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Add CMSettingsProvider and CMDatabaseHelper
issue-id: CYNGNOS-828 Change-Id: I01c08c0e432d6a941950a565e5ab6664664e2a7f
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Yvonne Wong
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Aug 31, 2015
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| Original file line number | Diff line number | Diff line change |
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| # | ||
| # Copyright (C) 2015 The CyanogenMod 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. | ||
| # | ||
| LOCAL_PATH:= $(call my-dir) | ||
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| include $(CLEAR_VARS) | ||
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| src_dir := src | ||
| res_dir := res | ||
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| LOCAL_SRC_FILES := $(call all-java-files-under, $(src_dir)) | ||
| LOCAL_RESOURCE_DIR := $(addprefix $(LOCAL_PATH)/, $(res_dirs)) | ||
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| LOCAL_PACKAGE_NAME := CMSettingsProvider | ||
| LOCAL_CERTIFICATE := platform | ||
| LOCAL_PRIVILEGED_MODULE := true | ||
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| LOCAL_JAVA_LIBRARIES := \ | ||
| org.cyanogenmod.platform.sdk | ||
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| include $(BUILD_PACKAGE) | ||
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| ######################## | ||
| include $(call all-makefiles-under,$(LOCAL_PATH)) |
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| <?xml version="1.0" encoding="utf-8"?> | ||
| <!-- Copyright (C) 2015 The CyanogenMod 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. | ||
| --> | ||
| <manifest xmlns:android="http://schemas.android.com/apk/res/android" | ||
| package="org.cyanogenmod.cmsettings" | ||
| coreApp="true" | ||
| android:sharedUserId="android.uid.system"> | ||
| <!-- It is necessary to be a system app in order to update table versions in SystemProperties for | ||
| CMSettings to know whether or not the client side cache is up to date. It is also necessary | ||
| to run in the system process in order to start the content provider prior to running migration | ||
| for CM settings on user starting --> | ||
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| <uses-permission android:name="android.permission.MANAGE_USERS" /> | ||
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| <application android:icon="@drawable/icon" | ||
| android:label="@string/app_name" | ||
| android:process="system" | ||
| android:killAfterRestore="false" | ||
| android:allowClearUserData="false" | ||
| android:enabled="true"> | ||
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| <provider android:name="CMSettingsProvider" android:authorities="cmsettings" | ||
| android:multiprocess="false" | ||
| android:exported="true" | ||
| android:writePermission="cyanogenmod.permission.WRITE_SETTINGS" | ||
| android:singleUser="true" | ||
| android:initOrder="100" /> | ||
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| </application> | ||
| </manifest> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <!-- | ||
| Copyright (C) 2014-2015 The CyanogenMod 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. | ||
| --> | ||
| <resources> | ||
| <string name="app_name">CMSettingsProvider</string> | ||
| </resources> |
126 changes: 126 additions & 0 deletions
126
packages/CMSettingsProvider/src/org/cyanogenmod/cmsettings/CMDatabaseHelper.java
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| /** | ||
| * Copyright (c) 2015, The CyanogenMod 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. | ||
| */ | ||
|
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| package org.cyanogenmod.cmsettings; | ||
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| import android.content.Context; | ||
| import android.database.sqlite.SQLiteDatabase; | ||
| import android.database.sqlite.SQLiteOpenHelper; | ||
| import android.os.Environment; | ||
| import android.os.UserHandle; | ||
| import android.util.Log; | ||
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| import java.io.File; | ||
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| /** | ||
| * The CMDatabaseHelper allows creation of a database to store CM specific settings for a user | ||
| * in System, Secure, and Global tables. | ||
| */ | ||
| public class CMDatabaseHelper extends SQLiteOpenHelper{ | ||
| private static final String TAG = "CMDatabaseHelper"; | ||
| private static final boolean LOCAL_LOGV = false; | ||
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| private static final String DATABASE_NAME = "cmsettings.db"; | ||
| private static final int DATABASE_VERSION = 1; | ||
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| static class CMTableNames { | ||
| static final String TABLE_SYSTEM = "system"; | ||
| static final String TABLE_SECURE = "secure"; | ||
| static final String TABLE_GLOBAL = "global"; | ||
| } | ||
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| private static final String CREATE_TABLE_SQL_FORMAT = "CREATE TABLE %s (" + | ||
| "_id INTEGER PRIMARY KEY AUTOINCREMENT," + | ||
| "name TEXT UNIQUE ON CONFLICT REPLACE," + | ||
| "value TEXT" + | ||
| ");)"; | ||
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| private static final String CREATE_INDEX_SQL_FORMAT = "CREATE INDEX %sIndex%d ON %s (name);"; | ||
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| private int mUserHandle; | ||
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| /** | ||
| * Gets the appropriate database path for a specific user | ||
| * @param userId The database path for this user | ||
| * @return The database path string | ||
| */ | ||
| static String dbNameForUser(final int userId) { | ||
| // The owner gets the unadorned db name; | ||
| if (userId == UserHandle.USER_OWNER) { | ||
| return DATABASE_NAME; | ||
| } else { | ||
| // Place the database in the user-specific data tree so that it's | ||
| // cleaned up automatically when the user is deleted. | ||
| File databaseFile = new File( | ||
| Environment.getUserSystemDirectory(userId), DATABASE_NAME); | ||
| return databaseFile.getPath(); | ||
| } | ||
| } | ||
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| /** | ||
| * Creates an instance of {@link CMDatabaseHelper} | ||
| * @param context | ||
| * @param userId | ||
| */ | ||
| public CMDatabaseHelper(Context context, int userId) { | ||
| super(context, dbNameForUser(userId), null, DATABASE_VERSION); | ||
| mUserHandle = userId; | ||
| } | ||
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| /** | ||
| * Creates System, Secure, and Global tables in the specified {@link SQLiteDatabase} | ||
| * @param db The database. | ||
| */ | ||
| @Override | ||
| public void onCreate(SQLiteDatabase db) { | ||
| db.beginTransaction(); | ||
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| try { | ||
| createDbTable(db, CMTableNames.TABLE_SYSTEM); | ||
| createDbTable(db, CMTableNames.TABLE_SECURE); | ||
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| if (mUserHandle == UserHandle.USER_OWNER) { | ||
| createDbTable(db, CMTableNames.TABLE_GLOBAL); | ||
| } | ||
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| db.setTransactionSuccessful(); | ||
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| if (LOCAL_LOGV) Log.v(TAG, "Successfully created tables for cm settings db"); | ||
| } finally { | ||
| db.endTransaction(); | ||
| } | ||
| } | ||
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| /** | ||
| * Creates a table and index for the specified database and table name | ||
| * @param db | ||
| * @param tableName | ||
| */ | ||
| private void createDbTable(SQLiteDatabase db, String tableName) { | ||
| if (LOCAL_LOGV) Log.v(TAG, "Creating table and index for: " + tableName); | ||
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| String createTableSql = String.format(CREATE_TABLE_SQL_FORMAT, tableName); | ||
| db.execSQL(createTableSql); | ||
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| String createIndexSql = String.format(CREATE_INDEX_SQL_FORMAT, tableName, 1, tableName); | ||
| db.execSQL(createIndexSql); | ||
| } | ||
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| @Override | ||
| public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { | ||
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| } | ||
| } |
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