├── .gitignore ├── .idea ├── .name ├── compiler.xml ├── copyright │ └── profiles_settings.xml ├── encodings.xml ├── gradle.xml ├── misc.xml ├── modules.xml └── runConfigurations.xml ├── README.md ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── tgithubc │ │ └── view │ │ └── ApplicationTest.java │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── com │ │ │ └── tgithubc │ │ │ └── view │ │ │ ├── MainActivity.java │ │ │ └── musicnote │ │ │ ├── BezierEvaluator.java │ │ │ ├── CircleMusicView.java │ │ │ ├── MusicalNoteLayout.java │ │ │ └── util │ │ │ ├── DPPXUtil.java │ │ │ └── WeakWrapperHandler.java │ └── res │ │ ├── layout │ │ └── activity_main.xml │ │ ├── mipmap-hdpi │ │ └── ic_launcher.png │ │ ├── mipmap-mdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xhdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xxhdpi │ │ ├── douyin.png │ │ ├── ic_launcher.png │ │ ├── note1.png │ │ └── note2.png │ │ ├── mipmap-xxxhdpi │ │ └── ic_launcher.png │ │ ├── values-w820dp │ │ └── dimens.xml │ │ └── values │ │ ├── attr.xml │ │ ├── colors.xml │ │ ├── dimens.xml │ │ ├── ids.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── com │ └── tgithubc │ └── view │ └── ExampleUnitTest.java ├── build.gradle ├── gif └── 1.gif ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/workspace.xml 5 | /.idea/libraries 6 | .DS_Store 7 | /build 8 | /captures 9 | .externalNativeBuild -------------------------------------------------------------------------------- /.idea/.name: -------------------------------------------------------------------------------- 1 | DouYinMusicView -------------------------------------------------------------------------------- /.idea/compiler.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /.idea/copyright/profiles_settings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | -------------------------------------------------------------------------------- /.idea/encodings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 22 | 23 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 16 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 43 | -------------------------------------------------------------------------------- /.idea/modules.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /.idea/runConfigurations.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 11 | 12 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # DouYinMusicView 2 | 3 | 模仿抖音右下角的控件 4 | 5 | 效果图: 6 | ![image](https://github.com/tgithubc/DouYinMusicView/blob/master/gif/1.gif) 7 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 26 5 | buildToolsVersion "26.0.2" 6 | 7 | defaultConfig { 8 | applicationId "com.tgithubc.view" 9 | minSdkVersion 15 10 | targetSdkVersion 26 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 | testCompile 'junit:junit:4.12' 25 | compile 'com.android.support:appcompat-v7:26.+' 26 | } 27 | -------------------------------------------------------------------------------- /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/litiancheng/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 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/tgithubc/view/ApplicationTest.java: -------------------------------------------------------------------------------- 1 | package com.tgithubc.view; 2 | 3 | import android.app.Application; 4 | import android.test.ApplicationTestCase; 5 | 6 | /** 7 | * Testing Fundamentals 8 | */ 9 | public class ApplicationTest extends ApplicationTestCase { 10 | public ApplicationTest() { 11 | super(Application.class); 12 | } 13 | } -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | -------------------------------------------------------------------------------- /app/src/main/java/com/tgithubc/view/MainActivity.java: -------------------------------------------------------------------------------- 1 | package com.tgithubc.view; 2 | 3 | import android.support.v7.app.AppCompatActivity; 4 | import android.os.Bundle; 5 | 6 | public class MainActivity extends AppCompatActivity { 7 | 8 | @Override 9 | protected void onCreate(Bundle savedInstanceState) { 10 | super.onCreate(savedInstanceState); 11 | setContentView(R.layout.activity_main); 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /app/src/main/java/com/tgithubc/view/musicnote/BezierEvaluator.java: -------------------------------------------------------------------------------- 1 | package com.tgithubc.view.musicnote; 2 | 3 | import android.animation.TypeEvaluator; 4 | import android.graphics.PointF; 5 | 6 | public class BezierEvaluator implements TypeEvaluator { 7 | 8 | private PointF pointF1; 9 | private PointF pointF2; 10 | 11 | public BezierEvaluator(PointF pointF1, PointF pointF2) { 12 | this.pointF1 = pointF1; 13 | this.pointF2 = pointF2; 14 | } 15 | 16 | @Override 17 | public PointF evaluate(float time, PointF startValue, PointF endValue) { 18 | 19 | float timeLeft = 1.0f - time; 20 | PointF point = new PointF(); 21 | 22 | point.x = timeLeft * timeLeft * timeLeft * (startValue.x) 23 | + 3 * timeLeft * timeLeft * time * (pointF1.x) 24 | + 3 * timeLeft * time * time * (pointF2.x) 25 | + time * time * time * (endValue.x); 26 | 27 | point.y = timeLeft * timeLeft * timeLeft * (startValue.y) 28 | + 3 * timeLeft * timeLeft * time * (pointF1.y) 29 | + 3 * timeLeft * time * time * (pointF2.y) 30 | + time * time * time * (endValue.y); 31 | return point; 32 | } 33 | } -------------------------------------------------------------------------------- /app/src/main/java/com/tgithubc/view/musicnote/CircleMusicView.java: -------------------------------------------------------------------------------- 1 | package com.tgithubc.view.musicnote; 2 | 3 | import android.content.Context; 4 | import android.content.res.TypedArray; 5 | import android.graphics.Bitmap; 6 | import android.graphics.Canvas; 7 | import android.graphics.Color; 8 | import android.graphics.Paint; 9 | import android.graphics.PorterDuff; 10 | import android.graphics.PorterDuffXfermode; 11 | import android.graphics.RectF; 12 | import android.graphics.drawable.Drawable; 13 | import android.graphics.drawable.NinePatchDrawable; 14 | import android.util.AttributeSet; 15 | import android.widget.ImageView; 16 | 17 | import com.tgithubc.view.R; 18 | import com.tgithubc.view.musicnote.util.DPPXUtil; 19 | 20 | 21 | /** 22 | * Created by tc :) 23 | */ 24 | public class CircleMusicView extends ImageView { 25 | 26 | private static final int DEFAULT_BORDER_WIDTH = 2;//dp 27 | private static final int DEFAULT_DEFAULT_SIZE = 45;//dp 28 | 29 | private int mDefaultSize; 30 | private int mProgressWidth; 31 | // 进度槽颜色 32 | private int mProgressSlotColor; 33 | // 缓冲进度颜色 34 | private int mProgressBufferColor; 35 | // 进度颜色 36 | private int mProgressColor; 37 | private int mSize; 38 | 39 | private float mBufferProgress; 40 | private float mProgress; 41 | private float mDegree; 42 | 43 | // 遮罩相关 44 | private Bitmap mShadeBitmap; 45 | private Paint mPaint; 46 | 47 | // 进度相关 48 | private Paint mProgressPaint; 49 | private RectF mProgressRect; 50 | 51 | public CircleMusicView(Context