最近看见有人放win8的界面效果,搜了两款,一款是只是仿界面没有特效,另一款是自定义组件能够实现反转效果,今天分析一下这两类界面。
仿win8界面
win8磁贴类似九宫格效果,实现这种效果基本上有三种方式实现:LinearLayout,使用其属性layout_weight实现等分;TableLayout,做过计算器的人可能会用到过这个,也可以实现,还有一种就是GridView,自己实现适配器,我找到的仿win8界面使用LinearLayout来实现的,LinearLayout层层嵌套,这种方式不太提倡,因为嵌套太多,我们看一下界面效果:
我们看一下界面源码:
    android:layout_
    android:orientation="horizontal"
    android:paddingTop="30dp"
    android:paddingBottom="30dp"
    android:paddingLeft="20dp"
    android:baselineAligned="false"
    android:background="@drawable/rootblock_default_bg"
    >
    
             android:layout_
             android:orientation="vertical"
             android:layout_weight="1">
             
                 android:layout_
                 android:orientation="horizontal">
                     
                             android:layout_
                             android:background="#FF7F24">
                         
                     
                             android:layout_
                             android:layout_marginLeft="5dp"
                             android:background="#FF7F24">
                         
             
        
             
                 android:layout_
                 android:layout_marginTop="5dp"
                 android:orientation="horizontal">
                
                             android:layout_
                             android:background="#3399ff">
                         
                     
                             android:layout_
                             android:layout_marginLeft="5dp"
                             android:background="#3399ff">
                         
             
             
                      
                 android:layout_
                 android:layout_marginTop="5dp"
                 android:orientation="horizontal">
               
                             android:layout_
                             android:background="#3399ff">
                         
                     
                             android:layout_
                             android:layout_marginLeft="5dp"
                             android:background="#3399ff">
                         
             
                      
                 android:layout_
                 android:layout_marginTop="5dp"
                 android:orientation="horizontal">
              
                  android:layout_
                  android:background="#953399ff" >
              
                     
                             android:layout_
                             android:layout_marginLeft="5dp"
                             android:background="#953399ff">
                         
                      
                 
    
    
        android:layout_
        android:orientation="vertical"
        android:layout_weight="1">
               
                   android:layout_
                   >
                 
                           android:layout_
                           android:orientation="vertical"
                     android:layout_alignParentBottom="true">
                               
                                        android:layout_
                                       android:layout_
                                       android:src="@drawable/rootblock_icon_download_bg"/>
                               
                                        android:layout_
                                       android:layout_
                                       android:layout_marginTop="20dp"
                                       android:src="@drawable/rootblock_icon_clear_bg"/>
                               
                                        android:layout_
                                       android:layout_
                                       android:layout_marginTop="20dp"
                                       android:src="@drawable/rootblock_icon_set_bg"/>
                               
                                        android:layout_
                                       android:layout_
                                       android:layout_marginTop="20dp"
                                       android:src="@drawable/rootblock_icon_add_bg"/>
                        
                
    
从源码上看,分了左右两部分,左边使用LinearLayout进行嵌套,不过其宽度和高度都是108dp,固定的不好,如果是在Pad上面界面就不太和谐了,就要写几套布局来实现。
我重写改了一下,代码如下:
    android:layout_
    android:background="@drawable/rootblock_default_bg"
    android:paddingBottom="30dp"
    android:paddingLeft="20dp"
    android:paddingTop="30dp" >
    
        android:layout_
        android:layout_
        android:layout_alignParentBottom="true"
        android:layout_alignParentRight="true"
        android:orientation="vertical"
        android:paddingLeft="20dip"
        android:paddingRight="20dip" >
        
            android:layout_
            android:contentDescription="@string/app_name"
            android:src="@drawable/rootblock_icon_download_bg" />
        
            android:layout_
            android:layout_marginTop="20dp"
            android:contentDescription="@string/app_name"
            android:src="@drawable/rootblock_icon_clear_bg" />
        
            android:layout_
            android:layout_marginTop="20dp"
            android:contentDescription="@string/app_name"
            android:src="@drawable/rootblock_icon_set_bg" />
        
            android:layout_
            android:layout_marginTop="20dp"
            android:contentDescription="@string/app_name"
            android:src="@drawable/rootblock_icon_add_bg" />
    
    
        android:layout_
        android:layout_toLeftOf="@id/right"
        android:orientation="vertical" >
        
            android:layout_
            android:layout_weight="1"
            android:baselineAligned="false"
            android:orientation="horizontal" >
            
                android:layout_
                android:layout_weight="1"
                android:background="#FF7F24" >
            
