Remove app in case of debug keystore conflict

Author: imilka

src/processing/mode/android/AndroidRunner.java

@@ -72,7 +72,7 @@ public void launch(Future<Device> deviceFuture) {
 //  monitor.setNote("Installing sketch on " + device.getId());
     listener.statusNotice("Installing sketch on " + device.getId());
     // this stopped working with Android SDK tools revision 17
-    if (!device.installApp(build.getPathForAPK(), listener)) {
+    if (!device.installApp(build, listener)) {
       listener.statusError("Lost connection with device while installing. Try again.");
       Devices.killAdbServer();  // see above
       return;

src/processing/mode/android/Device.java

@@ -78,13 +78,13 @@ public String getName() {
   // Success
 
   // safe to just always include the -r (reinstall) flag
-  public boolean installApp(final String apkPath, final RunnerListener status) {
+  public boolean installApp(final AndroidBuild build, final RunnerListener status) {
     if (!isAlive()) {
       return false;
     }
     bringLauncherToFront();
     try {
-      final ProcessResult installResult = adb("install", "-r", apkPath);
+      final ProcessResult installResult = adb("install", "-r", build.getPathForAPK());
       if (!installResult.succeeded()) {
         status.statusError("Could not install the sketch.");
         System.err.println(installResult);
@@ -94,6 +94,12 @@ public boolean installApp(final String apkPath, final RunnerListener status) {
       for (final String line : installResult) {
         if (line.startsWith("Failure")) {
           errorMsg = line.substring(8);
+
+          if(line.contains("INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES")) {
+            boolean removeResult = removeApp(build.getPackageName());
+            if(removeResult) return installApp(build, status);
+          }
+
           System.err.println(line);
         }
       }
@@ -109,6 +115,16 @@ public boolean installApp(final String apkPath, final RunnerListener status) {
     return false;
   }
 
+  public boolean removeApp(String packageName) throws IOException, InterruptedException {
+    final ProcessResult removeResult = adb("uninstall", packageName);
+
+    if (!removeResult.succeeded()) {
+      return false;
+    }
+
+    return true;
+  }
+
 
   // different version that actually runs through JDI:
   // http://asantoso.wordpress.com/2009/09/26/using-jdb-with-adb-to-debugging-of-android-app-on-a-real-device/