圈圈倒计时——显示百分比
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package com.example.roundprogressbar;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import com.example.circlepregress.R;public class MainActivity extends Activity {private RoundProgressBar mRoundProgressBar1, mRoundProgressBar2 ,mRoundProgressBar3, mRoundProgressBar4, mRoundProgressBar5;private int progress = 0;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_cricle_progress);mRoundProgressBar1 = (RoundProgressBar) findViewById(R.id.roundProgressBar1);mRoundProgressBar2 = (RoundProgressBar) findViewById(R.id.roundProgressBar2);mRoundProgressBar3 = (RoundProgressBar) findViewById(R.id.roundProgressBar3);mRoundProgressBar4 = (RoundProgressBar) findViewById(R.id.roundProgressBar4);mRoundProgressBar5 = (RoundProgressBar) findViewById(R.id.roundProgressBar5);((Button)findViewById(R.id.button1)).setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {new Thread(new Runnable() {@Overridepublic void run() {while(progress <= 100){progress += 3;System.out.println(progress);mRoundProgressBar1.setProgress(progress);mRoundProgressBar2.setProgress(progress);mRoundProgressBar3.setProgress(progress);mRoundProgressBar4.setProgress(progress);mRoundProgressBar5.setProgress(progress);try {Thread.sleep(100);} catch (InterruptedException e) {e.printStackTrace();}}}}).start();}});}} emptypackage com.example.roundprogressbar;import android.content.Context;import android.content.res.TypedArray;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.RectF;import android.graphics.Typeface;import android.util.AttributeSet;import android.util.Log;import android.view.View;import com.example.circlepregress.R;/** * 仿iphone带进度的进度条,线程安全的View,可直接在线程中更新进度 * @author xiaanming * */public class RoundProgressBar extends View {/** * 画笔对象的引用 */private Paint paint;/** * 圆环的颜色 */private int roundColor;/** * 圆环进度的颜色 */private int roundProgressColor;/** * 中间进度百分比的字符串的颜色 */private int textColor;/** * 中间进度百分比的字符串的字体 */private float textSize;/** * 圆环的宽度 */private float roundWidth;/** * 最大进度 */private int max;/** * 当前进度 */private int progress;/** * 是否显示中间的进度 */private boolean textIsDisplayable;/** * 进度的风格,实心或者空心 */private int style;public static final int STROKE = 0;public static final int FILL = 1;public RoundProgressBar(Context context) {this(context, null);}public RoundProgressBar(Context context, AttributeSet attrs) {this(context, attrs, 0);}public RoundProgressBar(Context context, AttributeSet attrs, int defStyle) {super(context, attrs, defStyle);paint = new Paint();TypedArray mTypedArray = context.obtainStyledAttributes(attrs,R.styleable.RoundProgressBar);//获取自定义属性和默认值roundColor = mTypedArray.getColor(R.styleable.RoundProgressBar_roundColor, Color.RED);roundProgressColor = mTypedArray.getColor(R.styleable.RoundProgressBar_roundProgressColor, Color.GREEN);textColor = mTypedArray.getColor(R.styleable.RoundProgressBar_textColor, Color.GREEN);textSize = mTypedArray.getDimension(R.styleable.RoundProgressBar_textSize, 15);roundWidth = mTypedArray.getDimension(R.styleable.RoundProgressBar_roundWidth, 5);max = mTypedArray.getInteger(R.styleable.RoundProgressBar_max, 100);textIsDisplayable = mTypedArray.getBoolean(R.styleable.RoundProgressBar_textIsDisplayable, true);style = mTypedArray.getInt(R.styleable.RoundProgressBar_style, 0);mTypedArray.recycle();}@Overrideprotected void onDraw(Canvas canvas) {super.onDraw(canvas);/** * 画最外层的大圆环 */int centre = getWidth()/2; //获取圆心的x坐标int radius = (int) (centre - roundWidth/2); //圆环的半径paint.setColor(roundColor); //设置圆环的颜色paint.setStyle(Paint.Style.STROKE); //设置空心paint.setStrokeWidth(roundWidth); //设置圆环的宽度paint.setAntiAlias(true); //消除锯齿 canvas.drawCircle(centre, centre, radius, paint); //画出圆环Log.e("log", centre + "");/** * 画进度百分比 */paint.setStrokeWidth(0); paint.setColor(textColor);paint.setTextSize(textSize);paint.setTypeface(Typeface.DEFAULT_BOLD); //设置字体int percent = (int)(((float)progress / (float)max) * 100); //中间的进度百分比,先转换成float在进行除法运算,不然都为0float textWidth = paint.measureText(percent + "%"); //测量字体宽度,我们需要根据字体的宽度设置在圆环中间if(textIsDisplayable && percent != 0 && style == STROKE){canvas.drawText(percent + "%", centre - textWidth / 2, centre + textSize/2, paint); //画出进度百分比}/** * 画圆弧 ,画圆环的进度 *///设置进度是实心还是空心paint.setStrokeWidth(roundWidth); //设置圆环的宽度paint.setColor(roundProgressColor); //设置进度的颜色RectF oval = new RectF(centre - radius, centre - radius, centre+ radius, centre + radius); //用于定义的圆弧的形状和大小的界限switch (style) {case STROKE:{paint.setStyle(Paint.Style.STROKE);canvas.drawArc(oval, 0, 360 * progress / max, false, paint); //根据进度画圆弧break;}case FILL:{paint.setStyle(Paint.Style.FILL_AND_STROKE);if(progress !=0)canvas.drawArc(oval, 0, 360 * progress / max, true, paint); //根据进度画圆弧break;}}}public synchronized int getMax() {return max;}/** * 设置进度的最大值 * @param max */public synchronized void setMax(int max) {if(max < 0){throw new IllegalArgumentException("max not less than 0");}this.max = max;}/** * 获取进度.需要同步 * @return */public synchronized int getProgress() {return progress;}/** * 设置进度,此为线程安全控件,由于考虑多线的问题,需要同步 * 刷新界面调用postInvalidate()能在非UI线程刷新 * @param progress */public synchronized void setProgress(int progress) {if(progress < 0){throw new IllegalArgumentException("progress not less than 0");}if(progress > max){progress = max;}if(progress <= max){this.progress = progress;postInvalidate();}}public int getCricleColor() {return roundColor;}public void setCricleColor(int cricleColor) {this.roundColor = cricleColor;}public int getCricleProgressColor() {return roundProgressColor;}public void setCricleProgressColor(int cricleProgressColor) {this.roundProgressColor = cricleProgressColor;}public int getTextColor() {return textColor;}public void setTextColor(int textColor) {this.textColor = textColor;}public float getTextSize() {return textSize;}public void setTextSize(float textSize) {this.textSize = textSize;}public float getRoundWidth() {return roundWidth;}public void setRoundWidth(float roundWidth) {this.roundWidth = roundWidth;}}
第一步:自定义一个类--用来自定义空间
package com.example.roundprogressbar;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import com.example.circlepregress.R;public class MainActivity extends Activity {private RoundProgressBar mRoundProgressBar1, mRoundProgressBar2 ,mRoundProgressBar3, mRoundProgressBar4, mRoundProgressBar5;private int progress = 0;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_cricle_progress);mRoundProgressBar1 = (RoundProgressBar) findViewById(R.id.roundProgressBar1);mRoundProgressBar2 = (RoundProgressBar) findViewById(R.id.roundProgressBar2);mRoundProgressBar3 = (RoundProgressBar) findViewById(R.id.roundProgressBar3);mRoundProgressBar4 = (RoundProgressBar) findViewById(R.id.roundProgressBar4);mRoundProgressBar5 = (RoundProgressBar) findViewById(R.id.roundProgressBar5);((Button)findViewById(R.id.button1)).setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {new Thread(new Runnable() {@Overridepublic void run() {while(progress <= 100){progress += 3;System.out.println(progress);mRoundProgressBar1.setProgress(progress);mRoundProgressBar2.setProgress(progress);mRoundProgressBar3.setProgress(progress);mRoundProgressBar4.setProgress(progress);mRoundProgressBar5.setProgress(progress);try {Thread.sleep(100);} catch (InterruptedException e) {e.printStackTrace();}}}}).start();}});}}emptypackage com.example.roundprogressbar;import