package jp.javadrive.android; import android.app.Activity; import android.os.Bundle; import android.widget.LinearLayout; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.view.View.OnClickListener; import android.content.Context; import android.database.sqlite.SQLiteDatabase; import java.io.FileNotFoundException; import android.app.AlertDialog; public class Test02_01 extends Activity implements OnClickListener{ private final int FP = ViewGroup.LayoutParams.FILL_PARENT; private final int WC = ViewGroup.LayoutParams.WRAP_CONTENT; private Button button1; private Button button2; private SQLiteDatabase db; private int DB_VERSION = 1; private int DB_MODE = Context.MODE_PRIVATE; @Override protected void onCreate(Bundle icicle) { super.onCreate(icicle); db = null; LinearLayout linearLayout = new LinearLayout(this); linearLayout.setOrientation(LinearLayout.HORIZONTAL); setContentView(linearLayout); button1 = new Button(this); button1.setText("Create Database"); button1.setOnClickListener(this); linearLayout.addView(button1, createParam(WC, WC)); button2 = new Button(this); button2.setText("Open Database"); button2.setOnClickListener(this); linearLayout.addView(button2, createParam(WC, WC)); } private LinearLayout.LayoutParams createParam(int w, int h){ return new LinearLayout.LayoutParams(w, h); } public void onClick(View v) { if (v == button1){ try { db = createDatabase("db02_01", DB_VERSION, DB_MODE, null); } catch (FileNotFoundException e) { db = null; } if (db != null){ dispMsg("create database", "Success Create DB"); }else{ dispMsg("create database", "Error Create DB"); } }else if (v == button2){ try { db = openDatabase("db02_01", null); } catch (FileNotFoundException e) { db = null; } if (db != null){ dispMsg("open database", "Success Open DB"); }else{ dispMsg("open database", "Error Open DB"); } } } private void dispMsg(String title, String msg){ AlertDialog.show(Test02_01.this, title, msg, "ok", false); } }