一个activity

package com.example.administrator.Activity;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.util.DisplayMetrics;
import android.view.KeyEvent;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.RelativeLayout;
import android.widget.TextView;

import com.example.administrator.Service.ADJFService;

import org.json.JSONArray;
import org.json.JSONObject;

/**
 * Created by Administrator on 2016/1/19.
 */
public class ADJFActivity extends AppCompatActivity {
    Toolbar ADJFToolBar;
    Intent intent;
    SharedPreferences ServicePointId;
    ADJFService adjfService;
    JSONArray adjfArray;
    Button ADJFBackButton;
    ImageButton ImageButtonAJJF,ImageButtonADJF,ImageButtonLJXD;
    TextView TextViewXD,TextViewZD,TextViewCDD,TextViewDD;
    RelativeLayout ADJFRelativeLayout;

    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_adjf);
        InitRelativeLayout();
        InitToolBar();
        GetTextView();

    }
    private  void InitRelativeLayout(){
        ADJFRelativeLayout = (RelativeLayout)findViewById(R.id.ADJFRelativeLayout);
        Drawable backgroud = getResources().getDrawable(R.drawable.adjfbackground);
        Bitmap bitmap ;
    }
    private  void InitToolBar()
    {
        ADJFToolBar = (Toolbar) findViewById(R.id.ADJFToolBar);
        ADJFToolBar.setTitle("");
        setSupportActionBar(ADJFToolBar);
        ADJFBackButton = (Button) findViewById(R.id.ADJFBackButton);
        ADJFBackButton.setText("< 取消");
        ADJFBackButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                setResult(RESULT_OK, intent);
                finish();
            }
        });
        DisplayMetrics displaysMetrics = new DisplayMetrics();//获取屏幕分辨率
        ImageButtonAJJF = (ImageButton) findViewById(R.id.ADJFImageButtonAJJF);
        ImageButtonAJJF.setAdjustViewBounds(true);
        ImageButtonAJJF.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intentADJF = new Intent();
                intentADJF.setClass(ADJFActivity.this, AJJFActivity.class);
                ADJFActivity.this.finish();
                startActivityForResult(intentADJF, 0);
            }
        });
        ImageButtonADJF = (ImageButton) findViewById(R.id.ADJFImageButtonADJF);
        ImageButtonADJF.setAdjustViewBounds(true);
        ImageButtonLJXD = (ImageButton) findViewById(R.id.ADJFImageButtonLJXD);
        ImageButtonLJXD.setAdjustViewBounds(true);
        getWindowManager().getDefaultDisplay().getMetrics(displaysMetrics);
        ImageButtonAJJF.setMaxWidth(displaysMetrics.widthPixels / 3);
        ImageButtonADJF.setMaxWidth(displaysMetrics.widthPixels / 3);
        ImageButtonLJXD.setMaxWidth(displaysMetrics.widthPixels-50);
        ImageButtonAJJF.getBackground().setAlpha(0);
        ImageButtonADJF.getBackground().setAlpha(0);
        ImageButtonLJXD.getBackground().setAlpha(0);
        ImageButtonLJXD.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intentLJXD = new Intent();
                intentLJXD.setClass(ADJFActivity.this,OrderingActivity.class);
                ADJFActivity.this.finish();
                startActivityForResult(intentLJXD,0);
            }
        });
    }

    private Handler handler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            InitTextView();
        }
    };
    private void GetTextView(){
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    ServicePointId = getSharedPreferences("ServicePointId", Context.MODE_PRIVATE);
                    String department = ServicePointId.getString("ServicePointId", null);
                    adjfArray = adjfService.GetADJF(department);
                    if (adjfArray != null) {
                        handler.sendEmptyMessage(0);
                    } else {
                        return;
                    }
                } catch (Exception e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
        }).start();
    }
    private void InitTextView(){
        TextViewXD = (TextView)findViewById(R.id.TextViewCXD);
        JSONObject ajjfJSONObject1 = adjfArray.optJSONObject(0);
        String Price = ajjfJSONObject1.optString("price");
        TextViewXD.setText("¥" + Price + "/小袋");
        TextViewZD = (TextView)findViewById(R.id.TextViewZD);
        JSONObject ajjfJSONObject2 = adjfArray.optJSONObject(1);
        Price = ajjfJSONObject2.optString("price");
        TextViewZD.setText("¥"+Price+"/中袋");
        TextViewDD = (TextView)findViewById(R.id.TextViewDD);
        JSONObject ajjfJSONObject3 = adjfArray.optJSONObject(2);
        Price = ajjfJSONObject3.optString("price");
        TextViewDD.setText("¥"+Price+"/大袋");
        TextViewCDD = (TextView)findViewById(R.id.TextViewCDD);
        JSONObject ajjfJSONObject4 = adjfArray.optJSONObject(3);
        Price = ajjfJSONObject4.optString("price");
        TextViewCDD.setText("¥"+Price+"/超大袋");
    }
}