android.content.Context;import android.content.res.TypedArray;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.RectF;import android.graphics.Typeface;import android.util.AttributeSet;import android.util.Log;import android.view.View;import com.example.circlepregress.R;/** * 仿iphone带进度的进度条,线程安全的View,可直接在线程中更新进度 * @author xiaanming * */public class RoundProgressBar extends View {/** * 画笔对象的引用 */private Paint paint;/** * 圆环的颜色 */private int roundColor;/** * 圆环进度的颜色 */private int roundProgressColor;/** * 中间进度百分比的字符串的颜色 */private int textColor;/** * 中间进度百分比的字符串的字体 */private float textSize;/** * 圆环的宽度 */private float roundWidth;/** * 最大进度 */private int max;/** * 当前进度 */private int progress;/** * 是否显示中间的进度 */private boolean textIsDisplayable;/** * 进度的风格,实心或者空心 */private int style;public static final int STROKE = 0;public static final int FILL = 1;public RoundProgressBar(Context context) {this(context, null);}public RoundProgressBar(Context context, AttributeSet attrs) {this(context, attrs, 0);}public RoundProgressBar(Context context, AttributeSet attrs, int defStyle) {super(context, attrs, defStyle);paint = new Paint();TypedArray mTypedArray = context.obtainStyledAttributes(attrs,R.styleable.RoundProgressBar);//获取自定义属性和默认值roundColor = mTypedArray.getColor(R.styleable.RoundProgressBar_roundColor, Color.RED);roundProgressColor = mTypedArray.getColor(R.styleable.RoundProgressBar_roundProgressColor, Color.GREEN);textColor = mTypedArray.getColor(R.styleable.RoundProgressBar_textColor, Color.GREEN);textSize = mTypedArray.getDimension(R.styleable.RoundProgressBar_textSize, 15);roundWidth = mTypedArray.getDimension(R.styleable.RoundProgressBar_roundWidth, 5);max = mTypedArray.getInteger(R.styleable.RoundProgressBar_max, 100);textIsDisplayable = mTypedArray.getBoolean(R.styleable.RoundProgressBar_textIsDisplayable, true);style = mTypedArray.getInt(R.styleable.RoundProgressBar_style, 0);mTypedArray.recycle();}@Overrideprotected void onDraw(Canvas canvas) {super.onDraw(canvas);/** * 画最外层的大圆环 */int centre = getWidth()/2; //获取圆心的x坐标int radius = (int) (centre - roundWidth/2); //圆环的半径paint.setColor(roundColor); //设置圆环的颜色paint.setStyle(Paint.Style.STROKE); //设置空心paint.setStrokeWidth(roundWidth); //设置圆环的宽度paint.setAntiAlias(true); //消除锯齿 canvas.drawCircle(centre, centre, radius, paint); //画出圆环Log.e("log", centre + "");/** * 画进度百分比 */paint.setStrokeWidth(0); paint.setColor(textColor);paint.setTextSize(textSize);paint.setTypeface(Typeface.DEFAULT_BOLD); //设置字体int percent = (int)(((float)progress / (float)max) * 100); //中间的进度百分比,先转换成float在进行除法运算,不然都为0float textWidth = paint.measureText(percent + "%"); //测量字体宽度,我们需要根据字体的宽度设置在圆环中间if(textIsDisplayable && percent != 0 && style == STROKE){canvas.drawText(percent + "%", centre - textWidth / 2, centre + textSize/2, paint); //画出进度百分比}/** * 画圆弧 ,画圆环的进度 *///设置进度是实心还是空心paint.setStrokeWidth(roundWidth); //设置圆环的宽度paint.setColor(roundProgressColor); //设置进度的颜色RectF oval = new RectF(centre - radius, centre - radius, centre+ radius, centre + radius); //用于定义的圆弧的形状和大小的界限switch (style) {case STROKE:{paint.setStyle(Paint.Style.STROKE);canvas.drawArc(oval, 0, 360 * progress / max, false, paint); //根据进度画圆弧break;}case FILL:{paint.setStyle(Paint.Style.FILL_AND_STROKE);if(progress !=0)canvas.drawArc(oval, 0, 360 * progress / max, true, paint); //根据进度画圆弧break;}}}public synchronized int getMax() {return max;}/** * 设置进度的最大值 * @param max */public synchronized void setMax(int max) {if(max < 0){throw new IllegalArgumentException("max not less than 0");}this.max = max;}/** * 获取进度.