Android仿ViVO X6 極速閃充動畫效果
一直都在看自定義View,經(jīng)過一個星期的堅持,基本上能夠?qū)懗鲆恍┍容^實用的控件效果了,今天天氣太熱,就待在家里玩手機,然后手機沒電了,在充電的時候,看到了手機的充電動畫,覺得挺酷,然后自己我就仔細的分析了一下這里的動畫內(nèi)容,就覺得,這個我也能寫出來,所以就有了這篇博客。純屬原創(chuàng)。
先看看效果,因為圖片的原因,只能看到靜態(tài)的。
這個就是效果圖了。當然了,這么看好像不怎么樣,但是配上了動畫,還是挺好看的。
自定義控件的話,其實做的多了,運用的多了,就會覺得自定義View,跟在Photo shop 里面畫圖一樣,我們通過建立圖層,然后再圖層里面繪制自己想要的效果。
這里其實也是一樣的,運用到了我前面講的一些知識,比如這篇:
Android自定義View弧線進度控件,原理上大體相當,結(jié)合這次的效果,我們看看,這里面是有四個弧形,兩個圓,還有一個類似于時鐘刻度的效果。所以知道這些的話,這就比較容易實現(xiàn)了。
首先,新建一個類,取名為VIVOPhone,然后繼承自View,重載三個構(gòu)造函數(shù),然后進入主題。
同樣的,我們先看看運用到了哪些變量
// 定義五個畫筆 private Paint mSmileRing, mBigRing, mInCrilePaint, mInLine, mTextPaint; // 控件的高寬 private float mWidth, mHeight; // 矩形的空間 private RectF mRectF; // 四個弧線的開始角度 private float startAngle = 270, startAngle2 = 270, startAngle3 = 270, startAngle4 = 270, sweepAngle = 90; // 文字 private String text = "70%"; // 文字的大小 private float tvSize = 80; // 刻度的進度 private float progress;
然后我們開始初始化數(shù)據(jù)。
private void initView() { mSmileRing = new Paint(); mSmileRing.setAntiAlias(true); mSmileRing.setStrokeWidth(5); mSmileRing.setStyle(Style.STROKE); mSmileRing.setColor(Color.parseColor("#12ADFF")); mBigRing = new Paint(); mBigRing.setAntiAlias(true); mBigRing.setStrokeWidth(20); mBigRing.setStyle(Style.STROKE); mBigRing.setColor(Color.parseColor("#12ADFF")); mInCrilePaint = new Paint(); mInCrilePaint.setAntiAlias(true); mInCrilePaint.setStrokeWidth((float) 0.5); mInCrilePaint.setStyle(Style.STROKE); mInCrilePaint.setColor(Color.parseColor("#eeeeee")); mInLine = new Paint(); mInLine.setAntiAlias(true); mInLine.setStrokeWidth(3); mInLine.setColor(Color.parseColor("#00ff00")); mTextPaint = new Paint(); mTextPaint.setAntiAlias(true); mTextPaint.setStrokeWidth(3); mTextPaint.setTextSize(tvSize); mTextPaint.setColor(Color.parseColor("#ffffff")); }
這里主要是對畫筆進行初始化,包括設置大小、寬度、樣式、顏色等等。這個方法,最后還是要在構(gòu)造函數(shù)里面調(diào)用。
畫筆初始化好了,接下來就看看怎么給變量賦值;
一樣的,我們還是在onSizeChange()方法里面寫賦值的操作。代碼如下:
@Override protected void onSizeChanged(int w, int h, int oldw, int oldh) { super.onSizeChanged(w, h, oldw, oldh); mWidth = w; mHeight = h; }
這里很簡單,就是給高跟寬賦值。
好了,最后看看onDraw方法是怎么寫的。
@Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); canvasOutArc1(canvas, mRectF); canvasOutArc2(canvas, mRectF); canvasOutArc3(canvas, mRectF); canvasOutArc4(canvas, mRectF); drawCircle(canvas); drawCircleIn(canvas); canvasDrawText(canvas); }
沒錯,我這里把每一個的繪制都抽成了方法,這樣是為了更好的管理和閱讀??吹揭粋€:
/** * 繪制最外面的弧線 * * @param canvas */ private void canvasOutArc1(Canvas canvas, RectF mRectF) { mRectF = new RectF((float) (mWidth * 0.1), (float) (mWidth * 0.1), (float) (mWidth * 0.9), (float) (mWidth * 0.9)); canvas.drawArc(mRectF, startAngle, sweepAngle + 90, false, mSmileRing); }
這個是最外層的圓,接下來就是第二個,第三個,第四個,我全部列出來。
/** * 繪制外層的第二個 * * @param canvas * @param mRectF */ private void canvasOutArc2(Canvas canvas, RectF mRectF) { mRectF = new RectF((float) (mWidth * 0.14), (float) (mWidth * 0.14), (float) (mWidth * 0.85), (float) (mWidth * 0.85)); canvas.drawArc(mRectF, startAngle2, sweepAngle + 30, false, mBigRing); }
第三個:
/** * 繪制里面第二個小的 * * @param canvas */ private void canvasOutArc3(Canvas canvas, RectF mRectF) { mRectF = new RectF((float) (mWidth * 0.22), (float) (mWidth * 0.22), (float) (mWidth * 0.795), (float) (mWidth * 0.795)); canvas.drawArc(mRectF, startAngle3, sweepAngle, false, mSmileRing); }
第四個:
/** * 繪制里面第二個小的 * * @param canvas */ private void canvasOutArc4(Canvas canvas, RectF mRectF) { mRectF = new RectF((float) (mWidth * 0.255), (float) (mWidth * 0.255), (float) (mWidth * 0.75), (float) (mWidth * 0.75)); canvas.drawArc(mRectF, startAngle4, sweepAngle, false, mBigRing); }
然后就是兩個圓了:
第一個圓,這里面還包含了鋸齒:
