Aufgabe 7 finished

.idea/gradle.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

app/src/main/AndroidManifest.xml

@@ -9,6 +9,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.Uebung7und10">
+        <activity android:name=".ResultActivity"></activity>
         <activity android:name=".MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

app/src/main/java/com/ploedige/uebung7und10/MainActivity.java

@@ -1,9 +1,14 @@
 package com.ploedige.uebung7und10;
 
+import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
 
+import android.content.Intent;
 import android.os.Bundle;
-
+import android.util.Log;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.TextView;
 public class MainActivity extends AppCompatActivity {
 
     @Override
@@ -11,4 +16,22 @@ public class MainActivity extends AppCompatActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
     }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
+        Log.v("MainActivity","requestCode:" + requestCode + "ResultCode" + resultCode);
+        TextView result = (TextView) findViewById(R.id.result_tv);
+        EditText editText = (EditText) findViewById(R.id.message_etxt);
+
+        result.setText("Result: " + data.getExtras().getString("text"));
+        editText.setText("Result: " + data.getExtras().getString("text"));
+    }
+
+    public void submit(View view){
+        Intent intent = new Intent(this, ResultActivity.class);
+        EditText editText = (EditText) findViewById(R.id.message_etxt);
+        intent.putExtra("text",editText.getText().toString());
+        startActivityForResult(intent,100);
+    }
+
 }

app/src/main/java/com/ploedige/uebung7und10/ResultActivity.java

@@ -0,0 +1,36 @@
+package com.ploedige.uebung7und10;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.EditText;
+
+public class ResultActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_result);
+
+        Bundle extras = getIntent().getExtras();
+        if(extras != null){
+            EditText editText = (EditText) findViewById(R.id.message_etxt);
+            editText.setText(extras.getString("text"));
+        }
+    }
+
+    @Override
+    public void finish(){
+        Intent dataIntent = new Intent();
+        EditText editText = (EditText) findViewById(R.id.message_etxt);
+        dataIntent.putExtra("text",editText.getText().toString());
+        setResult(RESULT_OK,dataIntent);
+        super.finish();
+    }
+
+    public void sendResult(View view){
+        finish();
+    }
+}

app/src/main/res/layout/activity_main.xml

@@ -6,13 +6,36 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
-    <TextView
+    <EditText
+        android:id="@+id/message_etxt"
+
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
+        android:minWidth="30mm"
         app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"/>
+
+    <Button
+        android:id="@+id/submit_btn"
+        android:text="Submit"
+        android:onClick="submit"
+
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toBottomOf="@id/message_etxt"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"/>
+
+    <TextView
+        android:id="@+id/result_tv"
+        android:textSize="5mm"
+
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintBottom_toTopOf="@id/message_etxt"/>
 
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/activity_result.xml

@@ -0,0 +1,32 @@
+<?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"
+    tools:context=".ResultActivity"
+    android:background="@color/teal_200">
+
+    <EditText
+        android:id="@+id/message_etxt"
+
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:minWidth="30mm"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"/>
+
+    <Button
+        android:id="@+id/sendResult_btn"
+        android:text="Send Result"
+        android:onClick="sendResult"
+
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toBottomOf="@id/message_etxt"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"/>
+
+</androidx.constraintlayout.widget.ConstraintLayout>