Question

无法在当前主题中找到样式'floatingActionButtonStyle'。

我什至尝试使用自己的style.xml

<style name="AppTheme" parent="Base.Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="floatingActionButtonStyle">@style/Widget.Design.FloatingActionButton</item>
</style>

它没有用。由于遇到了appcompat问题，我使用了Base.theme。 我的应用程序兼容性-'com.android.support:appcompat-v7:28.0.0-alpha1

这是显示错误的XML文件：

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="16dp"
android:paddingLeft="16dp"
android:paddingRight="16dp"
android:paddingTop="16dp"

tools:context=".MainActivity">

<android.support.design.widget.FloatingActionButton
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:clickable="true"
    android:focusable="true"
    android:src="@drawable/ic_send"
    android:id="@+id/fab"
    android:tint="@android:color/white"
    android:layout_alignParentBottom="true"
    android:layout_alignParentLeft="true"
    android:layout_alignParentStart="true"
    app:fabSize="mini"
    />
<android.support.design.widget.TextInputLayout
    android:layout_height="wrap_content"
    android:layout_width="match_parent"
    android:layout_toLeftOf="@+id/fab"
    android:layout_alignParentBottom="true"

    android:layout_toStartOf="@+id/fab"
    android:layout_alignParentStart="true"

    android:layout_alignParentLeft="true"
    >

    <EditText
        android:id="@+id/input"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Message..."
        android:inputType="text" />

</android.support.design.widget.TextInputLayout>

<ListView
    android:id="@+id/list_of_message"
    android:layout_alignParentTop="true"
    android:layout_alignParentStart="true"
    android:layout_above="@+id/fab"
    android:dividerHeight="16dp"
    android:divider="@android:color/transparent"
    android:layout_marginBottom="16dp"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_alignParentLeft="true">

</ListView>

</RelativeLayout>

Build.gradle（app）

  apply plugin: 'com.android.application'

    android {

    compileSdkVersion 28
    defaultConfig {
        applicationId "com.example.hp.chatapp"
        minSdkVersion 16
        targetSdkVersion 28
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
    }
dependencies {

    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:27.1.1'
    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'

    //add library
    implementation 'com.android.support:design:27.1.1'
   // implementation 'com.firebaseui:firebase-ui-database:4.1.0'

    }
    apply plugin: 'com.google.gms.google-services'

Answer 1

在发表所有评论之后，我想到了：

View includedLayout = rootView.findViewById(R.id.include_id);
Button deletebutton = rootView.findViewById(R.id.delete_seed);
deletebutton.setVisibility(View.GONE);

//Find included button
Button includedDeleteButton = includedLayout.findViewById(R.id.delete_seed);
includedDeleteButton.setVisibility(View.GONE);

我建议使用apply plugin: 'com.android.application' android { compileSdkVersion 27 defaultConfig { applicationId "com.example.hp.chatapp" minSdkVersion 16 targetSdkVersion 27 versionCode 1 versionName "1.0" testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } } dependencies { implementation fileTree(dir: 'libs', include: ['*.jar']) implementation 'com.android.support:appcompat-v7:27.1.1' implementation 'com.android.support.constraint:constraint-layout:1.1.2' testImplementation 'junit:junit:4.12' androidTestImplementation 'com.android.support.test:runner:1.0.2' androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2' //add library implementation 'com.android.support:design:27.1.1' // implementation 'com.firebaseui:firebase-ui-database:4.1.0' // consider using implementation 'com.firebaseui:firebase-ui-database:3.1.1' // see the question below } apply plugin: 'com.google.gms.google-services'和compileSdkVersion 27，因为您已经注意到

28.0.0-alpha1不支持FloatingActionButton样式。

，并且也可能会引起问题，如targetSdkVersion中一样。

有关alpha version here的问题。

其他：您可以搜索库here，查看有多少人在使用它或发布日期。

在当前主题中找不到样式“ floatingActionButtonStyle”

1 个答案: