├── .gitignore ├── LICENSE ├── README.md ├── build.gradle ├── gooview-app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ └── main │ ├── AndroidManifest.xml │ ├── java │ └── com │ │ └── example │ │ └── gooview │ │ ├── MainActivity.java │ │ ├── util │ │ ├── EvaluateUtil.java │ │ ├── GeometryUtil.java │ │ └── Utils.java │ │ └── view │ │ └── GooView.java │ └── res │ ├── layout │ └── activity_main.xml │ ├── mipmap-hdpi │ └── ic_launcher.png │ ├── mipmap-mdpi │ └── ic_launcher.png │ ├── mipmap-xhdpi │ └── ic_launcher.png │ ├── mipmap-xxhdpi │ └── ic_launcher.png │ ├── mipmap-xxxhdpi │ └── ic_launcher.png │ ├── values-w820dp │ └── dimens.xml │ └── values │ ├── colors.xml │ ├── dimens.xml │ ├── strings.xml │ └── styles.xml ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── settings.gradle └── website └── static └── screenshot.gif /.gitignore: -------------------------------------------------------------------------------- 1 | # built application files 2 | *.apk 3 | *.ap_ 4 | 5 | # files for the dex VM 6 | *.dex 7 | 8 | # Java class files 9 | *.class 10 | 11 | # generated files 12 | bin/ 13 | gen/ 14 | out/ 15 | 16 | # gradle files 17 | .gradle/ 18 | build/ 19 | 20 | # Local configuration file (sdk path, etc) 21 | local.properties 22 | 23 | # Eclipse project files 24 | .classpath 25 | .project 26 | 27 | # Proguard folder generated by Eclipse 28 | proguard/ 29 | 30 | # log files 31 | *.log 32 | 33 | # Android Studio Navigation editor temp files 34 | .navigation/ 35 | 36 | # Android Studio captures folder 37 | captures/ 38 | 39 | # Intellij project files 40 | *.iml 41 | *.ipr 42 | *.iws 43 | .idea/ 44 | 45 | # keystore files 46 | *.jks 47 | 48 | # External native build folder generated in Android Studio 2.2 and later 49 | .externalNativeBuild 50 | 51 | # Google Services (e.g. APIs or Firebase) 52 | google-services.json 53 | 54 | # Freeline 55 | freeline.py 56 | freeline/ 57 | freeline_project_description.json 58 | 59 | .DS_Store 60 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Permission is hereby granted, free of charge, to any person obtaining a copy 4 | of this software and associated documentation files (the "Software"), to deal 5 | in the Software without restriction, including without limitation the rights 6 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 | copies of the Software, and to permit persons to whom the Software is 8 | furnished to do so, subject to the following conditions: 9 | 10 | The above copyright notice and this permission notice shall be included in all 11 | copies or substantial portions of the Software. 12 | 13 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 19 | SOFTWARE. 20 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Android Gooview 2 | 3 | 一个自定义粘性控件，拖动GooView，在一定的范围内具有粘性效果，当超出范围时，GooView消失。 4 | 5 | # Sample usage 6 | 7 | A sample project which provides runnable code examples that demonstrate uses of the classes in this project is available in the gooview-app/ folder. 8 | 9 | # Preview 10 | 11 | ![](https://raw.githubusercontent.com/smartbetter/android-gooview/master/website/static/screenshot.gif) 12 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | // Top-level build file where you can add configuration options common to all sub-projects/modules. 2 | 3 | buildscript { 4 | repositories { 5 | jcenter() 6 | } 7 | dependencies { 8 | classpath 'com.android.tools.build:gradle:2.3.3' 9 | 10 | // NOTE: Do not place your application dependencies here; they belong 11 | // in the individual module build.gradle files 12 | } 13 | } 14 | 15 | allprojects { 16 | repositories { 17 | mavenCentral() 18 | jcenter() 19 | } 20 | } 21 | 22 | task clean(type: Delete) { 23 | delete rootProject.buildDir 24 | } 25 | -------------------------------------------------------------------------------- /gooview-app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /gooview-app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 