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   源码介绍

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服务端已验证通过，《猪肉溯源》app源码

package com.zte2014.zms.pork.activity;

import java.lang.reflect.Field;
import java.lang.reflect.Method;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewConfiguration;
import android.view.Window;
import android.widget.ImageView;
import android.widget.LinearLayout;

import com.zte2014.zms.pork.R;

public class IndexActivity extends Activity {

	
	 private ImageView index_menbtn;
	    private LinearLayout index_lay_sy;
	    private ImageView index_img_sy;
	    private LinearLayout index_lay_scan;
	    private ImageView index_img_scan;
	    
	    private LinearLayout index_lay_tz;
	    private LinearLayout index_lay_yl;
	    private ImageView index_img_yl;
	    private LinearLayout index_lay_rk;
	    private ImageView index_img_rk;
	    private LinearLayout index_lay_sc;
	    private ImageView index_img_sc;
	    private LinearLayout index_lay_fh;
	    private ImageView index_img_fh;
	    private LinearLayout index_lay_jc;
	    private ImageView index_img_jc;
	    private LinearLayout index_sccj;
	    private ImageView index_img_sccj;
	    private LinearLayout index_lay_sfjd;
	    private ImageView index_img_sfjd;
	    

	    
	    
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_index);
		
		bindViews();
		
		setOverflowShowingAlways();
		
		index_lay_tz.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				 Intent  scanIntent=new Intent();
				 scanIntent.setClass(IndexActivity.this,TzActivity.class);
				 startActivity(scanIntent);
				 overridePendingTransition(R.anim.slide_in_right,R.anim.slide_out_left);
			}
		});
		
		index_lay_scan.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				 Intent  scanIntent=new Intent();
				 scanIntent.setClass(IndexActivity.this,CaptureActivity.class);
				 startActivity(scanIntent);
				 overridePendingTransition(R.anim.slide_in_right,R.anim.slide_out_left);
				
			}
		});
		
		
		
		index_lay_sy.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				 Intent  scanIntent=new Intent();
				 scanIntent.setClass(IndexActivity.this,SyActivity.class);
				 startActivity(scanIntent);
				 overridePendingTransition(R.anim.slide_in_right,R.anim.slide_out_left);
				
			}
		});
		
	}

	
	private void setOverflowShowingAlways() {
		try {
			 //使用放射 ，欺骗系统，本手机是没有menu键的
			ViewConfiguration config = ViewConfiguration.get(this);
			Field menuKeyField = ViewConfiguration.class.getDeclaredField("sHasPermanentMenuKey");
			menuKeyField.setAccessible(true);
			menuKeyField.setBoolean(config, false);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	
	


	@Override
	public boolean onMenuOpened(int featureId, Menu menu) {
		if (featureId == Window.FEATURE_ACTION_BAR && menu != null) {
			
			   //使用反射，强制显示图标
			if (menu.getClass().getSimpleName().equals("MenuBuilder")) {
				try {
					Method m = menu.getClass().getDeclaredMethod("setOptionalIconsVisible", Boolean.TYPE);
					m.setAccessible(true);
					m.invoke(menu, true);
				} catch (Exception e) {
				}
			}
		}
		return super.onMenuOpened(featureId, menu);
	}
 
	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
	   

		getMenuInflater().inflate(R.menu.index, menu);
		return true;
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		// Handle action bar item clicks here. The action bar will
		// automatically handle clicks on the Home/Up button, so long
		// as you specify a parent activity in AndroidManifest.xml.
		int id = item.getItemId();
	 
		
		switch (id) {
		case R.id.actionbar_exit:
		{
		 
	 
					    
					new AlertDialog.Builder(IndexActivity.this).setTitle("警告！您将退出登录账号！")
					.setMessage("您确定要退出?")
					.setPositiveButton("确定", new DialogInterface.OnClickListener() {
						@Override
						public void onClick(DialogInterface dialog, int which) {
							
				/*			SharedPreferences sp = IndexActivity.this.getSharedPreferences("userinfo", Context.MODE_PRIVATE);
							Editor editor=sp.edit();
							editor.putBoolean("loginflage", false);
							editor.putString("username", "all");
							editor.commit();*/
						 
							 
							
							 Intent intent = new Intent(Intent.ACTION_MAIN);
							intent.addCategory(Intent.CATEGORY_HOME);
							intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
							startActivity(intent);
							System.exit(0); 
							 
						}
					}).setNegativeButton("取消", null).show();
			 
		 
			
			break;
		}
		case R.id.actionbar_settings:
		{
			return true;
		}
			   
			 

		default:
			break;
		}
		return super.onOptionsItemSelected(item);
	} 
	
	
	
	private  void bindViews() {

        index_menbtn = (ImageView) findViewById(R.id.index_menbtn);
   
        index_lay_sy=(LinearLayout)findViewById(R.id.index_lay_sy);
        index_img_sy = (ImageView) findViewById(R.id.index_img_sy);
        index_lay_scan = (LinearLayout) findViewById(R.id.index_lay_scan);
        index_img_scan = (ImageView) findViewById(R.id.index_img_scan);
 
        index_lay_tz=(LinearLayout)findViewById(R.id.index_lay_tz);
        index_lay_rk = (LinearLayout) findViewById(R.id.index_lay_rk);
        index_img_rk = (ImageView) findViewById(R.id.index_img_rk);
 
        index_lay_fh = (LinearLayout) findViewById(R.id.index_lay_fh);
        index_img_fh = (ImageView) findViewById(R.id.index_img_fh);
        index_lay_jc = (LinearLayout) findViewById(R.id.index_lay_jc);
        index_img_jc = (ImageView) findViewById(R.id.index_img_jc);
 
    }


}