Initial GUI
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commit
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="GradleMigrationSettings" migrationVersion="1" />
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<component name="GradleSettings">
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<option name="linkedExternalProjectsSettings">
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<GradleProjectSettings>
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ProjectRootManager" version="2" languageLevel="JDK_15_PREVIEW" default="false" project-jdk-name="15" project-jdk-type="JavaSDK">
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<component name="ProjectRootManager" version="2" languageLevel="JDK_14" default="false" project-jdk-name="15" project-jdk-type="JavaSDK">
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<output url="file://$PROJECT_DIR$/build/classes" />
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</component>
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<component name="ProjectType">
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/Theme.Java_mot_testing">
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<activity android:name=".ex9.FractionCalculator"/>
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<activity android:name=".MainActivity">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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package io.n0x.android.java_mot_testing;
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import androidx.appcompat.app.AppCompatActivity;
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import android.app.Activity;
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import android.content.Intent;
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import android.os.Bundle;
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public class MainActivity extends AppCompatActivity {
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import io.n0x.android.java_mot_testing.ex9.FractionCalculator;
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public class MainActivity extends Activity {
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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Intent intent = new Intent(this, FractionCalculator.class);
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startActivity(intent);
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}
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}
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package io.n0x.android.java_mot_testing.ex9;
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import android.app.Activity;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.View;
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import android.widget.TextView;
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import io.n0x.android.java_mot_testing.R;
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public class FractionCalculator extends Activity{
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private static final String TAG = FractionCalculator.class.getName();
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private TextView txt_enum_left;
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private TextView txt_denom_left;
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private TextView txt_enum_right;
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private TextView txt_denom_right;
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private TextView txt_enum_result;
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private TextView txt_denom_result;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.ex9_data_binding);
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Log.d(TAG, "FractionCalculator started");
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/*
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txt_enum_left = (TextView) findViewById(R.id.txt_enum_left);
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txt_denom_left = (TextView) findViewById(R.id.txt_denom_left);
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txt_enum_right = (TextView) findViewById(R.id.txt_enum_right);
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txt_denom_right = (TextView) findViewById(R.id.txt_denom_right);
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txt_enum_result = (TextView) findViewById(R.id.txt_enum_result);
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txt_denom_result = (TextView) findViewById(R.id.txt_denom_result);
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// Set all fields to 0
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txt_enum_left.setText("0");
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txt_denom_left.setText("0");
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txt_enum_right.setText("0");
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txt_denom_right.setText("0");
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txt_enum_result.setText("0");
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txt_denom_result.setText("0");
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//*/
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}
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@Override
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protected void onStart() {
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super.onStart();
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}
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}
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137
app/src/main/res/layout/ex9_data_binding.xml
Normal file
137
app/src/main/res/layout/ex9_data_binding.xml
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<?xml version="1.0" encoding="utf-8"?>
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<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent">
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<Button
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android:id="@+id/button_add"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="+"
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app:layout_constraintEnd_toEndOf="parent"
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app:layout_constraintStart_toStartOf="parent"
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app:layout_constraintTop_toTopOf="parent" />
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<Button
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android:id="@+id/button_sub"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="-"
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app:layout_constraintEnd_toEndOf="parent"
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app:layout_constraintStart_toStartOf="parent"
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app:layout_constraintTop_toBottomOf="@+id/button_add" />
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<Button
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android:id="@+id/button_mult"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="*"
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app:layout_constraintEnd_toEndOf="parent"
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app:layout_constraintStart_toStartOf="parent"
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app:layout_constraintTop_toBottomOf="@+id/button_sub" />
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<Button
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android:id="@+id/button_div"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="/"
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app:layout_constraintEnd_toEndOf="parent"
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app:layout_constraintHorizontal_bias="0.501"
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app:layout_constraintStart_toStartOf="parent"
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app:layout_constraintTop_toBottomOf="@+id/button_mult" />
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<TextView
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android:id="@+id/txt_equals"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_marginTop="48dp"
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android:text="="
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android:textSize="34sp"
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app:layout_constraintEnd_toEndOf="parent"
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app:layout_constraintHorizontal_bias="0.183"
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app:layout_constraintStart_toStartOf="parent"
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app:layout_constraintTop_toBottomOf="@+id/button_div" />
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<TextView
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android:id="@+id/txt_denom_result"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_marginTop="3dp"
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android:layout_marginBottom="412dp"
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android:inputType="numberSigned"
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android:numeric="integer"
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android:text="TextView"
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android:textAlignment="center"
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android:textSize="34sp"
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app:layout_constraintBottom_toBottomOf="parent"
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app:layout_constraintEnd_toEndOf="parent"
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app:layout_constraintHorizontal_bias="0.247"
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app:layout_constraintStart_toEndOf="@+id/txt_equals"
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app:layout_constraintTop_toBottomOf="@+id/txt_enum_result" />
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<TextView
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android:id="@+id/txt_enum_result"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_marginTop="32dp"
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android:numeric="integer"
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android:text="TextView"
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android:textAlignment="center"
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android:textSize="34sp"
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app:layout_constraintBottom_toTopOf="@+id/txt_denom_result"
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app:layout_constraintEnd_toEndOf="parent"
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app:layout_constraintHorizontal_bias="0.247"
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app:layout_constraintStart_toEndOf="@+id/txt_equals"
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app:layout_constraintTop_toBottomOf="@+id/button_div" />
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<EditText
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android:id="@+id/enumRight"
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android:layout_width="140dp"
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android:layout_height="50dp"
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android:layout_marginTop="32dp"
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android:ems="10"
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android:hint="Zähler"
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android:inputType="numberSigned"
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app:layout_constraintEnd_toEndOf="parent"
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app:layout_constraintStart_toEndOf="@+id/button_add"
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app:layout_constraintTop_toTopOf="parent" />
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<EditText
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android:id="@+id/enumRight2"
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android:layout_width="140dp"
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android:layout_height="50dp"
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android:layout_marginTop="32dp"
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android:ems="10"
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android:hint="Zähler"
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android:inputType="numberSigned"
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app:layout_constraintEnd_toStartOf="@+id/button_add"
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app:layout_constraintStart_toStartOf="parent"
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app:layout_constraintTop_toTopOf="parent" />
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<EditText
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android:id="@+id/denomLeft"
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android:layout_width="140dp"
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android:layout_height="50dp"
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android:layout_marginTop="32dp"
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android:ems="10"
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android:hint="Nenner"
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android:inputType="number"
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app:layout_constraintEnd_toStartOf="@+id/button_mult"
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app:layout_constraintStart_toStartOf="parent"
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app:layout_constraintTop_toBottomOf="@+id/enumRight2" />
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<EditText
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android:id="@+id/denomRight"
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android:layout_width="140dp"
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android:layout_height="50dp"
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android:layout_marginTop="32dp"
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android:ems="10"
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android:hint="Nenner"
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android:inputType="number"
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app:layout_constraintEnd_toEndOf="parent"
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app:layout_constraintStart_toEndOf="@+id/button_mult"
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app:layout_constraintTop_toBottomOf="@+id/enumRight" />
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</androidx.constraintlayout.widget.ConstraintLayout>
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