From a7c1cd77598c83fe14577cb0393e76ee7d29645c Mon Sep 17 00:00:00 2001
From: Michael Gernoth <michael@gernoth.net>
Date: Wed, 5 Sep 2012 18:22:00 +0200
Subject: [PATCH] error checks, manifest updates to limit market devices

---
 MS2Debounce/AndroidManifest.xml               |  9 +++-
 .../ms2debounce/DebounceModuleHelper.java     | 33 +++++++++-----
 .../src/de/rmdir/ms2debounce/MS2Debounce.java | 45 ++++++++++++++-----
 3 files changed, 62 insertions(+), 25 deletions(-)

diff --git a/MS2Debounce/AndroidManifest.xml b/MS2Debounce/AndroidManifest.xml
index 3087cfb..3d999b1 100644
--- a/MS2Debounce/AndroidManifest.xml
+++ b/MS2Debounce/AndroidManifest.xml
@@ -1,8 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
       package="de.rmdir.ms2debounce"
-      android:versionCode="1"
-      android:versionName="1.0">
+      android:versionCode="4"
+      android:versionName="1.4">
+    <uses-sdk android:minSdkVersion="8" />
+    <uses-configuration android:reqKeyboardType="qwerty" />
+    <supports-screens android:smallScreens="false"
+    		      android:normalScreens="true"
+		      android:largeScreens="false" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <application android:label="@string/app_name" android:icon="@drawable/icon">
         <activity android:name="MS2Debounce"
diff --git a/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java b/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java
index 6234eae..b5310d6 100644
--- a/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java
+++ b/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java
@@ -32,9 +32,13 @@ public class DebounceModuleHelper
 		setActiveHigh(getSavedActiveHigh());
 	}
 
-	public void loadModule() {
-		_loadModule();
+	public boolean loadModule() {
+		if (!_loadModule())
+			return false;
+
 		setAllValues();
+
+		return true;
 	}
 
 	protected void runAsRoot(String command) throws java.io.IOException,java.lang.InterruptedException {
@@ -48,7 +52,7 @@ public class DebounceModuleHelper
 		rootcmd.waitFor();
 	}
 
-	public synchronized void _loadModule() {
+	public synchronized boolean _loadModule() {
 		File debounce_ko = new File(ctx.getFilesDir() + "/debounce.ko");
 
 		extractModule();
@@ -61,28 +65,34 @@ public class DebounceModuleHelper
 		}
 
 		try {
-			runAsRoot("/system/bin/insmod " + debounce_ko);
+			runAsRoot("/system/bin/insmod " + debounce_ko + " || /system/xbin/insmod " + debounce_ko);
 		} catch (Exception e) {
-			return;
+			return false;
 		}
 
 		if (!isLoaded()) {
-			return;
+			return false;
 		}
 
 		if (getDelay() < 0) {
-			return;
+			return false;
 		}
 
 		/* Module was obviously loaded, so it is safe to load on boot */
 		editor.putBoolean("safe_to_load", true);
 		editor.commit();
+
+		return true;
 	}
 
-	public synchronized void unloadModule() {
+	public synchronized boolean unloadModule() {
 		try {
-			runAsRoot("/system/bin/rmmod debounce");
-		} catch (Exception e) {}
+			runAsRoot("/system/bin/rmmod debounce || /system/xbin/rmmod debounce");
+		} catch (Exception e) {
+			return false;
+		}
+
+		return true;
 	}
 
 	public synchronized boolean isLoaded() {
@@ -138,7 +148,8 @@ public class DebounceModuleHelper
 			fbuf.write((new Integer(value)).toString());
 
 			fbuf.close();
-		} catch (Exception e) {}
+		} catch (Exception e) {
+		}
 	}
 
 	public synchronized int getDelay() {
diff --git a/MS2Debounce/src/de/rmdir/ms2debounce/MS2Debounce.java b/MS2Debounce/src/de/rmdir/ms2debounce/MS2Debounce.java
index 27508fc..c7ba1b9 100644
--- a/MS2Debounce/src/de/rmdir/ms2debounce/MS2Debounce.java
+++ b/MS2Debounce/src/de/rmdir/ms2debounce/MS2Debounce.java
@@ -238,7 +238,8 @@ public class MS2Debounce extends Activity
 	public void loadModule(View view) {
 		disableUI();
 		if (!module.isLoaded()) {
-			module.loadModule();
+			if (!module.loadModule())
+				showDialog(23);
 		}
 		updateUI();
 	}
@@ -246,7 +247,8 @@ public class MS2Debounce extends Activity
 	public void unloadModule(View view) {
 		disableUI();
 		if (module.isLoaded()) {
-			module.unloadModule();
+			if (!module.unloadModule())
+				showDialog(23);
 		}
 		updateUI();
 	}
@@ -254,7 +256,8 @@ public class MS2Debounce extends Activity
 	public void setValues(View view) {
 		disableUI();
 		if (!module.isLoaded()) {
-			module.loadModule();
+			if (!module.loadModule())
+				showDialog(23);
 		}
 		module.setAllValues();
 		updateUI();
@@ -305,15 +308,33 @@ public class MS2Debounce extends Activity
 	protected Dialog onCreateDialog(int id) {
 		Dialog dlg = null;
 
-		AlertDialog.Builder about = new AlertDialog.Builder(this);
-		about.setMessage("Milestone 2 Debounce\n\n(C) 2011 Michael Gernoth <michael@gernoth.net>\n\nThis program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation version 2 of the License.\n\nThis program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.\n\nYou should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA")
-			.setCancelable(true)
-			.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
-				public void onClick(DialogInterface dialog, int id) {
-					dialog.cancel();
-				}
-			});
-		dlg = about.create();
+		switch(id) {
+			case 23:
+				AlertDialog.Builder noroot = new AlertDialog.Builder(this);
+				noroot.setMessage("Could not get root access! Is this device rooted and have you granted SuperUser privileges?")
+					.setCancelable(true)
+					.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
+						public void onClick(DialogInterface dialog, int id) {
+							dialog.cancel();
+						}
+					});
+				dlg = noroot.create();
+				break;
+			case 42:
+				AlertDialog.Builder about = new AlertDialog.Builder(this);
+				about.setMessage("Milestone 2 Debounce\n\n(C) 2011 Michael Gernoth <michael@gernoth.net>\n\nThis program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation version 2 of the License.\n\nThis program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.\n\nYou should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA")
+					.setCancelable(true)
+					.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
+						public void onClick(DialogInterface dialog, int id) {
+							dialog.cancel();
+						}
+					});
+				dlg = about.create();
+				break;
+			default:
+				dlg = null;
+				break;
+		}
 
 		return dlg;
 	}
-- 
2.39.2