context) { 52 | this(context, null); 53 | } 54 | 55 | public CircleMusicView(Context context, AttributeSet attrs) { 56 | this(context, attrs, 0); 57 | } 58 | 59 | public CircleMusicView(Context context, AttributeSet attrs, int defStyleAttr) { 60 | super(context, attrs, defStyleAttr); 61 | init(context, attrs); 62 | } 63 | 64 | private void init(Context context, AttributeSet attrs) { 65 | mDefaultSize = DPPXUtil.dip2px(getContext(), DEFAULT_DEFAULT_SIZE); 66 | int defaultBorderWidth = DPPXUtil.dip2px(getContext(), DEFAULT_BORDER_WIDTH); 67 | final TypedArray ta = context.obtainStyledAttributes(attrs, R.styleable.CircleMusicView, 0, 0); 68 | try { 69 | mProgressWidth = ta.getDimensionPixelOffset(R.styleable.CircleMusicView_circle_music_view_progress_width, 70 | defaultBorderWidth); 71 | mProgressBufferColor = ta.getColor(R.styleable.CircleMusicView_circle_music_view_progress_slot_color, 72 | Color.LTGRAY); 73 | mProgressSlotColor = ta.getColor(R.styleable.CircleMusicView_circle_music_view_progress_buffer_color, 74 | Color.GRAY); 75 | mProgressColor = ta.getColor(R.styleable.CircleMusicView_circle_music_view_progress_color, 76 | Color.YELLOW); 77 | } finally { 78 | ta.recycle(); 79 | } 80 | 81 | mPaint = new Paint(Paint.ANTI_ALIAS_FLAG); 82 | mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN)); 83 | mPaint.setFilterBitmap(true); 84 | 85 | mProgressPaint = new Paint(Paint.ANTI_ALIAS_FLAG); 86 | mProgressPaint.setStrokeWidth(mProgressWidth); 87 | mProgressPaint.setStyle(Paint.Style.STROKE); 88 | } 89 | 90 | @Override 91 | protected void onDraw(Canvas canvas) { 92 | final Drawable drawable = getDrawable(); 93 | if (drawable == null || drawable instanceof NinePatchDrawable) { 94 | return; 95 | } 96 | int layer = canvas.saveLayer(0F, 0F, mSize, mSize, null, Canvas.ALL_SAVE_FLAG); 97 | canvas.rotate(mDegree, mSize / 2, mSize / 2); 98 | drawable.setBounds(0, 0, mSize, mSize); 99 | // 原图 100 | drawable.draw(canvas); 101 | if (mShadeBitmap == null || mShadeBitmap.isRecycled()) { 102 | mShadeBitmap = createShadeBitmap(); 103 | } 104 | // 遮罩 105 | canvas.drawBitmap(mShadeBitmap, 0F, 0F, mPaint); 106 | canvas.restoreToCount(layer); 107 | // 进度槽 108 | mProgressPaint.setColor(mProgressSlotColor); 109 | canvas.drawArc(mProgressRect, 0F, 360F, false, mProgressPaint); 110 | // 缓冲进度 111 | mProgressPaint.setColor(mProgressBufferColor); 112 | canvas.drawArc(mProgressRect, -90F, mBufferProgress, false, mProgressPaint); 113 | // 进度 114 | mProgressPaint.setColor(mProgressColor); 115 | canvas.drawArc(mProgressRect, -90F, mProgress, false, mProgressPaint); 116 | } 117 | 118 | @Override 119 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 120 | int measureWidth = measureDimension(mDefaultSize, widthMeasureSpec); 121 | int measureHeight = measureDimension(mDefaultSize, heightMeasureSpec); 122 | setMeasuredDimension(measureWidth, measureHeight); 123 | } 124 | 125 | @Override 126 | protected void onSizeChanged(int w, int h, int oldw, int oldh) { 127 | super.onSizeChanged(w, h, oldw, oldh); 128 | mSize = Math.min(w, h); 129 | // 进度条范围 130 | int halfBoardWidth = mProgressWidth / 2; 131 | mProgressRect = new RectF(halfBoardWidth, 132 | halfBoardWidth, 133 | mSize - halfBoardWidth, 134 | mSize - halfBoardWidth); 135 | } 136 | 137 | public void setProgress(float progress) { 138 | this.mProgress = progress; 139 | invalidate(); 140 | } 141 | 142 | public void setBufferProgress(float progress) { 143 | this.mBufferProgress = progress; 144 | invalidate(); 145 | } 146 | 147 | @Override 148 | public void setImageResource(int resId) { 149 | super.setImageResource(resId); 150 | mDegree = 0; 151 | } 152 | 153 | @Override 154 | public void setImageBitmap(Bitmap bm) { 155 | super.setImageBitmap(bm); 156 | mDegree = 0; 157 | } 158 | 159 | private int measureDimension(int defaultSize, int measureSpec) { 160 | int result; 161 | int specMode = MeasureSpec.getMode(measureSpec); 162 | int specSize = MeasureSpec.getSize(measureSpec); 163 | if (specMode == MeasureSpec.EXACTLY) { 164 | result = specSize; 165 | } else if (specMode == MeasureSpec.AT_MOST) { 166 | result = Math.min(defaultSize, specSize); 167 | } else { 168 | result = defaultSize; 169 | } 170 | return result; 171 | } 172 | 173 | private void setDegree(float degree) { 174 | this.mDegree = degree; 175 | invalidate(); 176 | } 177 | 178 | public void startRotate() { 179 | mDegree++; 180 | if (mDegree > 360) { 181 | mDegree = 0; 182 | } 183 | setDegree(mDegree); 184 | } 185 | 186 | /** 187 | * 弄个圆形遮罩图片,XferMode只能要图片，画别的不行 188 | */ 189 | private Bitmap createShadeBitmap() { 190 | Bitmap bitmap = Bitmap.createBitmap(mSize, mSize, Bitmap.Config.ARGB_8888); 191 | Canvas canvas = new Canvas(bitmap); 192 | Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG); 193 | paint.setFilterBitmap(true); 194 | RectF f = new RectF(mProgressWidth, 195 | mProgressWidth, 196 | mSize - mProgressWidth, 197 | mSize - mProgressWidth); 198 | canvas.drawOval(f, paint); 199 | return bitmap; 200 | } 201 | } 202 | -------------------------------------------------------------------------------- /app/src/main/java/com/tgithubc/view/musicnote/MusicalNoteLayout.java: -------------------------------------------------------------------------------- 1 | package com.tgithubc.view.musicnote; 2 | 3 | import android.animation.Animator; 4 | import android.animation.AnimatorListenerAdapter; 5 | import android.animation.AnimatorSet; 6 | import android.animation.ObjectAnimator; 7 | import android.animation.ValueAnimator; 8 | import android.content.Context; 9 | import android.content.res.TypedArray; 10 | import android.graphics.Bitmap; 11 | import android.graphics.PointF; 12 | import android.graphics.drawable.Drawable; 13 | import android.os.Message; 14 | import android.util.AttributeSet; 15 | import android.view.View; 16 | import android.view.animation.AccelerateInterpolator; 17 | import android.widget.ImageView; 18 | import android.widget.RelativeLayout; 19 | 20 | import com.tgithubc.view.R; 21 | import com.tgithubc.view.musicnote.util.DPPXUtil; 22 | import com.tgithubc.view.musicnote.util.WeakWrapperHandler; 23 | 24 | import java.util.ArrayList; 25 | import java.util.List; 26 | import java.util.Random; 27 | 28 | 29 | /** 30 | * Created by tc :) 31 | */ 32 | public class MusicalNoteLayout extends RelativeLayout implements WeakWrapperHandler.MessageHandler { 33 | 34 | private static final int DEFAULT_MUSIC_VIEW_SIZE = 45;//dp 35 | 36 | private static final int MSG_WHAT_ROTATION = 0; 37 | private static final int MSG_WHAT_ADD_NOTE = 1; 38 | private static final int DEFAULT_ROTATION_SPEED = 50; 39 | private static final int DEFAULT_ADD_NOTE_SPEED = 1500; 40 | 41 | // layout的宽高 42 | private int mWidth, mHeight; 43 | // 音符Drawable集合 44 | private List mDrawables; 45 | // 音符的宽高 46 | private int mDrawableWidth, mDrawableHeight; 47 | // 音符LayoutParams 48 | private LayoutParams mNoteParams; 49 | // 转圈的音乐view 50 | private CircleMusicView mMusicView; 51 | 52 | private int mIndex; 53 | private Random mRandom = new Random(); 54 | 55 | private WeakWrapperHandler mAnimateHandler; 56 | 57 | public MusicalNoteLayout(Context context) { 58 | this(context, null); 59 | } 60 | 61 | public MusicalNoteLayout(Context context, AttributeSet attrs) { 62 | this(context, attrs, 0); 63 | } 64 | 65 | public MusicalNoteLayout(Context context, AttributeSet attrs, int defStyleAttr) { 66 | super(context, attrs, defStyleAttr); 67 | init(context, attrs); 68 | } 69 | 70 | @Override 71 | protected void onSizeChanged(int w, int h, int oldw, int oldh) { 72 | super.onSizeChanged(w, h, oldw, oldh); 73 | mWidth = w; 74 | mHeight = h; 75 | // test code 76 | start(true); 77 | } 78 | 79 | private void init(Context context, AttributeSet attrs) { 80 | mAnimateHandler = new WeakWrapperHandler(this); 81 | int defaultSize = DPPXUtil.dip2px(getContext(), DEFAULT_MUSIC_VIEW_SIZE); 82 | int musicViewSize; 83 | Drawable musicViewRes; 84 | final TypedArray ta = context.obtainStyledAttributes(attrs, R.styleable.MusicalNoteLayout, 0, 0); 85 | try { 86 | musicViewSize = ta.getDimensionPixelOffset(R.styleable.MusicalNoteLayout_circle_music_view_size, 87 | defaultSize); 88 | musicViewRes = ta.getDrawable(R.styleable.MusicalNoteLayout_circle_music_view_res); 89 | } finally { 90 | ta.recycle(); 91 | } 92 | mMusicView = new CircleMusicView(getContext()); 93 | if (musicViewRes != null) { 94 | mMusicView.setImageDrawable(musicViewRes); 95 | } 96 | mMusicView.setId(R.id.music_view_id); 97 | LayoutParams params = new LayoutParams(musicViewSize, musicViewSize); 98 | params.addRule(ALIGN_PARENT_BOTTOM); 99 | params.addRule(ALIGN_PARENT_RIGHT); 100 | params.rightMargin = DPPXUtil.dip2px(getContext(), 10); 101 | params.bottomMargin = DPPXUtil.dip2px(getContext(), 25); 102 | addView(mMusicView, params); 103 | 104 | Drawable note1 = getResources().getDrawable(R.mipmap.note1); 105 | Drawable note2 = getResources().getDrawable(R.mipmap.note2); 106 | mDrawables = new ArrayList<>(); 107 | for (int i = 0; i < 3; i++) { 108 | mDrawables.add(i == 0 ? note1 : note2); 109 | } 110 | 111 | mDrawableHeight = note1.getIntrinsicHeight() / 2; 112 | mDrawableWidth = note1.getIntrinsicWidth() / 2; 113 | 114 | mNoteParams = new LayoutParams(mDrawableWidth, mDrawableHeight); 115 | mNoteParams.addRule(ALIGN_PARENT_BOTTOM); 116 | mNoteParams.addRule(ALIGN_PARENT_RIGHT); 117 | mNoteParams.rightMargin = params.rightMargin + musicViewSize / 2 - mDrawableWidth / 2; 118 | mNoteParams.bottomMargin = params.bottomMargin - mDrawableHeight; 119 | } 120 | 121 | public void start(boolean start) { 122 | mAnimateHandler.removeMessages(MSG_WHAT_ROTATION); 123 | mAnimateHandler.removeMessages(MSG_WHAT_ADD_NOTE); 124 | if (start) { 125 | mAnimateHandler.sendEmptyMessage(MSG_WHAT_ROTATION); 126 | mAnimateHandler.sendEmptyMessage(MSG_WHAT_ADD_NOTE); 127 | } 128 | } 129 | 130 | public void setImageResource(int resId) { 131 | mMusicView.setImageResource(resId); 132 | } 133 | 134 | public void setImageBitmap(Bitmap bm) { 135 | mMusicView.setImageBitmap(bm); 136 | } 137 | 138 | @Override 139 | public void handleMessage(Message msg) { 140 | if (msg.what == MSG_WHAT_ROTATION) { 141 | mMusicView.startRotate(); 142 | mAnimateHandler.sendEmptyMessageDelayed(MSG_WHAT_ROTATION, 143 | DEFAULT_ROTATION_SPEED); 144 | } else if (msg.what == MSG_WHAT_ADD_NOTE) { 145 | ++mIndex; 146 | if (mIndex >= mDrawables.size()) { 147 | mIndex = 0; 148 | } 149 | addMusicNote(mIndex); 150 | mAnimateHandler.sendEmptyMessageDelayed(MSG_WHAT_ADD_NOTE, 151 | DEFAULT_ADD_NOTE_SPEED); 152 | } 153 | } 154 | 155 | private