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sushanqiang
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android 手写签名
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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/libraries
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/.idea/modules.xml
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/.idea/workspace.xml
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.DS_Store
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/build
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/captures
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.externalNativeBuild

‎README.md

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# 带笔锋效果的手写签字控件
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Android平台原生手写签字控件，功能强大的开源项目。
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## 预览
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<img src='preview/blank.png' width='250' height='450'/> <img src='preview/grid.png' width='250' height='450'/>
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## 功能
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- 空白画板手写，田字格逐字手写
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- 实现笔锋效果
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- 支持橡皮擦，撤回/恢复，清空画布功能
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- 画笔颜色大小设置
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- 支持传入初始图片
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- 画布大小设置，文字区域裁剪
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- 主题颜色设置
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- 支持传入初始显示图片
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- 适配手机横竖屏布局
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‎alipay.jpg

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‎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 28
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buildToolsVersion "28.0.3"
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defaultConfig {
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applicationId "android.king.demo"
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minSdkVersion 16
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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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compileOptions {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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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:1.1.2'
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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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implementation project(':signlibrary')
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}

‎app/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

‎app/src/androidTest/java/android/king/signature/handwritesign/ExampleInstrumentedTest.java

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package android.king.signature.handwritesign;
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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("android.king.signaturesign", 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="android.king.demo">
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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="android.king.demo.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>

‎app/src/main/java/android/king/demo/MainActivity.java

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package android.king.demo;
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import android.Manifest;
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import android.app.Activity;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.graphics.Color;
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import android.king.signature.GridPaintActivity;
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import android.king.signature.PaintActivity;
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import android.king.signature.config.PenConfig;
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import android.support.v4.app.ActivityCompat;
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import android.support.v4.content.PermissionChecker;
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import android.support.v7.app.AppCompatActivity;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.View;
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import android.widget.ImageView;
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import android.widget.TextView;
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/**
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* 使用示例
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*/
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public class MainActivity extends AppCompatActivity {
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private TextView tvResult;
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private ImageView ivShow;
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private boolean isPermissionOk = false;
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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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if (PermissionChecker.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
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isPermissionOk = false;
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ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
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100);
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} else {
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isPermissionOk = true;
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}
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initView();
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//主题颜色配置
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PenConfig.THEME_COLOR = Color.parseColor("#0c53ab");
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}
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private void initView() {
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ivShow = findViewById(R.id.iv_show);
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tvResult = findViewById(R.id.tv_result);
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}
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/**
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* 空白签批
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* @param view
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*/
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public void openBlank(View view) {
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if (!isPermissionOk) {
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return;
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}
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Intent intent = new Intent(this, PaintActivity.class);
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// intent.putExtra("background", Color.WHITE);//画布背景色，默认透明，也是最终生成图片的背景色
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// intent.putExtra("width", 800); //画布宽度，最大值3000，默认占满布局
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// intent.putExtra("height", 800);//画布高度，最大值3000，默认占满布局
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intent.putExtra("crop", false); //最终的图片是否只截取文字区域
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intent.putExtra("format", PenConfig.FORMAT_PNG); //图片格式
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// intent.putExtra("image", imagePath); //初始图片
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startActivityForResult(intent, 100);
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}
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/**
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* 田字格签批
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* @param view
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*/
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public void openGrid(View view) {
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if (!isPermissionOk) {
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return;
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}
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Intent intent = new Intent(this, GridPaintActivity.class);
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intent.putExtra("background", Color.WHITE);
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intent.putExtra("crop", true);
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intent.putExtra("fontSize", 50); //手写字体大小
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intent.putExtra("format", PenConfig.FORMAT_PNG);
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intent.putExtra("lineLength", 10); //每行显示字数（超出屏幕支持横向滚动）
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startActivityForResult(intent, 100);
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}
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@Override
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protected void onActivityResult(int requestCode, int resultCode, Intent data) {
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if (requestCode == 100 && resultCode == Activity.RESULT_OK) {
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String savePath = data.getStringExtra(PenConfig.SAVE_PATH);
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Log.i("king", savePath);
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tvResult.setText(savePath);
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Bitmap bitmap = BitmapFactory.decodeFile(savePath);
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if (bitmap != null) {
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ivShow.setImageBitmap(bitmap);
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}
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}
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}
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@Override
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public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
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if (requestCode == 100) {
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if (permissions[0].equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)
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&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
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//用户同意使用write
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isPermissionOk = true;
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} else {
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//用户不同意，自行处理即可
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finish();
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}
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}
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}
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}

‎app/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:viewportHeight="108"
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android:viewportWidth="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:strokeColor="#00000000"
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android:strokeWidth="1">
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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:strokeColor="#00000000"
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android:strokeWidth="1" />
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</vector>

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