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rengwuxianrengwuxian
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06 绘制 1
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‎06-drawing/.gitignore

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/build

‎06-drawing/build.gradle

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apply plugin: 'com.android.application'
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android {
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compileSdkVersion 28
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defaultConfig {
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applicationId "com.hencoder.plus"
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minSdkVersion 21
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targetSdkVersion 28
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versionCode 1
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versionName "1.0"
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testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
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}
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}
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}
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dependencies {
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implementation fileTree(dir: 'libs', include: ['*.jar'])
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implementation 'com.android.support:appcompat-v7:28.0.0'
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implementation 'com.android.support.constraint:constraint-layout:1.1.3'
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testImplementation 'junit:junit:4.12'
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androidTestImplementation 'com.android.support.test:runner:1.0.2'
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androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
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}

‎06-drawing/proguard-rules.pro

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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile

‎06-drawing/src/androidTest/java/com/hencoder/plus/ExampleInstrumentedTest.java

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package com.hencoder.plus;
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import android.content.Context;
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import android.support.test.InstrumentationRegistry;
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import android.support.test.runner.AndroidJUnit4;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import static org.junit.Assert.*;
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
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*/
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@RunWith(AndroidJUnit4.class)
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public class ExampleInstrumentedTest {
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@Test
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public void useAppContext() {
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// Context of the app under test.
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Context appContext = InstrumentationRegistry.getTargetContext();
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assertEquals("com.hencoder.plus2", appContext.getPackageName());
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}
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}

‎06-drawing/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.hencoder.plus">
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<uses-permission android:name="android.permission.INTERNET" />
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<application
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android:allowBackup="true"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/AppTheme">
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<activity android:name="com.hencoder.plus.MainActivity">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎06-drawing/src/main/assets/Quicksand-Regular.ttf

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‎06-drawing/src/main/java/com/hencoder/plus/MainActivity.java

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package com.hencoder.plus;
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import android.os.Bundle;
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import android.support.v7.app.AppCompatActivity;
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public class MainActivity extends AppCompatActivity {
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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}
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}

‎06-drawing/src/main/java/com/hencoder/plus/Utils.java

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package com.hencoder.plus;
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import android.content.res.Resources;
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import android.util.TypedValue;
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public class Utils {
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public static float dp2px(float dp) {
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return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, Resources.getSystem().getDisplayMetrics());
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}
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}

‎06-drawing/src/main/java/com/hencoder/plus/view/AvatarView.java

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package com.hencoder.plus.view;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.PorterDuff;
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import android.graphics.PorterDuffXfermode;
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import android.graphics.Rect;
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import android.graphics.RectF;
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import android.graphics.Xfermode;
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import android.support.annotation.Nullable;
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import android.util.AttributeSet;
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import android.view.View;
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import com.hencoder.plus.R;
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import com.hencoder.plus.Utils;
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public class AvatarView extends View {
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private static final float WIDTH = Utils.dp2px(300);
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private static final float PADDING = Utils.dp2px(50);
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private static final float EDGE_WIDTH = Utils.dp2px(10);
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Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
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Xfermode xfermode = new PorterDuffXfermode(PorterDuff.Mode.SRC_IN);
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Bitmap bitmap;
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RectF savedArea = new RectF();
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public AvatarView(Context context, @Nullable AttributeSet attrs) {
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super(context, attrs);
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}
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{
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bitmap = getAvatar((int) WIDTH);
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}
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@Override
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protected void onSizeChanged(int w, int h, int oldw, int oldh) {
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super.onSizeChanged(w, h, oldw, oldh);
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savedArea.set(PADDING, PADDING, PADDING + WIDTH, PADDING + WIDTH);
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}
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@Override
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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canvas.drawOval(PADDING, PADDING, PADDING + WIDTH, PADDING + WIDTH, paint);
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int saved = canvas.saveLayer(savedArea, paint);
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canvas.drawOval(PADDING + EDGE_WIDTH, PADDING + EDGE_WIDTH, PADDING + WIDTH - EDGE_WIDTH, PADDING + WIDTH - EDGE_WIDTH, paint);
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paint.setXfermode(xfermode);
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canvas.drawBitmap(bitmap, PADDING, PADDING, paint);
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paint.setXfermode(null);
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canvas.restoreToCount(saved);
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}
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Bitmap getAvatar(int width) {
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BitmapFactory.Options options = new BitmapFactory.Options();
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options.inJustDecodeBounds = true;
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BitmapFactory.decodeResource(getResources(), R.drawable.avatar_rengwuxian, options);
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options.inJustDecodeBounds = false;
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options.inDensity = options.outWidth;
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options.inTargetDensity = width;
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return BitmapFactory.decodeResource(getResources(), R.drawable.avatar_rengwuxian, options);
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}
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}

