本文将要模仿win8界面的一个设计，一个一个的方块。方法很简单。这里自己把图片改改就可以成为自己想要的界面了。
1、首先来看看自定义的myimageview：
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package com.example.win8test; 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 myimageview extends imageview { public static final int rotate_handler_message_start = 1; public static final int rotate_handler_message_turning = 2; public static final int rotate_handler_message_turned = 3; public static final int rotate_handler_message_reverse = 6; public static final int scale_handler_message_start = 1; public static final int scale_handler_message_turning = 2; public static final int scale_handler_message_turned = 3; public static final int scale_handler_message_reverse = 6; private boolean isantialias = true; private boolean scaleonly = false; private boolean issizechanged = false; private boolean isshowanimation = true; private int rotatedegree = 10; private boolean isfirst = true; private float minscale = 0.95f; private int vwidth; private int vheight; private boolean isanimationfinish = true, isactionmove = false, isscale = false; private camera camera; boolean xbigy = false; float rolatex = 0; float rolatey = 0; onviewclick onclick = null; public myimageview(context context) { super(context); camera = new camera(); } public myimageview(context context, attributeset attrs) { super(context, attrs); camera = new camera(); } public void setanimationonoff(boolean oo) { isshowanimation = oo; } public void setonclickintent(onviewclick onclick) { this.onclick = onclick; } @suppresslint("drawallocation") @override protected void ondraw(canvas canvas) { super.ondraw(canvas); if (isfirst) { isfirst = false; init(); } canvas.setdrawfilter(new paintflagsdrawfilter(0, paint.anti_alias_flag | paint.filter_bitmap_flag)); } public void init() { vwidth = getwidth() - getpaddingleft() - getpaddingright(); vheight = getheight() - getpaddingtop() - getpaddingbottom(); drawable drawable = getdrawable(); bitmapdrawable bd = (bitmapdrawable) drawable; bd.setantialias(isantialias); } @override public boolean ontouchevent(motionevent event) { super.ontouchevent(event); if (!isshowanimation) 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 < vwidth * 2 / 3 && y > vheight / 3 && y < vheight * 2 / 3; isactionmove = false; if (isscale) { if (isanimationfinish && !issizechanged) { issizechanged = true; scale_handler.sendemptymessage(scale_handler_message_start); } } else { if (scaleonly) { scale_handler.sendemptymessage(scale_handler_message_start); } else { rotate_handler .sendemptymessage(rotate_handler_message_start); } } break; case motionevent.action_move: float x = event.getx(); float y = event.gety(); if (x > vwidth || y > vheight || x < 0 || y < 0) { isactionmove = true; } else { isactionmove = false; } break; case motionevent.action_up: if (isscale) { if (issizechanged) scale_handler .sendemptymessage(scale_handler_message_reverse); } else { rotate_handler.sendemptymessage(rotate_handler_message_reverse); } break; } return true; } public interface onviewclick { public void onclick(); } @suppresslint("handlerleak") private handler rotate_handler = new handler() { private matrix matrix = new matrix(); private float count = 0; // private boolean clickguolv = false; @override public void handlemessage(message msg) { super.handlemessage(msg); matrix.set(getimagematrix()); switch (msg.what) { case rotate_handler_message_start: count = 0; beginrotate(matrix, (xbigy ? count : 0), (xbigy ? 0 : count)); rotate_handler.sendemptymessage(rotate_handler_message_turning); break; case rotate_handler_message_turning: beginrotate(matrix, (xbigy ? count : 0), (xbigy ? 0 : count)); count++; if (count < getdegree()) { rotate_handler .sendemptymessage(rotate_handler_message_turning); } else { isanimationfinish = true; } break; case rotate_handler_message_turned: beginrotate(matrix, (xbigy ? count : 0), (xbigy ? 0 : count)); if (count > 0) { rotate_handler .sendemptymessage(rotate_handler_message_turned); } else { isanimationfinish = true; if (!isactionmove && onclick != null) { onclick.onclick(); } } count--; count--; break; case rotate_handler_message_reverse: count = getdegree(); beginrotate(matrix, (xbigy ? count : 0), (xbigy ? 