Question

我正在尝试收集用户输入并将其传递给另一个活动，并使用文本视图显示它。

我尝试使用getText（）和toString（）函数并传递意图，但是在运行程序时，应包含用户输入的字符串无法正确显示。

protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main_in);

            //Collect user inputs and store them in strings
            noun1 = (EditText)findViewById(R.id.noun1);
            pluralNoun =  (EditText)findViewById(R.id.pluralNoun);
            noun2 = (EditText)findViewById(R.id.noun2);
            place = (EditText)findViewById(R.id.place);
            adjective = (EditText)findViewById(R.id.adjective);
            noun3 = (EditText)findViewById(R.id.noun3);

            firstNoun = noun1.getText().toString();
            nounPlural = pluralNoun.getText().toString();
            secondNoun = noun2.getText().toString();
            inputPlace = place.getText().toString();
            inputAdjective = adjective.getText().toString();
            thirdNoun = noun3.getText().toString();

            madLib ="Be kind to your " + firstNoun + "-footed " + pluralNoun + "\n" +
                    "For a duck may be somebody`s " + secondNoun + ",\n" +
                    "Be kind to your " + pluralNoun + " in " + inputPlace + "\n" +
                    "Where the weather is always " + inputAdjective + ".\n" +
                    "\n" +
                    "You may think that this is the " + thirdNoun + ",\n" +
                    "Well it is.\t";

        }



        public void createStory(View view) {
            Intent myIntent = new Intent(MainActivityIn.this,
                    MainActivityOut.class);
            myIntent.putExtra("story",madLib);
            startActivity(myIntent);
        }

我希望输出一些句子来显示带有用户输入的单词的故事，但我得到的输出如下图所示：

Actual Output

Answer 1

您可以使用以下代码在另一个名为 MainActivityOut.class 的活动中检索您的字符串，并将该字符串传递到文本视图。

String madLib = getIntent().getStringExtra("story");
yourTextView.setText(madLib);

Answer 2

在matLib中，您调用的某些变量不是String而是editText，这就是为什么您得到那些奇怪结果的原因。就像pluralNoun ...尝试使用这种命名约定，将所有editText等名称，将所有textView电视名称，将所有按钮btn ...，所有imageView iv ...这样可以避免混淆变量。

Answer 3

您正在传递 EditText 字符串内的对象

madLib ="Be kind to your " + firstNoun + "-footed " + pluralNoun + "\n" +
                    "For a duck may be somebody`s " + secondNoun + ",\n" +
                    "Be kind to your " + pluralNoun + " in " + inputPlace + "\n" +
                    "Where the weather is always " + inputAdjective + ".\n" +
                    "\n" +
                    "You may think that this is the " + thirdNoun + ",\n" +
                    "Well it is.\t";

pluralNoun是 EditText 对象

更改代码，例如

madLib ="Be kind to your " + firstNoun + "-footed " + nounPlural+ "\n" +
                        "For a duck may be somebody`s " + secondNoun + ",\n" +
                        "Be kind to your " + nounPlural + " in " + inputPlace + "\n" +
                        "Where the weather is always " + inputAdjective + ".\n" +
                        "\n" +
                        "You may think that this is the " + thirdNoun + ",\n" +
                        "Well it is.\t";

如何从编辑文本中获取字符串并传递给新活动？

3 个答案: