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我在网上流传的代码基础上精简、整理出一个简单的类,我暂时把它命名为:Windows8TileImageView,即Windows 8磁贴(Tile)样式按钮,Windows8TileImageView其实就是继承于标准Android ImageView,单击该Windows8TileImageView有收缩、侧边收缩等比较有趣的效果。现在把 Windows8TileImageView这个类的全部代码贴出来:
package windows8.tile; 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; public class Windows8TileImageView 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 Windows8TileImageView(Context context) { super(context); camera = new Camera(); } public Windows8TileImageView(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 ? 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 ? 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 ? 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; } }
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:gravity="center" android:orientation="vertical" > <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="vertical" > <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" > <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="vertical" > <windows8.tile.Windows8TileImageView android:id="@+id/c_joke" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin="2dp" android:scaleType="matrix" android:src="@drawable/left_top" /> <windows8.tile.Windows8TileImageView android:id="@+id/c_idea" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin="2dp" android:scaleType="matrix" android:src="@drawable/left_bottom" /> </LinearLayout> <windows8.tile.Windows8TileImageView android:id="@+id/c_constellation" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin="2dp" android:scaleType="matrix" android:src="@drawable/right" /> </LinearLayout> <windows8.tile.Windows8TileImageView android:id="@+id/c_recommend" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin="2dp" android:scaleType="matrix" android:src="@drawable/bottom" /> </LinearLayout> </LinearLayout>
package windows8.tile; import android.support.v7.app.ActionBaractivity; import android.widget.Toast; import android.os.Bundle; public class MainActivity extends ActionBaractivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Windows8TileImageView joke = (Windows8TileImageView) findViewById(R.id.c_joke); // 为某一个磁贴添加点击事件的方式。 joke.setonClickIntent(new Windows8TileImageView.OnViewClick() { @Override public void onClick() { Toast.makeText(getApplicationContext(),"磁贴的点击事件",Toast.LENGTH_LONG).show(); } }); } }来自:http://blog.csdn.net/zhangphil/article/details/44957091
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