25 5 | buildToolsVersion "25.0.3" 6 | 7 | defaultConfig { 8 | applicationId "com.example.gooview" 9 | minSdkVersion 15 10 | targetSdkVersion 25 11 | versionCode 1 12 | versionName "1.0" 13 | } 14 | buildTypes { 15 | release { 16 | minifyEnabled false 17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 18 | } 19 | } 20 | } 21 | 22 | dependencies { 23 | compile fileTree(dir: 'libs', include: ['*.jar']) 24 | compile 'com.android.support:appcompat-v7:25.3.1' 25 | testCompile 'junit:junit:4.12' 26 | 27 | compile 'com.nineoldandroids:library:2.4.0' 28 | } 29 | -------------------------------------------------------------------------------- /gooview-app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in /Users/macmini/Library/Android/sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /gooview-app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | -------------------------------------------------------------------------------- /gooview-app/src/main/java/com/example/gooview/MainActivity.java: -------------------------------------------------------------------------------- 1 | package com.example.gooview; 2 | 3 | import com.example.gooview.view.GooView; 4 | import com.example.gooview.view.GooView.OnReleaseListener; 5 | 6 | import android.app.Activity; 7 | import android.os.Bundle; 8 | import android.widget.Toast; 9 | 10 | public class MainActivity extends Activity { 11 | @Override 12 | protected void onCreate(Bundle savedInstanceState) { 13 | super.onCreate(savedInstanceState); 14 | GooView gooView = new GooView(this); 15 | gooView.setOnReleaseListener(new OnReleaseListener() { 16 | @Override 17 | public void onReset(boolean isOutOfRange) { 18 | Toast.makeText(getApplicationContext(), "返回原地.." + isOutOfRange, Toast.LENGTH_SHORT).show(); 19 | } 20 | @Override 21 | public void onDisappear() { 22 | Toast.makeText(getApplicationContext(), "消失了..", Toast.LENGTH_SHORT).show(); 23 | } 24 | }); 25 | setContentView(gooView); 26 | } 27 | } -------------------------------------------------------------------------------- /gooview-app/src/main/java/com/example/gooview/util/EvaluateUtil.java: -------------------------------------------------------------------------------- 1 | package com.example.gooview.util; 2 | 3 | import android.graphics.Rect; 4 | 5 | public class EvaluateUtil { 6 | /** 7 | * Integer 估值器 8 | * 9 | * @param fraction 10 | * @param startValue 11 | * @param endValue 12 | * @return 13 | */ 14 | public static Integer evaluateInt(float fraction, Integer startValue, Integer endValue) { 15 | int startInt = startValue; 16 | return (int) (startInt + fraction * (endValue - startInt)); 17 | } 18 | 19 | /** 20 | * Float 估值器 21 | * 22 | * @param fraction 23 | * @param startValue 24 | * @param endValue 25 | * @return 26 | */ 27 | public static Float evaluateFloat(float fraction, Number startValue, Number endValue) { 28 | float startFloat = startValue.floatValue(); 29 | return startFloat + fraction * (endValue.floatValue() - startFloat); 30 | } 31 | 32 | /** 33 | * Argb 估值器 34 | * 35 | * @param fraction 36 | * @param startValue 37 | * @param endValue 38 | * @return 39 | */ 40 | public static Object evaluateArgb(float fraction, Object startValue, Object endValue) { 41 | int startInt = (Integer) startValue; 42 | int startA = (startInt >> 24) & 0xff; 43 | int startR = (startInt >> 16) & 0xff; 44 | int startG = (startInt >> 8) & 0xff; 45 | int startB = startInt & 0xff; 46 | 47 | int endInt = (Integer) endValue; 48 | int endA = (endInt >> 24) & 0xff; 49 | int endR = (endInt >> 16) & 0xff; 50 | int endG = (endInt >> 8) & 0xff; 51 | int endB = endInt & 0xff; 52 | 53 | return (int) ((startA + (int) (fraction * (endA - startA))) << 24) 54 | | (int) ((startR + (int) (fraction * (endR - startR))) << 16) 55 | | (int) ((startG + (int) (fraction * (endG - startG))) << 