【发布时间】：2021-12-20 03:12:21
【问题描述】：
在按照教程进行操作时，我的应用程序在尝试通过浮动操作按钮打开另一个 Activity 时不断崩溃。我无法弄清楚发生了什么，所以我恳请有人帮助我解决这个问题。如果可能的话，如果您能发送详细的解释和代码，我将不胜感激，因为我仍然是初学者，仅靠简单的答案我无法理解
错误
2021-11-06 16:46:03.395 18435-18435/com.example.memorymarker E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.memorymarker, PID: 18435
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.memorymarker/com.example.memorymarker.AddPlaceActivity}: android.view.InflateException: Binary XML file line #41: Binary XML file line #41: Error inflating class com.google.android.material.textfield.TextInputLayout
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2913)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6669)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
Caused by: android.view.InflateException: Binary XML file line #41: Binary XML file line #41: Error inflating class com.google.android.material.textfield.TextInputLayout
Caused by: android.view.InflateException: Binary XML file line #41: Error inflating class com.google.android.material.textfield.TextInputLayout
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.newInstance0(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:343)
at android.view.LayoutInflater.createView(LayoutInflater.java:647)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:790)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:730)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:863)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:866)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:866)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:699)
at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:195)
at com.example.memorymarker.AddPlaceActivity.onCreate(AddPlaceActivity.kt:12)
at android.app.Activity.performCreate(Activity.java:7136)
at android.app.Activity.performCreate(Activity.java:7127)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1271)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2893)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6669)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
2021-11-06 16:46:03.395 18435-18435/com.example.memorymarker E/AndroidRuntime: Caused by: java.lang.IllegalArgumentException: The style on this component requires your app theme to be Theme.MaterialComponents (or a descendant).
at com.google.android.material.internal.ThemeEnforcement.checkTheme(ThemeEnforcement.java:243)
at com.google.android.material.internal.ThemeEnforcement.checkMaterialTheme(ThemeEnforcement.java:217)
at com.google.android.material.internal.ThemeEnforcement.checkCompatibleTheme(ThemeEnforcement.java:145)
at com.google.android.material.internal.ThemeEnforcement.obtainTintedStyledAttributes(ThemeEnforcement.java:115)
at com.google.android.material.textfield.TextInputLayout.<init>(TextInputLayout.java:469)
at com.google.android.material.textfield.TextInputLayout.<init>(TextInputLayout.java:428)
... 32 more
我尝试进入的第二个活动
package com.example.memorymarker
import android.app.ActionBar
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.appcompat.app.ActionBarDrawerToggle
import androidx.appcompat.widget.Toolbar
class AddPlaceActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_add_place)
//for back button on action bar
var toolbar = findViewById<Toolbar>(R.id.toolbar_add_place)
setSupportActionBar(toolbar)
supportActionBar?.setDisplayHomeAsUpEnabled(true)
toolbar.setNavigationOnClickListener {
onBackPressed()
}
}
}
第二个活动 xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".AddPlaceActivity">
<androidx.appcompat.widget.Toolbar
android:id="@+id/toolbar_add_place"
android:background="@color/colorPrimary"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:theme="@style/CustomToolBarStyle"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
<ScrollView
android:id="@+id/sv_main"
android:layout_width="match_parent"
android:layout_height="0dp"
android:fillViewport="true"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/toolbar_add_place">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="@dimen/main_content_padding">
<com.google.android.material.textfield.TextInputLayout
android:id="@+id/til_title"
style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<androidx.appcompat.widget.AppCompatEditText
android:id="@+id/et_title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/edit_text_hint_title"
android:inputType="textCapWords"
android:textColor="@color/primary_text_color"
android:textColorHint="@color/secondary_text_color"
android:textSize="@dimen/edit_text_text_size" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:id="@+id/til_description"
style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/add_screen_til_marginTop"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/til_title">
<androidx.appcompat.widget.AppCompatEditText
android:id="@+id/et_description"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/edit_text_hint_description"
android:inputType="textCapSentences"
android:textColor="@color/primary_text_color"
android:textColorHint="@color/secondary_text_color"
android:textSize="@dimen/edit_text_text_size"/>
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:id="@+id/til_date"
style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/add_screen_til_marginTop"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/til_description">
<androidx.appcompat.widget.AppCompatEditText
android:id="@+id/et_date"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/edit_text_hint_date"
android:inputType="text"
android:textColor="@color/primary_text_color"
android:textColorHint="@color/secondary_text_color"
android:textSize="@dimen/edit_text_text_size" />
</com.google.android.material.textfield.TextInputLayout>
<com.google.android.material.textfield.TextInputLayout
android:id="@+id/til_location"
style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/add_screen_til_marginTop"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/til_date">
<androidx.appcompat.widget.AppCompatEditText
android:id="@+id/et_location"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="@string/edit_text_hint_location"
android:inputType="text"
android:textColor="@color/primary_text_color"
android:textColorHint="@color/secondary_text_color"
android:textSize="@dimen/edit_text_text_size" />
</com.google.android.material.textfield.TextInputLayout>
<androidx.appcompat.widget.AppCompatImageView
android:id="@+id/iv_place_image"
android:layout_width="@dimen/add_screen_place_image_size"
android:layout_height="@dimen/add_screen_place_image_size"
android:layout_marginTop="@dimen/add_screen_place_image_marginTop"
android:background="@drawable/shape_image_view_border"
android:padding="@dimen/add_screen_place_image_padding"
android:scaleType="centerCrop"
android:src="@drawable/add_screen_image_placeholder"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/til_location" />
<TextView
android:id="@+id/tv_add_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="@dimen/add_screen_text_add_image_marginTop"
android:background="?attr/selectableItemBackground"
android:gravity="center"
android:padding="@dimen/add_screen_text_add_image_padding"
android:text="@string/text_add_image"
android:textColor="@color/colorAccent"
android:textSize="@dimen/add_screen_text_add_image_textSize"
android:textStyle="bold"
app:layout_constraintBottom_toTopOf="@+id/btn_save"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.45"
app:layout_constraintStart_toEndOf="@+id/iv_place_image"
app:layout_constraintTop_toBottomOf="@+id/til_location"
app:layout_constraintVertical_bias="0.019" />
<Button
android:id="@+id/btn_save"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginTop="@dimen/add_screen_btn_save_marginTop"
android:background="@drawable/shape_button_rounded"
android:gravity="center"
android:paddingTop="@dimen/add_screen_btn_save_paddingTopBottom"
android:paddingBottom="@dimen/add_screen_btn_save_paddingTopBottom"
android:text="@string/btn_text_save"
android:textColor="@color/white"
android:textSize="@dimen/btn_text_size"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/iv_place_image" />
</androidx.constraintlayout.widget.ConstraintLayout>
</ScrollView>
</androidx.constraintlayout.widget.ConstraintLayout>
分级
plugins {
id 'com.android.application'
id 'kotlin-android'
}
android {
compileSdk 31
defaultConfig {
applicationId "com.example.memorymarker"
minSdk 28
targetSdk 31
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
kotlinOptions {
jvmTarget = '1.8'
}
}
dependencies {
implementation 'androidx.core:core-ktx:1.7.0'
implementation 'androidx.appcompat:appcompat:1.3.1'
implementation 'com.google.android.material:material:1.4.0'
implementation 'androidx.constraintlayout:constraintlayout:2.1.1'
testImplementation 'junit:junit:4.+'
androidTestImplementation 'androidx.test.ext:junit:1.1.3'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
}
【问题讨论】：
-
你能分享你的样式文件吗？
-
@Zain 我刚刚发现问题出在样式文件中，现在一切正常。谢谢