I've already cleaned my project , Rebuild was done...but still no use. Then invalidated caches and restarted the project that too didn't helped me.
I still receive this error from my logcat
2020-06-18 01:36:13.602 16501-16501/com.example.androiddata I/monsterLogging: Selected item: Grade 2
2020-06-18 01:36:13.737 16501-16501/com.example.androiddata I/monsterLogging: Selected Grade level: Grade 2
2020-06-18 01:36:13.746 16501-16501/com.example.androiddata E/ple.androiddat: Invalid ID 0x00000014.
2020-06-18 01:36:13.749 16501-16501/com.example.androiddata D/AndroidRuntime: Shutting down VM
--------- beginning of crash
2020-06-18 01:36:13.764 16501-16501/com.example.androiddata E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.androiddata, PID: 16501
java.lang.RuntimeException: Failed to call observer method
at androidx.lifecycle.ClassesInfoCache$MethodReference.invokeCallback(ClassesInfoCache.java:226)
at androidx.lifecycle.ClassesInfoCache$CallbackInfo.invokeMethodsForEvent(ClassesInfoCache.java:194)
at androidx.lifecycle.ClassesInfoCache$CallbackInfo.invokeCallbacks(ClassesInfoCache.java:185)
at androidx.lifecycle.ReflectiveGenericLifecycleObserver.onStateChanged(ReflectiveGenericLifecycleObserver.java:36)
at androidx.lifecycle.LifecycleRegistry$ObserverWithState.dispatchEvent(LifecycleRegistry.java:361)
at androidx.lifecycle.LifecycleRegistry.forwardPass(LifecycleRegistry.java:300)
at androidx.lifecycle.LifecycleRegistry.sync(LifecycleRegistry.java:339)
at androidx.lifecycle.LifecycleRegistry.moveToState(LifecycleRegistry.java:145)
at androidx.lifecycle.LifecycleRegistry.handleLifecycleEvent(LifecycleRegistry.java:131)
at androidx.fragment.app.Fragment.performStart(Fragment.java:2632)
at androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManagerImpl.java:915)
at androidx.fragment.app.FragmentManagerImpl.addAddedFragments(FragmentManagerImpl.java:2097)
at androidx.fragment.app.FragmentManagerImpl.executeOpsTogether(FragmentManagerImpl.java:1871)
at androidx.fragment.app.FragmentManagerImpl.removeRedundantOperationsAndExecute(FragmentManagerImpl.java:1827)
at androidx.fragment.app.FragmentManagerImpl.execPendingActions(FragmentManagerImpl.java:1727)
at androidx.fragment.app.FragmentManagerImpl$2.run(FragmentManagerImpl.java:150)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7356)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
Caused by: android.content.res.Resources$NotFoundException: String resource ID #0x14
at android.content.res.Resources.getText(Resources.java:367)
at android.widget.TextView.setText(TextView.java:6370)
at com.example.androiddata.databinding.FragmentDetailBindingImpl.executeBindings(FragmentDetailBindingImpl.java:147)
at androidx.databinding.ViewDataBinding.executeBindingsInternal(ViewDataBinding.java:473)
at androidx.databinding.ViewDataBinding.executePendingBindings(ViewDataBinding.java:445)
at androidx.databinding.ViewDataBinding$OnStartListener.onStart(ViewDataBinding.java:1687)
at java.lang.reflect.Method.invoke(Native Method)
at androidx.lifecycle.ClassesInfoCache$MethodReference.invokeCallback(ClassesInfoCache.java:216)
at androidx.lifecycle.ClassesInfoCache$CallbackInfo.invokeMethodsForEvent(ClassesInfoCache.java:194)
at androidx.lifecycle.ClassesInfoCache$CallbackInfo.invokeCallbacks(ClassesInfoCache.java:185)
at androidx.lifecycle.ReflectiveGenericLifecycleObserver.onStateChanged(ReflectiveGenericLifecycleObserver.java:36)
at androidx.lifecycle.LifecycleRegistry$ObserverWithState.dispatchEvent(LifecycleRegistry.java:361)
at androidx.lifecycle.LifecycleRegistry.forwardPass(LifecycleRegistry.java:300)
at androidx.lifecycle.LifecycleRegistry.sync(LifecycleRegistry.java:339)
at androidx.lifecycle.LifecycleRegistry.moveToState(LifecycleRegistry.java:145)
at androidx.lifecycle.LifecycleRegistry.handleLifecycleEvent(LifecycleRegistry.java:131)
at androidx.fragment.app.Fragment.performStart(Fragment.java:2632)
at androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManagerImpl.java:915)
at androidx.fragment.app.FragmentManagerImpl.addAddedFragments(FragmentManagerImpl.java:2097)
at androidx.fragment.app.FragmentManagerImpl.executeOpsTogether(FragmentManagerImpl.java:1871)
at androidx.fragment.app.FragmentManagerImpl.removeRedundantOperationsAndExecute(FragmentManagerImpl.java:1827)
at androidx.fragment.app.FragmentManagerImpl.execPendingActions(FragmentManagerImpl.java:1727)
at androidx.fragment.app.FragmentManagerImpl$2.run(FragmentManagerImpl.java:150)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7356)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
--------- beginning of system
2020-06-18 01:36:13.807 16501-16501/com.example.androiddata I/Process: Sending signal. PID: 16501 SIG: 9
This is my DetailFragment.kt
import com.example.androiddata.databinding.FragmentDetailBinding
.....
