Android P visibilityawareimagebutton.setVisibility 只能从同一个库组调用
Android P visibilityawareimagebutton.setVisibility can only be called from the same library group
我正在尝试使用新的 Android P FloatingActionButton,它是 com.google.android.material.floatingactionbutton.FloatingActionButton
的一部分,但我收到此警告:
VisibilityAwareImageButton.setVisibility can only be called from the same library group (groupId=com.google.android.material)
import com.google.android.material.floatingactionbutton.FloatingActionButton
import android.view.View
class MainActivity : AppCompatActivity() {
lateinit var demoFab: FloatingActionButton
override fun onCreate(savedInstanceState: Bundle?) {
demoFab = findViewById(R.id.demoFab)
demoFab.visibility = View.VISIBLE // the warning is here
}
}
我试过搜索,唯一的搜索结果是关于响应 UI 可见性变化:
Respond to UI visibility changes
我试着探索如何查看 com.google.android.material
包中是否有 VISIBLE
int 值,我发现的唯一一个是 com.google.android.material.floatingactionbutton.FloatingActionButton.VISIBLE
,但警告仍然存在.
顶级build.gradle
buildscript {
ext.kotlin_version = '1.2.41'
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.2.0-alpha14'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
classpath "com.google.gms:oss-licenses:0.9.2"
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
google()
jcenter()
mavenCentral()
maven { url "http://oss.sonatype.org/content/repositories/snapshots/" }
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
项目级build.gradle
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
apply plugin: 'com.google.gms.oss.licenses.plugin'
android {
compileSdkVersion 'android-P'
defaultConfig {
applicationId "com.codeforsanjose.maps.pacmap"
minSdkVersion 21
targetSdkVersion 'P'
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
splits {
abi {
enable true
reset()
include 'arm64-v8a', 'armeabi', 'armeabi-v7a', 'mips', 'x86', 'x86_64'
universalApk false
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
buildTypes {
release {
minifyEnabled true
shrinkResources true
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
implementation 'androidx.appcompat:appcompat:1.0.0-alpha1'
implementation 'androidx.constraintlayout:constraintlayout:1.1.0'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'androidx.test:runner:1.1.0-alpha2'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0-alpha2'
implementation 'com.mapbox.mapboxsdk:mapbox-android-sdk:5.5.2'
//implementation 'com.mapbox.mapboxsdk:mapbox-android-sdk:6.1.0'
implementation 'com.mapbox.mapboxsdk:mapbox-android-plugin-locationlayer:0.5.0'
implementation 'com.mapbox.mapboxsdk:mapbox-android-navigation:0.13.0'
implementation 'com.mapbox.mapboxsdk:mapbox-android-navigation-ui:0.13.0'
implementation 'com.google.android.gms:play-services-oss-licenses:15.0.1'
implementation 'com.google.code.gson:gson:2.8.2'
implementation 'com.squareup.moshi:moshi:1.5.0'
implementation 'com.squareup.okhttp3:logging-interceptor:3.10.0'
implementation 'com.squareup.retrofit2:converter-gson:2.3.0'
implementation 'com.squareup.retrofit2:converter-moshi:2.4.0'
implementation "com.squareup.retrofit2:adapter-rxjava2:2.3.0"
implementation 'com.squareup.retrofit2:retrofit:2.4.0'
implementation 'io.reactivex.rxjava2:rxandroid:2.0.1'
implementation 'io.reactivex.rxjava2:rxkotlin:2.2.0'
}
编辑:
请注意,我使用的是 Android Studio 版本 3.2 canary 14。似乎已报告此版本的一些错误,我怀疑这是其中之一。
编辑 2:
问题仍然存在于 Android Studio 版本 3.2 canary 15,但我使用 show()
和 hide()
找到了解决方法
override fun onCreate(savedInstanceState: Bundle?) {
demoFab = findViewById(R.id.demoFab)
demoFab.show() // this works and doesn't have the warning
}
使用方法 1
demoFab.show(); // in place of visible
demoFab.hide(); // in place of Invisible suppress the warning/error for me.
和方法 2
@SuppressLint("RestrictedApi") // also suppressed the warning
private void setUp() {
....
