Java tutorial
/* * Copyright (C) 2015 Quinn Chen * * 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 cn.com.hgh.view; import cn.com.hgh.utils.AbViewUtil; import com.xizhi.mezone.b.R; import android.animation.Animator; import android.animation.AnimatorListenerAdapter; import android.animation.ValueAnimator; import android.animation.ValueAnimator.AnimatorUpdateListener; import android.annotation.TargetApi; import android.content.Context; import android.content.res.TypedArray; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Rect; import android.graphics.RectF; import android.os.Build; import android.os.Bundle; import android.os.Looper; import android.os.Parcelable; import android.support.v4.view.MotionEventCompat; import android.util.AttributeSet; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.View; import android.view.animation.AccelerateDecelerateInterpolator; import android.widget.TextView; @TargetApi(Build.VERSION_CODES.HONEYCOMB) public class SlideSwitch extends View { public static final int SHAPE_RECT = 1; public static final int SHAPE_CIRCLE = 2; private static final int RIM_SIZE = 6; private static final int DEFAULT_COLOR_THEME = Color.parseColor("#ff00ee00"); // 3 attributes private int color_theme; private boolean isOpen; private int shape; // varials of drawing private Paint paint; private Rect backRect; private Rect frontRect; private RectF frontCircleRect; private RectF backCircleRect; private int alpha; private int alpha1; private int max_left; private int min_left; private int frontRect_left; private int frontRect_left_begin = RIM_SIZE; private int eventStartX; private int eventLastX; private int diffX = 0; private boolean slideable = true; private SlideListener listener; private TextView textView; private Context context; EasyDialog ers; boolean toRight; int width; public interface SlideListener { public void open(); public void setUpDate(); public void close(); } public SlideSwitch(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); listener = null; paint = new Paint(); paint.setAntiAlias(true); TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.slideswitch); color_theme = a.getColor(R.styleable.slideswitch_themeColor, DEFAULT_COLOR_THEME); isOpen = a.getBoolean(R.styleable.slideswitch_isOpen, false); shape = a.getInt(R.styleable.slideswitch_shape1, SHAPE_RECT); a.recycle(); } public SlideSwitch(Context context, AttributeSet attrs) { this(context, attrs, 0); } public SlideSwitch(Context context) { this(context, null); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { super.onMeasure(widthMeasureSpec, heightMeasureSpec); int width = measureDimension(280, widthMeasureSpec); int height = measureDimension(140, heightMeasureSpec); if (shape == SHAPE_CIRCLE) { if (width < height) width = height * 2; } setMeasuredDimension(width, height); initDrawingVal(); } public void initDrawingVal() { width = getMeasuredWidth(); int height = getMeasuredHeight(); backCircleRect = new RectF(); frontCircleRect = new RectF(); frontRect = new Rect(); backRect = new Rect(0, 0, width, height); min_left = RIM_SIZE; max_left = width / 2; if (isOpen) { frontRect_left = max_left; alpha = 255; alpha1 = 0; } else { frontRect_left = RIM_SIZE; alpha = 0; alpha1 = 255; } frontRect_left_begin = frontRect_left; } public int measureDimension(int defaultSize, int measureSpec) { int result; int specMode = MeasureSpec.getMode(measureSpec); int specSize = MeasureSpec.getSize(measureSpec); if (specMode == MeasureSpec.EXACTLY) { result = specSize; } else { result = defaultSize; // UNSPECIFIED if (specMode == MeasureSpec.AT_MOST) { result = Math.min(result, specSize); } } return result; } @Override protected void onDraw(Canvas canvas) { if (shape == SHAPE_RECT) { // paint.setColor(Color.GRAY); paint.setColor(0xffededed);// canvas.drawRect(backRect, paint); paint.setColor(color_theme); paint.setAlpha(alpha); canvas.drawRect(backRect, paint); frontRect.set(frontRect_left, RIM_SIZE, frontRect_left + getMeasuredWidth() / 2 - RIM_SIZE, getMeasuredHeight() - RIM_SIZE); paint.setColor(Color.WHITE); canvas.drawRect(frontRect, paint); } else { int radius; radius = backRect.height() / 2 - RIM_SIZE; // paint.setColor(Color.GRAY);// paint.setColor(0xffededed);// backCircleRect.set(backRect); canvas.drawRoundRect(backCircleRect, radius, radius, paint); paint.setColor(Color.BLACK); paint.setTextSize(AbViewUtil.sp2px(getContext(), 15)); // paint.setAlpha(alpha); frontRect.set(frontRect_left, RIM_SIZE, frontRect_left + getMeasuredWidth() / 2 - RIM_SIZE, getMeasuredHeight() - RIM_SIZE); frontCircleRect.set(frontRect); paint.setColor(Color.WHITE); canvas.drawRoundRect(frontCircleRect, radius, radius, paint); if (isOpen) { // canvas.drawText("?", radius, radius + 23, paint);// paint.setColor(Color.BLACK); paint.setTextAlign(Paint.Align.CENTER); canvas.drawText("?", width / 4 - RIM_SIZE, radius + 23, paint);// } else { // canvas.drawText("?", getMeasuredWidth() - radius - 40 * 3,radius + 23, paint); paint.setColor(Color.BLACK); paint.setTextAlign(Paint.Align.CENTER); canvas.drawText("?", width - frontCircleRect.width() / 2 - RIM_SIZE, radius + 23, paint); } if (isOpen) { paint.setColor(0xff14c4c4); paint.setTextAlign(Paint.Align.CENTER); paint.getTextBounds("?", 0, "?".length(), frontRect); paint.setTextSize(AbViewUtil.sp2px(getContext(), 