4.4 自由移动的Toast效果

最新推荐文章于 2022-01-17 16:10:49 发布

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最新推荐文章于 2022-01-17 16:10:49 发布

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分类专栏：手机安全卫士笔记

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

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/**

* 来电时显示来电号码归属地的服务

* @author Administrator

public class ShowAddressService extends Service {

private TelephonyManager tm ;

private MyListener listener ;

private BroadcastReceiver receiver ;

private SharedPreferences sp ;

//自定义Toast

private View view ;

private WindowManager wm ;

// "半透明","活力橙","卫士蓝","苹果绿","金属灰"

private static final int [] bgs = {R.drawable. call_locate_white ,

R.drawable. call_locate_orange , R.drawable. call_locate_blue ,

R.drawable. call_locate_green , R.drawable. call_locate_gray };

@Override

public IBinder onBind(Intent intent) {

return null ;

}

/**

* 代码的方式创建广播接收者

private class OutCallReceiver extends BroadcastReceiver{

@Override

public void onReceive(Context context, Intent intent) {

String address = AddressDao.getAddress(getResultData(), context);

System. out .println(address+ "....................." );

// Toast.makeText(context, address, 1).show();

showAddress(address);

}

/**

* 服务创建的时候

@Override

public void onCreate() {

super .onCreate();

sp =getSharedPreferences( "config" , MODE_PRIVATE );

//创建WindowManager

wm = (WindowManager) getSystemService( WINDOW_SERVICE );

//在服务创建时注册并开启广播

receiver = new OutCallReceiver();

IntentFilter filter= new IntentFilter();

filter.addAction( "android.intent.action.NEW_OUTGOING_CALL" );

this .registerReceiver( receiver , filter);

//创建电话管理者

tm =(TelephonyManager) getSystemService( TELEPHONY_SERVICE );

listener = new MyListener(); //初始化MyListener()

//注册一个监听器,监听电话状态的改变

tm .listen( listener , PhoneStateListener. LISTEN_CALL_STATE );

}

/**

* 服务销毁的时候

@Override

public void onDestroy() {

super .onDestroy();

//在服务销毁时结束广播

unregisterReceiver( receiver );

receiver = null ;

// 当服务停止的时候取消电话监听

tm .listen( listener , PhoneStateListener. LISTEN_NONE );

listener = null ;

}

/**

* 电话状态的监听器

public class MyListener extends PhoneStateListener{

@Override

public void onCallStateChanged( int state, String incomingNumber) {

super .onCallStateChanged(state, incomingNumber);

switch (state) {

case TelephonyManager. CALL_STATE_IDLE : //空闲状态

if ( view != null ) {

wm .removeView( view ); //电话挂断时,移除土司

view = null ;

}

break ;

case TelephonyManager. CALL_STATE_RINGING : //响铃状态

String address = AddressDao.getAddress(incomingNumber,getApplicationContext());

// Toast.makeText(getApplicationContext(), address, 1).show();

showAddress(address);

break ;

case TelephonyManager. CALL_STATE_OFFHOOK : //接听状态

break ;

}

/**

* 显示一个自定义的土司

* @param address

public void showAddress (String address) {

//得到自定义土司的布局

view = View. inflate(getApplicationContext(), R.layout. toast_address , null );

TextView tv = (TextView) view .findViewById(R.id. tv_info );

tv.setText(address);

view .setBackgroundResource( bgs [ sp .getInt( "which" , 0)]);

//系统源码Toast设置修改

final WindowManager.LayoutParams params = new LayoutParams();

//来去电时自定义Toast位置设置

params. gravity =Gravity. LEFT +Gravity. TOP ;

params. x = sp .getInt( "left" , 0);

params. y = sp .getInt( "top" , 0);

//设置触摸事件

view .setOnTouchListener( new OnTouchListener() {

int startX ;

int startY ;

@Override

public boolean onTouch(View v, MotionEvent event) {

switch (event.getAction()) {

case MotionEvent. ACTION_DOWN :

startX = ( int ) event.getRawX();

startY = ( int ) event.getRawY();

break ;

case MotionEvent. ACTION_MOVE :

int newX = ( int ) event.getRawX();

int newY = ( int ) event.getRawY();

int dx = newX - startX ;

int dy = newY - startY ;

//设置toast的位置

params. x +=dx;

params. y +=dy;

wm .updateViewLayout( view , params);

//更新手指的位置

startX = ( int ) event.getRawX();

startY = ( int ) event.getRawY();

break ;

case MotionEvent. ACTION_UP :

//记录最后的距离屏幕左边和上边位置存到 sp里面

break ;

}

return true ;

}

});

//体统Toast参数配置源码

params. height = WindowManager.LayoutParams. WRAP_CONTENT ;

params. width = WindowManager.LayoutParams. WRAP_CONTENT ;

params. flags = WindowManager.LayoutParams. FLAG_NOT_FOCUSABLE

// | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE 注释掉不可触摸配置

| WindowManager.LayoutParams. FLAG_KEEP_SCREEN_ON ;

params. format = PixelFormat. TRANSLUCENT ;

params. type = WindowManager.LayoutParams. TYPE_PRIORITY_PHONE ; //更改窗体的类型,窗体显示在最上方才能响应触摸事件

wm .addView( view , params);

}