Added progress bar on list items while moving certificate.

app/app.iml

@@ -58,6 +58,7 @@
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/rs" isTestSource="true" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates" />
       <excludeFolder url="file://$MODULE_DIR$/build/outputs" />
+      <excludeFolder url="file://$MODULE_DIR$/build/tmp" />
     </content>
     <orderEntry type="jdk" jdkName="Android API 19 Platform" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />

app/src/main/java/com/nutomic/zertman/CertificateAdapter.java

@@ -8,6 +8,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
 import android.widget.Button;
+import android.widget.ProgressBar;
 import android.widget.TextView;
 
 import java.util.List;
@@ -37,16 +38,25 @@ public class CertificateAdapter extends ArrayAdapter<Certificate> implements
 			convertView = inflater.inflate(R.layout.certificate_list_item, parent, false);
 		}
 
+		TextView title = (TextView) convertView.findViewById(R.id.title);
+		Button button = (Button) convertView.findViewById(R.id.button);
+		ProgressBar loading = (ProgressBar) convertView.findViewById(R.id.loading);
+		TextView summary = (TextView) convertView.findViewById(R.id.summary);
+
+		button.setVisibility(View.VISIBLE);
+		loading.setVisibility(View.INVISIBLE);
+
 		final Certificate cert = getItem(position);
 		// NOTE: This should be called asynchronously.
 		Pair<String, String> desc = CertificateManager.getDescription(cert);
-		TextView title = (TextView) convertView.findViewById(R.id.title);
 		title.setText(desc.first);
-		TextView summary = (TextView) convertView.findViewById(R.id.summary);
 		summary.setText(desc.second);
-		Button button = (Button) convertView.findViewById(R.id.button);
+		int colorRes = android.R.color.primary_text_light;
-		int colorRes;
+		if (mCertificateManager.isMovingCertificate(cert)) {
-		if (cert.isSystemCertificate()) {
+			button.setVisibility(View.INVISIBLE);
+			loading.setVisibility(View.VISIBLE);
+		}
+		else if (cert.isSystemCertificate()) {
 			button.setText(R.string.delete);
 			button.setOnClickListener(new View.OnClickListener() {
 				@Override

app/src/main/java/com/nutomic/zertman/CertificateManager.java

@@ -13,6 +13,7 @@ import java.security.cert.CertificateException;
 import java.security.cert.CertificateFactory;
 import java.security.cert.X509Certificate;
 import java.util.ArrayList;
+import java.util.LinkedList;
 import java.util.List;
 
 import eu.chainfire.libsuperuser.Shell;
@@ -40,6 +41,11 @@ public class CertificateManager {
 		ReadWrite
 	}
 
+	/**
+	 * Contains all certificates that are currently being moved from user to system storage.
+	 */
+	private LinkedList<Certificate> mCurrentlyMoving = new LinkedList<Certificate>();
+
 	private OnCertificateChangedListener mOnCertificateChangedListener;
 
 	public void setOnCertificateChangedListener(OnCertificateChangedListener listener) {
@@ -68,6 +74,10 @@ public class CertificateManager {
 	 * @return The updated certificate (located in system storage).
 	 */
 	public Certificate moveCertificateToSystem(Certificate certificate) {
+		mCurrentlyMoving.add(certificate);
+		if (mOnCertificateChangedListener != null) {
+			mOnCertificateChangedListener.onCertificateChanged();
+		}
 		remountSystem(Mode.ReadWrite);
 		// NOTE: Using mv gives error: "failed on *file* - Cross-device link".
 		run("cp " + USER_CERTIFICATES_DIR + "/" + certificate.getFile().getName() +
@@ -75,6 +85,7 @@ public class CertificateManager {
 		run("chmod 644 " + SYSTEM_CERTIFICATES_DIR + "/" + certificate.getFile().getName());
 		remountSystem(Mode.ReadOnly);
 		deleteCertificate(certificate);
+		mCurrentlyMoving.remove(certificate);
 		Certificate newCert = new Certificate(certificate.getFile().getName(), true);
 		if (mOnCertificateChangedListener != null) {
 			mOnCertificateChangedListener.onCertificateChanged();
@@ -171,4 +182,8 @@ public class CertificateManager {
 		return new Pair<String, String>(primary, secondary);
 	}
 
+	public boolean isMovingCertificate(Certificate cert) {
+		return mCurrentlyMoving.contains(cert);
+	}
+
 }

app/src/main/res/layout/certificate_list_item.xml

@@ -23,6 +23,13 @@
 		android:layout_alignParentRight="true"
 		style="?android:attr/buttonStyleSmall" />
 
+	<ProgressBar
+		android:id="@+id/loading"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_alignTop="@id/title"
+		android:layout_alignParentRight="true" />
+
 	<TextView
 		android:id="@+id/summary"
 		android:layout_width="match_parent"