15)); // paint.setAlpha(alpha1); // canvas.drawText("?", getMeasuredWidth() - radius - 40 * 3,radius + 23, paint); canvas.drawText("?", frontCircleRect.centerX(), radius + 23, paint); } else { paint.setColor(0xff14c4c4); paint.setTextAlign(Paint.Align.CENTER); paint.getTextBounds("?", 0, "?".length(), frontRect); paint.setTextSize(AbViewUtil.sp2px(getContext(), 15)); // paint.setAlpha(alpha1); // canvas.drawText("?", radius, radius + 23, paint); canvas.drawText("?", frontCircleRect.centerX(), radius + 23, paint); } } } @Override public boolean onTouchEvent(MotionEvent event) { if (slideable == false) return super.onTouchEvent(event); int action = MotionEventCompat.getActionMasked(event); switch (action) { case MotionEvent.ACTION_DOWN: eventStartX = (int) event.getRawX(); break; case MotionEvent.ACTION_MOVE: // eventLastX = (int) event.getRawX(); // diffX = eventLastX - eventStartX; // int tempX = diffX + frontRect_left_begin; // tempX = (tempX > max_left ? max_left : tempX); // tempX = (tempX < min_left ? min_left : tempX); // if (tempX >= min_left && tempX <= max_left) { // frontRect_left = tempX; // alpha = (int) (255 * (float) tempX / (float) max_left); // invalidateView(); // } break; case MotionEvent.ACTION_UP: int wholeX = (int) (event.getRawX() - eventStartX); frontRect_left_begin = frontRect_left; toRight = (frontRect_left_begin > max_left / 2 ? true : false); if (Math.abs(wholeX) < 3) { toRight = !toRight; } //x?? float eventx = event.getX(); if (isOpen) { //? if (eventx < width / 2) { // switchBusinessStatus(); switchStatus(); } } else { //? if (eventx > width / 2) { // switchBusinessStatus(); switchStatus(); } } break; default: break; } return true; } /** * draw again */ private void invalidateView() { if (Looper.getMainLooper() == Looper.myLooper()) { invalidate(); } else { postInvalidate(); } } public void setSlideListener(SlideListener listener) { this.listener = listener; } public void moveToDest(final boolean toRight) { ValueAnimator toDestAnim = ValueAnimator.ofInt(frontRect_left, toRight ? max_left : min_left); toDestAnim.setDuration(500); toDestAnim.setInterpolator(new AccelerateDecelerateInterpolator()); // toDestAnim.start(); toDestAnim.addUpdateListener(new AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator animation) { // frontRect_left = (Integer) animation.getAnimatedValue(); // alpha = (int) (255 * (float) frontRect_left / (float) max_left); // invalidateView(); } }); toDestAnim.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { if (toRight) { isOpen = true; if (listener != null) listener.open(); frontRect_left_begin = max_left; } else { isOpen = false; if (listener != null) listener.close(); frontRect_left_begin = min_left; } } }); } public void setState(boolean isOpen) { this.isOpen = isOpen; initDrawingVal(); invalidateView(); if (listener != null) if (isOpen == true) { listener.open(); } else { listener.close(); } } public void setContext(Context context) { this.context = context; } public void setShapeType(int shapeType) { this.shape = shapeType; } public void setSlideable(boolean slideable) { this.slideable = slideable; } @Override protected void onRestoreInstanceState(Parcelable state) { if (state instanceof Bundle) { Bundle bundle = (Bundle) state; this.isOpen = bundle.getBoolean("isOpen"); state = bundle.getParcelable("instanceState"); } super.onRestoreInstanceState(state); } @Override protected Parcelable onSaveInstanceState() { Bundle bundle = new Bundle(); bundle.putParcelable("instanceState", super.onSaveInstanceState()); bundle.putBoolean("isOpen", this.isOpen); return bundle; } protected void switchStatus() { DialogCommon dialogCommon = new DialogCommon(context) { @Override public void onCheckClick() { dismiss(); } @Override public void onOkClick() { listener.setUpDate(); moveToDest(toRight); dismiss(); } }; dialogCommon.setTextTitle("???"); dialogCommon.setTv_dialog_common_ok(""); dialogCommon.setTv_dialog_common_cancel("?"); dialogCommon.show(); } protected void switchBusinessStatus() { View layout = LayoutInflater.from(context).inflate(R.layout.dialog_delete, null); TextView tv_dialogtext = (TextView) layout.findViewById(R.id.tv_dialogtext); TextView tv_delete_cancle = (TextView) layout.findViewById(R.id.tv_delete_cancle); TextView tv_delete_ok = (TextView) layout.findViewById(R.id.tv_delete_ok); tv_dialogtext.setText("???"); ers = showDioag(this, layout); tv_delete_cancle.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { ers.dismiss(); } }); tv_delete_ok.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { listener.setUpDate(); moveToDest(toRight); ers.dismiss(); } }); } private EasyDialog showDioag(View arg1, View layout) { EasyDialog es = new EasyDialog(context).setLayout(layout) .setBackgroundColor(context.getResources().getColor(R.color.white)).setLocationByAttachedView(arg1) .setAnimationTranslationShow(EasyDialog.DIRECTION_Y, 1000, -AbViewUtil.dip2px(context, 1000), 100, -50, 50, 0) .setAnimationTranslationDismiss(EasyDialog.DIRECTION_Y, 500, 0, -AbViewUtil.dip2px(context, 1000)) .setGravity(EasyDialog.GRAVITY_TOP).setTouchOutsideDismiss(true).setMatchParent(false) .setMarginLeftAndRight(24, 24).setOutsideColor(context.getResources().getColor(R.color.color_8000)) .show(); return es; } }