Show more settings and add restrictions/dialogs for secondary users

Bug: 7213029 crash in About>Status
Bug: 7212495 hide System updates for second user
Bug: 7212230 nickname editor should select the text
Bug: 7160487 TTS settings
Bug: 7129411 Settings needs visibility changes for secondary users

Change-Id: Ia2d1229c08b392edfa6b671fce4a382410405b14

src/com/android/settings/SelectableEditTextPreference.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2012 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;
+
+import android.content.Context;
+import android.preference.EditTextPreference;
+import android.preference.ListPreference;
+import android.text.TextUtils;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.EditText;
+
+public class SelectableEditTextPreference extends EditTextPreference {
+
+    private int mSelectionMode;
+
+    public static final int SELECTION_CURSOR_END   = 0;
+    public static final int SELECTION_CURSOR_START = 1;
+    public static final int SELECTION_SELECT_ALL   = 2;
+
+    public SelectableEditTextPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    /**
+     * Sets the selection mode for the text when it shows up in the dialog
+     * @hide
+     * @param selectionMode can be SELECTION_CURSOR_START, SELECTION_CURSOR_END or
+     * SELECTION_SELECT_ALL. Default is SELECTION_CURSOR_END
+     */
+    public void setInitialSelectionMode(int selectionMode) {
+        mSelectionMode = selectionMode;
+    }
+
+    @Override
+    protected void onBindDialogView(View view) {
+        super.onBindDialogView(view);
+
+        EditText editText = getEditText();
+        // Set the selection based on the mSelectionMode
+        int length = editText.getText() != null ? editText.getText().length() : 0;
+        if (!TextUtils.isEmpty(editText.getText())) {
+            switch (mSelectionMode) {
+            case SELECTION_CURSOR_END:
+                editText.setSelection(length);
+                break;
+            case SELECTION_CURSOR_START:
+                editText.setSelection(0);
+                break;
+            case SELECTION_SELECT_ALL:
+                editText.setSelection(0, length);
+                break;
+            }
+        }
+    }
+}
+