8) 56 | | (int) ((startB + (int) (fraction * (endB - startB)))); 57 | } 58 | 59 | /** 60 | * Rect 估值器 61 | * @param fraction 62 | * @param startValue 63 | * @param endValue 64 | * @return 65 | */ 66 | public static Rect evaluateRect(float fraction, Rect startValue, Rect endValue) { 67 | return new Rect(startValue.left + (int)((endValue.left - startValue.left) * fraction), 68 | startValue.top + (int)((endValue.top - startValue.top) * fraction), 69 | startValue.right + (int)((endValue.right - startValue.right) * fraction), 70 | startValue.bottom + (int)((endValue.bottom - startValue.bottom) * fraction)); 71 | } 72 | } -------------------------------------------------------------------------------- /gooview-app/src/main/java/com/example/gooview/util/GeometryUtil.java: -------------------------------------------------------------------------------- 1 | package com.example.gooview.util; 2 | 3 | import android.graphics.PointF; 4 | 5 | /** 6 | * 几何图形工具 7 | */ 8 | public class GeometryUtil { 9 | 10 | /** 11 | * As meaning of method name. 12 | * 获得两点之间的距离 13 | * @param p0 14 | * @param p1 15 | * @return 16 | */ 17 | public static float getDistanceBetween2Points(PointF p0, PointF p1) { 18 | float distance = (float) Math.sqrt(Math.pow(p0.y - p1.y, 2) + Math.pow(p0.x - p1.x, 2)); 19 | return distance; 20 | } 21 | 22 | /** 23 | * Get middle point between p1 and p2. 24 | * 获得两点连线的中点 25 | * @param p1 26 | * @param p2 27 | * @return 28 | */ 29 | public static PointF getMiddlePoint(PointF p1, PointF p2) { 30 | return new PointF((p1.x + p2.x) / 2.0f, (p1.y + p2.y) / 2.0f); 31 | } 32 | 33 | /** 34 | * Get point between p1 and p2 by percent. 35 | * 根据百分比获取两点之间的某个点坐标 36 | * @param p1 37 | * @param p2 38 | * @param percent 39 | * @return 40 | */ 41 | public static PointF getPointByPercent(PointF p1, PointF p2, float percent) { 42 | return new PointF(evaluateValue(percent, p1.x , p2.x), evaluateValue(percent, p1.y , p2.y)); 43 | } 44 | 45 | /** 46 | * 根据分度值，计算从start到end中，fraction位置的值。fraction范围为0 -> 1 47 | * @param fraction 48 | * @param start 49 | * @param end 50 | * @return 51 | */ 52 | public static float evaluateValue(float fraction, Number start, Number end){ 53 | return start.floatValue() + (end.floatValue() - start.floatValue()) * fraction; 54 | } 55 | 56 | /** 57 | * Get the point of intersection between circle and line. 58 | * 获取 通过指定圆心，斜率为lineK的直线与圆的交点。 59 | * 60 | * @param pMiddle The circle center point. 61 | * @param radius The circle radius. 62 | * @param lineK The slope of line which cross the pMiddle. 63 | * @return 64 | */ 65 | public static PointF[] getIntersectionPoints(PointF pMiddle, float radius, Double lineK) { 66 | PointF[] points = new PointF[2]; 67 | 68 | float radian, xOffset = 0, yOffset = 0; 69 | if(lineK != null){ 70 | 71 | radian= (float) Math.atan(lineK); 72 | xOffset = (float) (Math.cos(radian) * radius); 73 | yOffset = (float) (Math.sin(radian) * radius); 74 | }else { 75 | xOffset = radius; 76 | yOffset = 0; 77 | } 78 | points[0] = new PointF(pMiddle.x + xOffset, pMiddle.y + yOffset); 79 | points[1] = new PointF(pMiddle.x - xOffset, pMiddle.y - yOffset); 80 | 81 | return points; 82 | } 83 | 84 | // /** 85 | // * Get the point of intersection between circle and line. 86 | // * 获取 通过指定圆心，斜率为lineK的直线与圆的交点。 87 | // * 88 | // * @param pMiddle The circle center point. 89 | // * @param radius The circle radius. 90 | // * @param lineK The slope of line which cross the pMiddle. 