Better handling of actionbars back

OpenKeychain/src/main/AndroidManifest.xml

@@ -232,7 +232,12 @@
         <activity
             android:name=".ui.UploadKeyActivity"
             android:configChanges="orientation|screenSize|keyboardHidden|keyboard"
-            android:label="@string/title_send_key" />
+            android:label="@string/title_send_key"
+            android:parentActivityName=".ui.ViewKeyActivity">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".ui.ViewKeyActivity" />
+        </activity>
         <activity
             android:name=".ui.PreferencesActivity"
             android:configChanges="orientation|screenSize|keyboardHidden|keyboard"
@@ -254,7 +259,12 @@
         <activity
             android:name=".ui.CertifyKeyActivity"
             android:configChanges="orientation|screenSize|keyboardHidden|keyboard"
-            android:label="@string/title_certify_key" />
+            android:label="@string/title_certify_key"
+            android:parentActivityName=".ui.ViewKeyActivity">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".ui.ViewKeyActivity" />
+        </activity>
         <activity
             android:name=".ui.ImportKeysActivity"
             android:configChanges="orientation|screenSize|keyboardHidden|keyboard"

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/helper/ActionBarHelper.java

@@ -32,25 +32,6 @@ import org.sufficientlysecure.keychain.util.Log;
 
 public class ActionBarHelper {
 
-    /**
-     * Set actionbar without home button if called from another app
-     *
-     * @param activity
-     */
-    public static void setBackButton(ActionBarActivity activity) {
-        final ActionBar actionBar = activity.getSupportActionBar();
-        Log.d(Constants.TAG, "calling package (only set when using startActivityForResult)="
-                + activity.getCallingPackage());
-        if (activity.getCallingPackage() != null
-                && activity.getCallingPackage().equals(Constants.PACKAGE_NAME)) {
-            actionBar.setDisplayHomeAsUpEnabled(true);
-            actionBar.setHomeButtonEnabled(true);
-        } else {
-            actionBar.setDisplayHomeAsUpEnabled(false);
-            actionBar.setHomeButtonEnabled(false);
-        }
-    }
-
     /**
      * Sets custom view on ActionBar for Done/Cancel activities
      *

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CertifyKeyActivity.java

@@ -26,10 +26,12 @@ import android.os.Handler;
 import android.os.Message;
 import android.os.Messenger;
 import android.support.v4.app.LoaderManager;
+import android.support.v4.app.NavUtils;
 import android.support.v4.content.CursorLoader;
 import android.support.v4.content.Loader;
 import android.support.v7.app.ActionBar;
 import android.support.v7.app.ActionBarActivity;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.ArrayAdapter;
@@ -88,11 +90,6 @@ public class CertifyKeyActivity extends ActionBarActivity implements
 
         setContentView(R.layout.certify_key_activity);
 
-        final ActionBar actionBar = getSupportActionBar();
-        actionBar.setDisplayShowTitleEnabled(true);
-        actionBar.setDisplayHomeAsUpEnabled(false);
-        actionBar.setHomeButtonEnabled(false);
-
         mSelectKeyFragment = (SelectSecretKeyLayoutFragment) getSupportFragmentManager()
                 .findFragmentById(R.id.sign_key_select_key_fragment);
         mSelectKeyFragment.setCallback(this);
@@ -101,7 +98,8 @@ public class CertifyKeyActivity extends ActionBarActivity implements
         mSelectKeyserverSpinner = (Spinner) findViewById(R.id.sign_key_keyserver);
         ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
                 android.R.layout.simple_spinner_item, Preferences.getPreferences(this)
-                .getKeyServers());
+                .getKeyServers()
+        );
         adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
         mSelectKeyserverSpinner.setAdapter(adapter);
 
@@ -258,7 +256,8 @@ public class CertifyKeyActivity extends ActionBarActivity implements
                                         startSigning();
                                     }
                                 }
-                            });
+                            }
+                    );
                     // bail out; need to wait until the user has entered the passphrase before trying again
                     return;
                 } else {
@@ -392,4 +391,17 @@ public class CertifyKeyActivity extends ActionBarActivity implements
     public void onKeySelected(long secretKeyId) {
         mMasterKeyId = secretKeyId;
     }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home: {
+                Intent viewIntent = NavUtils.getParentActivityIntent(this);
+                viewIntent.setData(KeyRings.buildGenericKeyRingUri(mDataUri));
+                NavUtils.navigateUpTo(this, viewIntent);
+                return true;
+            }
+        }
+        return super.onOptionsItemSelected(item);
+    }
 }

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptActivity.java

@@ -27,7 +27,6 @@ import android.widget.Toast;
 
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
-import org.sufficientlysecure.keychain.helper.ActionBarHelper;
 import org.sufficientlysecure.keychain.helper.FileHelper;
 import org.sufficientlysecure.keychain.pgp.PgpHelper;
 import org.sufficientlysecure.keychain.ui.adapter.PagerTabStripAdapter;
@@ -68,9 +67,6 @@ public class DecryptActivity extends DrawerActivity {
 
         setContentView(R.layout.decrypt_activity);
 
-        // set actionbar without home button if called from another app
-        ActionBarHelper.setBackButton(this);
-
         initView();
 
         setupDrawerNavigation(savedInstanceState);

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptActivity.java

@@ -27,7 +27,6 @@ import android.widget.Toast;
 