            
                android:layout_
                android:layout_marginLeft="5dp"
                android:layout_weight="1"
                android:background="#FF7F24" >
            
        
        
            android:layout_
            android:layout_marginTop="5dp"
            android:layout_weight="1"
            android:orientation="horizontal" >
            
                android:layout_
                android:layout_weight="1"
                android:background="#3399ff" >
            
            
                android:layout_
                android:layout_marginLeft="5dp"
                android:layout_weight="1"
                android:background="#3399ff" >
            
        
        
            android:layout_
            android:layout_marginTop="5dp"
            android:layout_weight="1"
            android:baselineAligned="false"
            android:orientation="horizontal" >
            
                android:layout_
                android:layout_weight="1"
                android:background="#3399ff" >
            
            
                android:layout_
                android:layout_marginLeft="5dp"
                android:layout_weight="1"
                android:background="#3399ff" >
            
        
        
            android:layout_
            android:layout_marginTop="5dp"
            android:layout_weight="1"
            android:baselineAligned="false"
            android:orientation="horizontal" >
            
                android:layout_
                android:layout_weight="1"
                android:background="#953399ff" >
            
            
                android:layout_
                android:layout_marginLeft="5dp"
                android:layout_weight="1"
                android:background="#953399ff" >
            
        
        
            android:layout_
            android:layout_marginTop="5dp"
            android:layout_weight="1"
            android:baselineAligned="false"
            android:orientation="horizontal" >
        