// 繪制內(nèi)切圓和鋸齒 private void drawCircle(Canvas canvas) { float radius = (float) (mHeight - (mHeight * 0.3) * 2 - (mWidth * 0.17)); float yuanX = (float) (mHeight / 2); float yuanY = (float) (mWidth / 2); canvas.drawCircle(yuanX, yuanY, radius, mInCrilePaint); canvas.save(); float nowWidth = (float) (getMeasuredWidth()); float nowHeight = getMeasuredHeight(); for (int i = 0; i < 72; i++) { // canvas.drawLine(nowWidth / 2, nowHeight / 2 - nowWidth / 2, // nowWidth / 2, nowHeight / 2 - nowWidth / 2 + 30, mInLine); if (i >= progress) { mInLine.setColor(Color.parseColor("#555555")); } else { mInLine.setColor(Color.parseColor("#00ff00")); } canvas.drawLine(nowWidth / 2, (float) (nowHeight / 2 - nowWidth / 2 + mWidth / 3.7), nowWidth / 2, (float) (nowHeight / 2 - nowWidth / 2 + mWidth * 0.05 + mWidth / 3.7), mInLine); canvas.rotate(5, getWidth() / 2, getHeight() / 2); } }
第二個圓:
// 繪制最里面的圓 private void drawCircleIn(Canvas canvas) { float radius = (float) (mHeight - (mHeight * 0.3) * 2 - (mWidth * 0.22)); float yuanX = (float) (mHeight / 2); float yuanY = (float) (mWidth / 2); canvas.drawCircle(yuanX, yuanY, radius, mInCrilePaint); canvas.save(); }
最后暴露給外面一個方法,用于動畫效果:
public void setData(int startAngle, float d) { this.startAngle = startAngle; this.startAngle2 = 360 - startAngle; this.startAngle3 = startAngle; this.startAngle4 = 360 - startAngle; progress = d / 4; postInvalidateDelayed(500); }
這里為了效果更明顯,我讓它五毫秒的速度更新UI,這里就是View的全部內(nèi)容,下面,我把所有的代碼都列出來:
布局文件:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@drawable/bg" tools:context=".MainActivity" > <com.example.vivoopen.weight.VivoView android:id="@+id/vivo" android:layout_width="180dip" android:layout_height="180dip" android:layout_centerInParent="true" /> </RelativeLayout>
MainActivity.java:
public class MainActivity extends Activity { private VivoView view; private boolean isRun = true; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); view = (VivoView) findViewById(R.id.vivo); new Thread(new Runnable() { public void run() { synchronized (view) { while (isRun) { Message msg; for (int i = 0; i < n2; i = i + 10) { msg = new Message(); msg.obj = i; SystemClock.sleep(100); msg.what = 1; handler.sendMessage(msg); } msg = new Message(); msg.what = 2; handler.sendMessage(msg); } } } }).start(); } int n2 = 2; private Handler handler = new Handler() { public void handleMessage(android.os.Message msg) { switch (msg.what) { case 1: int a = (Integer) msg.obj; view.setData(a, a); break; case 2: n2 = 359; break; default: break; } }; }; }
VivoView.java:
public class VivoView extends View { // 定義五個畫筆 private Paint mSmileRing, mBigRing, mInCrilePaint, mInLine, mTextPaint; // 控件的高寬 private float mWidth, mHeight; // 矩形的空間 private RectF mRectF; // 四個弧線的開始角度 private float startAngle = 270, startAngle2 = 270, startAngle3 = 270, startAngle4 = 270, sweepAngle = 90; // 文字 private String text = "70%"; // 文字的大小 private float tvSize = 80; // 刻度的進度 private float progress; public VivoView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); initView(); } public VivoView(Context context, AttributeSet attrs) { super(context, attrs); initView(); } public VivoView(Context context) { super(context); initView(); } private void initView() { mSmileRing = new Paint(); mSmileRing.setAntiAlias(true); mSmileRing.setStrokeWidth(5); mSmileRing.setStyle(Style.STROKE); mSmileRing.setColor(Color.parseColor("#12ADFF")); mBigRing = new Paint(); mBigRing.setAntiAlias(true); mBigRing.setStrokeWidth(20); mBigRing.setStyle(Style.STROKE); mBigRing.setColor(Color.parseColor("#12ADFF")); mInCrilePaint = new Paint(); mInCrilePaint.setAntiAlias(true); mInCrilePaint.setStrokeWidth((float) 