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.gitignore

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*.iml
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.gradle
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/local.properties
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/.idea/workspace.xml
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/.idea/libraries
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.DS_Store
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/build
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/captures
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.externalNativeBuild

.idea/compiler.xml

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.idea/copyright/profiles_settings.xml

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.idea/encodings.xml

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.idea/gradle.xml

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.idea/markdown-navigator.xml

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.idea/markdown-navigator/profiles_settings.xml

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.idea/misc.xml

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.idea/modules.xml

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.idea/runConfigurations.xml

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.idea/vcs.xml

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README.md

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![](images/icon.png)
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HenCoder 绘制 3 练习项目
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===
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### 这是什么?
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这不是一个独立使用的项目,它是 [HenCoder Android 开发进阶:UI 1-3 文字的绘制](http://hencoder.com/ui-1-3) 的配套练习项目。
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### 怎么用?
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项目是一个可以直接运行的 Android App 项目,项目运行后,在手机上打开是这样的:
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![](images/preview.png)
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工程下有一个 `/practice` 目录:
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![](images/project_practice.png)
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你要做的是就是,在 `/practice` 下的每一个 `PracticeXxxView.java` 文件中写代码,绘制出和页面上半部分相同的效果。例如写 `PracticeSetUnderlineTextView.java` 以绘制出带有下划线的文字。就像这样:
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![](images/preview_after.png)
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> 当然,没必要做得和示例一毛一样。这是一个练习,而不是一个超级模仿秀,关键是把技能掌握。
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如果做不出来,可以参考 `/sample` 目录下的代码:
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![](images/project_sample.png)
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练习做完,绘制第三期(文字的绘制)的内容也就掌握得差不多了。

app/.gitignore

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/build

app/build.gradle

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apply plugin: 'com.android.application'
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android {
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compileSdkVersion 25
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buildToolsVersion "25.0.3"
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defaultConfig {
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applicationId "com.hencoder.hencoderpracticedraw3"
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minSdkVersion 18
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targetSdkVersion 25
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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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compile fileTree(dir: 'libs', include: ['*.jar'])
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androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
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exclude group: 'com.android.support', module: 'support-annotations'
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})
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compile 'com.android.support:appcompat-v7:25.3.1'
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compile 'com.android.support.constraint:constraint-layout:1.0.2'
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compile 'com.android.support:support-core-ui:25.3.1'
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compile 'com.android.support:design:25.3.1'
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testCompile 'junit:junit:4.12'
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}

app/proguard-rules.pro

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# Add project specific ProGuard rules here.
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# By default, the flags in this file are appended to flags specified
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# in /Users/rengwuxian/.android-sdk/tools/proguard/proguard-android.txt
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# You can edit the include path and order by changing the proguardFiles
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# directive 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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# Add any project specific keep options here:
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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
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package com.hencoder.hencoderpracticedraw3;
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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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* Instrumentation 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() throws Exception {
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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.hencoderpracticedraw3", appContext.getPackageName());
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}
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}

app/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.hencoderpracticedraw3">
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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:supportsRtl="true"
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android:theme="@style/AppTheme">
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<activity android:name="com.hencoder.hencoderpracticedraw3.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>
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