    
采取分方式就是layout_weight嵌套,虽然这种方式官方不提倡,不过可以有很好的适应性。
自定义,实现仿win8磁贴功能我找到的这个源码效果很绚丽,自定义组件式通过继承ImageView来实现的,因为ImageView本身是有可以使用Matix进行缩放和旋转功能,缺点就是只能放图片,所以如果用这个源码你必须把主界面的模块布局用图片的形式展现,下面看看它的实现效果:
实现原理很简单,功能分为缩放和旋转,当点击中间区域实现缩放,点击两侧实现旋转,这个可以根据组件的宽度和高度以及点击的位置来判断,源码如下:
package com.ljp.ani;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Camera;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.PaintFlagsDrawFilter;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.Handler;
import android.os.Message;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.widget.ImageView;
@SuppressLint("HandlerLeak")
public class MagnetView extends ImageView {
        private boolean onAnimation = true;
        private int rotateDegree = 10;
        private PaintFlagsDrawFilter filter;
        private boolean isFirst = true;
        private float minScale = 0.95f;
        private int vWidth;
        private int vHeight;
        private boolean isFinish = true, isActionMove = false, isScale = false;
        private Camera camera;
        boolean XbigY = false;
        float RolateX = 0;
        float RolateY = 0;
        OnViewClick onclick = null;
        public MagnetView(Context context) {
                super(context);
                camera = new Camera();
                filter = new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG
                                | Paint.FILTER_BITMAP_FLAG);
        }
        public MagnetView(Context context, AttributeSet attrs) {
                super(context, attrs);
                camera = new Camera();
                filter = new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG
                                | Paint.FILTER_BITMAP_FLAG);
        }
        public void SetAnimationOnOff(boolean oo) {
                onAnimation = oo;
        }
        public void setOnClickIntent(OnViewClick onclick) {
                this.onclick = onclick;
        }
        @Override
        protected void onDraw(Canvas canvas) {
                super.onDraw(canvas);
                if (isFirst) {
                        isFirst = false;
                        init();
                }
                canvas.setDrawFilter(filter);
        }
        public void init() {
                vWidth = getWidth() - getPaddingLeft() - getPaddingRight();
                vHeight = getHeight() - getPaddingTop() - getPaddingBottom();
                Drawable drawable = getDrawable();
                BitmapDrawable bd = (BitmapDrawable) drawable;
                bd.setAntiAlias(true);
        }
        @Override
        public boolean onTouchEvent(MotionEvent event) {
                super.onTouchEvent(event);
                if (!onAnimation)
                        return true;
                switch (event.getAction() & MotionEvent.ACTION_MASK) {
                case MotionEvent.ACTION_DOWN:
                        float X = event.getX();
                        float Y = event.getY();
                        RolateX = vWidth / 2 - X;
                        RolateY = vHeight / 2 - Y;
                        XbigY = Math.abs(RolateX) > Math.abs(RolateY) ? true : false;
                        isScale = X > vWidth / 3 && X  vHeight / 3
                                        && Y                         isActionMove = false;
                        if (isScale) {
                                handler.sendEmptyMessage(1);
                        } else {
                                rolateHandler.sendEmptyMessage(1);
                        }
                        break;
                case MotionEvent.ACTION_MOVE:
                        float x = event.getX();
                        float y = event.getY();
                        if (x > vWidth || y > vHeight || x                                 isActionMove = true;
                        } else {
                                isActionMove = false;
                        }
                        break;
                case MotionEvent.ACTION_UP:
                        if (isScale) {
                                handler.sendEmptyMessage(6);
                        } else {
                                rolateHandler.sendEmptyMessage(6);
                        }
                        break;
                }
                return true;
        }
        public interface OnViewClick {
                public void onClick();
        }
        private Handler rolateHandler = new Handler() {
                private Matrix matrix = new Matrix();
                private float count = 0;
                @Override
                public void handleMessage(Message msg) {
                        super.handleMessage(msg);
                        matrix.set(getImageMatrix());
                        switch (msg.what) {
                        case 1:
                                count = 0;
                                BeginRolate(matrix, (XbigY ? count : 0), (XbigY ? 0 : count));
                                rolateHandler.sendEmptyMessage(2);
                                break;
                        case 2:
                                BeginRolate(matrix, (XbigY ? count : 0), (XbigY ? 0 : count));
                                if (count                                         rolateHandler.sendEmptyMessage(2);
                                } else {
                                        isFinish = true;
                                }
                                count++;
                                count++;
                                break;
                        case 3:
                                BeginRolate(matrix, (XbigY ? count : 0), (XbigY ? 0 : count));
                                if (count > 0) {
                                        rolateHandler.sendEmptyMessage(3);
                                } else {
                                        isFinish = true;
                                        if (!isActionMove && onclick != null) {
                                                onclick.onClick();
                                        }
                                }
                                count--;
                                count--;
                                break;
                        case 6:
                                count = getDegree();
                                BeginRolate(matrix, (XbigY ? count : 0), (XbigY ? 0 : count));
                                rolateHandler.sendEmptyMessage(3);
                                break;
                        }
                }
        };
        private synchronized void BeginRolate(Matrix matrix, float rolateX,
                        float rolateY) {
                int scaleX = (int) (vWidth * 0.5f);
                int scaleY = (int) (vHeight * 0.5f);
                camera.save();
                camera.rotateX(RolateY > 0 ? rolateY : -rolateY);
                camera.rotateY(RolateX                 camera.getMatrix(matrix);
                camera.restore();
                // 控制中心点
                if (RolateX > 0 && rolateX != 0) {
                        matrix.preTranslate(-vWidth, -scaleY);
                        matrix.postTranslate(vWidth, scaleY);
                } else if (RolateY > 0 && rolateY != 0) {
                        matrix.preTranslate(-scaleX, -vHeight);
                        matrix.postTranslate(scaleX, vHeight);
                } else if (RolateX                         matrix.preTranslate(-0, -scaleY);
                        matrix.postTranslate(0, scaleY);
                } else if (RolateY                         matrix.preTranslate(-scaleX, -0);
                        matrix.postTranslate(scaleX, 0);
                }
                setImageMatrix(matrix);
        }
        private Handler handler = new Handler() {
                private Matrix matrix = new Matrix();
                private float s;
                int count = 0;
                @Override
                public void handleMessage(Message msg) {
                        super.handleMessage(msg);
                        matrix.set(getImageMatrix());
                        switch (msg.what) {
                        case 1:
                                if (!isFinish) {
                                        return;
                                } else {
                                        isFinish = false;
                                        count = 0;
                                        s = (float) Math.sqrt(Math.sqrt(minScale));
                                        BeginScale(matrix, s);
                                        handler.sendEmptyMessage(2);
                                }
                                break;