91 | // * @return 92 | // */ 93 | // public static PointF[] getIntersectionPoints(PointF pMiddle, float radius, Double lineK) { 94 | // PointF[] points = new PointF[2]; 95 | // 96 | // float radian, xOffset = 0, yOffset = 0; 97 | // if(lineK != null){ 98 | // radian= (float) Math.atan(lineK); 99 | // xOffset = (float) (Math.sin(radian) * radius); 100 | // yOffset = (float) (Math.cos(radian) * radius); 101 | // }else { 102 | // xOffset = radius; 103 | // yOffset = 0; 104 | // } 105 | // points[0] = new PointF(pMiddle.x + xOffset, pMiddle.y - yOffset); 106 | // points[1] = new PointF(pMiddle.x - xOffset, pMiddle.y + yOffset); 107 | // 108 | // return points; 109 | // } 110 | } -------------------------------------------------------------------------------- /gooview-app/src/main/java/com/example/gooview/util/Utils.java: -------------------------------------------------------------------------------- 1 | package com.example.gooview.util; 2 | 3 | import android.content.Context; 4 | import android.graphics.Rect; 5 | import android.support.v4.view.MotionEventCompat; 6 | import android.util.DisplayMetrics; 7 | import android.util.TypedValue; 8 | import android.view.MotionEvent; 9 | import android.view.View; 10 | import android.widget.Toast; 11 | 12 | public class Utils { 13 | 14 | private static Toast mToast; 15 | 16 | public static void showToast(Context mContext, String msg) { 17 | if (mToast == null) { 18 | mToast = Toast.makeText(mContext, "", Toast.LENGTH_SHORT); 19 | } 20 | mToast.setText(msg); 21 | mToast.show(); 22 | } 23 | 24 | /** 25 | * dip 转换成 px 26 | * @param dip 27 | * @param context 28 | * @return 29 | */ 30 | public static float dip2Dimension(float dip, Context context) { 31 | DisplayMetrics displayMetrics = context.getResources().getDisplayMetrics(); 32 | return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dip, displayMetrics); 33 | } 34 | /** 35 | * @param dip 36 | * @param context 37 | * @param complexUnit {@link TypedValue#COMPLEX_UNIT_DIP} {@link TypedValue#COMPLEX_UNIT_SP}} 38 | * @return 39 | */ 40 | public static float toDimension(float dip, Context context, int complexUnit) { 41 | DisplayMetrics displayMetrics = context.getResources().getDisplayMetrics(); 42 | return TypedValue.applyDimension(complexUnit, dip, displayMetrics); 43 | } 44 | 45 | /** 获取状态栏高度 46 | * @param v 47 | * @return 48 | */ 49 | public static int getStatusBarHeight(View v) { 50 | if (v == null) { 51 | return 0; 52 | } 53 | Rect frame = new Rect(); 54 | v.getWindowVisibleDisplayFrame(frame); 55 | return frame.top; 56 | } 57 | 58 | public static String getActionName(MotionEvent event) { 59 | String action = "unknow"; 60 | switch (MotionEventCompat.getActionMasked(event)) { 61 | case MotionEvent.ACTION_DOWN: 62 | action = "ACTION_DOWN"; 63 | break; 64 | case MotionEvent.ACTION_MOVE: 65 | action = "ACTION_MOVE"; 66 | break; 67 | case MotionEvent.ACTION_UP: 68 | action = "ACTION_UP"; 69 | break; 70 | case MotionEvent.ACTION_CANCEL: 71 | action = "ACTION_CANCEL"; 72 | break; 73 | case MotionEvent.ACTION_SCROLL: 74 | action = "ACTION_SCROLL"; 75 | break; 76 | case MotionEvent.ACTION_OUTSIDE: 77 | action = "ACTION_SCROLL"; 78 | break; 79 | default: 80 | break; 81 | } 82 | return action; 83 | } 84 | } -------------------------------------------------------------------------------- /gooview-app/src/main/java/com/example/gooview/view/GooView.java: -------------------------------------------------------------------------------- 1 | package com.example.gooview.view; 2 | 3 | import android.content.Context; 4 | import android.graphics.Canvas; 5 | import android.graphics.Color; 6 | import android.graphics.Paint; 7 | import android.graphics.Paint.Style; 8 | import android.graphics.Path; 9 | import android.graphics.PointF; 10 | import android.util.AttributeSet; 11 | import android.view.MotionEvent; 12 | import android.view.View; 13 | import android.view.animation.OvershootInterpolator; 14 | 15 | import com.example.gooview.util.EvaluateUtil; 16 | import com.example.gooview.util.GeometryUtil; 17 | import com.example.gooview.util.Utils; 18 | import com.nineoldandroids.animation.Animator; 19 | import com.nineoldandroids.animation.AnimatorListenerAdapter; 20 | import com.nineoldandroids.animation.ValueAnimator; 21 | import com.nineoldandroids.animation.ValueAnimator.AnimatorUpdateListener; 