void addMusicNote(int index) { 156 | ImageView noteView = new ImageView(getContext()); 157 | noteView.setImageDrawable(mDrawables.get(index)); 158 | addView(noteView, mNoteParams); 159 | Animator set = getFinalAnimator(noteView); 160 | set.addListener(new AnimEndListener(noteView)); 161 | set.start(); 162 | } 163 | 164 | private Animator getFinalAnimator(View target) { 165 | AnimatorSet set = getEnterAnimator(target); 166 | ValueAnimator bezierValueAnimator = getBezierValueAnimator(target); 167 | AnimatorSet finalSet = new AnimatorSet(); 168 | finalSet.playTogether(set, bezierValueAnimator); 169 | finalSet.setInterpolator(new AccelerateInterpolator()); 170 | finalSet.setTarget(target); 171 | return finalSet; 172 | } 173 | 174 | // 出场动画 175 | private AnimatorSet getEnterAnimator(final View target) { 176 | ObjectAnimator alpha = ObjectAnimator.ofFloat(target, View.ALPHA, 0.1f, 1f); 177 | ObjectAnimator scaleX = ObjectAnimator.ofFloat(target, View.SCALE_X, 0.0f, 1f); 178 | ObjectAnimator scaleY = ObjectAnimator.ofFloat(target, View.SCALE_Y, 0.0f, 1f); 179 | AnimatorSet enter = new AnimatorSet(); 180 | enter.setDuration(1000); 181 | enter.setInterpolator(new AccelerateInterpolator()); 182 | enter.playTogether(alpha, scaleX, scaleY); 183 | 184 | AnimatorSet before = new AnimatorSet(); 185 | // 同时在正负25f的角度上做随机旋转 186 | ObjectAnimator rotate = ObjectAnimator.ofFloat(target, View.ROTATION, 0.0f, mRandom.nextInt(50) - 25.5f); 187 | rotate.setDuration(2000); 188 | before.playSequentially(enter, rotate); 189 | return before; 190 | } 191 | 192 | // 贝塞尔曲线轨迹动画 193 | private ValueAnimator getBezierValueAnimator(View target) { 194 | // 中点 195 | BezierEvaluator evaluator = new BezierEvaluator(new PointF(0f, mHeight - mHeight / 4), 196 | new PointF(0f, mHeight - mHeight / 2)); 197 | // 终点在0 198 | // 起点定在音符的左上角坐标 199 | ValueAnimator animator = ValueAnimator.ofObject(evaluator, 200 | new PointF(mMusicView.getX() + mMusicView.getWidth() / 2 - mDrawableHeight / 2, 201 | mMusicView.getBottom()), 202 | new PointF(mMusicView.getLeft() / 2, mMusicView.getTop() - mMusicView.getHeight() / 2)); 203 | animator.addUpdateListener(new BezierListener(target)); 204 | animator.setDuration(4000); 205 | return animator; 206 | } 207 | 208 | private class BezierListener implements ValueAnimator.AnimatorUpdateListener { 209 | 210 | private View target; 211 | 212 | public BezierListener(View target) { 213 | this.target = target; 214 | } 215 | 216 | @Override 217 | public void onAnimationUpdate(ValueAnimator va) { 218 | PointF pointF = (PointF) va.getAnimatedValue(); 219 | target.setX(pointF.x); 220 | target.setY(pointF.y); 221 | target.setAlpha(1 - va.getAnimatedFraction()); 222 | } 223 | } 224 | 225 | private class AnimEndListener extends AnimatorListenerAdapter { 226 | 227 | private View target; 228 | 229 | public AnimEndListener(View target) { 230 | this.target = target; 231 | } 232 | 233 | @Override 234 | public void onAnimationEnd(Animator animation) { 235 | super.onAnimationEnd(animation); 236 | removeView((target)); 237 | } 238 | } 239 | } 240 | -------------------------------------------------------------------------------- /app/src/main/java/com/tgithubc/view/musicnote/util/DPPXUtil.java: -------------------------------------------------------------------------------- 1 | package com.tgithubc.view.musicnote.util; 2 | 3 | import android.content.Context; 4 | 5 | /** 6 | * Created by tc :) 7 | */ 8 | public class DPPXUtil { 9 | 10 | public static int px2dip(Context context, float pxValue) { 