AugendiagnoseUnlocker: display message on first start -> v1.0.1

AugendiagnoseIdea/augendiagnoseUnlocker/src/main/AndroidManifest.xml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-          package="de.jeisfeld.augendiagnoseunlocker"
+<manifest package="de.jeisfeld.augendiagnoseunlocker"
+          xmlns:android="http://schemas.android.com/apk/res/android"
           android:installLocation="auto"
-          android:versionCode="1"
-          android:versionName="1.0">
+          android:versionCode="2"
+          android:versionName="1.0.1">
 
     <uses-sdk
         android:minSdkVersion="15"
@@ -21,7 +21,18 @@
         android:allowBackup="true"
         android:icon="@drawable/ic_launcher"
         android:label="@string/app_name"
-        android:supportsRtl="false">
+        android:supportsRtl="false"
+        android:theme="@android:style/Theme.Holo">
+        <activity
+            android:name="de.jeisfeld.augendiagnoseunlocker.DisplayMessageActivity"
+            android:label="@string/app_name"
+            android:theme="@android:style/Theme.Holo.Dialog">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
         <activity
             android:name="de.jeisfeld.augendiagnoseunlocker.UnlockActivity"
             android:label="@string/app_name"

AugendiagnoseIdea/augendiagnoseUnlocker/src/main/java/de/jeisfeld/augendiagnoseunlocker/DialogUtil.java

@@ -0,0 +1,82 @@
+package de.jeisfeld.augendiagnoseunlocker;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.DialogFragment;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+
+/**
+ * Helper class to show standard dialogs.
+ */
+public final class DialogUtil {
+	/**
+	 * Parameter to pass the title to the DialogFragment.
+	 */
+	private static final String PARAM_TITLE = "title";
+	/**
+	 * Parameter to pass the message to the DialogFragment (of all types).
+	 */
+	private static final String PARAM_MESSAGE = "message";
+
+	/**
+	 * Hide default constructor.
+	 */
+	private DialogUtil() {
+		throw new UnsupportedOperationException();
+	}
+
+	/**
+	 * Display an error.
+	 *
+	 * @param activity the current activity
+	 * @param resource the error message
+	 * @param args     arguments for the error message
+	 */
+	public static void displayError(@NonNull final Activity activity, final int resource, final Object... args) {
+		String message = String.format(activity.getString(resource), args);
+		Bundle bundle = new Bundle();
+		bundle.putCharSequence(PARAM_MESSAGE, message);
+		bundle.putString(PARAM_TITLE, activity.getString(R.string.title_dialog_error));
+
+		DialogFragment fragment = new DisplayMessageDialogFragment();
+		fragment.setArguments(bundle);
+		fragment.show(activity.getFragmentManager(), fragment.getClass().toString());
+	}
+
+	/**
+	 * Fragment to display an error and go back to the current activity.
+	 */
+	public static class DisplayMessageDialogFragment extends DialogFragment {
+		@Override
+		public final Dialog onCreateDialog(@Nullable final Bundle savedInstanceState) {
+			CharSequence message = getArguments().getCharSequence(PARAM_MESSAGE);
+			String title = getArguments().getString(PARAM_TITLE);
+
+			// Listeners cannot retain functionality when automatically recreated.
+			// Therefore, dialogs with listeners must be re-created by the activity on orientation change.
+			boolean preventRecreation = false;
+			if (savedInstanceState != null) {
+				preventRecreation = savedInstanceState.getBoolean("preventRecreation");
+			}
+			if (preventRecreation) {
+				dismiss();
+			}
+
+			AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+			builder.setTitle(title)
+					.setMessage(message)
+					.setPositiveButton(R.string.button_ok, new DialogInterface.OnClickListener() {
+						@Override
+						public void onClick(@NonNull final DialogInterface dialog, final int id) {
+							dialog.dismiss();
+						}
+					});
+			return builder.create();
+		}
+	}
+
+}

AugendiagnoseIdea/augendiagnoseUnlocker/src/main/java/de/jeisfeld/augendiagnoseunlocker/DisplayMessageActivity.java

@@ -0,0 +1,137 @@
+package de.jeisfeld.augendiagnoseunlocker;
+
+import android.app.Activity;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.net.Uri;
+import android.os.Bundle;
+import android.view.View;
+import android.view.View.OnClickListener;
+
+/**
+ * Main activity of the application.
+ */
+public class DisplayMessageActivity extends Activity {
+	/**
+	 * The package name of the eye diagnosis app.
+	 */
+	private static final String PACKAGE_EYE_DIAGNOSIS = "de.eisfeldj.augendiagnose";
+	/**
+	 * The package name of the Miniris app.
+	 */
+	private static final String PACKAGE_MINIRIS = "de.jeisfeld.miniris";
+
+	@Override
+	protected final void onCreate(final Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+
+		if (isMainAppInstalled()) {
+			displayUnlimitedUseMessage();
+		}
+		else {
+			displayMissingMainAppMessage();
+		}
+	}
+
+	/**
+	 * Display the message that the main app is required.
+	 */
+	private void displayMissingMainAppMessage() {
+		setContentView(R.layout.dialog_missing_main_app);
+
+		findViewById(R.id.buttonEyeDiagnosis).setOnClickListener(new OnClickListener() {
+			@Override
+			public void onClick(final View v) {
+				openGooglePlay(PACKAGE_EYE_DIAGNOSIS);
+				finish();
+			}
+		});
+
+		findViewById(R.id.buttonMiniris).setOnClickListener(new OnClickListener() {
+			@Override
+			public void onClick(final View v) {
+				openGooglePlay(PACKAGE_MINIRIS);
+				finish();
+			}
+		});
+	}
+
+	/**
+	 * Display the message that the apps can be used unlimited now.
+	 */
+	private void displayUnlimitedUseMessage() {
+		setContentView(R.layout.dialog_unlimited_use);
+
+		findViewById(R.id.buttonOk).setOnClickListener(new OnClickListener() {
+			@Override
+			public void onClick(final View v) {
+				setEnabled(DisplayMessageActivity.this, false);
+				finish();
+			}
+		});
+	}
+
+	/**
+	 * Enable or disable this activity.
+	 *
+	 * @param context The calling context.
+	 * @param enabled true for enabling, false for disabling.
+	 */
+	private static void setEnabled(final Context context, final boolean enabled) {
+		ComponentName componentName = new ComponentName(context, DisplayMessageActivity.class);
+		context.getPackageManager().setComponentEnabledSetting(componentName,
+				enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
+				PackageManager.DONT_KILL_APP);
+	}
+
+	/**
+	 * Get information if this activity is enabled.
+	 *
+	 * @param context The calling context.
+	 * @return true if enabled.
+	 */
+	protected static boolean isEnabled(final Context context) {
+		ComponentName componentName = new ComponentName(context, DisplayMessageActivity.class);
+		return context.getPackageManager().getComponentEnabledSetting(componentName) != PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
+	}
+
+	/**
+	 * Open Google Play to display a certain app.
+	 *
+	 * @param appPackage The package of the app to be displayed.
+	 */
+	private void openGooglePlay(final String appPackage) {
+		Intent googlePlayIntent = new Intent(Intent.ACTION_VIEW);
+		googlePlayIntent.setData(Uri.parse("market://details?id=" + appPackage));
+		try {
+			startActivity(googlePlayIntent);
+		}
+		catch (Exception e) {
+			DialogUtil.displayError(this, R.string.message_dialog_failed_to_open_google_play);
+		}
+	}
+
+
+	/**
+	 * Check if the main app Eye Diagnosis or Miniris is installed.
+	 *
+	 * @return true if installed.
+	 */
+	private boolean isMainAppInstalled() {
+		return isAppInstalled(PACKAGE_EYE_DIAGNOSIS) || isAppInstalled(PACKAGE_MINIRIS);
+	}
+
+	/**
+	 * Determine if an app is installed.
+	 *
+	 * @param appPackage the app package name.
+	 * @return true if the app is installed.
+	 */
+	private boolean isAppInstalled(final String appPackage) {
+		Intent appIntent = getPackageManager().getLaunchIntentForPackage(appPackage);
+		return appIntent != null;
+	}
+
+}

AugendiagnoseIdea/augendiagnoseUnlocker/src/main/java/de/jeisfeld/augendiagnoseunlocker/UnlockActivity.java

@@ -34,6 +34,12 @@ protected final void onCreate(final Bundle savedInstanceState) {
 		Intent responseIntent = new Intent();
 		responseIntent.putExtras(resultData);
 		setResult(RESULT_OK, responseIntent);
+
+		if (DisplayMessageActivity.isEnabled(this)) {
+			Intent messageIntent = new Intent(this, DisplayMessageActivity.class);
+			startActivity(messageIntent);
+		}
+
 		finish();
 	}
 

