Я изучаю android и клиент-серверные приложения, и у меня небольшая проблема с Snackbar. Я действительно не могу найти ничего, связанного с Snackbar
Это моя ошибка:
android.content.res.Resources$NotFoundException: String resource ID #0x0
at android.content.res.Resources.getText(Resources.java:360)
at android.content.res.MiuiResources.getText(MiuiResources.java:97)
at com.google.android.material.snackbar.Snackbar.make(Snackbar.java:230)
at com.example.klient.MainActivity$1.onClick(MainActivity.java:54)
at android.view.View.performClick(View.java:6614)
at android.view.View.performClickInternal(View.java:6591)
at android.view.View.access$3100(View.java:786)
at android.view.View$PerformClick.run(View.java:25948)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:201)
at android.app.ActivityThread.main(ActivityThread.java:6806)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:547)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:873)
Это MainActivity. java: 54:
.make(constraintLayout, result, Snackbar.LENGTH_LONG);
И есть мои классы
public class MainActivity extends AppCompatActivity {
ConstraintLayout constraintLayout;
private Button button;
private EditText editText;
private static int result;
public static void setResult(Integer value) {
result = value;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
editText = findViewById(R.id.editText);
constraintLayout = findViewById(R.id.constraintLayout);
button = findViewById(R.id.button);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String text = String.valueOf(editText.getText());
int toSend = Integer.parseInt(text);
SendToServer send = new SendToServer();
send.execute(toSend);
Snackbar snackbar = Snackbar
.make(constraintLayout, result, Snackbar.LENGTH_LONG);
snackbar.show();
}
});
}
}
public class SendToServer extends AsyncTask<Integer, Void, Integer> {
@Override
protected Integer doInBackground(Integer... integers) {
try{
Socket socket = new Socket("192.168.43.68", 60080);
BufferedWriter bw = new BufferedWriter(new
OutputStreamWriter(socket.getOutputStream()));
bw.write(integers[0]);
bw.newLine();
bw.flush();
BufferedReader br = new BufferedReader(new
InputStreamReader(socket.getInputStream()));
int result = br.read();
return result;
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(Integer integer) {
MainActivity.setResult(integer);
}
}
и мой Activity_main. xml файл
<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"
android:id="@+id/constraintLayout"
tools:context="com.example.klient.MainActivity">
<Button
android:id="@+id/button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="164dp"
android:layout_marginLeft="164dp"
android:layout_marginTop="601dp"
android:layout_marginEnd="159dp"
android:layout_marginRight="159dp"
android:layout_marginBottom="82dp"
android:text="Oblicz"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<EditText
android:id="@+id/editText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="111dp"
android:layout_marginLeft="111dp"
android:layout_marginTop="535dp"
android:layout_marginEnd="87dp"
android:layout_marginRight="87dp"
android:layout_marginBottom="151dp"
android:ems="10"
android:inputType="number"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
Я понятия не имею, что я делаю неправильно, я не могу найти это, я прошу помощи.