需要同步 * @return */public synchronized int getProgress() {return progress;}/** * 设置进度,此为线程安全控件,由于考虑多线的问题,需要同步 * 刷新界面调用postInvalidate()能在非UI线程刷新 * @param progress */public synchronized void setProgress(int progress) {if(progress < 0){throw new IllegalArgumentException("progress not less than 0");}if(progress > max){progress = max;}if(progress <= max){this.progress = progress;postInvalidate();}}public int getCricleColor() {return roundColor;}public void setCricleColor(int cricleColor) {this.roundColor = cricleColor;}public int getCricleProgressColor() {return roundProgressColor;}public void setCricleProgressColor(int cricleProgressColor) {this.roundProgressColor = cricleProgressColor;}public int getTextColor() {return textColor;}public void setTextColor(int textColor) {this.textColor = textColor;}public float getTextSize() {return textSize;}public void setTextSize(float textSize) {this.textSize = textSize;}public float getRoundWidth() {return roundWidth;}public void setRoundWidth(float roundWidth) {this.roundWidth = roundWidth;}}
public class RoundProgressBar extends View {
/**
* 画笔对象的引用
*/
private Paint paint;
/**
* 圆环的颜色
*/
private int roundColor;
/**
* 圆环进度的颜色
*/
private int roundProgressColor;
/**
* 中间进度百分比的字符串的颜色
*/
private int textColor;
/**
* 中间进度百分比的字符串的字体
*/
private float textSize;
/**
* 圆环的宽度
*/
private float roundWidth;
/**
* 最大进度
*/
private int max;
/**
* 当前进度
*/
private int progress;
/**
* 是否显示中间的进度
*/
private boolean textIsDisplayable;
/**
* 进度的风格,实心或者空心
*/
private int style;
public static final int STROKE = 0;
public static final int FILL = 1;
public RoundProgressBar(Context context) {
this(context, null);
}
public RoundProgressBar(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public RoundProgressBar(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
paint = new Paint();
TypedArray mTypedArray = context.obtainStyledAttributes(attrs,
R.styleable.RoundProgressBar);
//获取自定义属性和默认值
roundColor = mTypedArray.getColor(R.styleable.RoundProgressBar_roundColor, Color.RED);
roundProgressColor = mTypedArray.getColor(R.styleable.RoundProgressBar_roundProgressColor, Color.GREEN);
textColor = mTypedArray.getColor(R.styleable.RoundProgressBar_textColor, Color.GREEN);
textSize = mTypedArray.getDimension(R.styleable.RoundProgressBar_textSize, 15);
roundWidth = mTypedArray.getDimension(R.styleable.RoundProgressBar_roundWidth, 5);
max = mTypedArray.getInteger(R.styleable.RoundProgressBar_max, 100);
textIsDisplayable = mTypedArray.getBoolean(R.styleable.RoundProgressBar_textIsDisplayable, true);
style = mTypedArray.getInt(R.styleable.RoundProgressBar_style, 0);
mTypedArray.recycle();
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
/**
* 画最外层的大圆环
*/
int centre = getWidth()/2; //获取圆心的x坐标
int radius = (int) (centre - roundWidth/2); //圆环的半径
paint.setColor(roundColor); //设置圆环的颜色
paint.setStyle(Paint.Style.STROKE); //设置空心
paint.setStrokeWidth(roundWidth); //设置圆环的宽度
paint.setAntiAlias(true); //消除锯齿
canvas.drawCircle(centre, centre, radius, paint); //画出圆环
Log.e("log", centre + "");
/**
* 画进度百分比
*/
paint.setStrokeWidth(0);
paint.setColor(textColor);
paint.setTextSize(textSize);
paint.setTypeface(Typeface.DEFAULT_BOLD); //设置字体
int percent = (int)(((float)progress / (float)max) * 100); //中间的进度百分比,先转换成float在进行除法运算,不然都为0
float textWidth = paint.measureText(percent + "%"); //测量字体宽度,我们需要根据字体的宽度设置在圆环中间
if(textIsDisplayable && percent != 0 && style == STROKE){
canvas.drawText(percent + "%", centre - textWidth / 2, centre + textSize/2, paint); //画出进度百分比
}
/**
* 画圆弧 ,画圆环的进度
*/
//设置进度是实心还是空心
paint.setStrokeWidth(roundWidth); //设置圆环的宽度
paint.setColor(roundProgressColor); //设置进度的颜色
RectF oval = new RectF(centre - radius, centre - radius, centre
+ radius, centre + radius); //用于定义的圆弧的形状和大小的界限
switch (style) {
case STROKE:{
paint.setStyle(Paint.Style.STROKE);