22 | 23 | public class GooView extends View { 24 | 25 | private Paint mPaint; 26 | 27 | public GooView(Context context) { 28 | this(context, null); 29 | } 30 | 31 | public GooView(Context context, AttributeSet attrs) { 32 | this(context, attrs, 0); 33 | } 34 | 35 | public GooView(Context context, AttributeSet attrs, int defStyleAttr) { 36 | super(context, attrs, defStyleAttr); 37 | init(); 38 | } 39 | 40 | private void init() { 41 | mPaint = new Paint(Paint.ANTI_ALIAS_FLAG); 42 | // mPaint.setAntiAlias(true); 43 | mPaint.setColor(Color.RED); 44 | mPath = new Path(); 45 | } 46 | 47 | PointF mDragCenter = new PointF(300f, 300f); //拖拽小球圆心的初始位置 48 | float mDragRadius = 20f; //拖拽小球半径 49 | PointF[] mDragPoints = new PointF[] { new PointF(50f, 250f), new PointF(50f, 350f) }; 50 | PointF[] mStickPoints = new PointF[] { new PointF(250f, 250f), new PointF(250f, 350f) }; 51 | PointF mControlPoint = new PointF(150f, 300f); 52 | PointF mStickCenter = new PointF(300f, 300f); //外圆圆心位置 53 | float mStickRadius = 15f; 54 | private Path mPath; 55 | private int mStatusBarHeight; 56 | private int mFarthestDistance = 200; //外圆半径 57 | private boolean mIsOutOfRange; 58 | private boolean mIsDisappear; 59 | public interface OnReleaseListener { 60 | void onDisappear(); 61 | void onReset(boolean isOutOfRange); 62 | } 63 | private OnReleaseListener mOnReleaseListener; 64 | 65 | public OnReleaseListener getOnReleaseListener() { 66 | return mOnReleaseListener; 67 | } 68 | 69 | public void setOnReleaseListener(OnReleaseListener onReleaseListener) { 70 | mOnReleaseListener = onReleaseListener; 71 | } 72 | 73 | @Override 74 | protected void onDraw(Canvas canvas) { 75 | super.onDraw(canvas); 76 | // 保存画布状态 77 | canvas.save(); 78 | // 移动画布 79 | canvas.translate(0, -mStatusBarHeight); 80 | if (!mIsDisappear) { 81 | if (!mIsOutOfRange) { 82 | float tempStickRadius = updateStickRadius(); 83 | // 画连接部分 84 | float dy = mStickCenter.y - mDragCenter.y; 85 | float dx = mStickCenter.x - mDragCenter.x; 86 | Double lineK = null; 87 | if (dx != 0f) { 88 | // 圆心连线斜率 89 | lineK = (double) (dy / dx); 90 | } 91 | Double lineK2 = null; 92 | // 计算与圆心连线垂直的直线的斜率 93 | if (lineK == null) { 94 | lineK2 = 0.0; 95 | } else if (lineK == 0.0) { 96 | lineK2 = null; 97 | } else { 98 | lineK2 = -1.0 / lineK; 99 | } 100 | mStickPoints = GeometryUtil.getIntersectionPoints(mStickCenter, tempStickRadius, 101 | lineK2); 102 | mDragPoints = GeometryUtil.getIntersectionPoints(mDragCenter, mDragRadius, lineK2); 103 | mControlPoint = GeometryUtil.getMiddlePoint(mDragCenter, mStickCenter); 104 | // Path表示一条路径 105 | // 重置路径 106 | mPath.reset(); 107 | // 移动到某个点 108 | mPath.moveTo(mStickPoints[0].x, mStickPoints[0].y); 109 | // 画二阶贝塞尔曲线 110 | mPath.quadTo(mControlPoint.x, mControlPoint.y, mDragPoints[0].x, mDragPoints[0].y); 111 | // 画线段 112 | mPath.lineTo(mDragPoints[1].x, mDragPoints[1].y); 113 | mPath.quadTo(mControlPoint.x, mControlPoint.y, mStickPoints[1].x, mStickPoints[1].y); 114 | // 封闭曲线 115 | mPath.close(); 116 | canvas.drawPath(mPath, mPaint); 117 | // 画固定圆 118 | 119 | canvas.drawCircle(mStickCenter.x, mStickCenter.y, tempStickRadius, mPaint); 120 | } 121 | // 画拖拽圆 122 | canvas.drawCircle(mDragCenter.x, mDragCenter.y, mDragRadius, mPaint); 123 | } 124 | 125 | mPaint.setStyle(Style.STROKE); 126 | canvas.drawCircle(mStickCenter.x, mStickCenter.y, mFarthestDistance, mPaint); 127 | mPaint.setStyle(Style.FILL); 128 | // 恢复画布 129 | canvas.restore(); 130 | } 131 | 132 | private float updateStickRadius() { 133 | // 14f, 8f 134 | float distance = GeometryUtil.getDistanceBetween2Points(mDragCenter, mStickCenter); 135 | distance = Math.min(distance, mFarthestDistance); 136 | float percent = distance * 1.0f / mFarthestDistance; 137 | return EvaluateUtil.evaluateFloat(percent, 14f, 8f); 138 | } 139 | 140 | @Override 141 | public boolean onTouchEvent(MotionEvent