Extend single line summary preference to multi line.

also updated some strings char limit.

Change-Id: Ie068ecc410bb8211b4cd5e32a5539c824c48040f
Fix: 36413664
Fix: 62079108
Test: make RunSettingsRoboTests

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

@@ -0,0 +1,80 @@
+/*
+ * 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.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 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;
+
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class FixedLineSummaryPreferenceTest {
+
+    @Mock
+    private TextView mSummary;
+
+    private Context mContext;
+    private PreferenceViewHolder mHolder;
+    private FixedLineSummaryPreference mPreference;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = RuntimeEnvironment.application;
+        mPreference = new FixedLineSummaryPreference(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);
+
+        verify(mSummary).setMinLines(1);
+        verify(mSummary).setMaxLines(1);
+    }
+
+    @Test
+    public void onBindViewHolder_TwoLineSummary_shouldSetTwoLines() {
+        mPreference.setSummaryLineCount(2);
+        mPreference.onBindViewHolder(mHolder);
+
+        verify(mSummary).setMinLines(2);
+        verify(mSummary).setMaxLines(2);
+    }
+}