0.5); mInCrilePaint.setStyle(Style.STROKE); mInCrilePaint.setColor(Color.parseColor("#eeeeee")); mInLine = new Paint(); mInLine.setAntiAlias(true); mInLine.setStrokeWidth(3); mInLine.setColor(Color.parseColor("#00ff00")); mTextPaint = new Paint(); mTextPaint.setAntiAlias(true); mTextPaint.setStrokeWidth(3); mTextPaint.setTextSize(tvSize); mTextPaint.setColor(Color.parseColor("#ffffff")); } @Override protected void onSizeChanged(int w, int h, int oldw, int oldh) { super.onSizeChanged(w, h, oldw, oldh); mWidth = w; mHeight = h; } @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); canvasOutArc1(canvas, mRectF); canvasOutArc2(canvas, mRectF); canvasOutArc3(canvas, mRectF); canvasOutArc4(canvas, mRectF); drawCircle(canvas); drawCircleIn(canvas); canvasDrawText(canvas); } // 繪制文字 private void canvasDrawText(Canvas canvas) { float textSize = mTextPaint.measureText(text); float x = mWidth / 2 - textSize / 2; float y = mHeight / 2 + textSize / 5; canvas.drawText(text, x, y, mTextPaint); } // 繪制最里面的圓 // 繪制內(nèi)切圓和鋸齒 private void drawCircleIn(Canvas canvas) { float radius = (float) (mHeight - (mHeight * 0.3) * 2 - (mWidth * 0.22)); float yuanX = (float) (mHeight / 2); float yuanY = (float) (mWidth / 2); canvas.drawCircle(yuanX, yuanY, radius, mInCrilePaint); canvas.save(); } // 繪制內(nèi)切圓和鋸齒 private void drawCircle(Canvas canvas) { float radius = (float) (mHeight - (mHeight * 0.3) * 2 - (mWidth * 0.17)); float yuanX = (float) (mHeight / 2); float yuanY = (float) (mWidth / 2); canvas.drawCircle(yuanX, yuanY, radius, mInCrilePaint); canvas.save(); float nowWidth = (float) (getMeasuredWidth()); float nowHeight = getMeasuredHeight(); for (int i = 0; i < 72; i++) { // canvas.drawLine(nowWidth / 2, nowHeight / 2 - nowWidth / 2, // nowWidth / 2, nowHeight / 2 - nowWidth / 2 + 30, mInLine); if (i >= progress) { mInLine.setColor(Color.parseColor("#555555")); } else { mInLine.setColor(Color.parseColor("#00ff00")); } canvas.drawLine(nowWidth / 2, (float) (nowHeight / 2 - nowWidth / 2 + mWidth / 3.7), nowWidth / 2, (float) (nowHeight / 2 - nowWidth / 2 + mWidth * 0.05 + mWidth / 3.7), mInLine); canvas.rotate(5, getWidth() / 2, getHeight() / 2); } } /** * 繪制最外面的弧線 * * @param canvas */ private void canvasOutArc1(Canvas canvas, RectF mRectF) { mRectF = new RectF((float) (mWidth * 0.1), (float) (mWidth * 0.1), (float) (mWidth * 0.9), (float) (mWidth * 0.9)); canvas.drawArc(mRectF, startAngle, sweepAngle + 90, false, mSmileRing); } /** * 繪制外層的第二個 * * @param canvas * @param mRectF */ private void canvasOutArc2(Canvas canvas, RectF mRectF) { mRectF = new RectF((float) (mWidth * 0.14), (float) (mWidth * 0.14), (float) (mWidth * 0.85), (float) (mWidth * 0.85)); canvas.drawArc(mRectF, startAngle2, sweepAngle + 30, false, mBigRing); } /** * 繪制里面第二個小的 * * @param canvas */ private void canvasOutArc3(Canvas canvas, RectF mRectF) { mRectF = new RectF((float) (mWidth * 0.22), (float) (mWidth * 0.22), (float) (mWidth * 0.795), (float) (mWidth * 0.795)); canvas.drawArc(mRectF, startAngle3, sweepAngle, false, mSmileRing); } /** * 繪制里面第二個小的 * * @param canvas */ private void canvasOutArc4(Canvas canvas, RectF mRectF) { mRectF = new RectF((float) (mWidth * 0.255), (float) (mWidth * 0.255), (float) (mWidth * 0.75), (float) (mWidth * 0.75)); canvas.drawArc(mRectF, startAngle4, sweepAngle, false, mBigRing); } public void setData(int startAngle, float d) { this.startAngle = startAngle; this.startAngle2 = 360 - startAngle; this.startAngle3 = startAngle; this.startAngle4 = 360 - startAngle; progress = d / 4; postInvalidateDelayed(500); } }
以上就是本文的全部內(nèi)容,希望對大家的學習有所幫助,也希望大家多多支持腳本之家。
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