activity_main
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" xmlns:tools="http://schemas.android.com/com.bawie.www.week1demo." android:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.bawie.www.week1demo.MainActivity"> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:background="#6a9ff5" > <Button android:layout_width="wrap_content" android:layout_height="60dp" android:background="@drawable/topbar_up" android:id="@+id/toleft" android:layout_weight="1" /> <TextView android:layout_width="wrap_content" android:layout_height="60dp" android:text="那些花儿" android:layout_weight="8" android:textSize="40dp" android:gravity="center" /> <Button android:layout_width="wrap_content" android:layout_height="60dp" android:background="@mipmap/ic_launcher" android:id="@+id/btn_tiao" android:layout_weight="1" /> </LinearLayout> <com.bawie.www.week1demo.CompletedView android:layout_width="100dp" android:layout_height="100dp" android:id="@+id/circleView" android:layout_gravity="center" android:layout_marginTop="30dp" /> <Button android:layout_gravity="center" android:layout_width="match_parent" android:layout_height="50dp" android:text="扫描二维码" android:id="@+id/btn_sm" android:layout_marginTop="30dp" android:onClick="start" /> </LinearLayout>
MainActivity
package com.bawie.www.week1demo; import android.content.Intent; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.Toast; import com.uuzuche.lib_zxing.activity.CaptureActivity; import com.uuzuche.lib_zxing.activity.CodeUtils; import com.uuzuche.lib_zxing.activity.ZXingLibrary; public class MainActivity extends AppCompatActivity { private Button btn_tiao; private Button btn_sm; int REQUEST_CODE=1; private CompletedView circleView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); getSupportActionBar().hide(); ZXingLibrary.initDisplayOpinion(this); circleView = (CompletedView) findViewById(R.id.circleView); btn_sm =(Button) findViewById(R.id.btn_sm); btn_tiao= (Button) findViewById(R.id.btn_tiao); btn_tiao.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent in =new Intent(MainActivity.this,Trapezoid.class); startActivity(in); } }); } int progress = 0; public void start(View v) { circleView.setMax(100); progress=0; new Thread() { public void run() { while (true) { progress = progress + 1; String text = progress + "%"; circleView.setProgressAndText(progress, text); try { sleep(30); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } if (progress == 100) { Intent intent = new Intent(MainActivity.this, CaptureActivity.class); startActivityForResult(intent, REQUEST_CODE); break; } } }; }.start(); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (requestCode == REQUEST_CODE) { //处理扫描结果(在界面上显示) if (null != data) { Bundle bundle = data.getExtras(); if (bundle == null) { return; } if (bundle.getInt(CodeUtils.RESULT_TYPE) == CodeUtils.RESULT_SUCCESS) { String result = bundle.getString(CodeUtils.RESULT_STRING); Toast.makeText(this, "解析结果:" + result, Toast.LENGTH_LONG).show(); } else if (bundle.getInt(CodeUtils.RESULT_TYPE) == CodeUtils.RESULT_FAILED) { Toast.makeText(MainActivity.this, "解析二维码失败", Toast.LENGTH_LONG).show(); } } } } }
Complete
package com.bawie.www.week1demo; import android.content.Context; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Rect; import android.graphics.RectF; import android.support.annotation.Nullable; import android.util.AttributeSet; import android.view.View; /** * Created by 杨文倩 on 2017/11/4. */ public class CompletedView extends View{ int progress = 0; private String text="0%"; private int max = 100; public CompletedView(Context context) { super(context); } public CompletedView(Context context, @Nullable AttributeSet attrs) { super(context, attrs); } public CompletedView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); } @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); // 对于画笔 Paint paint = new Paint(); // 设置抗锯齿 paint.setAntiAlias(true); // 设置画笔颜色 // 三种样式--Stroke 只要描边 Fill 填充 FILL_AND_STROKE和既有描边又有填充 paint.setStyle(Paint.Style.STROKE); //设置描边宽度 paint.setStrokeWidth(2); //定义外圈员的颜色 paint.setColor(Color.RED); //绘制圆形进度条--获取当前控件多大,正好让进度条在这个控件区间内 canvas.drawCircle(getMeasuredWidth()/2, getMeasuredWidth()/2, getMeasuredWidth()/2, paint); //重新设置描边宽度,这个宽度最好能完全盖过圆形 paint.setStrokeWidth(3); //定义限制圆弧的矩形,当前这样定义正好让圆弧和圆重合 RectF oval = new RectF(0, 0, getMeasuredWidth(), getMeasuredWidth()); //设置进度条(圆弧的颜色) paint.setColor(Color.GREEN); //绘制,设置进度条的度数从0开始,结束值是个变量,可以自己自由设置,来设置进度 //true和false 代表是否使用中心点,如果true,代表连接中心点,会出现扇形的效果 canvas.drawArc(oval, 0, 360 * progress / max, false, paint); //文字的绘制 paint.setTextSize(40); //设置文字宽度 paint.setStrokeWidth(1.0f); //测量文字大小-提前准备个矩形 Rect bounds = new Rect(); //测量文字的宽和高,测量的值可以根据矩形获取 paint.getTextBounds(text, 0, text.length(), bounds); paint.setColor(Color.BLACK); paint.setStyle(Paint.Style.FILL); //绘制文字,计算文字的宽高进行设置 canvas.drawText(text, getMeasuredWidth()/2 - bounds.width() / 2, getMeasuredWidth()/2 + bounds.height() / 2, paint); } /** * 初始设置当前进度的最大值-默认100 * @param max */ public void setMax(int max) { this.max = max; } /** * 更新进度和文字 * @param progress * @param text */ public void setProgressAndText(int progress, String text) { this.progress = progress; this.text = text; //重新绘制 postInvalidate(); } }
attrs
<?xml version="1.0" encoding="utf-8"?> <resources> <!--圆弧进度条--> <declare-styleable name="TasksCompletedView"> <attr name="radius" format="dimension"/> <attr name="strokeWidth" format="dimension"/> <attr name="circleColor" format="color"/> <attr name="ringColor" format="color"/> <attr name="ringBgColor" format="color"/> </declare-styleable> </resources>
color
<?xml version="1.0" encoding="utf-8"?> <resources> <color name="colorPrimary">#3F51B5</color> <color name="colorPrimaryDark">#303F9F</color> <color name="colorAccent">#FF4081</color> <color name="white">#FFFFFF</color> <color name="white2">#f5f3f3</color> <color name="colorRed">#d50f09</color> </resources>
dView