I am implementing two way data binding in project, but I am unable to do data binding in navigation drawer activity. I tried but it giving an error. Please provide some sample code for the same.
content_policy_info.xml
<layout xmlns:android="http://schemas.android.com/apk/res/android">
<data>
<variable
name="policyinfo"
type="com.exlservice.lifeprov1.service.model.GetPolicyInfoResponse" />
<variable
name="surrenderquote"
type="com.exlservice.lifeprov1.service.model.SurrenderQuoteResponse" />
</data>
<android.support.constraint.ConstraintLayout
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:id="@+id/c1"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:context=".view.ui.PolicyInfo"
tools:showIn="@layout/app_bar_policy_info">
<android.support.v4.widget.NestedScrollView
android:layout_width="match_parent"
android:background="#223d50"
android:layout_height="match_parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="@drawable/policy_prime_info_bg"
android:layout_marginTop="20dp"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:orientation="horizontal">
<TextView
android:layout_width="0dp"
android:layout_marginLeft="5dp"
android:layout_height="wrap_content"
android:text="@{policyInfo.ProductId}"
android:textColor="#76c6db"
android:layout_weight="1"
android:typeface="serif"
android:textStyle="bold"
android:id="@+id/id_fc_first_key"/>
<TextView
android:layout_width="0dp"
android:textColor="#76c6db"
android:textStyle="bold"
android:typeface="serif"
android:layout_height="wrap_content"
android:text="@{policyInfo.Contract}"
android:layout_weight="1"
android:id="@+id/id_fc_second_key"/>
</LinearLayout>
</LinearLayout>
</android.support.v4.widget.NestedScrollView>
</android.support.constraint.ConstraintLayout>
</layout>
PolicyInfo.java
public class PolicyInfo extends AppCompatActivity
implements NavigationView.OnNavigationItemSelectedListener {
APIInterface apiInterface;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
binding= DataBindingUtil.setContentView(this,R.layout.activity_policy_info);
Intent intent = getIntent();
String sCompanyCode = intent.getStringExtra("CompanyCode");
String sPolicyNumber = intent.getStringExtra("PolicyNumber");
String sWayPoint = intent.getStringExtra("WayPoint");
Log.e("onCreate: ",sCompanyCode+" "+sPolicyNumber );
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
String currentTime = sdf.format(new Date());
SurrenderQuoteInput surrenderQuoteInput = new SurrenderQuoteInput();
surrenderQuoteInput.setCoderID("TRN7");
surrenderQuoteInput.setCompanyCode("01");
PolicyDetailsReq policyDetailsReq= new PolicyDetailsReq();
policyDetailsReq.setCoderID("TRN7");
getPolicyInfoRequest.setPolicyDetailsReq(policyDetailsReq);
PolicyInfoViewModel.Factory factory = new PolicyInfoViewModel.Factory(
getApplication(),getPolicyInfoRequest,surrenderQuoteRequest);
pd = new ProgressDialog(PolicyInfo.this);
//setContentView(R.layout.activity_policy_info);
pref= getSharedPreferences("LoginDetail", 0);
Toolbar toolbar = findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
getSupportActionBar().setTitle("Poilcy Info");
apiInterface = APIClient.getClient().create(APIInterface.class);
FloatingActionButton fab = findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();
}
});
apiInterface = APIClient.getClient().create(APIInterface.class);
PolicyInfoViewModel viewModel =
ViewModelProviders.of(this,factory).get(PolicyInfoViewModel.class);
**observeViewModel**(viewModel);
pd.setTitle("Loading...");
pd.setMessage("Please wait.");
pd.setCancelable(false);
// show it
pd.show();
DrawerLayout drawer = findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.addDrawerListener(toggle);
toggle.syncState();
NavigationView navigationView = findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
}
private void **observeViewModel**(final PolicyInfoViewModel viewModel) {
// Update the list when the data changes
viewModel.getPolicyInfoResponsetObservable().observe(this, new Observer<GetPolicyInfoResponse>() {
@Override
public void onChanged(@Nullable GetPolicyInfoResponse getPolicyInfoResponse) {
if(getPolicyInfoResponse!=null) {
viewModel.setPolicyInfoResult(getPolicyInfoResponse);
binding.setPolicyinfo(getPolicyInfoResponse);
}
/* if (getLastAccessedDetailsResult != null) {
getLastAccessedDetailsRes=getLastAccessedDetailsResult;
viewModel.setLastAccessedDetailsResult(getLastAccessedDetailsResult);
setupViewPager(viewPager);
}*/
}
});
}
Above error showing class cast exception android.support.v7.widget.AppCompatTextView cannot be cast to android.support.design.widget.NavigationView
Full Stack Trace
2019-11-05 16:28:27.673 3019-3019/com.exlservice.lifeprov1 E/AndroidRuntime: FATAL EXCEPTION: main Process: com.exlservice.lifeprov1, PID: 3019 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.exlservice.lifeprov1/com.exlservice.lifeprov1.view.ui.PolicyInfo}: java.lang.ClassCastException: android.support.v7.widget.AppCompatTextView cannot be cast to android.support.design.widget.NavigationView at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2817) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2892) at android.app.ActivityThread.-wrap11(Unknown Source:0) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1593) at android.os.Handler.dispatchMessage(Handler.java:105) at android.os.Looper.loop(Looper.java:164) at android.app.ActivityThread.main(ActivityThread.java:6541) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767) Caused by: java.lang.ClassCastException: android.support.v7.widget.AppCompatTextView cannot be cast to android.support.design.widget.NavigationView at com.exlservice.lifeprov1.databinding.ActivityPolicyInfoBindingImpl.(ActivityPolicyInfoBindingImpl.java:30) at com.exlservice.lifeprov1.databinding.ActivityPolicyInfoBindingImpl.(ActivityPolicyInfoBindingImpl.java:27) at com.exlservice.lifeprov1.DataBinderMapperImpl.getDataBinder(DataBinderMapperImpl.java:56) at android.databinding.MergedDataBinderMapper.getDataBinder(MergedDataBinderMapper.java:74) at android.databinding.DataBindingUtil.bind(DataBindingUtil.java:199) at android.databinding.DataBindingUtil.bindToAddedViews(DataBindingUtil.java:327) at android.databinding.DataBindingUtil.setContentView(DataBindingUtil.java:306) at android.databinding.DataBindingUtil.setContentView(DataBindingUtil.java:284) at com.exlservice.lifeprov1.view.ui.PolicyInfo.onCreate(PolicyInfo.java:58) at android.app.Activity.performCreate(Activity.java:6975) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1213) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2770) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2892) at android.app.ActivityThread.-wrap11(Unknown Source:0) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1593) at android.os.Handler.dispatchMessage(Handler.java:105) at android.os.Looper.loop(Looper.java:164) at android.app.ActivityThread.main(ActivityThread.java:6541) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
