[Update] DB insert num, onClick

@@ -35,7 +35,9 @@ public class FirstActivity extends AppCompatActivity {
             sql = "SELECT * FROM reports WHERE date=" + getTime + ";";
             Cursor cursor = db.rawQuery(sql, null);
             if (cursor.getCount() == 0) {
-                sql = String.format("INSERT INTO reports VALUES('0','0','" + getTime + "');");
+                double dValue = Math.random();
+                int iValue = (int)(dValue * 100);
+                sql = String.format("INSERT INTO reports VALUES('" + iValue + "','0','" + getTime + "');");
                 db.execSQL(sql);
             }
         }

 package com.khuhacker.pocketgym;
 
+import android.content.Intent;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.graphics.Color;
 import android.os.Bundle;
 import android.util.Log;
+import android.view.View;
 import android.widget.TextView;
 
 
@@ -110,4 +112,10 @@ public class ReportActivity extends AppCompatActivity {
         lineChart.invalidate();
     }
 
+    public void onClick(View view) {
+        if(view.getId() == R.id.backBtn){
+            finish();
+        }
+    }
+
 }