This is a part of an online Codename One course published around 2017 see it all for free at https://debugagent.com/series/cn1

1. Hacking the Source - Part IV

2. Android Studio
© Codename One 2017 all rights reserved

3. Package Name
© Codename One 2017 all rights reserved

4. Target Devices
© Codename One 2017 all rights reserved

5. Activity
© Codename One 2017 all rights reserved

6. Java 8
© Codename One 2017 all rights reserved

7. apply plugin: 'com.android.application'
android {
compileSdkVersion 26
defaultConfig {
applicationId "com.codename1.demos.kitchen"
minSdkVersion 15
targetSdkVersion 26
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
sourceSets {
main.java.srcDirs += 'src/main'
main.java.srcDirs += '../../KitchenSink/src'
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
build.gradle

8. minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
sourceSets {
main.java.srcDirs += 'src/main'
main.java.srcDirs += '../../KitchenSink/src'
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
}
dependencies {
implementation fileTree(include: ['*.jar'], dir: 'libs')
implementation 'com.android.support:appcompat-v7:26.1.0'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.1'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
compile 'com.google.android.gms:play-services-identity:8.3.0'
compile 'com.google.android.gms:play-services-plus:8.3.0'
compile 'com.google.android.gms:play-services-location:8.3.0'
compile 'com.google.android.gms:play-services-auth:8.3.0'
compile 'com.facebook.android:facebook-android-sdk:4.7.0'
}
build.gradle

9. minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
sourceSets {
main.java.srcDirs += 'src/main'
main.java.srcDirs += '../../KitchenSink/src'
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
}
dependencies {
implementation fileTree(include: ['*.jar'], dir: 'libs')
implementation 'com.android.support:appcompat-v7:26.1.0'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.1'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
compile 'com.google.android.gms:play-services-identity:8.3.0'
compile 'com.google.android.gms:play-services-plus:8.3.0'
compile 'com.google.android.gms:play-services-location:8.3.0'
compile 'com.google.android.gms:play-services-auth:8.3.0'
compile 'com.facebook.android:facebook-android-sdk:4.7.0'
}
build.gradle

10. android.enableAapt2=false
gradle.properties

11. cp -Rf ../cn1/CodenameOne/src/* ../
KitchenSinkAndroid/app/src/main/java/
cp -Rf ../cn1/Ports/Android/src/* ../
KitchenSinkAndroid/app/src/main/java/
rm ../KitchenSinkAndroid/app/src/main/java/*
Copy Sources

12. mkdir ../KitchenSinkAndroid/app/src/main/assets
cp ../cn1/CodenameOne/src/* ../KitchenSinkAndroid/
app/src/main/assets/
cp ../cn1/Ports/Android/src/* ../
KitchenSinkAndroid/app/src/main/assets/
cp src/* ../KitchenSinkAndroid/app/src/main/assets
Copy Assets

13. package com.codename1.demos.kitchen;
import com.codename1.impl.android.AndroidImplementation;
import com.codename1.impl.android.CodenameOneActivity;
import com.codename1.ui.Dialog;
import com.codename1.ui.Display;
import com.codename1.ui.Form;
public class KitchenSinkStub extends CodenameOneActivity implements Runnable {
private static KitchenSink i;
private static boolean firstTime = true;
private Form currentForm;
private static final Object LOCK = new Object();
protected void onResume() {
super.onResume();
AndroidImplementation.startContext(this);
if (i == null) {
i = new KitchenSink();
}
Display.getInstance().callSerially(this);
}
public void run() {
if (firstTime) {
firstTime = false;
i.init(this);
KitchenSinkStub

14. package com.codename1.demos.kitchen;
import com.codename1.impl.android.AndroidImplementation;
import com.codename1.impl.android.CodenameOneActivity;
import com.codename1.ui.Dialog;
import com.codename1.ui.Display;
import com.codename1.ui.Form;
public class KitchenSinkStub extends CodenameOneActivity implements Runnable {
private static KitchenSink i;
private static boolean firstTime = true;
private Form currentForm;
private static final Object LOCK = new Object();
protected void onResume() {
super.onResume();
AndroidImplementation.startContext(this);
if (i == null) {
i = new KitchenSink();
}
Display.getInstance().callSerially(this);
}
public void run() {
if (firstTime) {
firstTime = false;
i.init(this);
KitchenSinkStub

15. package com.codename1.demos.kitchen;
import com.codename1.impl.android.AndroidImplementation;
import com.codename1.impl.android.CodenameOneActivity;
import com.codename1.ui.Dialog;
import com.codename1.ui.Display;
import com.codename1.ui.Form;
public class KitchenSinkStub extends CodenameOneActivity implements Runnable {
private static KitchenSink i;
private static boolean firstTime = true;
private Form currentForm;
private static final Object LOCK = new Object();
protected void onResume() {
super.onResume();
AndroidImplementation.startContext(this);
if (i == null) {
i = new KitchenSink();
}
Display.getInstance().callSerially(this);
}
public void run() {
if (firstTime) {
firstTime = false;
i.init(this);
KitchenSinkStub