‎06-drawing/src/main/java/com/hencoder/plus/view/Dashboard.java

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package com.hencoder.plus.view;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.Path;
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import android.graphics.PathDashPathEffect;
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import android.graphics.PathMeasure;
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import android.support.annotation.Nullable;
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import android.util.AttributeSet;
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import android.view.View;
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import com.hencoder.plus.Utils;
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public class Dashboard extends View {
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private static final int ANGLE = 120;
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private static final float RADIUS = Utils.dp2px(150);
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private static final float LENGTH = Utils.dp2px(100);
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Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
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Path dash = new Path();
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PathDashPathEffect effect;
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public Dashboard(Context context, @Nullable AttributeSet attrs) {
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super(context, attrs);
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}
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{
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paint.setStyle(Paint.Style.STROKE);
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paint.setStrokeWidth(Utils.dp2px(2));
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dash.addRect(0, 0, Utils.dp2px(2), Utils.dp2px(10), Path.Direction.CW);
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Path arc = new Path();
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arc.addArc(getWidth() / 2 - RADIUS, getHeight() / 2 - RADIUS, getWidth() / 2 + RADIUS , getHeight() / 2 + RADIUS, 90 + ANGLE / 2, 360 - ANGLE);
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PathMeasure pathMeasure = new PathMeasure(arc, false);
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effect = new PathDashPathEffect(dash, (pathMeasure.getLength() - Utils.dp2px(2)) / 20, 0, PathDashPathEffect.Style.ROTATE);
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}
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@Override
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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// 画线
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canvas.drawArc(getWidth() / 2 - RADIUS, getHeight() / 2 - RADIUS, getWidth() / 2 + RADIUS , getHeight() / 2 + RADIUS, 90 + ANGLE / 2, 360 - ANGLE, false, paint);
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// 画刻度
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paint.setPathEffect(effect);
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canvas.drawArc(getWidth() / 2 - RADIUS, getHeight() / 2 - RADIUS, getWidth() / 2 + RADIUS , getHeight() / 2 + RADIUS, 90 + ANGLE / 2, 360 - ANGLE, false, paint);
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paint.setPathEffect(null);
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// 画指针
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canvas.drawLine(getWidth() / 2, getHeight() / 2,
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(float) Math.cos(Math.toRadians(getAngleFromMark(5))) * LENGTH + getWidth() / 2,
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(float) Math.sin(Math.toRadians(getAngleFromMark(5))) * LENGTH + getHeight() / 2,
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paint);
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}
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int getAngleFromMark(int mark) {
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return (int) (90 + (float) ANGLE / 2 + (360 - (float) ANGLE) / 20 * mark);
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}
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}

‎06-drawing/src/main/java/com/hencoder/plus/view/PieChart.java

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package com.hencoder.plus.view;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.RectF;
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import android.support.annotation.Nullable;
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import android.util.AttributeSet;
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import android.view.View;
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import com.hencoder.plus.Utils;
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public class PieChart extends View {
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private static final int RADIUS = (int) Utils.dp2px(150);
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private static final int LENGTH = (int) Utils.dp2px(20);
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private static final int PULLED_OUT_INDEX = 2;
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Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
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RectF bounds = new RectF();
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int[] angles = {60, 100, 120, 80};
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int[] colors = {Color.parseColor("#2979FF"), Color.parseColor("#C2185B"),
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Color.parseColor("#009688"), Color.parseColor("#FF8F00")};
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public PieChart(Context context, @Nullable AttributeSet attrs) {
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super(context, attrs);
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}
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@Override
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protected void onSizeChanged(int w, int h, int oldw, int oldh) {
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super.onSizeChanged(w, h, oldw, oldh);
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bounds.set(getWidth() / 2 - RADIUS, getHeight() / 2 - RADIUS, getWidth() / 2 + RADIUS, getHeight() / 2 + RADIUS);
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}
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@Override
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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int currentAngle = 0;
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for (int i = 0; i < angles.length; i++) {
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paint.setColor(colors[i]);
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canvas.save();
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if (i == PULLED_OUT_INDEX) {
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canvas.translate((float) Math.cos(Math.toRadians(currentAngle + angles[i] / 2)) * LENGTH,
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(float) Math.sin(Math.toRadians(currentAngle + angles[i] / 2)) * LENGTH);
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}
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canvas.drawArc(bounds, currentAngle, angles[i], true, paint);
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canvas.restore();
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currentAngle += angles[i];
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}
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}
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}

‎06-drawing/src/main/res/drawable-v24/ic_launcher_foreground.xml

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<vector xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:aapt="http://schemas.android.com/aapt"
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android:width="108dp"
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android:height="108dp"
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android:viewportWidth="108"
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android:viewportHeight="108">
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<path
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android:fillType="evenOdd"
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android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
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android:strokeWidth="1"
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android:strokeColor="#00000000">
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<aapt:attr name="android:fillColor">
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<gradient
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android:endX="78.5885"
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android:endY="90.9159"
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android:startX="48.7653"
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android:startY="61.0927"
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android:type="linear">
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<item
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android:color="#44000000"
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android:offset="0.0" />
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<item
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android:color="#00000000"
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android:offset="1.0" />
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</gradient>
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</aapt:attr>
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</path>
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<path
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android:fillColor="#FFFFFF"
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android:fillType="nonZero"
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android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
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android:strokeWidth="1"
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android:strokeColor="#00000000" />
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</vector>

‎06-drawing/src/main/res/drawable/avatar_rengwuxian.png

44.7 KB
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