Android的微调改变的setContentView [英] Android spinner to change setContentView

问题描述

所以，我有两个不同的选项迄今好手。我试图做到的是，如果选择第一微调选项，然后我的setContentView到一个特定的布局和执行对应于布局code。如果第二微调选项选择也是一样。我知道我需要使用setOnItemSelectedListener在一定程度上，但我不知道如何做到这一点正是工作。下面是我想要在编码方面做一个快速模拟了

  spinner.setonItemSelectedListener（本）;
    如果（微调=第一微调选项）{
         的setContentView（R.layout.lay1）;
         //其他code在这里
    } ELSEIF（微调=第二微调选项）{
         的setContentView（R.layout.lay2）;
         //其他code在这里
    }
 

我知道语法是坏在这里，我只是试图让怎么可以这样做一个大致的了解。

编辑：@ codeMagic
这是我的code是如何设置迄今。 '项目'只是一个字符串数组有2个元素。

  ArrayAdapter＆LT;串GT;适配器=新ArrayAdapter＆LT;串GT;（这一点，
            R.layout.my_spinner_style，物品）{            公共查看getView（INT位置，查看convertView，父母的ViewGroup）{
                视图V = super.getView（位置，convertView，父母）;
                字体TF = Typeface.createFromAsset（getAssets（），字体/ EXO-Bold.otf）;
                （（的TextView）V）.setTypeface（TF）;
                返回伏;
            }
            公共查看getDropDownView（INT位置，查看convertView，父母的ViewGroup）{
                视图V = super.getDropDownView（位置，convertView，父母）;
                字体TF = Typeface.createFromAsset（getAssets（），字体/ EXO-Bold.otf）;
                （（的TextView）V）.setTypeface（TF）;
                //v.setBackgroundColor(Color.GREEN）;                返回伏;
            }
    };
    adapter.setDropDownViewResource（android.R.layout.simple_spinner_dropdown_item）;
    gasChoice.setAdapter（适配器）;    addListenerOnSpinnerItemSelection（）;
}公共无效addListenerOnSpinnerItemSelection（）{
    gasChoice =（微调）findViewById（R.id.gasChoice）;
    gasChoice.setOnItemSelectedListener（新OnItemSelected（））;}
 

解决方案

我不知道究竟是什么问题您有，但其pretty接近。你只需要添加方法

  @覆盖
公共无效onItemSelected（适配器视图＆LT;＆GT;为arg0，ARG1观，诠释ARG2，长ARG3）{
     TextView的电视=（TextView中）ARG1; //获取TextView的选择
     字符串文本= tv.getText（）的toString（）。
     如果（text.equals（FirstText））{//比较框中的文本
          的setContentView（R.layout.lay1）;
     //其他code在这里
     } ELSEIF（text.equals（FirstText））{
          的setContentView（R.layout.lay2）;
         //其他code在这里
     }
}
 

有这样做，例如获取位置（ ARG2 ），并比较了一下在你的适配器，但因为我的不同的方法不知道你是怎么做的任何这一点，这就是让你开始最简单的方法。

So, I have a spinner with two different options thus far. What I am trying to accomplish is, if "First Spinner Option" is chosen, then I setContentView to a specific layout and execute code corresponding to that layout. The same goes if "Second Spinner Option" is chosen. I know that I need to use setOnItemSelectedListener to a certain extent, but I am not sure how this would work exactly. Below is a quick mock up of what I'm trying to do in coding terms

spinner.setonItemSelectedListener(this);
    if(spinner = first spinner option){
         setContentView(R.layout.lay1);
         //other code here
    }elseif(spinner = second spinner option){
         setContentView(R.layout.lay2);
         //other code here
    }

I know the syntax is bad here, Im just trying to get a general idea of how this could be done.

EDIT: @CodeMagic This is how my code is setup thus far. 'items' is just an array of strings with 2 elements.

ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
            R.layout.my_spinner_style, items) {

            public View getView(int position, View convertView, ViewGroup parent) {
                View v = super.getView(position, convertView, parent);
                Typeface tf = Typeface.createFromAsset(getAssets(), "fonts/Exo-Bold.otf");
                ((TextView) v).setTypeface(tf);
                return v;
            }


            public View getDropDownView(int position,  View convertView,  ViewGroup parent) {
                View v =super.getDropDownView(position, convertView, parent);
                Typeface tf = Typeface.createFromAsset(getAssets(), "fonts/Exo-Bold.otf");
                ((TextView) v).setTypeface(tf);
                //v.setBackgroundColor(Color.GREEN);

                return v;
            }
    };


    adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);                                 
    gasChoice.setAdapter(adapter);  

    addListenerOnSpinnerItemSelection();
}

public void addListenerOnSpinnerItemSelection(){
    gasChoice = (Spinner) findViewById(R.id.gasChoice);
    gasChoice.setOnItemSelectedListener(new OnItemSelected());

}

解决方案

I don't know exactly what the problem is you are having but its pretty close. You just need to add the method

@Override
public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
     TextView tv = (TextView)arg1;  // get the TextView selected
     String text = tv.getText().toString();
     if(text.equals("FirstText")){   // compare the text in the box
          setContentView(R.layout.lay1);
     //other code here
     }elseif(text.equals("FirstText")){
          setContentView(R.layout.lay2);
         //other code here
     }
}

There are different ways of doing this such as getting the position (arg2) and comparing that to what's in your adapter but since I don't know how you are doing any of that, this is the easiest way to get you started.

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