Add files via upload

add search history

app/src/main/java/com/example/service/SearchDBHelper.java

+package com.example.service;
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+import android.util.Log;
+
+public class SearchDBHelper extends SQLiteOpenHelper{
+
+    private static final int DB_VERSION = 1;
+    private static final String DB_NAME = "SearchHistory.db";
+    public static final String TABLE_NAME = "HistorySearch";
+    //IsLocate [0:搜索 1:定位]
+    private static final String CREATE_TABLE="create table if not exists " + TABLE_NAME +
+            " (ID INTEGER PRIMARY KEY AUTOINCREMENT, SearchKey TEXT NOT NULL, Description TEXT, TimeStamp BIGINT NOT NULL, IsLocate INTEGER NOT NULL, WGS84Longitude TEXT, WGS84Latitude TEXT, BD09Longitude TEXT, BD09Latitude TEXT)";
+
+    public SearchDBHelper(Context context) {
+        super(context, DB_NAME, null, DB_VERSION);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase sqLiteDatabase) {
+        Log.d("SQL",CREATE_TABLE);sqLiteDatabase.execSQL(CREATE_TABLE);
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase sqLiteDatabase, int oldVersion, int newVersion) {
+        String sql = "DROP TABLE IF EXISTS " + TABLE_NAME;
+        sqLiteDatabase.execSQL(sql);
+        onCreate(sqLiteDatabase);
+    }
+}