이전 글의 url의 내용을 보며 따라 적다가 빠진 내용이 있어 보충할 겸 기록한다.
< test.py >
from flask import Flask
from flask import request
app = Flask(__name__)
@app.route("/")
def showHomePage():
return "This is home page"
@app.route("/debug", methods=["POST"])
def debug():
text = request.form["sample"]
print(text)
return "received"
if __name__ == "__main__":
app.run(host="0.0.0.0")< AndroidManifest_xml >
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools">
<uses-permission android:name="android.permission.INTERNET"/> //추가
<application
android:allowBackup="true"
android:dataExtractionRules="@xml/data_extraction_rules"
android:fullBackupContent="@xml/backup_rules"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/Theme.Connect"
android:usesCleartextTraffic="true" # 추가한 부분
tools:targetApi="31">
<activity
android:name=".MainActivity"
android:exported="true">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".DummyActivity" /> // **헤맸던 부분**
</application>
</manifest>< activity_dummy.xml >
<?xml version="1.0" encoding="utf-8"?>
<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:background="@color/white"
tools:context=".DummyActivity">
<EditText
android:id="@+id/dummy_text"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="12dp"
android:layout_marginEnd="12dp"
android:backgroundTint="@color/black"
android:hint="enter any text"
android:textColor="@color/black"
android:textColorHint="#80000000"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<Button
android:id="@+id/dummy_send"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Send"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/dummy_text"
app:layout_constraintVertical_bias="0.1" />
</androidx.constraintlayout.widget.ConstraintLayout>< activity_main.xml >
<?xml version="1.0" encoding="utf-8"?>
<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:background="@color/white"
tools:context=".MainActivity">
<TextView
android:id="@+id/pagename"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="12dp"
android:layout_marginEnd="12dp"
android:textAlignment="center"
android:textColor="@color/black"
android:textSize="16sp"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>< MainActivity.java >
package com.example.connect;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.TextView;
import android.widget.Toast;
import org.jetbrains.annotations.NotNull;
import java.io.IOException;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
public class MainActivity extends AppCompatActivity {
// declare attribute for textview
private TextView pagenameTextView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
pagenameTextView = findViewById(R.id.pagename);
OkHttpClient okHttpClient = new OkHttpClient();
Request request = new Request.Builder().url("http://192.168.0.22:5000/").build();
// making call asynchronously
okHttpClient.newCall(request).enqueue(new Callback() {
@Override
// called if server is unreachable
public void onFailure(@NotNull Call call, @NotNull IOException e) {
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(MainActivity.this, "server down", Toast.LENGTH_SHORT).show();
pagenameTextView.setText("error connecting to the server");
}
});
}
@Override
// called if we get a
// response from the server
public void onResponse(
@NotNull Call call,
@NotNull Response response)
throws IOException {pagenameTextView.setText(response.body().string());
Intent intent = new Intent(MainActivity.this, DummyActivity.class);
startActivity(intent);
finish();
}
});
}
}< DummyActivity.java >
package com.example.connect;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
import org.jetbrains.annotations.NotNull;
import java.io.IOException;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.FormBody;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;
public class DummyActivity extends AppCompatActivity {
private EditText editText;
private Button button;
private OkHttpClient okHttpClient;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.dummy_activity);
editText = findViewById(R.id.dummy_text);
button = findViewById(R.id.dummy_send);
okHttpClient = new OkHttpClient();
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String dummyText = editText.getText().toString();
// we add the information we want to send in
// a form. each string we want to send should
// have a name. in our case we sent the
// dummyText with a name 'sample'
RequestBody formbody
= new FormBody.Builder()
.add("sample", dummyText)
.build();
// while building request
// we give our form
// as a parameter to post()
Request request = new Request.Builder().url("http://192.168.0.22:5000/debug")
.post(formbody)
.build();
okHttpClient.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(
@NotNull Call call,
@NotNull IOException e) {
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(getApplicationContext(), "server down", Toast.LENGTH_SHORT).show();
}
});
}
@Override
public void onResponse(@NotNull Call call, @NotNull Response response) throws IOException {
if (response.body().string().equals("received")) {
runOnUiThread(() -> Toast.makeText(getApplicationContext(), "data received", Toast.LENGTH_SHORT).show());
}
}
});
}
});
}
}
공부 겸 기록