Question

如何制作带有渐变的可绘制圆？我想要看起来像这样的

实际上我做到了：

使用以下代码：

3:43:02 PM: Executing task 'launchIPadSimulator'...

The CompileOptions.bootClasspath property has been deprecated and is scheduled to be removed in Gradle 5.0. Please use the CompileOptions.bootstrapClasspath property instead.
Note: /Users/sovandara/Documents/KhmerDEV/Project/cashmag/source_code/contactapp/ContactApp/src/main/java/com/khmerdev/sample/H2app.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: /Users/sovandara/Documents/KhmerDEV/Project/cashmag/source_code/contactapp/ContactApp/src/main/java/com/khmerdev/sample/H2app.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
:ContactApp:compileJava
:ContactApp:processResources UP-TO-DATE
:ContactApp:classes
:ContactApp:createDefaultIOSLauncher UP-TO-DATE
:ContactApp:compileIosJava UP-TO-DATE
:ContactApp:processIosResources NO-SOURCE
:ContactApp:iosClasses UP-TO-DATE
:ContactApp:iosExtractNativeLibs UP-TO-DATE
:ContactApp:launchIPadSimulator
Root pattern javax.annotations.**.* matches no classes
Root pattern javax.inject.**.* matches no classes
javax.xml.stream.XMLEventFactory=com.sun.xml.stream.events.ZephyrEvent...
java.vendor.url=http://www.robovm.org/
java.ext.dirs=
line.separator=

file.encoding=UTF-8
java.runtime.version=0.9
user.name=mobile
java.compiler=
prism.static.libraries=true
android.icu.unicode.version=6.2
javax.xml.stream.XMLOutputFactory=com.sun.xml.stream.ZephyrWriterFactory
java.version=0
android.icu.library.version=51.1.0.1
os.arch=x86_64
java.io.tmpdir=/Users/sovandara/Library/Developer/Co...
glass.platform=ios
android.zlib.version=1.2.8
user.language=en
java.vm.version=2.3.1-ios11
com.sun.javafx.isEmbedded=true
javax.xml.stream.XMLInputFactory=com.sun.xml.stream.ZephyrParserFactory
path.separator=:
java.runtime.name=RoboVM Runtime
java.specification.version=0.9
user.dir=/Users/sovandara/Library/Developer/Co...
java.vm.specification.vendor=RoboVM
java.vm.name=RoboVM
java.vm.specification.version=0.9
prism.useNativeIIO=false
user.home=/Users/sovandara/Library/Developer/Co...
jfxmedia.platforms=IOSPlatform
java.specification.name=RoboVM Core Library
file.separator=/
user.variant=
os.version=10.13.5
java.boot.class.path=/Users/sovandara/Library/Developer/Co...
java.vm.specification.name=RoboVM Virtual Machine Specification
javafx.platform=ios
user.region=US
os.name=iOS Simulator
java.class.path=/Users/sovandara/Library/Developer/Co...
prism.verbose=true
java.specification.vendor=RoboVM
java.vm.vendor=RoboVM
prism.mintexturesize=16
prism.allowhidpi=true
java.vendor=RoboVM
android.icu.cldr.version=23.1
android.openssl.version=OpenSSL 1.0.1e 11 Feb 2013
java.home=/Users/sovandara/Library/Developer/Co...
java.vm.vendor.url=http://www.robovm.org/
java.class.version=50.0
Prism pipeline init order: es2 
Using native-based Pisces rasterizer
Using dirty region optimizations
Using system sized mask for primitives
Not forcing power of 2 sizes for textures
Using hardware CLAMP_TO_ZERO mode
Opting in for HiDPI pixel scaling
Prism pipeline name = com.sun.prism.es2.ES2Pipeline
Loading ES2 native library ... prism_es2
    succeeded.
GLFactory using com.sun.prism.es2.IOSGLFactory
IOSWindowSystemInterface : share 0 view 0 pf otready 
GL_VERSION string = OpenGL ES 2.0 APPLE-16.4.2
GL_VERSION (major.minor) = 0.0
  initialize() returns 140384845988192
(X) Got class = class com.sun.prism.es2.ES2Pipeline
Initialized prism pipeline: com.sun.prism.es2.ES2Pipeline
IOSWindowSystemInterface : share 271e0 view 0 pf otready 
GL_VERSION string = OpenGL ES 2.0 APPLE-16.4.2
GL_VERSION (major.minor) = 0.0
CTXINFO vendor
CTXINFO renderer
CTXINFO glExtensions
CTXINFO GL_ARB_pixel_buffer_object
CTXINFO allocate the structure
CTXINFO set function pointers
Attributes = onScreen: trueredSize : 8, greenSize : 8, blueSize : 8, alphaSize : 8, depthSize : 24, doubleBuffer : true
  initialize() returns 140384843884416
IOSWindowSystemInterface : share 271e0 view 0 pf otready 
GL_VERSION string = OpenGL ES 2.0 APPLE-16.4.2
GL_VERSION (major.minor) = 0.0
CTXINFO vendor
CTXINFO renderer
CTXINFO glExtensions
CTXINFO GL_ARB_pixel_buffer_object
CTXINFO allocate the structure
CTXINFO set function pointers
Attributes = onScreen: trueredSize : 8, greenSize : 8, blueSize : 8, alphaSize : 8, depthSize : 24, doubleBuffer : true
  initialize() returns 140384847044992
Maximum supported texture size: 4096
Non power of two texture support = false
Maximum number of vertex attributes = 16
Maximum number of uniform vertex components = 512
Maximum number of uniform fragment components = 256
Maximum number of varying components = 32
Maximum number of texture units usable in a vertex shader = 8
Maximum number of texture units usable in a fragment shader = 8
Graphics Vendor: Apple Inc.
       Renderer: Apple Software Renderer
        Version: OpenGL ES 2.0 APPLE-16.4.2
 vsync: true vpipe: true
[WARN] java.lang.Class: Class.forName() failed to load 'com.sun.javafx.font.t2k.T2KFactory'. Use the -forcelinkclasses command line option or add <forceLinkClasses><pattern>com.sun.javafx.font.t2k.T2KFactory</pattern></forceLinkClasses> to your robovm.xml file to link it in.
2018-07-12 15:44:22.410 ContactApp[12971:469616] Done creating private storage /Users/sovandara/Library/Developer/CoreSimulator/Devices/6B6CA6F1-290F-4BC2-BAF3-47DEDD738A4A/data/Containers/Data/Application/A69488DB-53AA-4833-9BA8-E07EDDF44C46/Library/gluon
[WARN] java.lang.Class: Class.forName() failed to load 'javax.xml.stream.FactoryFinder$ClassLoaderFinderConcrete'. Use the -forcelinkclasses command line option or add <forceLinkClasses><pattern>javax.xml.stream.FactoryFinder$ClassLoaderFinderConcrete</pattern></forceLinkClasses> to your robovm.xml file to link it in.
Jul 12, 2018 3:44:22 PM java.util.logging.LoggingProxyImpl log
WARNING: Loading FXML document with JavaFX API of version 10.0.1 by JavaFX runtime of version 8.0.72-ea
path=/Users/sovandara/Library/Developer/CoreSimulator/Devices/6B6CA6F1-290F-4BC2-BAF3-47DEDD738A4A/data/Containers/Data/Application/A69488DB-53AA-4833-9BA8-E07EDDF44C46/Library/gluon
dbUrl=jdbc:h2:/Users/sovandara/Library/Developer/CoreSimulator/Devices/6B6CA6F1-290F-4BC2-BAF3-47DEDD738A4A/data/Containers/Data/Application/A69488DB-53AA-4833-9BA8-E07EDDF44C46/Library/gluon/CONTACT;FILE_LOCK=FS;PAGE_SIZE=1024;CACHE_SIZE=8192
getConnection=
[WARN] java.lang.Class: Class.forName() failed to load 'org.h2.upgrade.v1_1.Driver'. Use the -forcelinkclasses command line option or add <forceLinkClasses><pattern>org.h2.upgrade.v1_1.Driver</pattern></forceLinkClasses> to your robovm.xml file to link it in.
IOException: javafx.fxml.LoadException: 
file:/Users/sovandara/Library/Developer/CoreSimulator/Devices/6B6CA6F1-290F-4BC2-BAF3-47DEDD738A4A/data/Containers/Bundle/Application/AA0E7D96-ED31-4898-B6D8-05E7DD037568/ContactApp.app/lib/classes28.jar!/com/khmerdev/views/contact.fxml