16. package com.codename1.demos.kitchen;
import com.codename1.impl.android.AndroidImplementation;
import com.codename1.impl.android.CodenameOneActivity;
import com.codename1.ui.Dialog;
import com.codename1.ui.Display;
import com.codename1.ui.Form;
public class KitchenSinkStub extends CodenameOneActivity implements Runnable {
private static KitchenSink i;
private static boolean firstTime = true;
private Form currentForm;
private static final Object LOCK = new Object();
protected void onResume() {
super.onResume();
AndroidImplementation.startContext(this);
if (i == null) {
i = new KitchenSink();
}
Display.getInstance().callSerially(this);
}
public void run() {
if (firstTime) {
firstTime = false;
i.init(this);
KitchenSinkStub

17. public void run() {
if (firstTime) {
firstTime = false;
i.init(this);
} else {
synchronized (LOCK) {
if (currentForm != null) {
if (currentForm instanceof Dialog) {
((Dialog) currentForm).showModeless();
} else {
currentForm.show();
}
fireIntentResult();
currentForm = null;
setWaitingForResult(false);
return;
}
}
}
i.start();
}
protected void onPause() {
super.onPause();
KitchenSinkStub

18. public void run() {
if (firstTime) {
firstTime = false;
i.init(this);
} else {
synchronized (LOCK) {
if (currentForm != null) {
if (currentForm instanceof Dialog) {
((Dialog) currentForm).showModeless();
} else {
currentForm.show();
}
fireIntentResult();
currentForm = null;
setWaitingForResult(false);
return;
}
}
}
i.start();
}
protected void onPause() {
super.onPause();
KitchenSinkStub

19. public void run() {
if (firstTime) {
firstTime = false;
i.init(this);
} else {
synchronized (LOCK) {
if (currentForm != null) {
if (currentForm instanceof Dialog) {
((Dialog) currentForm).showModeless();
} else {
currentForm.show();
}
fireIntentResult();
currentForm = null;
setWaitingForResult(false);
return;
}
}
}
i.start();
}
protected void onPause() {
super.onPause();
KitchenSinkStub

20. i.start();
}
protected void onPause() {
super.onPause();
synchronized (LOCK) {
currentForm = Display.getInstance().getCurrent();
}
}
protected void onStop() {
super.onStop();
if (isWaitingForResult()) {
return;
}
synchronized (LOCK) {
currentForm = null;
}
Display.getInstance().callSerially(() -> i.stop());
}
protected void onDestroy() {
super.onDestroy();
Display.getInstance().callSerially(() -> {
i.destroy();
Display.deinitialize();
});
}
}
KitchenSinkStub

21. <manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.codename1.demos.kitchen">
<application
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/CustomTheme" >
<activity android:name=".KitchenSinkStub"
android:configChanges="orientation|keyboardHidden|screenSize"
android:launchMode="singleTop">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
Manifest

22. <?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#ff000000">
</RelativeLayout>
main.xml

23. <?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="CustomTheme" parent="android:Theme.Black">
<item name="attr/cn1Style">@style/CN1.EditText.Style</item>
</style>
<attr name="cn1Style" format="reference" />
<style name="CN1.EditText.Style"
parent="@android:style/Widget.EditText">
<item name="android:textCursorDrawable">@null</item>
</style>
</resources>
styles.xml

24. <?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="CustomTheme"
parent="@android:style/Theme.Holo.Light">
<item name="attr/cn1Style">@style/CN1.EditText.Style</item>
<item name="android:windowActionBar">false</item>
<item name="android:windowTitleSize">0dp</item>
</style>
<style name="CN1.EditText.Style"
parent="@android:style/Widget.EditText">
<item name="android:textCursorDrawable">@null</item>
</style>
</resources>
styles.xml (v11)

25. <?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="CustomTheme"
parent="@android:style/Theme.Material.Light">
<item name="attr/cn1Style">@style/CN1.EditText.Style</item>
<item name="android:windowActionBar">false</item>
<item name="android:windowTitleSize">0dp</item>
<item name="android:colorPrimary">@color/colorPrimary</item>
<item name="android:colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="android:colorAccent">@color/colorAccent</item>
</style>
<style name="CN1.EditText.Style"
parent="@android:style/Widget.EditText">
<item name="android:textCursorDrawable">@null</item>
</style>
</resources>
styles.xml (v21)