val binding = FragmentDetailBinding.inflate(
inflater, container, false
)
binding.lifecycleOwner = this
binding.viewModel = viewModel
return binding.root
.....
this is the FragmentDetailBindinglmpl.java
public class FragmentDetailBindingImpl extends FragmentDetailBinding {
.......
}
I am getting error in FragmentDetailBinding
this is my frament_detail.xml
<?xml version="1.0" encoding="utf-8"?>
<layout
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">
<data>
<variable
name="viewModel"
type="com.example.androiddata.ui.shared.SharedViewModel"/>
</data>
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/grid_item_background"
android:padding="16dp">
<EditText
android:id="@+id/Sequence"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:autofillHints=""
android:ems="10"
android:inputType="textPersonName"
android:text="@{viewModel.selectedMonster.Sequence}"
tools:ignore="LabelFor,MissingConstraints"
tools:layout_editor_absoluteX="49dp"
tools:layout_editor_absoluteY="132dp" />
<EditText
android:id="@+id/Description"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:autofillHints=""
android:ems="10"
android:inputType="textPersonName"
android:text="@{viewModel.selectedMonster.Description}"
tools:ignore="LabelFor,MissingConstraints"
tools:layout_editor_absoluteX="49dp"
tools:layout_editor_absoluteY="132dp" />
<EditText
android:id="@+id/editTextTextPersonName2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:autofillHints=""
android:ems="10"
android:inputType="textPersonName"
android:text="@{viewModel.selectedMonster.Status}"
tools:ignore="LabelFor,MissingConstraints"
tools:layout_editor_absoluteX="49dp"
tools:layout_editor_absoluteY="132dp" />
</androidx.constraintlayout.widget.ConstraintLayout>
</layout>
this is my FramentDetailBindinglmpi.java
package com.example.androiddata.databinding;
import com.example.androiddata.R;
import com.example.androiddata.BR;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import android.view.View;
@SuppressWarnings("unchecked")
public class FragmentDetailBindingImpl extends FragmentDetailBinding {
@Nullable
private static final androidx.databinding.ViewDataBinding.IncludedLayouts sIncludes;
@Nullable
private static final android.util.SparseIntArray sViewsWithIds;
static {
sIncludes = null;
sViewsWithIds = null;
}
// views
@NonNull
private final androidx.constraintlayout.widget.ConstraintLayout mboundView0;
// variables
// values
// listeners
// Inverse Binding Event Handlers
public FragmentDetailBindingImpl(@Nullable androidx.databinding.DataBindingComponent bindingComponent, @NonNull View root) {
this(bindingComponent, root, mapBindings(bindingComponent, root, 4, sIncludes, sViewsWithIds));
}
private FragmentDetailBindingImpl(androidx.databinding.DataBindingComponent bindingComponent, View root, Object[] bindings) {
super(bindingComponent, root, 1
, (android.widget.EditText) bindings[2]
, (android.widget.EditText) bindings[1]
, (android.widget.EditText) bindings[3]
);
this.Description.setTag(null);
this.Sequence.setTag(null);
this.editTextTextPersonName2.setTag(null);
this.mboundView0 = (androidx.constraintlayout.widget.ConstraintLayout) bindings[0];
this.mboundView0.setTag(null);
setRootTag(root);
// listeners
invalidateAll();
}
@Override
public void invalidateAll() {
synchronized(this) {
mDirtyFlags = 0x4L;
}
requestRebind();
}
@Override
public boolean hasPendingBindings() {
synchronized(this) {
if (mDirtyFlags != 0) {
return true;
}
}
return false;
}
@Override
public boolean setVariable(int variableId, @Nullable Object variable) {
boolean variableSet = true;
if (BR.viewModel == variableId) {
setViewModel((com.example.androiddata.ui.shared.SharedViewModel) variable);
