android json相关

android 对象到json json到对象

接口类

package com.test.json;import org.json.JSONException;import org.json.JSONObject;public interface JsonSerializable {abstract void deCode(JSONObject object) throws JSONException;abstract void enCode(JSONObject object) throws JSONException;}

实体类

package com.test.json;import java.io.Serializable;import org.json.JSONException;import org.json.JSONObject;public class ItemInfo implements Serializable , JsonSerializable{/** *  */private static final long serialVersionUID = 1L;public int screen;public int cellX;public int cellY;public int mWidth;public int mHeight;public Object ObjectTag;public ItemInfo(){}public ItemInfo(int screen,int cellX, int cellY) {super();this.screen = screen;this.cellX = cellX;this.cellY = cellY;}public ItemInfo(int screen,int cellX, int cellY, int mWidth, int mHeight,Object objectTag) {super();this.screen = screen;this.cellX = cellX;this.cellY = cellY;this.mWidth = mWidth;this.mHeight = mHeight;ObjectTag = objectTag;}@Overridepublic  void enCode(JSONObject object) throws JSONException {object.put("screen", screen);object.put("cellX", cellX);object.put("cellY", cellY);}@Overridepublic void deCode(JSONObject object) throws JSONException {screen = object.getInt("screen");cellX = object.getInt("cellX");cellY = object.getInt("cellY");}}

package com.test.json;import org.json.JSONException;import org.json.JSONObject;import android.graphics.Bitmap;public class AppInfo extends ItemInfo {/** *  */private static final long serialVersionUID = 1L;public Bitmap iconBitmap;public String title;public boolean isInstall = false;public boolean isUpdate = false;public AppInfo(){super();}public AppInfo(Bitmap iconBitmap, String title) {super();this.iconBitmap = iconBitmap;this.title = title;}public AppInfo(int screen, int cellX, int cellY, Bitmap iconBitmap,String title) {super(screen, cellX, cellY);this.iconBitmap = iconBitmap;this.title = title;}public boolean eqXY(AppInfo appInfo) {if (this.cellX == appInfo.cellX && this.cellY == appInfo.cellY)return true;return false;}@Overridepublic void enCode(JSONObject object) throws JSONException {super.enCode(object);object.put("title", title);object.put("isInstall", isInstall);object.put("isUpdate", isUpdate);}@Overridepublic void deCode(JSONObject object) throws JSONException {super.deCode(object);title = object.getString("title");isInstall = object.getBoolean("isInstall");isUpdate = object.getBoolean("isUpdate");}}

activity

package com.test.json;import org.json.JSONException;import org.json.JSONObject;import org.json.JSONTokener;import android.app.Activity;import android.content.Context;import android.content.SharedPreferences;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class JsonTestActivity extends Activity implements OnClickListener {   private Button button;private AppInfo appInfo;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        button = (Button) findViewById(R.id.button1);        button.setOnClickListener(this);        findViewById(R.id.button2).setOnClickListener(this);        appInfo = new AppInfo(1, 1, 1, null, "1234");    }@Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.button1:objToJson();break;case R.id.button2:jsonToObj();break;default:break;}}private void objToJson(){JSONObject jsonObject = new JSONObject();try {appInfo.enCode(jsonObject);String data =  jsonObject.toString();getDataContainer().edit().putString("Appinfo",data).commit();} catch (JSONException e) {// TODO Auto-generated catch blocke.printStackTrace();}}private void jsonToObj(){String jsonStr = getDataContainer().getString("Appinfo",null);if(null == jsonStr) return ;try {JSONObject object = (JSONObject) new JSONTokener(jsonStr).nextValue();appInfo = new AppInfo();appInfo.deCode(object);} catch (JSONException e) {// TODO Auto-generated catch blocke.printStackTrace();}}private SharedPreferences getDataContainer(){return getSharedPreferences("JsonTestActivity", Context.MODE_WORLD_READABLE | Context.MODE_WORLD_WRITEABLE);}}

更多相关文章

随机推荐