event) { 142 | float rawX; 143 | float rawY; 144 | switch (event.getAction()) { 145 | case MotionEvent.ACTION_DOWN: 146 | mIsOutOfRange = false; 147 | mIsDisappear = false; 148 | rawX = event.getRawX(); 149 | rawY = event.getRawY(); 150 | updateDragCenter(rawX, rawY); 151 | break; 152 | case MotionEvent.ACTION_MOVE: 153 | rawX = event.getRawX(); 154 | rawY = event.getRawY(); 155 | float distance = GeometryUtil.getDistanceBetween2Points(mDragCenter, mStickCenter); 156 | if (distance > mFarthestDistance) { 157 | // 断开 158 | mIsOutOfRange = true; 159 | invalidate(); 160 | } 161 | updateDragCenter(rawX, rawY); 162 | break; 163 | case MotionEvent.ACTION_UP: 164 | if (mIsOutOfRange) { 165 | // 拖拽过程超出范围 166 | float distanceUp = GeometryUtil 167 | .getDistanceBetween2Points(mDragCenter, mStickCenter); 168 | if (distanceUp > mFarthestDistance) { 169 | // 消失 170 | mIsDisappear = true; 171 | invalidate(); 172 | if(mOnReleaseListener != null) { 173 | mOnReleaseListener.onDisappear(); 174 | } 175 | } else { 176 | updateDragCenter(mStickCenter.x, mStickCenter.y); 177 | if(mOnReleaseListener != null) { 178 | mOnReleaseListener.onReset(mIsOutOfRange); 179 | } 180 | } 181 | } else { 182 | // 拖拽过程没超出范围 183 | final PointF startPoint = new PointF(mDragCenter.x, mDragCenter.y); 184 | ValueAnimator animator = ValueAnimator.ofFloat(1.0f); 185 | animator.addUpdateListener(new AnimatorUpdateListener() { 186 | @Override 187 | public void onAnimationUpdate(ValueAnimator animator) { 188 | float percent = animator.getAnimatedFraction(); 189 | PointF pointByPercent = GeometryUtil.getPointByPercent(startPoint, 190 | mStickCenter, percent); 191 | updateDragCenter(pointByPercent.x, pointByPercent.y); 192 | } 193 | }); 194 | // BaseXxx, SimpleXxx 195 | animator.addListener(new AnimatorListenerAdapter() { 196 | @Override 197 | public void onAnimationEnd(Animator animation) { 198 | super.onAnimationEnd(animation); 199 | if(mOnReleaseListener != null) { 200 | mOnReleaseListener.onReset(mIsOutOfRange); 201 | } 202 | } 203 | }); 204 | animator.setDuration(500); 205 | animator.setInterpolator(new OvershootInterpolator(4.0f)); 206 | animator.start(); 207 | 208 | } 209 | break; 210 | default: 211 | break; 212 | } 213 | return true; 214 | } 215 | 216 | private void updateDragCenter(float x, float y) { 217 | mDragCenter.set(x, y); 218 | invalidate(); 219 | } 220 | 221 | @Override 222 | protected void onSizeChanged(int w, int h, int oldw, int oldh) { 223 | super.onSizeChanged(w, h, oldw, oldh); 224 | mStatusBarHeight = Utils.getStatusBarHeight(this); 225 | } 226 | } -------------------------------------------------------------------------------- /gooview-app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 11 | 12 | 16 | 17 | 18 | -------------------------------------------------------------------------------- /gooview-app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jopengroup/android-gooview/0b73f9b3b66d1001454b036bfa1b1f474641d6d7/gooview-app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /gooview-app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jopengroup/android-gooview/0b73f9b3b66d1001454b036bfa1b1f474641d6d7/gooview-app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /gooview-app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jopengroup/android-gooview/0b73f9b3b66d1001454b036bfa1b1f474641d6d7/gooview-app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /gooview-app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jopengroup/android-gooview/0b73f9b3b66d1001454b036bfa1b1f474641d6d7/gooview-app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /gooview-app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jopengroup/android-gooview/0b73f9b3b66d1001454b036bfa1b1f474641d6d7/gooview-app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /gooview-app/src/main/res/values-w820dp/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 