设置全局字符串

时间:2014-03-19 20:25:54

标签: android global-variables onactivityresult

希望这能更好地解释它。 所以我有10个基本相同的东西。 每个类有十个按钮,每个按钮启动一个语音识别意图,以及一个startActivityForResult。

onClickListeners和onAcitivityResults位于GlobalListener类上,该类由10个活动中的每个活动进行扩展。

下面是'GlobalListener.java'的代码

       public void onClick(View v) {

        switch(v.getId()) {
        case R.id.button1:
            Intent a = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
            a.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
            a.putExtra(RecognizerIntent.EXTRA_MAX_RESULTS, 1);
            a.putExtra(RecognizerIntent.EXTRA_PROMPT, "Speak now.");
            startActivityForResult(a, checka);

            Toast.makeText(this, text, Toast.LENGTH_SHORT).show();
        break;
        case R.id.button2:
            Intent b = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
            b.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
            b.putExtra(RecognizerIntent.EXTRA_MAX_RESULTS, 1);
            b.putExtra(RecognizerIntent.EXTRA_PROMPT, "Speak Now.");
            startActivityForResult(b, checkb);

在同一个班级,我有onActivityResult

   @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == checka && resultCode == RESULT_OK){
        ArrayList<String> results =      data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
            lv.setAdapter(new ArrayAdapter<String>(this,     android.R.layout.simple_list_item_1, results));
        if(results.contains("apples") || results.contains("tree") ||     results.contains("house") || results.contains("big house")|| results.contains("big tree")||     results.contains("big apple tree")){
            /////Do  something

if (requestCode == checkb && resultCode == RESULT_OK){
        ArrayList<String> results = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
        lv.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, results));
        if(results.contains("oranges") || results.contains("orange tree") || results.contains("orange house")|| results.contains("big orange house")|| results.contains("big orange tree")){ ///    

我很难尝试构建全局字符串以匹配此参数。

if(results.contains("apples") || results.contains("tree") || results.contains("house") || results.contains("big house")|| results.contains("small house")|| results.contains("big tree"))

由于这10个活动中的每一个都扩展了相同的GlobalListener,我需要在运行时更改GlobalListener“监听”的内容,具体取决于调用这10个活动中的哪个。所以我创建了一个GlobalVariables

public class GlobalVariables {
 private static GlobalVariables instance;

static {
    instance = new GlobalVariables();
}

private GlobalVariables() {
}

public static GlobalVariables getInstance() {
    return GlobalVariables.instance;
}

private String someVariable;

public String getSomeVariable() {
    return someVariable;
}

public void setSomeVariable(String someVariable) {
    this.someVariable = someVariable;
}

所以在我的主要Activity1上我设置它就像这样..

 public class Activity1 extends GlobalListener {

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity1);
    GlobalVariables.getInstance().setSomeVariable("apples");

在我拥有OnActivityResult的GlobalListener类中,我从

更改它
       if(results.contains("apples") || ////

   if(results.contains(GlobalVariables.getInstance().getSomeVariable()) || ///

这有效,但这意味着我必须创建;

-a onActivityResult

上每个可接受结果的全局字符串 - 设置我的Main类中的字符串

然后在我的onActivityResult上执行results.contains(lobalVariables.getInstance()。getSomeVariable2())等

我不太关心用这种方式写作的时间,而是学习更高效,更清洁的事情。 我想学习如何使用参数构建全局字符串数组?

感谢

0 个答案:

没有答案
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