zoukankan      html  css  js  c++  java
  • Activity中的startActivityResult,setResult,finish,onActivityResult的关系

    一:首先图示:

    :代码:

     1:方法selectName

    public void selectName(View view){
    		Intent intent = new Intent(this,NameListActivity.class);
    		startActivityForResult(intent, 1);
    	}
    	public void selectName2(View view){
    		Intent intent = new Intent(this,NameListActivity.class);
    		startActivityForResult(intent, 2);
    	}


     

    2:方法setResult 与 finish();

    		lv_name.setOnItemClickListener(new OnItemClickListener(){
    			public void onItemClick(AdapterView<?> parent, View view,int position, long id) {
    				String clickedName = names[position];
    				Toast.makeText(getApplicationContext(), clickedName, 0).show();
    				Intent data = new Intent();
    				data.putExtra("clickedName", clickedName);
    				setResult(0,data);
    				finish();
    			}
    		});


     

    3:方法onActivityResult

    	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    		super.onActivityResult(requestCode, resultCode, data);
    		if(data!=null){
    			String name = data.getStringExtra("clickedName");
    			if(requestCode == 1)
    				et_name.setText(name);
    			if(requestCode == 2)
    				et_name2.setText(name);
    			
    		}
    	}


     

  • 相关阅读:
    linux--menuconfig
    linux--rcs
    linux--VSS/RSS/PSS/USS
    vi编辑器中发现文件中每行都有一个^M字符
    linux umount命令
    Linux mount命令
    Linux rmmod命令
    Linux lsmod命令
    Linux insmod命令
    linux--cpio文件
  • 原文地址:https://www.cnblogs.com/suncoolcat/p/3343312.html
Copyright © 2011-2022 走看看