64dp 6 | 7 | -------------------------------------------------------------------------------- /gooview-app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #3F51B5 4 | #303F9F 5 | #FF4081 6 | 7 | -------------------------------------------------------------------------------- /gooview-app/src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 40dp 4 | 40dp 5 | 6 | -------------------------------------------------------------------------------- /gooview-app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | gooview 3 | 4 | -------------------------------------------------------------------------------- /gooview-app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | 3 | # IDE (e.g. Android Studio) users: 4 | # Gradle settings configured through the IDE *will override* 5 | # any settings specified in this file. 6 | 7 | # For more details on how to configure your build environment visit 8 | # http://www.gradle.org/docs/current/userguide/build_environment.html 9 | 10 | # Specifies the JVM arguments used for the daemon process. 11 | # The setting is particularly useful for tweaking memory settings. 12 | # Default value: -Xmx10248m -XX:MaxPermSize=256m 13 | # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 14 | 15 | # When configured, Gradle will run in incubating parallel mode. 16 | # This option should only be used with decoupled projects. More details, visit 17 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 18 | # org.gradle.parallel=true -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jopengroup/android-gooview/0b73f9b3b66d1001454b036bfa1b1f474641d6d7/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Mon Mar 13 10:32:12 CST 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip 7 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env bash 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 10 | DEFAULT_JVM_OPTS="" 11 | 12 | APP_NAME="Gradle" 13 | APP_BASE_NAME=`basename "$0"` 14 | 15 | # Use the maximum available, or set MAX_FD != -1 to use that value. 16 | MAX_FD="maximum" 17 | 18 | warn ( ) { 19 | echo "$*" 20 | } 21 | 22 | die ( ) { 23 | echo 24 | echo "$*" 25 | echo 26 | exit 1 27 | } 28 | 29 | # OS specific support (must be 'true' or 'false'). 30 | cygwin=false 31 | msys=false 32 | darwin=false 33 | case "`uname`" in 34 | CYGWIN* ) 35 | cygwin=true 36 | ;; 37 | Darwin* ) 38 | darwin=true 39 | ;; 40 | MINGW* ) 41 | msys=true 42 | ;; 43 | esac 44 | 45 | # Attempt to set APP_HOME 46 | # Resolve links: $0 may be a link 47 | PRG="$0" 48 | # Need this for relative symlinks. 49 | while [ -h "$PRG" ] ; do 50 | ls=`ls -ld "$PRG"` 51 | link=`expr "$ls" : '.*-> \(.*\)$'` 52 | if expr "$link" : '/.*' > /dev/null; then 53 | PRG="$link" 54 | else 55 | PRG=`dirname "$PRG"`"/$link" 56 | fi 57 | done 58 | SAVED="`pwd`" 59 | cd "`dirname \"$PRG\"`/" >/dev/null 60 | APP_HOME="`pwd -P`" 61 | cd "$SAVED" >/dev/null 62 | 63 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 64 | 65 | # Determine the Java command to use to start the JVM. 66 | if [ -n "$JAVA_HOME" ] ; then 67 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 68 | # IBM's JDK on AIX uses strange locations for the executables 69 | JAVACMD="$JAVA_HOME/jre/sh/java" 70 | else 71 | JAVACMD="$JAVA_HOME/bin/java" 72 | fi 73 | if [ ! -x "$JAVACMD" ] ; then 74 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 75 | 76 | Please set the JAVA_HOME variable in your environment to match the 77 | location of your Java installation." 78 | fi 79 | else 80 | JAVACMD="java" 81 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 82 | 83 | Please set the JAVA_HOME variable in your environment to match the 84 | location of your Java installation." 