Fix for I2PAndroidHelper.isI2PAndroidRunning() always returning false

Requires v0.7 of the I2P client library, which will be released once I2P 0.9.20
is released.

app/build.gradle

@@ -39,5 +39,5 @@ dependencies {
     compile 'com.android.support:palette-v7:22.1.1'
     compile 'com.android.support:appcompat-v7:22.1.1'
     compile 'org.jsoup:jsoup:1.8.1'
-    compile 'net.i2p.android:client:0.6@aar'
+    compile 'net.i2p.android:client:0.7@aar'
 }

app/proguard-project.txt

@@ -78,7 +78,8 @@
 # platform version.  We know about them, and they are safe.
 -dontwarn android.support.**
 
-# The I2P Java API bundled inside the I2P Android client library contains a
-# method that references classes in javax.naming that Android doesn't have. But
-# the method never uses those classes on Android, and is safe.
+# The I2P Java API bundled inside the I2P Android client library contains
+# references to javax.naming classes that Android doesn't have. But those
+# classes are never used on Android, and it is safe to ignore the warnings.
 -dontwarn net.i2p.crypto.CertUtil
+-dontwarn org.apache.http.conn.ssl.DefaultHostnameVerifier

app/src/main/java/acr/browser/lightning/activity/BrowserActivity.java

@@ -184,6 +184,8 @@ public class BrowserActivity extends ThemableActivity implements BrowserControll
 
 	// Helper
 	private I2PAndroidHelper mI2PHelper;
+	private boolean mI2PHelperBound;
+	private boolean mI2PProxyInitialized;
 
 	// Constant
 	private static final int API = android.os.Build.VERSION.SDK_INT;
@@ -626,7 +628,8 @@ public class BrowserActivity extends ThemableActivity implements BrowserControll
 				break;
 
 			case 2:
-				if (!mI2PHelper.isI2PAndroidRunning()) {
+				mI2PProxyInitialized = true;
+				if (mI2PHelperBound && !mI2PHelper.isI2PAndroidRunning()) {
 					mI2PHelper.requestI2PAndroidStart(this);
 				}
 				host = "localhost";
@@ -807,6 +810,7 @@ public class BrowserActivity extends ThemableActivity implements BrowserControll
 			} catch (Exception e) {
 				e.printStackTrace();
 			}
+			mI2PProxyInitialized = false;
 		}
 	}
 
@@ -1468,6 +1472,7 @@ public class BrowserActivity extends ThemableActivity implements BrowserControll
 	protected void onStop() {
 		super.onStop();
 		mI2PHelper.unbind();
+		mI2PHelperBound = false;
 	}
 
 	@Override
@@ -1484,7 +1489,14 @@ public class BrowserActivity extends ThemableActivity implements BrowserControll
 		super.onStart();
 		if (mPreferences.getProxyChoice() == 2) {
 			// Try to bind to I2P Android
-			mI2PHelper.bind();
+			mI2PHelper.bind(new I2PAndroidHelper.Callback() {
+				@Override
+				public void onI2PAndroidBound() {
+					mI2PHelperBound = true;
+					if (mI2PProxyInitialized && !mI2PHelper.isI2PAndroidRunning())
+						mI2PHelper.requestI2PAndroidStart(BrowserActivity.this);
+				}
+			});
 		}
 	}