Add permission self check

microg-ui-tools/src/main/java/org/microg/tools/selfcheck/PermissionCheckGroup.java

@@ -0,0 +1,76 @@
+/*
+ * Copyright 2013-2016 microG Project Team
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.microg.tools.selfcheck;
+
+import android.annotation.TargetApi;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.content.pm.PermissionGroupInfo;
+import android.content.pm.PermissionInfo;
+import android.support.v4.app.Fragment;
+import android.util.Log;
+
+import org.microg.tools.ui.R;
+
+import static android.os.Build.VERSION_CODES.M;
+import static org.microg.tools.selfcheck.SelfCheckGroup.Result.Negative;
+import static org.microg.tools.selfcheck.SelfCheckGroup.Result.Positive;
+
+@TargetApi(M)
+public class PermissionCheckGroup implements SelfCheckGroup {
+    private static final String TAG = "SelfCheckPerms";
+
+    private String[] permissions;
+
+    public PermissionCheckGroup(String... permissions) {
+        this.permissions = permissions;
+    }
+
+    @Override
+    public String getGroupName(Context context) {
+        return context.getString(R.string.self_check_cat_permissions);
+    }
+
+    @Override
+    public void doChecks(Context context, ResultCollector collector) {
+        for (String permission : permissions) {
+            doPermissionCheck(context, collector, permission);
+        }
+    }
+
+    private void doPermissionCheck(Context context, ResultCollector collector, final String permission) {
+        PackageManager pm = context.getPackageManager();
+        try {
+            PermissionInfo info = pm.getPermissionInfo(permission, 0);
+            PermissionGroupInfo groupInfo = info.group != null ? pm.getPermissionGroupInfo(info.group, 0) : null;
+            CharSequence permLabel = info.loadLabel(pm);
+            CharSequence groupLabel = groupInfo != null ? groupInfo.loadLabel(pm) : permLabel;
+            collector.addResult(context.getString(R.string.self_check_name_permission, permLabel),
+                    context.checkSelfPermission(permission) == PackageManager.PERMISSION_GRANTED ? Positive : Negative,
+                    context.getString(R.string.self_check_resolution_permission, groupLabel),
+                    new SelfCheckGroup.CheckResolver() {
+
+                        @Override
+                        public void tryResolve(Fragment fragment) {
+                            fragment.requestPermissions(new String[]{permission}, 0);
+                        }
+                    });
+        } catch (PackageManager.NameNotFoundException e) {
+            Log.w(TAG, e);
+        }
+    }
+}

microg-ui-tools/src/main/res/layout/about_root.xml

@@ -65,7 +65,7 @@
         android:paddingRight="?attr/listPreferredItemPaddingRight"
         android:paddingTop="16dip"
         android:textAppearance="@style/TextAppearance.AppCompat.Body2"
-        android:text="@+id/about_root_libraries"
+        android:text="@string/about_root_libraries"
         android:textColor="?attr/colorAccent"/>
 
     <ListView

microg-ui-tools/src/main/res/values-sr/strings.xml

@@ -20,4 +20,8 @@
 
   <string name="self_check_title">микроГ самопровера</string>
   <string name="self_check_desc">Провера исправности подешавања система за коришћење микроГ услуга.</string>
+
+  <string name="self_check_cat_permissions">Дозволе одобрене</string>
+  <string name="self_check_name_permission">Дозволе за %1$s:</string>
+  <string name="self_check_resolution_permission">Тапните овде да одобрите дозволе за %1$s. Не одобравање дозвола може да резултира чудним понашањем апликација.</string>
 </resources>

microg-ui-tools/src/main/res/values/strings.xml

@@ -28,6 +28,10 @@
     <string name="self_check_title">Self-Check</string>
     <string name="self_check_desc">Check if the system is correctly set up to use microG.</string>
 
+    <string name="self_check_cat_permissions">Permissions granted</string>
+    <string name="self_check_name_permission">Permission to %1$s:</string>
+    <string name="self_check_resolution_permission">Touch here to grant permission to %1$s. Not granting the permission can result in misbehaving applications.</string>
+
     <string name="about_root_title">microG UI Demo</string>
     <string name="about_root_summary">Summary</string>
     <string name="about_root_version">Version v0.1.0</string>