85 | fi 86 | 87 | # Increase the maximum file descriptors if we can. 88 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then 89 | MAX_FD_LIMIT=`ulimit -H -n` 90 | if [ $? -eq 0 ] ; then 91 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 92 | MAX_FD="$MAX_FD_LIMIT" 93 | fi 94 | ulimit -n $MAX_FD 95 | if [ $? -ne 0 ] ; then 96 | warn "Could not set maximum file descriptor limit: $MAX_FD" 97 | fi 98 | else 99 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 100 | fi 101 | fi 102 | 103 | # For Darwin, add options to specify how the application appears in the dock 104 | if $darwin; then 105 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 106 | fi 107 | 108 | # For Cygwin, switch paths to Windows format before running java 109 | if $cygwin ; then 110 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 111 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 112 | JAVACMD=`cygpath --unix "$JAVACMD"` 113 | 114 | # We build the pattern for arguments to be converted via cygpath 115 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 116 | SEP="" 117 | for dir in $ROOTDIRSRAW ; do 118 | ROOTDIRS="$ROOTDIRS$SEP$dir" 119 | SEP="|" 120 | done 121 | OURCYGPATTERN="(^($ROOTDIRS))" 122 | # Add a user-defined pattern to the cygpath arguments 123 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 124 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 125 | fi 126 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 127 | i=0 128 | for arg in "$@" ; do 129 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 130 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 131 | 132 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 133 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 134 | else 135 | eval `echo args$i`="\"$arg\"" 136 | fi 137 | i=$((i+1)) 138 | done 139 | case $i in 140 | (0) set -- ;; 141 | (1) set -- "$args0" ;; 142 | (2) set -- "$args0" "$args1" ;; 143 | (3) set -- "$args0" "$args1" "$args2" ;; 144 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 145 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 146 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 147 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 148 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 149 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 150 | esac 151 | fi 152 | 153 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules 154 | function splitJvmOpts() { 155 | JVM_OPTS=("$@") 156 | } 157 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS 158 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" 159 | 160 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" 161 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 12 | set DEFAULT_JVM_OPTS= 13 | 14 | set DIRNAME=%~dp0 15 | if "%DIRNAME%" == "" set DIRNAME=. 16 | set APP_BASE_NAME=%~n0 17 | set APP_HOME=%DIRNAME% 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windowz variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | if "%@eval[2+2]" == "4" goto 4NT_args 53 | 54 | :win9xME_args 55 | @rem Slurp the command line arguments. 56 | set CMD_LINE_ARGS= 57 | set _SKIP=2 58 | 59 | :win9xME_args_slurp 60 | if "x%~1" == "x" goto execute 61 | 62 | set CMD_LINE_ARGS=%* 63 | goto execute 64 | 65 | :4NT_args 66 | @rem Get arguments from the 4NT Shell from JP Software 67 | set CMD_LINE_ARGS=%$ 68 | 69 | :execute 70 | @rem Setup the command line 71 | 72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if "%ERRORLEVEL%"=="0" goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 85 | exit /b 1 86 | 87 | :mainEnd 88 | if "%OS%"=="Windows_NT" endlocal 89 | 90 | :omega 91 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':gooview-app' 2 | -------------------------------------------------------------------------------- /website/static/screenshot.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jopengroup/android-gooview/0b73f9b3b66d1001454b036bfa1b1f474641d6d7/website/static/screenshot.gif --------------------------------------------------------------------------------