
}
return false;//事件处理完毕，返回ture，将事件拦截掉，不让负空间布局响应触摸事件
}
});
//"半透明","活力橙","卫士蓝","金属灰","苹果绿"
int[] ids = {R.mipmap.call_locate_white9, R.mipmap.call_locate_orange9, R.mipmap.call_locate_blue9
, R.mipmap.call_locate_gray9, R.mipmap.call_locate_green9};
/*获得用户设置的风格，默认为0半透明*/
sharedPreferences = getSharedPreferences("config", MODE_PRIVATE);
view.setBackgroundResource(ids[sharedPreferences.getInt("which", 0)]);
textview.setText(address);
//窗体的参数就设置好了
params = new WindowManager.LayoutParams();
params.height = WindowManager.LayoutParams.WRAP_CONTENT;
params.width = WindowManager.LayoutParams.WRAP_CONTENT;
/*吐司位置设置 params.gravity = Gravity.TOP; 多个参数使用+号连接*/
params.gravity = Gravity.TOP + Gravity.LEFT;
/*左边100 顶部100 */
params.x = sharedPreferences.getInt("lastx", 0);
params.y = sharedPreferences.getInt("lasty", 0);
params.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
/* | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
* 去掉响应时间*/
| WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
params.format = PixelFormat.TRANSLUCENT;
/*toast窗体类型默认不响应窗体点击事件 params.type = WindowManager.LayoutParams.TYPE_TOAST;*/
/*制定具有电话优先级的窗体类型，需要添加权限 <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>*/
params.type = WindowManager.LayoutParams.TYPE_PRIORITY_PHONE;
windowManager.addView(view, params);
}
@Override
public void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
// 取消监听来电
telephonyManager.listen(myListenerPhone, PhoneStateListener.LISTEN_NONE);
myListenerPhone = null;
//用代码取消注册广播接收者
unregisterReceiver(outCallReceiver);
outCallReceiver = null;
}
}
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原文地址：http://my.oschina.net/zaizaiangels/blog/527632