[WARN] java.lang.Class: Class.forName() failed to load 'com.sun.javafx.tk.quantum.QuantumMessagesBundle_en_US'. Use the -forcelinkclasses command line option or add <forceLinkClasses><pattern>com.sun.javafx.tk.quantum.QuantumMessagesBundle_en_US</pattern></forceLinkClasses> to your robovm.xml file to link it in.
[WARN] java.lang.Class: Class.forName() failed to load 'com.sun.javafx.tk.quantum.QuantumMessagesBundle_en'. Use the -forcelinkclasses command line option or add <forceLinkClasses><pattern>com.sun.javafx.tk.quantum.QuantumMessagesBundle_en</pattern></forceLinkClasses> to your robovm.xml file to link it in.
[WARN] java.lang.Class: Class.forName() failed to load 'com.sun.javafx.tk.quantum.QuantumMessagesBundle'. Use the -forcelinkclasses command line option or add <forceLinkClasses><pattern>com.sun.javafx.tk.quantum.QuantumMessagesBundle</pattern></forceLinkClasses> to your robovm.xml file to link it in.
[WARN] java.lang.Class: Class.forName() failed to load 'com.oracle.jrockit.jfr.FlightRecorder'. Use the -forcelinkclasses command line option or add <forceLinkClasses><pattern>com.oracle.jrockit.jfr.FlightRecorder</pattern></forceLinkClasses> to your robovm.xml file to link it in.
setSwapInterval(1)
max rectangle texture cell size = 89
wrap rectangle texture = 2 x 2
ES2ResourceFactory: Prism - createStockShader: AlphaTexture_Color.frag
PPSRenderer: scenario.effect - createShader: LinearConvolveShadow_20
ES2ResourceFactory: Prism - createStockShader: Solid_TextureRGB.frag
Growing pool ES2 Vram Pool target to 73,400,324
Growing pool ES2 Vram Pool target to 88,080,388
ES2ResourceFactory: Prism - createStockShader: Texture_Color.frag
Growing pool ES2 Vram Pool target to 97,533,956
PPSRenderer: scenario.effect - createShader: LinearConvolveShadow_64
Growing pool ES2 Vram Pool target to 105,922,564
setSwapInterval(0)
setSwapInterval(1)
setSwapInterval(0)
setSwapInterval(1)
Growing pool ES2 Vram Pool target to 117,211,140
PPSRenderer: scenario.effect - createShader: LinearConvolve_16

Answer 1

像这样

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:innerRadius="80dp"
    android:shape="ring"
    android:thickness="20dp"
    android:useLevel="false">
    <size
        android:width="200dp"
        android:height="200dp" />
    <gradient
        android:centerColor="#BC3636"
        android:endColor="#37BF66"
        android:startColor="#37BF66" />
</shape>

：

希望这可能对您有帮助

带有渐变的Android可绘制圆

1 个答案: