From 14ad314a1a63a558340740db8b3bdaded7fe001b Mon Sep 17 00:00:00 2001
From: Alexey Kulish <alexey.kulish@osmand.net>
Date: Sun, 13 Nov 2016 17:42:53 +0300
Subject: [PATCH] Added OsmAnd/maps installation request to Sample

---
 .../res/layout/install_osmand_dialog.xml      | 40 ++++++++++
 OsmAndCore-sample/res/values/strings.xml      |  8 ++
 OsmAndCore-sample/res/values/styles.xml       |  2 +-
 .../sample1/InstallOsmAndAppDialog.java       | 79 +++++++++++++++++++
 .../samples/android/sample1/MainActivity.java | 52 +++++++++---
 .../samples/android/sample1/SampleUtils.java  | 62 +++++++++++++++
 6 files changed, 233 insertions(+), 10 deletions(-)
 create mode 100644 OsmAndCore-sample/res/layout/install_osmand_dialog.xml
 create mode 100644 OsmAndCore-sample/src/net/osmand/core/samples/android/sample1/InstallOsmAndAppDialog.java
 create mode 100644 OsmAndCore-sample/src/net/osmand/core/samples/android/sample1/SampleUtils.java

diff --git a/OsmAndCore-sample/res/layout/install_osmand_dialog.xml b/OsmAndCore-sample/res/layout/install_osmand_dialog.xml
new file mode 100644
index 0000000000..2b7e39d421
--- /dev/null
+++ b/OsmAndCore-sample/res/layout/install_osmand_dialog.xml
@@ -0,0 +1,40 @@
+<?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="wrap_content"
+              android:orientation="vertical">
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:padding="24dp">
+
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginBottom="20dp"
+                android:text="@string/install_osmand_q"/>
+
+            <Button
+                android:id="@+id/install_osmand_btn"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:text="Get OsmAnd"/>
+
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="20dp"
+                android:text="@string/install_osmand_note"/>
+
+        </LinearLayout>
+
+    </ScrollView>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/OsmAndCore-sample/res/values/strings.xml b/OsmAndCore-sample/res/values/strings.xml
index 0586d71b0e..8c92999259 100644
--- a/OsmAndCore-sample/res/values/strings.xml
+++ b/OsmAndCore-sample/res/values/strings.xml
@@ -1,5 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
+    <string name="install_maps_title">Install maps</string>
+    <string name="install_maps_desc">You do not have maps in the OsmAnd application. Please download map(s) first and restart the Sample.\n\nDo not forget to set OsmAnd General settings > Data storage folder to Shared memory.</string>
+    <string name="shared_string_cancel">Cancel</string>
+    <string name="shared_string_error">Error</string>
+    <string name="restart_app">Restart app</string>
+    <string name="install_osmand_title">Install OsmAnd</string>
+    <string name="install_osmand_q">The OsmAnd application not found. Please install OsmAnd and download maps.</string>
+    <string name="install_osmand_note">NOTE: After OsmAnd will be installed, you need to set OsmAnd General settings > Data storage folder to Shared memory</string>
     <string name="app_name">OsmAnd Core API sample 1 for Android OS</string>
     <string name="title_activity_main">OsmAnd Core Sample 1</string>
     <string name="zoomIn">Zoom in</string>
diff --git a/OsmAndCore-sample/res/values/styles.xml b/OsmAndCore-sample/res/values/styles.xml
index 26dd38c319..18ea79a60a 100644
--- a/OsmAndCore-sample/res/values/styles.xml
+++ b/OsmAndCore-sample/res/values/styles.xml
@@ -1,5 +1,5 @@
 <resources>
-    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
         <item name="colorPrimary">@color/colorPrimary</item>
         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
         <item name="colorAccent">@color/colorAccent</item>
diff --git a/OsmAndCore-sample/src/net/osmand/core/samples/android/sample1/InstallOsmAndAppDialog.java b/OsmAndCore-sample/src/net/osmand/core/samples/android/sample1/InstallOsmAndAppDialog.java
new file mode 100644
index 0000000000..4fa872c50f
--- /dev/null
+++ b/OsmAndCore-sample/src/net/osmand/core/samples/android/sample1/InstallOsmAndAppDialog.java
@@ -0,0 +1,79 @@
+package net.osmand.core.samples.android.sample1;
+
+import android.app.Dialog;
+import android.content.ActivityNotFoundException;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v4.app.FragmentManager;
+import android.support.v7.app.AlertDialog;
+import android.support.v7.app.AppCompatDialogFragment;
+import android.view.View;
+
+public class InstallOsmAndAppDialog extends AppCompatDialogFragment {
+	private static final String TAG = "InstallOsmAndAppDialog";
+	private static final String OSMAND_PLUS_PACKAGE_NAME = "net.osmand.plus";
+	private static final String OSMAND_PACKAGE_NAME = "net.osmand";
+	private static boolean wasChecked = false;
+
+	@NonNull
+	@Override
+	public Dialog onCreateDialog(Bundle savedInstanceState) {
+		final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+		builder.setTitle(R.string.install_osmand_title);
+		builder.setNegativeButton(R.string.shared_string_cancel, null);
+		builder.setPositiveButton(getString(R.string.restart_app), new DialogInterface.OnClickListener() {
+
+			@Override
+			public void onClick(DialogInterface dialog, int which) {
+				dialog.dismiss();
+				SampleUtils.doRestart(getActivity());
+			}
+		});
+
+		View view = getActivity().getLayoutInflater().inflate(R.layout.install_osmand_dialog, null);
+		view.findViewById(R.id.install_osmand_btn).setOnClickListener(new View.OnClickListener() {
+			@Override
+			public void onClick(View v) {
+				boolean success = execOsmAndInstall("market://search?q=pname:");
+				if (!success) {
+					success = execOsmAndInstall("https://play.google.com/store/apps/details?id=");
+				}
+				if (!success) {
+					execOsmAndInstall("http://osmand.net/apps?id=");
+				}
+			}
+		});
+		builder.setView(view);
+		return builder.create();
+	}
+
+	private boolean execOsmAndInstall(String prefix) {
+		Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(prefix + OSMAND_PACKAGE_NAME));
+		try {
+			getActivity().startActivity(intent);
+			return true;
+		} catch (ActivityNotFoundException e) {
+			e.printStackTrace();
+		}
+		return false;
+	}
+
+	public static boolean showIfNeeded(FragmentManager manager, Context ctx) {
+		if (wasChecked) {
+			return false;
+		}
+		wasChecked = true;
+		if (!SampleUtils.isPackageInstalled(OSMAND_PACKAGE_NAME, ctx)
+				&& !SampleUtils.isPackageInstalled(OSMAND_PLUS_PACKAGE_NAME, ctx)) {
+			new InstallOsmAndAppDialog().show(manager, TAG);
+			return true;
+		} else {
+			return false;
+		}
+	}
+}
diff --git a/OsmAndCore-sample/src/net/osmand/core/samples/android/sample1/MainActivity.java b/OsmAndCore-sample/src/net/osmand/core/samples/android/sample1/MainActivity.java
index 6c4523e1f0..befaef9265 100644
--- a/OsmAndCore-sample/src/net/osmand/core/samples/android/sample1/MainActivity.java
+++ b/OsmAndCore-sample/src/net/osmand/core/samples/android/sample1/MainActivity.java
@@ -2,7 +2,7 @@ package net.osmand.core.samples.android.sample1;
 
 import android.Manifest;
 import android.annotation.SuppressLint;
-import android.app.Activity;
+import android.content.DialogInterface;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.Editor;
 import android.content.pm.PackageManager;
@@ -14,6 +14,8 @@ import android.support.v4.app.ActivityCompat;
 import android.support.v4.content.ContextCompat;
 import android.support.v4.view.ViewCompat;
 import android.support.v4.view.ViewPropertyAnimatorListener;
+import android.support.v7.app.AlertDialog;
+import android.support.v7.app.AppCompatActivity;
 import android.text.Editable;
 import android.text.TextWatcher;
 import android.util.DisplayMetrics;
@@ -66,13 +68,14 @@ import net.osmand.search.core.SearchSettings;
 import net.osmand.util.MapUtils;
 
 import java.io.File;
+import java.io.FilenameFilter;
 import java.io.RandomAccessFile;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Locale;
 
-public class MainActivity extends Activity {
+public class MainActivity extends AppCompatActivity {
 	private static final String TAG = "OsmAndCoreSample";
 
 	private float displayDensityFactor;
@@ -113,6 +116,8 @@ public class MainActivity extends Activity {
 	private SearchListAdapter adapter;
 	private String queryText = "";
 
+	private boolean noMapsFound;
+
 	// Germany
 	private final static float INIT_LAT = 49.353953f;
 	private final static float INIT_LON = 11.214384f;
@@ -144,7 +149,7 @@ public class MainActivity extends Activity {
 	@Override
 	public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
 		super.onRequestPermissionsResult(requestCode, permissions, grantResults);
-		if(requestCode == SampleApplication.PERMISSIONS_REQUEST_WRITE_EXTERNAL_STORAGE &&
+		if (requestCode == SampleApplication.PERMISSIONS_REQUEST_WRITE_EXTERNAL_STORAGE &&
 				grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 			getSampleApplication().initPoiTypes();
 		}
@@ -162,8 +167,9 @@ public class MainActivity extends Activity {
 		// Inflate views
 		setContentView(R.layout.activity_main);
 
-		if(ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)
-				!= PackageManager.PERMISSION_GRANTED) {
+		boolean externalStoragePermissionGranted = ContextCompat.checkSelfPermission(this,
+				Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED;
+		if (!externalStoragePermissionGranted) {
 			ActivityCompat.requestPermissions(this,
 					new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
 					SampleApplication.PERMISSIONS_REQUEST_WRITE_EXTERNAL_STORAGE);
@@ -342,6 +348,37 @@ public class MainActivity extends Activity {
 			}
 		});
 
+		if (!InstallOsmAndAppDialog.showIfNeeded(getSupportFragmentManager(), this)
+				&& externalStoragePermissionGranted) {
+			checkMapsInstalled();
+		}
+	}
+
+	private void checkMapsInstalled() {
+		File mapsDir = new File(getSampleApplication().getAbsoluteAppPath());
+		if (mapsDir.exists()) {
+			File[] maps = mapsDir.listFiles(new FilenameFilter() {
+				@Override
+				public boolean accept(File dir, String filename) {
+					return filename.toLowerCase().endsWith(".obf");
+				}
+			});
+			noMapsFound = maps == null || maps.length == 0;
+		}
+
+		if (noMapsFound) {
+			AlertDialog.Builder builder = new AlertDialog.Builder(this);
+			builder.setTitle(R.string.install_maps_title);
+			builder.setMessage(R.string.install_maps_desc);
+			builder.setNegativeButton(R.string.shared_string_cancel, null);
+			builder.setPositiveButton(R.string.restart_app, new DialogInterface.OnClickListener() {
+				@Override
+				public void onClick(DialogInterface dialog, int which) {
+					SampleUtils.doRestart(MainActivity.this);
+				}
+			});
+			builder.create().show();
+		}
 	}
 
 	private void setupSearch() {
@@ -382,7 +419,6 @@ public class MainActivity extends Activity {
 	@Override
 	protected void onResume() {
 		super.onResume();
-
 		mapView.handleOnResume();
 	}
 
@@ -390,14 +426,12 @@ public class MainActivity extends Activity {
 	protected void onPause() {
 		saveMapState();
 		mapView.handleOnPause();
-
 		super.onPause();
 	}
 
 	@Override
 	protected void onDestroy() {
 		mapView.handleOnDestroy();
-
 		super.onDestroy();
 	}
 
@@ -538,7 +572,7 @@ public class MainActivity extends Activity {
 	private void runSearch(String text) {
 
 		SearchSettings settings = searchUICore.getPhrase().getSettings();
-		if(settings.getRadiusLevel() != 1){
+		if (settings.getRadiusLevel() != 1) {
 			searchUICore.updateSettings(settings.setRadiusLevel(1));
 		}
 		searchUICore.search(text, null);
diff --git a/OsmAndCore-sample/src/net/osmand/core/samples/android/sample1/SampleUtils.java b/OsmAndCore-sample/src/net/osmand/core/samples/android/sample1/SampleUtils.java
new file mode 100644
index 0000000000..b7c1bac7fe
--- /dev/null
+++ b/OsmAndCore-sample/src/net/osmand/core/samples/android/sample1/SampleUtils.java
@@ -0,0 +1,62 @@
+package net.osmand.core.samples.android.sample1;
+
+import android.app.AlarmManager;
+import android.app.PendingIntent;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+
+public class SampleUtils {
+
+	public static void doRestart(Context c) {
+		boolean res = false;
+		try {
+			//check if the context is given
+			if (c != null) {
+				//fetch the packagemanager so we can get the default launch activity
+				// (you can replace this intent with any other activity if you want
+				PackageManager pm = c.getPackageManager();
+				//check if we got the PackageManager
+				if (pm != null) {
+					//create the intent with the default start activity for your application
+					Intent mStartActivity = pm.getLaunchIntentForPackage(
+							c.getPackageName()
+					);
+					if (mStartActivity != null) {
+						mStartActivity.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+						//create a pending intent so the application is restarted after System.exit(0) was called.
+						// We use an AlarmManager to call this intent in 100ms
+						int mPendingIntentId = 84523123;
+						PendingIntent mPendingIntent = PendingIntent
+								.getActivity(c, mPendingIntentId, mStartActivity,
+										PendingIntent.FLAG_CANCEL_CURRENT);
+						AlarmManager mgr = (AlarmManager) c.getSystemService(Context.ALARM_SERVICE);
+						mgr.set(AlarmManager.RTC, System.currentTimeMillis() + 100, mPendingIntent);
+						//kill the application
+						res = true;
+						android.os.Process.killProcess(android.os.Process.myPid());
+						//System.exit(0);
+					}
+				}
+			}
+		} catch (Exception ex) {
+			//ignore
+		}
+		if (!res) {
+			android.os.Process.killProcess(android.os.Process.myPid());
+		}
+	}
+
+	public static boolean isPackageInstalled(String packageInfo, Context ctx) {
+		if (packageInfo == null) {
+			return false;
+		}
+		boolean installed = false;
+		try {
+			installed = ctx.getPackageManager().getPackageInfo(packageInfo, 0) != null;
+		} catch (PackageManager.NameNotFoundException e) {
+			//ignore
+		}
+		return installed;
+	}
+}