11 | final float scale = context.getResources().getDisplayMetrics().density; 12 | return (int) (pxValue / scale + 0.5f); 13 | } 14 | 15 | public static int dip2px(Context context,float dipValue) { 16 | final float scale = context.getResources().getDisplayMetrics().density; 17 | return (int) (dipValue * scale + 0.5f); 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /app/src/main/java/com/tgithubc/view/musicnote/util/WeakWrapperHandler.java: -------------------------------------------------------------------------------- 1 | package com.tgithubc.view.musicnote.util; 2 | 3 | import android.os.Handler; 4 | import android.os.Message; 5 | 6 | import java.lang.ref.WeakReference; 7 | 8 | /** 9 | * Created by tc :) 10 | */ 11 | public class WeakWrapperHandler extends Handler { 12 | 13 | public interface MessageHandler { 14 | void handleMessage(Message msg); 15 | } 16 | 17 | private WeakReference mMessageHandler; 18 | 19 | public WeakWrapperHandler(MessageHandler msgHandler) { 20 | mMessageHandler = new WeakReference<>(msgHandler); 21 | } 22 | 23 | @Override 24 | public void handleMessage(Message msg) { 25 | MessageHandler realHandler = mMessageHandler.get(); 26 | if (realHandler != null) { 27 | realHandler.handleMessage(msg); 28 | } 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 10 | 11 | 19 | 20 | 21 | 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-------------------------------------------------------------------------------- /app/src/main/res/values-w820dp/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 64dp 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/attr.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #3F51B5 4 | #303F9F 5 | #FF4081 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16dp 4 | 16dp 5 | 6 | -------------------------------------------------------------------------------- /app/src/main/res/values/ids.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | MusicNoteLayout 3 | 4 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /app/src/test/java/com/tgithubc/view/ExampleUnitTest.java: -------------------------------------------------------------------------------- 1 | package com.tgithubc.view; 2 | 3 | import org.junit.Test; 4 | 5 | import static org.junit.Assert.*; 6 | 7 | /** 8 | * To work on unit tests, switch the Test Artifact in the Build Variants view. 9 | */ 10 | public class ExampleUnitTest { 11 | @Test 12 | public void addition_isCorrect() throws Exception { 13 | assertEquals(4, 2 + 2); 14 | } 15 | } -------------------------------------------------------------------------------- /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:2.0.0' 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 | jcenter() 18 | } 19 | } 20 | 21 | task clean(type: Delete) { 22 | delete rootProject.buildDir 23 | } 24 | -------------------------------------------------------------------------------- /gif/1.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/tgithubc/DouYinMusicView/b002b1796cf482eedd9619a51e09c5305361f509/gif/1.gif -------------------------------------------------------------------------------- /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/tgithubc/DouYinMusicView/b002b1796cf482eedd9619a51e09c5305361f509/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Mon Dec 28 10:00:20 PST 2015 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-2.10-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 ':app' 2 | --------------------------------------------------------------------------------