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
-import org.sufficientlysecure.keychain.helper.ActionBarHelper;
 import org.sufficientlysecure.keychain.helper.FileHelper;
 import org.sufficientlysecure.keychain.ui.adapter.PagerTabStripAdapter;
 import org.sufficientlysecure.keychain.util.Log;
@@ -145,26 +144,28 @@ public class EncryptActivity extends DrawerActivity implements
 
         setContentView(R.layout.encrypt_activity);
 
-        // set actionbar without home button if called from another app
-        ActionBarHelper.setBackButton(this);
-
         initView();
 
-        setupDrawerNavigation(savedInstanceState);
+        // if called with an intent action, do not init drawer navigation
+        if (ACTION_ENCRYPT.equals(getIntent().getAction())) {
+            // TODO: back button to key?
+        } else {
+            setupDrawerNavigation(savedInstanceState);
+        }
 
         // Handle intent actions
         handleActions(getIntent());
 
         mTabsAdapterMode.addTab(EncryptAsymmetricFragment.class,
-            mAsymmetricFragmentBundle, getString(R.string.label_asymmetric));
+                mAsymmetricFragmentBundle, getString(R.string.label_asymmetric));
         mTabsAdapterMode.addTab(EncryptSymmetricFragment.class,
-            mSymmetricFragmentBundle, getString(R.string.label_symmetric));
+                mSymmetricFragmentBundle, getString(R.string.label_symmetric));
         mViewPagerMode.setCurrentItem(mSwitchToMode);
 
         mTabsAdapterContent.addTab(EncryptMessageFragment.class,
-            mMessageFragmentBundle, getString(R.string.label_message));
+                mMessageFragmentBundle, getString(R.string.label_message));
         mTabsAdapterContent.addTab(EncryptFileFragment.class,
-            mFileFragmentBundle, getString(R.string.label_file));
+                mFileFragmentBundle, getString(R.string.label_file));
         mViewPagerContent.setCurrentItem(mSwitchToContent);
     }
 
@@ -217,9 +218,9 @@ public class EncryptActivity extends DrawerActivity implements
 
         // preselect keys given by intent
         mAsymmetricFragmentBundle.putLongArray(EncryptAsymmetricFragment.ARG_ENCRYPTION_KEY_IDS,
-            encryptionKeyIds);
+                encryptionKeyIds);
         mAsymmetricFragmentBundle.putLong(EncryptAsymmetricFragment.ARG_SIGNATURE_KEY_ID,
-            signatureKeyId);
+                signatureKeyId);
         mSwitchToMode = PAGER_MODE_ASYMMETRIC;
 
         /**
@@ -241,9 +242,10 @@ public class EncryptActivity extends DrawerActivity implements
             } else {
                 Log.e(Constants.TAG,
                         "Direct binary data without actual file in filesystem is not supported " +
-                        "by Intents. Please use the Remote Service API!");
+                                "by Intents. Please use the Remote Service API!"
-                Toast.makeText(this, R.string.error_only_files_are_supported, Toast.LENGTH_LONG)
+                );
-                        .show();
+                Toast.makeText(this, R.string.error_only_files_are_supported,
+                        Toast.LENGTH_LONG).show();
                 // end activity
                 finish();
             }

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ImportKeysActivity.java

@@ -43,7 +43,6 @@ import com.devspark.appmsg.AppMsg;
 
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
-import org.sufficientlysecure.keychain.helper.ActionBarHelper;
 import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
 import org.sufficientlysecure.keychain.service.KeychainIntentService;
 import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler;
@@ -125,7 +124,6 @@ public class ImportKeysActivity extends ActionBarActivity implements ActionBar.O
         if (ACTION_IMPORT_KEY_FROM_KEYSERVER_AND_RETURN.equals(getIntent().getAction())) {
             setTitle(R.string.nav_import);
         } else {
-            ActionBarHelper.setBackButton(this);
             getSupportActionBar().setDisplayShowTitleEnabled(false);
 
             // set drop down navigation

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/UploadKeyActivity.java

@@ -23,7 +23,9 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.os.Message;
 import android.os.Messenger;
+import android.support.v4.app.NavUtils;
 import android.support.v7.app.ActionBarActivity;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.ArrayAdapter;
@@ -129,4 +131,17 @@ public class UploadKeyActivity extends ActionBarActivity {
         // start service with intent
         startService(intent);
     }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home: {
+                Intent viewIntent = NavUtils.getParentActivityIntent(this);
+                viewIntent.setData(KeychainContract.KeyRings.buildGenericKeyRingUri(mDataUri));
+                NavUtils.navigateUpTo(this, viewIntent);
+                return true;
+            }
+        }
+        return super.onOptionsItemSelected(item);
+    }
 }

OpenKeychain/src/main/res/layout/view_cert_activity.xml

@@ -42,7 +42,7 @@
             android:text="@string/section_cert" />
 
         <TableLayout
-            android:layout_width="wrap_content"
+            android:layout_width="match_parent"
             android:layout_height="0dp"
             android:layout_marginLeft="8dp"
             android:layout_weight="1"
@@ -163,7 +163,7 @@
             android:text="@string/section_certifier_id" />
 
         <TableLayout
-            android:layout_width="wrap_content"
+            android:layout_width="match_parent"
             android:layout_height="0dp"
             android:layout_marginLeft="8dp"
             android:layout_marginBottom="4dp"
@@ -193,7 +193,7 @@
                     android:id="@+id/label_algorithm"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
-                    android:layout_gravity="center_vertical"
+                    android:layout_gravity="top"
                     android:paddingRight="10dip"
                     android:text="@string/label_user_id" />