}
更新:
方法三:
demoFab.setVisibility(View.GONE);
demoFab.setVisibility(View.INVISIBLE);
demoFab.setVisibility(View.VISIBLE);
方法四:
demoFab.visibility = View.GONE
demoFab.visibility = View.INVISIBLE
demoFab.visibility = View.VISIBLE
将其转换为视图似乎工作正常。
(mFloatingActionButton as View).visibility = INVISIBLE
当然你需要记住,可见性可能会影响其他组件,所以你应该同时使用 show()
和 hide()
以确保其他组件收到更改通知。
这也有效:
findViewById(R.id.fab).setVisibility(View.GONE);
对于 Kotlin 我有一个扩展方法
fun viewsVisibility(visibility: Int, vararg views: View) {
for (view in views) { view.visibility = visibility }
}
然后在代码中您可以执行以下操作
viewsVisibility(View.VISIBLE, demoFab)
viewsVisibility(View.GONE, demoFab)
viewsVisibility(View.INVISIBLE, demoFab, addFab, removeFab)
错误将消失,这为任何可见性状态提供了灵活性,同时接受要处理的视图列表。很多时候我需要一次处理多个视图,如最后一行所示。
使用:
myButton.hide();
myClearButton.hide();
一个典型的例子是:
在用户键入或关注 EditText 资源时隐藏和显示按钮:
检查用户是否正在输入或是否有焦点:
mCommentField.setOnFocusChangeListener(new View.OnFocusChangeListener() {
@Override
public void onFocusChange(View view, boolean hasFocus) {
if (hasFocus) {
//user has focused
showBts();
} else {
//focus has stopped perform your desired action
hideButtons();
}
}
});
隐藏和显示按钮方法:
private void hideButtons() {
mCommentButton.hide();
mClearButton.hide();
}
private void showBts() {
mCommentButton. show();
mClearButton.show();
并且在您的 xml 中,将按钮默认设置为不可见,以便它们仅 display/show 当用户获得焦点或正在键入时:
android:visibility="invisible"
最佳实践:
android:visibility="Gone"
使用 visibility gone 意味着您的视图不会占用布局上的任何 space 而 "invisible" 将占用布局上不必要的 space
在此 example:My 中,视图位于 ViewHolder 中,并且我使用 recylerview
引用片段中的按钮
if(data){
fragmentPendingApprovalDetailsBinding.fabPendingList.show();
}else {
fragmentPendingApprovalDetailsBinding.fabPendingList.hide();
}
对于com.google.android.material.floatingactionbutton.FloatingActionButton
能见度
使用显示和隐藏方法为 FloatingActionButton 的可见性设置动画。 show 动画放大 widget 并使其淡入,而 hide 动画缩小 widget 并使其淡出。
来源:https://material.io/develop/android/components/floating-action-button/
对于android.support.design.widget.FloatingActionButton
使用setVisibility()
方法
对我来说,上述方法不起作用,所以我创建了一个扩展函数来使其起作用。
fun View.showView() {
this.visibility = View.VISIBLE
}
fun View.hideView() {
this.visibility = View.GONE
}
现在打电话给
binding.fabAdded.showView()
我正在尝试使用新的 Android P FloatingActionButton,它是 com.google.android.material.floatingactionbutton.FloatingActionButton
的一部分,但我收到此警告:
VisibilityAwareImageButton.setVisibility can only be called from the same library group (groupId=com.google.android.material)
import com.google.android.material.floatingactionbutton.FloatingActionButton
import android.view.View
class MainActivity : AppCompatActivity() {
lateinit var demoFab: FloatingActionButton
override fun onCreate(savedInstanceState: Bundle?) {
demoFab = findViewById(R.id.demoFab)
demoFab.visibility = View.VISIBLE // the warning is here
}
}
我试过搜索,唯一的搜索结果是关于响应 UI 可见性变化:
Respond to UI visibility changes
我试着探索如何查看 com.google.android.material
包中是否有 VISIBLE
int 值,我发现的唯一一个是 com.google.android.material.floatingactionbutton.FloatingActionButton.VISIBLE
,但警告仍然存在.
