我认为问题出在xml文件中。应用程序在模拟器中运行良好,但在我尝试打开另一个活动时,实际设备崩溃。下面是我的xml和logcat。我正在从firebase中检索数据,但是当我打开活动时,它只会在手机上崩溃,但在模拟器上工作正常。下面的设计视图显示无法实例化一个或多个类。
android.content.res.Resources$NotFoundException
at com.android.layoutlib.bridge.android.BridgeContext.obtainStyledAttributes(BridgeContext.java:681)
at android.content.res.Resources_Theme_Delegate.obtainStyledAttributes(Resources_Theme_Delegate.java:71)
at android.content.res.Resources$Theme.obtainStyledAttributes(Resources.java:1436)
at android.content.Context.obtainStyledAttributes(Context.java:587)
at android.support.v7.widget.TintTypedArray.obtainStyledAttributes(TintTypedArray.java:59)
at android.support.design.widget.CollapsingTextHelper.setExpandedTextAppearance(CollapsingTextHelper.java:231)
at android.support.design.widget.CollapsingToolbarLayout.<init>(CollapsingToolbarLayout.java:197)
at android.support.design.widget.CollapsingToolbarLayout.<init>(CollapsingToolbarLayout.java:143)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.jetbrains.android.uipreview.ViewLoader.createNewInstance(ViewLoader.java:475)
at org.jetbrains.android.uipreview.ViewLoader.loadClass(ViewLoader.java:262)
at org.jetbrains.android.uipreview.ViewLoader.loadView(ViewLoader.java:220)
at com.android.tools.idea.rendering.LayoutlibCallbackImpl.loadView(LayoutlibCallbackImpl.java:186)
at android.view.BridgeInflater.loadCustomView(BridgeInflater.java:334)
at android.view.BridgeInflater.loadCustomView(BridgeInflater.java:345)
at android.view.BridgeInflater.createViewFromTag(BridgeInflater.java:245)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:727)
at android.view.LayoutInflater.rInflate_Original(LayoutInflater.java:858)
at android.view.LayoutInflater_Delegate.rInflate(LayoutInflater_Delegate.java:70)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:834)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:821)
at android.view.LayoutInflater.rInflate_Original(LayoutInflater.java:861)
at android.view.LayoutInflater_Delegate.rInflate(LayoutInflater_Delegate.java:70)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:834)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:821)
at android.view.LayoutInflater.inflate(LayoutInflater.java:518)
at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
at com.android.layoutlib.bridge.impl.RenderSessionImpl.inflate(RenderSessionImpl.java:324)
at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:429)
at com.android.ide.common.rendering.LayoutLibrary.createSession(LayoutLibrary.java:368)
at com.android.tools.idea.rendering.RenderTask$2.compute(RenderTask.java:567)
at com.android.tools.idea.rendering.RenderTask$2.compute(RenderTask.java:549)
at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:863)
at com.android.tools.idea.rendering.RenderTask.createRenderSession(RenderTask.java:549)
at com.android.tools.idea.rendering.RenderTask.lambda$inflate$1(RenderTask.java:680)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
XML代码
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout 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="com.food.sheenishere.stark.FoodDetail"
>
<android.support.design.widget.AppBarLayout
android:id="@+id/app_bar_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
android:fitsSystemWindows="true"
>
<android.support.design.widget.CollapsingToolbarLayout
android:id="@+id/collapsing"
android:layout_width="match_parent"
android:layout_height="350dp"
android:fitsSystemWindows="true"
app:layout_scrollFlags="scroll|exitUntilCollapsed"
app:contentScrim="#0e0d0e"
app:expandedTitleTextAppearance="@android:color/transparent"
>
<ImageView
android:id="@+id/img_food"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:contentDescription="@null"
android:scaleType="centerCrop"
app:layout_collapseMode="parallax"
/>
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:title="Food Name"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
app:layout_collapseMode="parallax"
tools:ignore="HardcodedText">
</android.support.v7.widget.Toolbar>
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<android.support.design.widget.FloatingActionButton
android:id="@+id/btnCart"
android:src="@drawable/ic_shopping_cart_black_24dp"
android:backgroundTint="@android:color/white"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:elevation="6dp"
app:pressedTranslationZ="12dp"
app:layout_anchor="@id/app_bar_layout"
app:layout_anchorGravity="bottom|right|end"
app:useCompatPadding="true"
tools:ignore="UnusedAttribute,VectorDrawableCompat" />
