这是来自Big Nerd Ranch Guide的示例:
需要翻译的内容:
package com.example.geoquiz;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
public class QuizActivity extends ActionBarActivity {
private Button mTrueButton;
private Button mFalseButton;
private Button mNextButton;
private TextView mQuestionTextView;
private TrueFalse[] mQuestionBank = new TrueFalse[] {
new TrueFalse(R.string.question_africa, true),
new TrueFalse(R.string.question_americas, false),
new TrueFalse(R.string.question_asia, false),
new TrueFalse(R.string.question_mideast, true),
new TrueFalse(R.string.question_oceans, true)
};
private int mCurrentIndex = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_quiz);
mTrueButton = (Button)findViewById(R.id.true_button);
mFalseButton = (Button)findViewById(R.id.false_button);
mTrueButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(QuizActivity.this, R.string.incorrect_toast, Toast.LENGTH_SHORT).show();
}
});
mFalseButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(QuizActivity.this, R.string.correct_toast, Toast.LENGTH_SHORT).show();
}
});
mQuestionTextView = (TextView)findViewById(R.id.question_text_view);
int question = mQuestionBank[mCurrentIndex].getQuestion();
mQuestionTextView.setText(question);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.quiz, 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();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
需要翻译的内容:
需要翻译的部分是这段文字:
int question = mQuestionBank[mCurrentIndex].getQuestion();
mQuestionTextView.setText(question);
question
在这里是一个int
,我想知道它是如何工作的。更奇怪的是,如果我将question
改为字面整数,例如1,那么应用程序就无法正常工作。
strings.xml
中的所有字符串都与一个整数值(resid = 资源ID)相关联。当setText()接收到一个整数时,它会查找对应于该整数的字符串资源,并更新TextView
。 - Philip Liberato