Java android.content.ActivityNotFoundException:找不到显式活动类{您是否在AndroidManifest.xml中声明了此活动?
我有这些错误 android.content.ActivityNotFoundException:找不到显式活动类{};您是否在AndroidManifest.xml中声明了此活动? 在android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:2005)上 位于android.app.Instrumentation.execStartActivity(Instrumentation.java:1673) 在android.app.Activity.startActivityForResult(Activity.java:4586)上 位于androidx.fragment.app.FragmentActivity.startActivityForResult(FragmentActivity.java:676) 位于androidx.core.app.ActivityCompat.startActivityForResult(ActivityCompat.java:234) 位于androidx.fragment.app.FragmentActivity.startActivityFromFragment(FragmentActivity.java:791) 在androidx.fragment.app.FragmentActivity$HostCallbacks.onStartActivityFromFragment(FragmentActivity.java:933) 位于androidx.fragment.app.fragment.startActivity(fragment.java:1185) 位于androidx.fragment.app.fragment.startActivity(fragment.java:1173) 在com.example.gerobokgo.AccountFragment.openUpdateProfile(AccountFragment.java:110)上 位于com.example.gerobokgo.AccountFragment.access$000(AccountFragment.java:29) 位于com.example.gerobokgo.AccountFragment$2.onClick(AccountFragment.java:93) 我在这些Java android.content.ActivityNotFoundException:找不到显式活动类{您是否在AndroidManifest.xml中声明了此活动?,java,android,android-manifest,android-fragmentactivity,insert-update,Java,Android,Android Manifest,Android Fragmentactivity,Insert Update,我有这些错误 android.content.ActivityNotFoundException:找不到显式活动类{};您是否在AndroidManifest.xml中声明了此活动? 在android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:2005)上 位于android.app.Instrumentation.execStartActivity(Instrumentation.java:1673) 在
code
上有错误
// For update and pass information method
private void openUpdateProfile() {
Intent intent= new Intent(getActivity(), UpdateProfileFragment.class);
//pass value from current to next page
intent.putExtra("name",tv_name.getText().toString().trim());
intent.putExtra("email", tv_email.getText().toString().trim());
intent.putExtra("Home Address",tv_home.getText().toString().trim());
intent.putExtra("Telephone", tv_phone.getText().toString().trim());
startActivity(intent);
}
雄激素单
<application
android:name=".Home"
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".RegisterActivity"
android:screenOrientation="portrait"></activity>
<activity android:name=".LoginActivity"
android:screenOrientation="portrait"/>
<activity
android:name=".splashScreen"
android:theme="@style/SplashScreen">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".MainActivity"
android:theme="@style/AppTheme" />
</application>
UpdateProfileFragment.java
public class UpdateProfileFragment extends Fragment implements View.OnClickListener {
EditText tv_name, tv_email, tv_home, tv_phone;
Button btn_update;
FirebaseAuth firebaseAuth;
FirebaseUser currentUser;
DatabaseReference databaseReference;
public UpdateProfileFragment() {
// Required empty public constructor
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View view = inflater.inflate(R.layout.fragment_update_profile, container, false);
//get data from intert (data from previous page)
Intent intent = getActivity().getIntent();
String name = intent.getStringExtra("Name");
String email = intent.getStringExtra("Email");
String address = intent.getStringExtra(" Shipping Address");
String phone = intent.getStringExtra("Telephone Number");
//ini
firebaseAuth = FirebaseAuth.getInstance();
currentUser = firebaseAuth.getCurrentUser();
databaseReference = FirebaseDatabase.getInstance().getReference("Customer").child(firebaseAuth.getUid());
tv_name = view.findViewById(R.id.tv_name);
tv_email = view.findViewById(R.id.tv_email);
tv_home = view.findViewById(R.id.tv_home);
tv_phone = view.findViewById(R.id.tv_phone);
tv_name.setText(name);
tv_email.setText(email);
tv_home.setText(address);
tv_phone.setText(phone);
btn_update.setOnClickListener(this);
return view;
}
@Override
public void onClick(View view) {
}
private void updateProfile() {
Intent intent = getActivity().getIntent();
String userUid = firebaseAuth.getCurrentUser().getUid();
String name = tv_name.getText().toString().trim();
String email = tv_email.getText().toString().trim();
String home = tv_home.getText().toString().trim();
String phone = tv_phone.getText().toString().trim();
Customer cust = new Customer(userUid, name, email, home, phone);
databaseReference.child("Customer").child(userUid).setValue(cust).addOnCompleteListener(new OnCompleteListener<Void>() {
@Override
public void onComplete(@NonNull Task<Void> task) {
if (task.isSuccessful()) {
Toast.makeText(getActivity(), "Update Successfully", Toast.LENGTH_SHORT).show();
getActivity().finish();
startActivity(new Intent(getActivity(), AccountFragment.class));
}
}
});
}
}
公共类UpdateProfileFragment扩展片段实现View.OnClickListener{
编辑文本电视名称、电视电子邮件、电视主页、电视电话;
按钮btn_更新;
FirebaseAuth FirebaseAuth;
FirebaseUser当前用户;
数据库参考数据库参考;
公共更新profilefragment(){
//必需的空公共构造函数
}
@凌驾
创建视图上的公共视图(布局、充气机、视图组容器、,
Bundle savedInstanceState){
//为该碎片膨胀布局
