如何解决如何将自动递增的列ID传递到android方法中的另一个表中
我很难理解logcat中描述的代码问题。我认为这可能与createPlan方法中的id变量有关，该变量需要来自由createPlanRecipe方法的自动增量创建的id，但不确定如何实现。我认为我已经检查了一百次格式化，但数据库没有任何问题，但是可以根据需要在此处添加。预先感谢。
活动
public class CreateMealPlan extends MainActivity {
DatePicker datepicker;
Button submit;
List<com.stu54259.plan2cook.Model.Category> listRecipe = new ArrayList<>();
Cursor c;
RecyclerView recipeList;
Recipelistadapter adapterRecipe;
String recipe_name;
EditText editPlanName;
Integer id;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.create_meal_plan);
BottomNavigationView navigation = (BottomNavigationView) findViewById(R.id.navigation);
navigation.setonNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() {
@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
switch (item.getItemId()) {
case R.id.home:
Intent a = new Intent(CreateMealPlan.this,MainActivity.class);
startActivity(a);
break;
case R.id.recipes:
Intent b = new Intent(CreateMealPlan.this,RecipeSearch.class);
startActivity(b);
break;
/*case R.id.shoppingList:
Intent c = new Intent(CreateMealPlan.this,ShoppingList.class);
startActivity(c);
break;*/
case R.id.mealPlan:
Intent d = new Intent(CreateMealPlan.this,MenuPlan.class);
startActivity(d);
break;
/*case R.id.reminder:
Intent e = new Intent(CreateMealPlan.this,Reminder.class);
startActivity(e);
break*/
}
return false;
}
});
datepicker = findViewById(R.id.calendarView);
ListRecipes();
Recipelistadapter.OnRecipeClickListener listener = new Recipelistadapter.OnRecipeClickListener() {
public void onRecipeClicked(int position,String recName) {
Log.d("Recipe selected",recName);
recipe_name = recName;
}
};
adapterRecipe = new Recipelistadapter(this,listRecipe,listener);
recipeList = findViewById(R.id.recipes);
RecyclerView.LayoutManager mLayoutManager = new linearlayoutmanager(this,linearlayoutmanager.VERTICAL,false);
recipeList.setLayoutManager(mLayoutManager);
recipeList.setItemAnimator(new DefaultItemAnimator());
recipeList.setAdapter(adapterRecipe);
submit = (Button) findViewById(R.id.create);
// perform click event on submit button
submit.setonClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
CreatePlan();
}
});
}
public void ListRecipes() {
listRecipe.clear();
sqliteDatabase db = (new DatabaseManager(this).getWritableDatabase());
String selectQuery = " SELECT recipe_name,image,image2,category" + " FROM " + DatabaseManager.TABLE_RECIPE + " GROUP BY recipe_name";
c = db.rawQuery(selectQuery,null);
Log.d("Query",selectQuery);
if (c.movetoFirst()) {
do {
com.stu54259.plan2cook.Model.Category category = new com.stu54259.plan2cook.Model.Category();
category.setRecipe_name(c.getString(c.getColumnIndex("recipe_name")));
category.setimage(c.getInt(c.getColumnIndex("image")));
category.setimage2(c.getString(c.getColumnIndex("image2")));
category.setCategory_name(c.getString(c.getColumnIndex("category")));
listRecipe.add(category);
} while (c.movetoNext());
c.close();
}
}
public void CreatePlan(){
editPlanName = findViewById(R.id.editPlanName);
String plan_name = editPlanName.getText().toString();
DatabaseManager db;
int day = datepicker.getDayOfMonth();
int month = datepicker.getMonth();
int year = datepicker.getYear();
SimpleDateFormat sdf = new SimpleDateFormat("EEEE");
Integer d_name = day;
Log.d("Date",String.valueOf(d_name));
String dayOfTheWeek = sdf.format(d_name);
String date = day + "/" + month + "/" +year;
db = new DatabaseManager(getApplicationContext());
Log.d("Recipe name",recipe_name);
db.createPlanRecipe(d_name,dayOfTheWeek,recipe_name);
db.createPlan(plan_name,id);
}
}
Logcat
2020-09-30 18:03:22.849 17307-17307/com.stu54259.plan2cook E/sqliteLog: (1) table MEAL_PLAN has no
column named plan_recipe
2020-09-30 18:03:22.850 17307-17307/com.stu54259.plan2cook D/AndroidRuntime: Shutting down VM
2020-09-30 18:03:22.854 17307-17307/com.stu54259.plan2cook E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.stu54259.plan2cook,PID: 17307
android.database.sqlite.sqliteException: table MEAL_PLAN has no column named plan_recipe (code 1 sqlITE_ERROR[1]):,while compiling: INSERT INTO MEAL_PLAN(plan_name,plan_recipe) values ( 'Plan Name','null')
at android.database.sqlite.sqliteConnection.nativePrepareStatement(Native Method)
at android.database.sqlite.sqliteConnection.acquirePreparedStatement(sqliteConnection.java:1372)
at android.database.sqlite.sqliteConnection.prepare(sqliteConnection.java:811)
at android.database.sqlite.sqliteSession.prepare(sqliteSession.java:590)
at android.database.sqlite.sqliteProgram.<init>(sqliteProgram.java:62)
at android.database.sqlite.sqliteStatement.<init>(sqliteStatement.java:33)
at android.database.sqlite.sqliteDatabase.executesql(sqliteDatabase.java:2329)
at android.database.sqlite.sqliteDatabase.execsql(sqliteDatabase.java:2257)
at com.stu54259.plan2cook.database.DatabaseManager.createPlan(DatabaseManager.java:681)
at com.stu54259.plan2cook.CreateMealPlan.CreatePlan(CreateMealPlan.java:135)
at com.stu54259.plan2cook.CreateMealPlan$3.onClick(CreateMealPlan.java:95)
at android.view.View.performClick(View.java:7862)
at android.widget.TextView.performClick(TextView.java:15004)
at com.google.android.material.button.MaterialButton.performClick(MaterialButton.java:992)
at android.view.View.performClickInternal(View.java:7831)
at android.view.View.access$3600(View.java:879)
at android.view.View$PerformClick.run(View.java:29359)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loop(Looper.java:237)
at android.app.ActivityThread.main(ActivityThread.java:8167)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:496)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1100)
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