顶级build.gradle
buildscript {
ext.kotlin_version = '1.2.41'
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.2.0-alpha14'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
classpath "com.google.gms:oss-licenses:0.9.2"
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
google()
jcenter()
mavenCentral()
maven { url "http://oss.sonatype.org/content/repositories/snapshots/" }
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
项目级build.gradle
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
apply plugin: 'com.google.gms.oss.licenses.plugin'
android {
compileSdkVersion 'android-P'
defaultConfig {
applicationId "com.codeforsanjose.maps.pacmap"
minSdkVersion 21
targetSdkVersion 'P'
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
splits {
abi {
enable true
reset()
include 'arm64-v8a', 'armeabi', 'armeabi-v7a', 'mips', 'x86', 'x86_64'
universalApk false
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
buildTypes {
release {
minifyEnabled true
shrinkResources true
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
implementation 'androidx.appcompat:appcompat:1.0.0-alpha1'
implementation 'androidx.constraintlayout:constraintlayout:1.1.0'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'androidx.test:runner:1.1.0-alpha2'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0-alpha2'
implementation 'com.mapbox.mapboxsdk:mapbox-android-sdk:5.5.2'
//implementation 'com.mapbox.mapboxsdk:mapbox-android-sdk:6.1.0'
implementation 'com.mapbox.mapboxsdk:mapbox-android-plugin-locationlayer:0.5.0'
implementation 'com.mapbox.mapboxsdk:mapbox-android-navigation:0.13.0'
implementation 'com.mapbox.mapboxsdk:mapbox-android-navigation-ui:0.13.0'
implementation 'com.google.android.gms:play-services-oss-licenses:15.0.1'
implementation 'com.google.code.gson:gson:2.8.2'
implementation 'com.squareup.moshi:moshi:1.5.0'
implementation 'com.squareup.okhttp3:logging-interceptor:3.10.0'
implementation 'com.squareup.retrofit2:converter-gson:2.3.0'
implementation 'com.squareup.retrofit2:converter-moshi:2.4.0'
implementation "com.squareup.retrofit2:adapter-rxjava2:2.3.0"
implementation 'com.squareup.retrofit2:retrofit:2.4.0'
implementation 'io.reactivex.rxjava2:rxandroid:2.0.1'
implementation 'io.reactivex.rxjava2:rxkotlin:2.2.0'
}
编辑:
请注意,我使用的是 Android Studio 版本 3.2 canary 14。似乎已报告此版本的一些错误,我怀疑这是其中之一。
编辑 2:
问题仍然存在于 Android Studio 版本 3.2 canary 15,但我使用 show()
和 hide()
override fun onCreate(savedInstanceState: Bundle?) {
demoFab = findViewById(R.id.demoFab)
demoFab.show() // this works and doesn't have the warning
}
使用方法 1
demoFab.show(); // in place of visible
demoFab.hide(); // in place of Invisible suppress the warning/error for me.
和方法 2
@SuppressLint("RestrictedApi") // also suppressed the warning
private void setUp() {
....
}
更新:
方法三:
demoFab.setVisibility(View.GONE);
demoFab.setVisibility(View.INVISIBLE);
demoFab.setVisibility(View.VISIBLE);
方法四:
demoFab.visibility = View.GONE
demoFab.visibility = View.INVISIBLE
demoFab.visibility = View.VISIBLE
将其转换为视图似乎工作正常。
(mFloatingActionButton as View).visibility = INVISIBLE
当然你需要记住,可见性可能会影响其他组件,所以你应该同时使用 show()
和 hide()
以确保其他组件收到更改通知。
这也有效:
findViewById(R.id.fab).setVisibility(View.GONE);
对于 Kotlin 我有一个扩展方法
fun viewsVisibility(visibility: Int, vararg views: View) {
for (view in views) { view.visibility = visibility }
}
然后在代码中您可以执行以下操作
viewsVisibility(View.VISIBLE, demoFab)
viewsVisibility(View.GONE, demoFab)
viewsVisibility(View.INVISIBLE, demoFab, addFab, removeFab)
错误将消失,这为任何可见性状态提供了灵活性,同时接受要处理的视图列表。很多时候我需要一次处理多个视图,如最后一行所示。
使用:
myButton.hide();
myClearButton.hide();
一个典型的例子是:
在用户键入或关注 EditText 资源时隐藏和显示按钮:
检查用户是否正在输入或是否有焦点:
mCommentField.setOnFocusChangeListener(new View.OnFocusChangeListener() {
@Override
public void onFocusChange(View view, boolean hasFocus) {
if (hasFocus) {
//user has focused
showBts();
} else {
//focus has stopped perform your desired action
hideButtons();
}
}
});
隐藏和显示按钮方法:
private void hideButtons() {
mCommentButton.hide();
mClearButton.hide();
}
private void showBts() {
mCommentButton. show();
mClearButton.show();
并且在您的 xml 中,将按钮默认设置为不可见,以便它们仅 display/show 当用户获得焦点或正在键入时:
android:visibility="invisible"
最佳实践:
android:visibility="Gone"
使用 visibility gone 意味着您的视图不会占用布局上的任何 space 而 "invisible" 将占用布局上不必要的 space
在此 example:My 中,视图位于 ViewHolder 中,并且我使用 recylerview
引用片段中的按钮if(data){
fragmentPendingApprovalDetailsBinding.fabPendingList.show();
}else {
fragmentPendingApprovalDetailsBinding.fabPendingList.hide();
}
对于com.google.android.material.floatingactionbutton.FloatingActionButton
能见度
使用显示和隐藏方法为 FloatingActionButton 的可见性设置动画。 show 动画放大 widget 并使其淡入,而 hide 动画缩小 widget 并使其淡出。
来源:https://material.io/develop/android/components/floating-action-button/
对于android.support.design.widget.FloatingActionButton
使用setVisibility()
方法
对我来说,上述方法不起作用,所以我创建了一个扩展函数来使其起作用。
fun View.showView() {
this.visibility = View.VISIBLE
}
fun View.hideView() {
this.visibility = View.GONE
}
现在打电话给
binding.fabAdded.showView()