最近真忙，没时间细写blog了。

对比了两个平台的Launcher3项目，虽然都是3，但是代码也不是一成不变的，新版本的Launcher3，DeviceProfile也从DynamicGrid中独立出来了。

之前加的很多属性不再适用，需要重新阅读源码，进行修改。呃，工作量不小。

DeviceProfile.java

/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.launcher3;

import android.appwidget.AppWidgetHostView;
import android.content.ComponentName;
import android.content.Context;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.graphics.Paint;
import android.graphics.Paint.FontMetrics;
import android.graphics.Point;
import android.graphics.PointF;
import android.graphics.Rect;
import android.util.DisplayMetrics;
import android.view.Display;
import android.view.Gravity;
import android.view.Surface;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.view.WindowManager;
import android.widget.FrameLayout;
import android.widget.LinearLayout;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;

import android.os.SystemProperties;//add by czq
import android.text.TextUtils;//add by czq
import android.util.Log;


class DeviceProfileQuery {
    float widthDps;
    float heightDps;
    float value;
    PointF dimens;

    DeviceProfileQuery(float w, float h, float v) {
        widthDps = w;
        heightDps = h;
        value = http://www.mamicode.com/v;>

Android Launcher3的DeviceProfile的改变