java 安卓 sqlite数据库,android sqlite数据库操作

【实例简介】

【实例截图】

【核心代码】

package com.example.datastorage;

import android.app.Activity;

import android.app.AlertDialog;

import android.content.DialogInterface;

import android.content.SharedPreferences;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

public class AddMsg extends Activity{

private EditText ID;

private EditText Name;

private EditText Birthday;

private Button saveBt;

private Button resetBt;

int i;

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.add_msg);

bindView();

}

public void bindView() {

ID = (EditText) findViewById(R.id.ID);

Name = (EditText) findViewById(R.id.Name);

Birthday = (EditText) findViewById(R.id.Birthday);

saveBt = (Button) findViewById(R.id.saveMsg);

resetBt=(Button) findViewById(R.id.resetMsg);

saveBt.setOnClickListener(new OnClickListener() {

public void onClick(View v) {

if(ID.getText().toString().equals("")||Name.getText().toString().equals("")||

Birthday.getText().toString().equals("")){

new AlertDialog.Builder(AddMsg.this).setTitle(

R.string.notice).setIcon(R.drawable.alert).setMessage(

R.string.warning).setPositiveButton(R.string.ok,

new DialogInterface.OnClickListener() {

public void onClick(DialogInterface dialog,

int which) {

}

}).show();

}

else{

SharedPreferences Msg = getSharedPreferences("StudentMsg", 0);

// 将新目录保存进去

int totalNum=Msg.getInt("totalNum", 0);

totalNum ;

Msg.edit().putInt("totalNum", totalNum).putString("ID" totalNum,

ID.getText().toString()).putString("Name" totalNum,

Name.getText().toString()).putString("Birthday" totalNum,

Birthday.getText().toString()).commit();

ID.setText("");

Name.setText("");

Birthday.setText("");

}

}

});

resetBt.setOnClickListener(new OnClickListener() {

public void onClick(View v) {ID.setText("");

Name.setText("");

Birthday.setText("");}

});

}

@Override

protected void onStop() {

super.onStop();

}

}