Merge "Limit the summary text for App info->Permissions to one line."

res/xml/installed_app_details_ia.xml

@@ -40,7 +40,7 @@
         android:title="@string/notifications_label"
         android:selectable="true"/>
 
-    <Preference
+    <com.android.settings.widget.SingleLineSummaryPreference
         android:key="permission_settings"
         android:title="@string/permissions_label"
         android:summary="@string/summary_placeholder"

src/com/android/settings/widget/SingleLineSummaryPreference.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * 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 com.android.settings.widget;
+
+import android.content.Context;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceViewHolder;
+import android.text.TextUtils.TruncateAt;
+import android.util.AttributeSet;
+import android.widget.TextView;
+
+/**
+ * A preference whose summary text will only span one single line.
+ */
+public class SingleLineSummaryPreference extends Preference {
+
+    public SingleLineSummaryPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    public void onBindViewHolder(PreferenceViewHolder holder) {
+        super.onBindViewHolder(holder);
+        TextView summary = (TextView) holder.findViewById(android.R.id.summary);
+        if (summary != null) {
+            summary.setSingleLine();
+            summary.setEllipsize(TruncateAt.END);
+        }
+    }
+}

tests/robotests/src/com/android/settings/widget/SingleLineSummaryPreferenceTest.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * 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 com.android.settings.widget;
+
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.support.v7.preference.PreferenceViewHolder;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.widget.SingleLineSummaryPreference;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class SingleLineSummaryPreferenceTest {
+
+    @Mock private TextView mSummary;
+
+    private Context mContext;
+    private PreferenceViewHolder mHolder;
+    private SingleLineSummaryPreference mPreference;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = RuntimeEnvironment.application;
+        mPreference = new SingleLineSummaryPreference(mContext, null);
+        LayoutInflater inflater = LayoutInflater.from(mContext);
+        final View view = inflater.inflate(mPreference.getLayoutResource(),
+            new LinearLayout(mContext), false);
+        mHolder = spy(PreferenceViewHolder.createInstanceForTests(view));
+        when(mHolder.findViewById(android.R.id.summary)).thenReturn(mSummary);
+    }
+
+    @Test
+    public void onBindViewHolder_shouldSetSingleLine() {
+        mPreference.onBindViewHolder(mHolder);
+        final TextView summary = (TextView) mHolder.findViewById(android.R.id.summary);
+
+        verify(mSummary).setSingleLine();
+    }
+}