1 package com.czm.mysinkingview;  2   3 import android.content.Context;  4 import android.graphics.Bitmap;  5 import android.graphics.BitmapFactory;  6 import android.graphics.Canvas;  7 import android.graphics.Color;  8 import android.graphics.Paint;  9 import android.graphics.Paint.Style; 10 import android.graphics.Path; 11 import android.graphics.Path.Direction; 12 import android.graphics.Region.Op; 13 import android.util.AttributeSet; 14 import android.widget.FrameLayout; 15 /** 16  * 水波浪球形进度View 17  * @author caizhiming 18  * 19  */ 20 public class SinkingView extends FrameLayout { 21     private static final int DEFAULT_TEXTCOLOT = 0xFFFF0000; 22  23     private static final int DEFAULT_TEXTSIZE =40; 24  25     private float mPercent; 26  27     private Paint mPaint = new Paint(); 28  29     private Bitmap mBitmap; 30  31     private Bitmap mScaledBitmap; 32  33     private float mLeft; 34  35     private int mSpeed = 15; 36  37     private int mRepeatCount = 0; 38  39     private Status mFlag = Status.NONE; 40  41     private int mTextColor = DEFAULT_TEXTCOLOT; 42  43     private int mTextSize = DEFAULT_TEXTSIZE; 44  45     public SinkingView(Context context, AttributeSet attrs) { 46         super(context, attrs); 47     } 48  49     public void setTextColor(int color) { 50         mTextColor = color; 51     } 52  53     public void setTextSize(int size) { 54         mTextSize = size; 55     } 56  57     public void setPercent(float percent) { 58         mFlag = Status.RUNNING; 59         mPercent = percent; 60         postInvalidate(); 61  62     } 63  64     public void setStatus(Status status) { 65         mFlag = status; 66     } 67  68     public void clear() { 69         mFlag = Status.NONE; 70         if (mScaledBitmap != null) { 71             mScaledBitmap.recycle(); 72             mScaledBitmap = null; 73         } 74  75         if (mBitmap != null) { 76             mBitmap.recycle(); 77             mBitmap = null; 78         } 79     } 80  81     @Override 82     protected void dispatchDraw(Canvas canvas) { 83         super.dispatchDraw(canvas); 84         int width = getWidth(); 85         int height = getHeight(); 86          87         //裁剪成圆区域 88         Path path = new Path(); 89         canvas.save(); 90         path.reset(); 91         canvas.clipPath(path); 92         path.addCircle(width / 2, height / 2, width / 2, Direction.CCW); 93         canvas.clipPath(path, Op.REPLACE); 94  95         if (mFlag == Status.RUNNING) { 96             if (mScaledBitmap == null) { 97                 mBitmap = BitmapFactory.decodeResource(getContext().getResources(), R.drawable.wave2); 98                 mScaledBitmap = Bitmap.createScaledBitmap(mBitmap, mBitmap.getWidth(), getHeight(), false); 99                 mBitmap.recycle();100                 mBitmap = null;101                 mRepeatCount = (int) Math.ceil(getWidth() / mScaledBitmap.getWidth() + 0.5) + 1;102             }103             for (int idx = 0; idx < mRepeatCount; idx++) {104                 canvas.drawBitmap(mScaledBitmap, mLeft + (idx - 1) * mScaledBitmap.getWidth(), (1-mPercent) * getHeight(), null);105             }106             String str = (int) (mPercent * 100) + "%";107             mPaint.setColor(mTextColor);108             mPaint.setTextSize(mTextSize);109             mPaint.setStyle(Style.FILL);110             canvas.drawText(str, (getWidth() - mPaint.measureText(str)) / 2, getHeight() / 2 + mTextSize / 2, mPaint);111 112             mLeft += mSpeed;113             if (mLeft >= mScaledBitmap.getWidth())114                 mLeft = 0;115             // 绘制外圆环116             mPaint.setStyle(Paint.Style.STROKE);117             mPaint.setStrokeWidth(4);118             mPaint.setAntiAlias(true);119             mPaint.setColor(Color.rgb(33, 211, 39));120             canvas.drawCircle(width / 2, height / 2, width / 2 - 2, mPaint);121 122             postInvalidateDelayed(20);123         }124         canvas.restore();125 126     }127 128     public enum Status {129         RUNNING, NONE130     }131 132 }

 1 package com.czm.mysinkingview; 2  3 import android.app.Activity; 4 import android.os.Bundle; 5 import android.view.View; 6 import android.view.View.OnClickListener; 7  8 /** 9  * 测试用例页10  * 11  * @author caizhiming12  */13 public class MainActivity extends Activity {14     private SinkingView mSinkingView;15 16     private float percent = 0;17 18     @Override19     protected void onCreate(Bundle savedInstanceState) {20         super.onCreate(savedInstanceState);21         setContentView(R.layout.activity_main);22         mSinkingView = (SinkingView) findViewById(R.id.sinking);23 24         findViewById(R.id.btn_test).setOnClickListener(new OnClickListener() {25             26             @Override27             public void onClick(View v) {28                 // TODO Auto-generated method stub29                 updateProgress();30             }31         });32 33         percent = 0.3f;34         mSinkingView.setPercent(percent);35     }36 37 38     private void updateProgress() {39         Thread thread = new Thread(new Runnable() {40 41             @Override42             public void run() {43 44                 percent = 0;45                 while (percent <= 1) {46                     mSinkingView.setPercent(percent);47                     percent += 0.01f;48                     try {49                         Thread.sleep(40);50                     } catch (InterruptedException e) {51                         e.printStackTrace();52                     }53                 }54                 percent = 0.78f;55                 if(percent>0.7&&percent<1){56                     mSinkingView.setTextColor(0xFFFFFFFF);57                 }58                 mSinkingView.setPercent(percent);59 //                 mSinkingView.clear();60             }61         });62         thread.start();63     }64 65 }

 1 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 2     xmlns:tools="http://schemas.android.com/tools" 3     android:layout_width="match_parent" 4     android:layout_height="match_parent" 5      6     tools:context=".MainActivity" > 7  8     <com.czm.mysinkingview.SinkingView 9         android:id="@+id/sinking"10         android:layout_width="wrap_content"11         android:layout_height="wrap_content" 12         android:layout_centerInParent="true" >13 14         <ImageView15             android:id="@+id/image"16             android:layout_width="120dp"17             android:layout_height="120dp"18             android:src="http://www.mamicode.com/@drawable/charming2" />19     </com.czm.mysinkingview.SinkingView>20 21     <LinearLayout22         android:layout_width="match_parent"23         android:layout_height="wrap_content"24         android:layout_alignParentBottom="true"25         android:layout_centerHorizontal="true"26         android:orientation="horizontal" >27 28         <Button29             android:id="@+id/btn_test"30             android:textColor="#ffffff"31             android:background="#0000ff"32             android:textSize="18sp"33             android:layout_width="match_parent"34             android:layout_height="50dp"35             android:layout_margin="10dp"36             android:text="更新" />37         38     </LinearLayout>39 40 </RelativeLayout>

 1  <activity 2             android:name="com.czm.mysinkingview.MainActivity" 3             android:label="@string/app_name" 4             android:hardwareAccelerated="false" 5              > 6             <intent-filter> 7                 <action android:name="android.intent.action.MAIN" /> 8  9                 <category android:name="android.intent.category.LAUNCHER" />10             </intent-filter>11         </activity>