视图=充气机。充气(R.layout.fragment\u update\u profile,container,false);
//从intert获取数据(上一页的数据)
Intent Intent=getActivity().getIntent();
字符串名称=intent.getStringExtra(“名称”);
字符串email=intent.getStringExtra(“电子邮件”);
字符串地址=intent.getStringExtra(“发货地址”);
String phone=intent.getStringExtra(“电话号码”);
//伊尼
firebaseAuth=firebaseAuth.getInstance();
currentUser=firebaseAuth.getCurrentUser();
databaseReference=FirebaseDatabase.getInstance().getReference(“客户”).child(firebaseAuth.getUid());
tv_name=view.findviewbyd(R.id.tv_name);
tv_email=view.findviewbyd(R.id.tv_email);
tv\u home=view.findviewbyd(R.id.tv\u home);
tv\u phone=view.findviewbyd(R.id.tv\u phone);
tv_name.setText(名称);
tv_email.setText(电子邮件);
tv_home.setText(地址);
tv_phone.setText(电话);
btn_update.setOnClickListener(此);
返回视图;
}
@凌驾
公共void onClick(视图){
}
私有void updateProfile(){
Intent Intent=getActivity().getIntent();
字符串userUid=firebaseAuth.getCurrentUser().getUid();
String name=tv_name.getText().toString().trim();
字符串email=tv_email.getText().toString().trim();
String home=tv_home.getText().toString().trim();
字符串phone=tv_phone.getText().toString().trim();
Customer cust=新客户(userUid、姓名、电子邮件、主页、电话);
databaseReference.child(“客户”).child(userUid).setValue(cust).addOnCompleteListener(新的OnCompleteListener(){
@凌驾
未完成的公共void(@NonNull任务){
if(task.issusccessful()){
Toast.makeText(getActivity(),“更新成功”,Toast.LENGTH_SHORT.show();
getActivity().finish();
startActivity(新意图(getActivity(),AccountFragment.class));
}
}
});
}
}
根据您的代码UpdateProfileFragment是openUpdateProfile方法中的活动
在使用之前,您应该在AndroidManifest中声明UpdateProfileFragment活动
编辑:
由于UpdateProfileFragment是fragment,所以您通过startActivity()以错误的方式调用fragment-
private void openUpdateProfile() {
Bundle bundle = new Bundle();
bundle.putString("name",tv_name.getText().toString().trim());
bundle.putString("email", tv_email.getText().toString().trim());
bundle.putString("home_address",tv_home.getText().toString().trim());
bundle.putString("telephone", tv_phone.getText().toString().trim());
UpdateProfileFragment updateFrag = new UpdateProfileFragment ();
FragmentManager manager = getFragmentManager();
FragmentTransaction transaction = manager.beginTransaction();
updateFrag.setArguments(bundle);
transaction.add(R.id.fragmentContainer, updateFrag);
transaction.commit();
}
在UpdateProfileFragment中,您可以获得如下数据
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
String name = getArguments().getString("name");
String email = getArguments().getString("email");
String address= getArguments().getString("home_address");
String telephone= getArguments().getString("telephone");
// rest of your code here.
...
...
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
.....
String name = this.getArguments().getString("name");
String email = this.getArguments().getString("email");
String address= this.getArguments().getString("home_address");
String telephone= this.getArguments().getString("telephone");
// rest of your code here.
...
...
}
}
注意:如果UpdateProfileFragment是片段,则无需在清单文件中声明。根据您的说法,UpdateProfileFragment是片段
因此,您不能通过startActivity()
调用fragment
。要从活动调用fragemnt
,您必须执行以下操作
UpdateProfileFragment frag = new UpdateProfileFragment ();
FragmentManager manager = getSupportFragmentManager();
FragmentTransaction transaction = manager.beginTransaction();
transaction.add(R.id.fragmentContainer,frag,"Test Fragment");
transaction.commit();
此外,您还可以使用setArguments
将数据传递到fragment
示例:
private void openUpdateProfile() {
Bundle bundle = new Bundle();
bundle.putString("name",tv_name.getText().toString().trim());
bundle.putString("email", tv_email.getText().toString().trim());
bundle.putString("home_address",tv_home.getText().toString().trim());
bundle.putString("telephone", tv_phone.getText().toString().trim());
UpdateProfileFragment frag = new UpdateProfileFragment ();
FragmentManager manager = getSupportFragmentManager();
FragmentTransaction transaction = manager.beginTransaction();
frag.setArguments(bundle);
transaction.add(R.id.fragmentContainer,frag,"Test Fragment");
transaction.commit();
}
在您的片段中
可以获得数据
,如下所示
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
String name = getArguments().getString("name");
String email = getArguments().getString("email");
String address= getArguments().getString("home_address");
String telephone= getArguments().getString("telephone");
// rest of your code here.
...
...
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
.....
String name = this.getArguments().getString("name");
String email = this.getArguments().getString("email");
String address= this.getArguments().getString("home_address");
String telephone= this.getArguments().getString("telephone");
// rest of your code here.
...
...
}
希望它能帮助您。是UpdateProfileFragment
活动还是片段?您是否在AndroidManifest
中注册了它?UpdateProfileFragment是一个片段。我想它会自动生成???我应该这样声明吗?是的,@lilin在AndroidManifest文件中声明,正如你所提到的,并确保UpdateProfileFragment将扩展到Activity而不是fragment。如何扩展到Activity?你能共享UpdateProfileFragment的代码吗?对于扩展:UpdateProfileFragment扩展AppCompativityDone。我在上面分享过。希望你能帮我,先生:)我应该在