canvas.drawArc(oval, 0, 360 * progress / max, false, paint); //根据进度画圆弧
break;
}
case FILL:{
paint.setStyle(Paint.Style.FILL_AND_STROKE);
if(progress !=0)
canvas.drawArc(oval, 0, 360 * progress / max, true, paint); //根据进度画圆弧
break;
}
}
}
public synchronized int getMax() {
return max;
}
/**
* 设置进度的最大值
* @param max
*/
public synchronized void setMax(int max) {
if(max < 0){
throw new IllegalArgumentException("max not less than 0");
}
this.max = max;
}
/**
* 获取进度.需要同步
* @return
*/
public synchronized int getProgress() {
return progress;
}
/**
* 设置进度,此为线程安全控件,由于考虑多线的问题,需要同步
* 刷新界面调用postInvalidate()能在非UI线程刷新
* @param progress
*/
public synchronized void setProgress(int progress) {
if(progress < 0){
throw new IllegalArgumentException("progress not less than 0");
}
if(progress > max){
progress = max;
}
if(progress <= max){
this.progress = progress;
postInvalidate();
}
}
public int getCricleColor() {
return roundColor;
}
public void setCricleColor(int cricleColor) {
this.roundColor = cricleColor;
}
public int getCricleProgressColor() {
return roundProgressColor;
}
public void setCricleProgressColor(int cricleProgressColor) {
this.roundProgressColor = cricleProgressColor;
}
public int getTextColor() {
return textColor;
}
public void setTextColor(int textColor) {
this.textColor = textColor;
}
public float getTextSize() {
return textSize;
}
public void setTextSize(float textSize) {
this.textSize = textSize;
}
public float getRoundWidth() {
return roundWidth;
}
public void setRoundWidth(float roundWidth) {
this.roundWidth = roundWidth;
}
}
第二步:创建一个Activity --
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:android_custom="http://schemas.android.com/apk/res/com.example.circlepregress"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<com.example.roundprogressbar.RoundProgressBar
android:id="@+id/roundProgressBar2"
android:layout_width="80dip"
android:layout_height="80dip"
android:layout_alignLeft="@+id/roundProgressBar1"
android:layout_alignParentBottom="true"
android:layout_marginBottom="78dp"
android_custom:roundColor="#D1D1D1"
android_custom:roundProgressColor="@android:color/black"
android_custom:textColor="#9A32CD"
android_custom:roundWidth="10dip"
android_custom:textSize="18sp" />
<com.example.roundprogressbar.RoundProgressBar
android:id="@+id/roundProgressBar4"
android_custom:style="FILL"
android:layout_width="80dip"
android:layout_height="80dip"
android:layout_alignParentRight="true"
android:layout_alignTop="@+id/roundProgressBar1"
android:layout_marginRight="32dp"
android_custom:roundWidth="1dip"
android_custom:roundProgressColor="#C2C2C2" />
<com.example.roundprogressbar.RoundProgressBar
android:id="@+id/roundProgressBar3"
android:layout_width="80dip"
android:layout_height="80dip"
android:layout_alignLeft="@+id/roundProgressBar4"
android:layout_alignTop="@+id/roundProgressBar2"
android_custom:roundColor="#C6E2FF"
android_custom:roundWidth="10dip"
android_custom:roundProgressColor="#CD3333"
android_custom:textIsDisplayable="false" />
<com.example.roundprogressbar.RoundProgressBar
android:id="@+id/roundProgressBar5"
android:layout_width="50dip"
android:layout_height="50dip"
android:layout_below="@+id/roundProgressBar1"
android:layout_marginLeft="22dp"
android:layout_toRightOf="@+id/roundProgressBar1" />
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:text="Button" />
<com.example.roundprogressbar.RoundProgressBar
android:id="@+id/roundProgressBar1"
android:layout_width="80dip"
android:layout_height="80dip"
android:layout_alignParentLeft="true"
android:layout_below="@+id/button1"
android:layout_marginLeft="16dp"
android:layout_marginTop="40dp" />
</RelativeLayout>
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