0 : count)); rotate_handler.sendemptymessage(rotate_handler_message_turned); break; } } }; private synchronized void beginrotate(matrix matrix, float rotatex, float rotatey) { // bitmap bm = getimagebitmap(); int scalex = (int) (vwidth * 0.5f); int scaley = (int) (vheight * 0.5f); camera.save(); camera.rotatex(rolatey > 0 ? rotatey : -rotatey); camera.rotatey(rolatex < 0 ? rotatex : -rotatex); camera.getmatrix(matrix); camera.restore(); // 控制中心点 if (rolatex > 0 && rotatex != 0) { matrix.pretranslate(-vwidth, -scaley); matrix.posttranslate(vwidth, scaley); } else if (rolatey > 0 && rotatey != 0) { matrix.pretranslate(-scalex, -vheight); matrix.posttranslate(scalex, vheight); } else if (rolatex < 0 && rotatex != 0) { matrix.pretranslate(-0, -scaley); matrix.posttranslate(0, scaley); } else if (rolatey < 0 && rotatey != 0) { matrix.pretranslate(-scalex, -0); matrix.posttranslate(scalex, 0); } setimagematrix(matrix); } private handler scale_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 scale_handler_message_start: if (!isanimationfinish) { return; } else { isanimationfinish = false; issizechanged = true; count = 0; s = (float) math.sqrt(math.sqrt(minscale)); beginscale(matrix, s); scale_handler .sendemptymessage(scale_handler_message_turning); } break; case scale_handler_message_turning: beginscale(matrix, s); if (count < 4) { scale_handler .sendemptymessage(scale_handler_message_turning); } else { isanimationfinish = true; if (!issizechanged && !isactionmove && onclick != null) { onclick.onclick(); } } count++; break; case scale_handler_message_reverse: if (!isanimationfinish) { scale_handler .sendemptymessage(scale_handler_message_reverse); } else { isanimationfinish = false; count = 0; s = (float) math.sqrt(math.sqrt(1.0f / minscale)); beginscale(matrix, s); scale_handler .sendemptymessage(scale_handler_message_turning); issizechanged = false; } break; } } }; private synchronized void beginscale(matrix matrix, float scale) { int scalex = (int) (vwidth * 0.5f); int scaley = (int) (vheight * 0.5f); matrix.postscale(scale, scale, scalex, scaley); setimagematrix(matrix); } public int getdegree() { return rotatedegree; } public void setdegree(int degree) { rotatedegree = degree; } public float getscale() { return minscale; } public void setscale(float scale) { minscale = scale; } } |
2、下来，来看看布局
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<linearlayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@drawable/d" android:orientation="vertical" tools:context=".mainactivity" > <linearlayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" > <com.example.win8test.myimageview android:id="@+id/myimageview01" android:layout_width="108dp" android:layout_height="108dp" android:layout_margin="16dp" android:scaletype="matrix" android:src="@drawable/fen" /> <com.example.win8test.myimageview android:id="@+id/myimageview02" android:layout_width="108dp" android:layout_height="108dp" android:layout_margin="16dp" android:scaletype="matrix" android:src="@drawable/fen" /> </linearlayout> <linearlayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" > <com.example.win8test.myimageview android:id="@+id/myimageview03" android:layout_width="108dp" android:layout_height="108dp" android:layout_margin="16dp" android:scaletype="matrix" android:src="@drawable/fen" /> <com.example.win8test.myimageview android:id="@+id/myimageview04" android:layout_width="108dp" android:layout_height="108dp" android:layout_margin="16dp" android:scaletype="matrix" android:src="@drawable/fen" /> </linearlayout> <linearlayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" > <com.example.win8test.myimageview android:id="@+id/myimageview05" android:layout_width="108dp" android:layout_height="108dp" android:layout_margin="16dp" android:scaletype="matrix" android:src="@drawable/fen" /> <com.example.win8test.myimageview android:id="@+id/myimageview06" android:layout_width="108dp" android:layout_height="108dp" android:layout_margin="16dp" android:scaletype="matrix" android:src="@drawable/fen" /> </linearlayout> </linearlayout> |
3、上面的图片按钮的用法，这里只给一张图片按钮添加了事件：
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myimageview image_3d_1 = (myimageview)findviewbyid(r.id.myimageview01); image_3d_1.setonclickintent(new myimageview.onviewclick() { @override public void onclick() { toast.maketext(mainactivity.this, "clicked", 100) .show(); } }); |
4、效果
手指按在中间是缩小，手指按在边上是有角度的卷动
手指一直按着的时候，被按下的那个图像变小，并且手指一直按着移动，此时其它图片按钮不响应
希望本文所述对大家学习android软件编程有所帮助。