}
else {
variableSet = false;
}
return variableSet;
}
public void setViewModel(@Nullable com.example.androiddata.ui.shared.SharedViewModel ViewModel) {
this.mViewModel = ViewModel;
synchronized(this) {
mDirtyFlags |= 0x2L;
}
notifyPropertyChanged(BR.viewModel);
super.requestRebind();
}
@Override
protected boolean onFieldChange(int localFieldId, Object object, int fieldId) {
switch (localFieldId) {
case 0 :
return onChangeViewModelSelectedMonster((androidx.lifecycle.MutableLiveData<com.example.androiddata.data.Monster>) object, fieldId);
}
return false;
}
private boolean onChangeViewModelSelectedMonster(androidx.lifecycle.MutableLiveData<com.example.androiddata.data.Monster> ViewModelSelectedMonster, int fieldId) {
if (fieldId == BR._all) {
synchronized(this) {
mDirtyFlags |= 0x1L;
}
return true;
}
return false;
}
@Override
protected void executeBindings() {
long dirtyFlags = 0;
synchronized(this) {
dirtyFlags = mDirtyFlags;
mDirtyFlags = 0;
}
java.lang.String viewModelSelectedMonsterDescription = null;
com.example.androiddata.data.Monster viewModelSelectedMonsterGetValue = null;
androidx.lifecycle.MutableLiveData<com.example.androiddata.data.Monster> viewModelSelectedMonster = null;
int viewModelSelectedMonsterSequence = 0;
com.example.androiddata.ui.shared.SharedViewModel viewModel = mViewModel;
java.lang.String viewModelSelectedMonsterStatus = null;
if ((dirtyFlags & 0x7L) != 0) {
if (viewModel != null) {
// read viewModel.selectedMonster
viewModelSelectedMonster = viewModel.getSelectedMonster();
}
updateLiveDataRegistration(0, viewModelSelectedMonster);
if (viewModelSelectedMonster != null) {
// read viewModel.selectedMonster.getValue()
viewModelSelectedMonsterGetValue = viewModelSelectedMonster.getValue();
}
if (viewModelSelectedMonsterGetValue != null) {
// read viewModel.selectedMonster.getValue().Description
viewModelSelectedMonsterDescription = viewModelSelectedMonsterGetValue.getDescription();
// read viewModel.selectedMonster.getValue().Sequence
viewModelSelectedMonsterSequence = viewModelSelectedMonsterGetValue.getSequence();
// read viewModel.selectedMonster.getValue().Status
viewModelSelectedMonsterStatus = viewModelSelectedMonsterGetValue.getStatus();
}
}
// batch finished
if ((dirtyFlags & 0x7L) != 0) {
// api target 1
androidx.databinding.adapters.TextViewBindingAdapter.setText(this.Description, viewModelSelectedMonsterDescription);
this.Sequence.setText(viewModelSelectedMonsterSequence);
androidx.databinding.adapters.TextViewBindingAdapter.setText(this.editTextTextPersonName2, viewModelSelectedMonsterStatus);
}
}
// Listener Stub Implementations
// callback impls
// dirty flag
private long mDirtyFlags = 0xffffffffffffffffL;
/* flag mapping
flag 0 (0x1L): viewModel.selectedMonster
flag 1 (0x2L): viewModel
flag 2 (0x3L): null
flag mapping end*/
//end
}
this is my SharedViewModel
class SharedViewModel(val app: Application) : AndroidViewModel(app) {
private val dataRepo = MonsterRepository(app)
val monsterData = dataRepo.monsterData
val selectedMonster = MutableLiveData<Monster>()
val activityTitle = MutableLiveData<String>()
init {
updateActivityTitle()
}
fun refreshData() {
dataRepo.refreshDataFromWeb()
}
fun updateActivityTitle() {
val signature =
PreferenceManager.getDefaultSharedPreferences(app)
.getString("", "")
activityTitle.value = "Grade Level $signature"
}
}
Is viewModel.selectedMonster.Sequence of type int? android:text with an int assumes that the int is a string resource ID.
Use android:text="@{Integer.toString(viewModel.selectedMonster.Sequence)}"
in your EditText.
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