<android.support.v4.widget.NestedScrollView
android:id="@+id/nestedScrollView"
android:clipToPadding="false"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
>
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v7.widget.CardView
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:cardElevation="5dp"
app:cardUseCompatPadding="true"
>
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/food_name"
android:layout_marginTop="8dp"
android:padding="12dp"
android:text="Food Name"
android:textColor="@color/colorPrimary"
android:textSize="20sp"
android:textStyle="bold"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
tools:ignore="HardcodedText" />
<LinearLayout
android:id="@+id/layout_price"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ImageView
android:src="@drawable/ic_attach_money_black_24dp"
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="wrap_content"
tools:ignore="ContentDescription,VectorDrawableCompat" />
<TextView
android:id="@+id/food_price"
android:text="1000"
android:textColor="@color/colorPrimary"
android:textSize="18sp"
android:textStyle="bold"
android:layout_width="0dp"
android:layout_weight="9"
android:layout_height="wrap_content"
tools:ignore="HardcodedText" />
</LinearLayout>
<com.cepheuen.elegantnumberbutton.view.ElegantNumberButton
android:layout_width="100dp"
android:layout_height="30dp"
android:id="@+id/number_button"
android:layout_marginTop="8dp"
android:layout_marginLeft="8dp"
android:layout_marginBottom="18dp"
app:textSize="8sp"
app:backGroundColor="#0e0d0e"
app:initialNumber="1"
app:finalNumber="20"
tools:ignore="RtlHardcoded,SmallSp">
</com.cepheuen.elegantnumberbutton.view.ElegantNumberButton>
</LinearLayout>
</android.support.v7.widget.CardView>
<android.support.v7.widget.CardView
app:cardElevation="5dp"
app:cardUseCompatPadding="true"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/food_description"
android:layout_marginTop="12dp"
android:lineSpacingMultiplier="1.5"
android:padding="12dp"
android:text="Description"
android:textColor="@android:color/black"
android:textSize="14sp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
tools:ignore="HardcodedText" />
</android.support.v7.widget.CardView>
</LinearLayout>
</android.support.v4.widget.NestedScrollView>
</android.support.design.widget.CoordinatorLayout>
FoodDetail.java
package com.food.sheenishere.stark;
import android.support.design.widget.CollapsingToolbarLayout;
import android.support.design.widget.FloatingActionButton;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ImageView;
import android.widget.TextView;
import com.cepheuen.elegantnumberbutton.view.ElegantNumberButton;
import com.food.sheenishere.stark.Model.Food;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
import com.squareup.picasso.Picasso;
public class FoodDetail extends AppCompatActivity {
TextView food_name,food_price,food_description;
ImageView food_image;
CollapsingToolbarLayout collapsingToolbarLayout;
FloatingActionButton btnCart;
ElegantNumberButton numberButton;
String foodId="";
FirebaseDatabase database;
DatabaseReference foods;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_food_detail);
//firebase
database=FirebaseDatabase.getInstance();
foods=database.getReference("Foods");
//init view
numberButton=(ElegantNumberButton)findViewById(R.id.number_button);
btnCart=(FloatingActionButton)findViewById(R.id.btnCart);
food_description=(TextView)findViewById(R.id.food_description);
food_name= (TextView)findViewById(R.id.food_name);
food_price= (TextView)findViewById(R.id.food_price);
food_image=(ImageView)findViewById(R.id.img_food);
collapsingToolbarLayout=(CollapsingToolbarLayout)findViewById(R.id.collapsing);
collapsingToolbarLayout.setExpandedTitleTextAppearance(R.style.ExpandedAppbar);
collapsingToolbarLayout.setCollapsedTitleTextAppearance(R.style.CollapsedAppbar);
//get food id from intent
if (getIntent() !=null)
foodId =getIntent().getStringExtra("FoodId");
if (!foodId.isEmpty())
{
getDetailFood(foodId);
}
}
private void getDetailFood(String foodId) {
foods.child(foodId).addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
Food food =dataSnapshot.getValue(Food.class);
//set image
Picasso.with(getBaseContext()).load(food.getImage())
.into(food_image);
food_price.setText(food.getPrice());
food_name.setText(food.getName());
food_description.setText(food.getDescription());
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
}
答案 0 :(得分:1)
而不是这个
机器人:backgroundTint = “@机器人:颜色/白”
写这个
应用程式:backgroundTint = “@机器人:颜色/白”