AugendiagnoseIdea/augendiagnoseUnlocker/src/main/res/layout/dialog_missing_main_app.xml

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:layout_width="match_parent"
+              android:layout_height="match_parent"
+              android:orientation="vertical">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:padding="@dimen/activity_margin"
+        android:text="@string/text_warning"
+        android:textAppearance="?android:attr/textAppearanceLarge"/>
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:padding="@dimen/activity_margin"
+        android:text="@string/text_message_missing_main_app"
+        android:textAppearance="?android:attr/textAppearanceMedium"/>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:padding="@dimen/activity_margin">
+
+        <Button
+            android:id="@+id/buttonEyeDiagnosis"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_margin="0dp"
+            android:layout_weight="1"
+            android:text="@string/button_install_eye_diagnosis"/>
+
+        <Button
+            android:id="@+id/buttonMiniris"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_margin="0dp"
+            android:layout_weight="1"
+            android:text="@string/button_install_miniris"/>
+    </LinearLayout>
+</LinearLayout>

AugendiagnoseIdea/augendiagnoseUnlocker/src/main/res/layout/dialog_unlimited_use.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:layout_width="match_parent"
+              android:layout_height="match_parent"
+              android:orientation="vertical">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:padding="@dimen/activity_margin"
+        android:text="@string/text_thanks"
+        android:textAppearance="?android:attr/textAppearanceLarge"/>
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:padding="@dimen/activity_margin"
+        android:text="@string/text_message_unlimited_use"
+        android:textAppearance="?android:attr/textAppearanceMedium"/>
+
+    <Button
+        android:id="@+id/buttonOk"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="@dimen/activity_margin"
+        android:text="@string/button_ok"/>
+
+</LinearLayout>

AugendiagnoseIdea/augendiagnoseUnlocker/src/main/res/values-de/strings.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <string name="app_name">Iridology unlocker</string>
+    <string name="text_warning">Warnung</string>
+    <string name="text_message_missing_main_app">Dia App „Iridology Unlocker“ kann nicht alleine betrieben werden. Sie dient nur zur Freischaltung der Apps „Augendiagnose“ und „Miniris“. Bitte installieren Sie eine dieser Apps.</string>
+    <string name="button_install_eye_diagnosis">„Augendiagnose“ installieren</string>
+    <string name="button_install_miniris">„Miniris“ installieren</string>
+    <string name="text_thanks">Danke!</string>
+    <string name="text_message_unlimited_use">Danke für den Erwerb von „Iridology Unlocker“. Sie können nun die Apps „Augendiagnose“ und „Miniris“ auf diesem Gerät unbegrenzt nutzen.</string>
+    <string name="button_ok">OK</string>
+    <string name="title_dialog_error">Fehler</string>
+    <string name="message_dialog_failed_to_open_google_play">Google Play konnte nicht gestartet werden.</string>
+
+</resources>

AugendiagnoseIdea/augendiagnoseUnlocker/src/main/res/values-es/strings.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <string name="app_name">Iridology unlocker</string>
+    <string name="text_warning">Aviso</string>
+    <string name="text_message_missing_main_app">La aplicación «Iridology Unlocker» no se puede ejecutar independiente. Sólo sirve como clave de desbloqueo de las aplicaciones «Diagnóstico ocular» y «Miniris». Por favor, instale una de estas aplicaciones.</string>
+    <string name="button_install_eye_diagnosis">Instalar «Diagnóstico ocular»</string>
+    <string name="button_install_miniris">Instalar «Miniris»</string>
+    <string name="text_thanks">¡Gracias!</string>
+    <string name="text_message_unlimited_use">Gracias por comprar «Iridology Unlocker». Ahora puede utilizar las aplicaciónes «Diagnóstico ocular» y «Miniris» ilimitadamente en este dispositivo.</string>
+    <string name="button_ok">OK</string>
+    <string name="title_dialog_error">Error</string>
+    <string name="message_dialog_failed_to_open_google_play">Error al abrir Google Play.</string>
+
+</resources>

AugendiagnoseIdea/augendiagnoseUnlocker/src/main/res/values-large/dimens.xml

@@ -0,0 +1,5 @@
+<resources>
+
+    <dimen name="activity_margin">32dp</dimen>
+
+</resources>

AugendiagnoseIdea/augendiagnoseUnlocker/src/main/res/values/dimens.xml

@@ -0,0 +1,5 @@
+<resources>
+
+    <dimen name="activity_margin">16dp</dimen>
+
+</resources>