###前提・実現したいこと
保存機能の実装
###発生している問題・エラーメッセージ
DBを読み込む際に
末尾のデータが
listviewに表示されない
###SqlLoad.java
package com.example.innovation.f_featnote; import android.app.Activity; import android.app.ListActivity; import android.content.Context; import android.content.Intent; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteException; import android.database.sqlite.SQLiteOpenHelper; import android.os.Bundle; import android.provider.ContactsContract; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; import com.example.innovation.f_featnote.SubOpenHelper; import com.example.innovation.f_featnote.MainActivity; import java.util.ArrayList; import java.util.Arrays; import java.util.List; /** * Created by Innovation on 2017/01/26. */ public class SqlLoad extends Activity { ListView lv; static String[][] list; static String[] Did = new String[2]; static long id_; static boolean[] flg; static String[] Data; private final int WC = ViewGroup.LayoutParams.WRAP_CONTENT; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.sql_load); // final boolean[] flg = new boolean[1]; Main(); } public void Main(){ Data = SQLDataGet(); // lv = new ListView(this); // ArrayList<String> Data = new ArrayList<>(Arrays.asList(SQLDataGet())); lv = (ListView)findViewById(R.id.sql_load_main); ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_expandable_list_item_1, Data); lv.setAdapter(adapter);//リスト表示 // setContentView(lv,new ViewGroup.LayoutParams(WC,WC)); lv.setOnItemClickListener(new AdapterView.OnItemClickListener(){ @Override public void onItemClick(AdapterView<?> parent,View view,int position,long id){ // ListView listView = (ListView) parent; // String item = (String)listView.getItemAtPosition(position); Log.d("id",""+id); id_ = id; SQLDContentGet(); SQLDataSet(); finish(); // Toast.makeText(getApplicationContext(),item + "clicked",Toast.LENGTH_LONG).show(); } }); } public String[] SQLDataGet(){ MainActivity main = new MainActivity(); Context con = this; List ls = null; SQLiteDatabase sdb = main.SQLopen(con.getApplicationContext());//MainActivity参照 final String[] columns = new String[]{"title","content","date"};//列名 String where = null;//条件 String[] Args = new String[]{""};//?の置き換え Cursor c = sdb.query("MemoContents", columns,where, null, null, null, null); int startPostion = c.getPosition(); c.moveToFirst(); Log.d("DBG",""+c.getCount()); list = new String[c.getCount()-1][columns.length]; String[] Dlist = new String[c.getCount()-1]; for (int i = 0; i< list.length; i++){ for (int j = 0; j < list[1].length; j++){ list[i][j] = c.getString(j); Log.d(i+"-"+j,list[i][j]);//デバッグ Dlist[i] = list[i][0]; } c.moveToNext(); } c.moveToPosition(startPostion); // finish(); return Dlist; } public void SQLDContentGet(){ Did[0] = list[(int)id_][0]; Did[1] = list[(int)id_][1]; } public void SQLDataSet(){ Intent data = new Intent(); Bundle bundle = new Bundle(); data.putExtra("key.data",Did); data.putExtras(bundle); setResult(RESULT_OK,data); finish(); } @Override public void finish() { super.finish(); } }
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