Java 从选定的ListViewItem文本填充TextView
每次单击列表视图中的任何文本时,我都想在新活动中的文本视图上调用setText。例如,如果我单击listView中包含“Android”的项目,我希望“Android”一词出现在新活动中 查找下面的代码:Java 从选定的ListViewItem文本填充TextView,java,android,arrays,textview,settext,Java,Android,Arrays,Textview,Settext,每次单击列表视图中的任何文本时,我都想在新活动中的文本视图上调用setText。例如,如果我单击listView中包含“Android”的项目,我希望“Android”一词出现在新活动中 查找下面的代码: public class ThirdMainActivity extends ActionBarActivity { ListView lvCourses; String[] courses = { "Android", "HTML 5", "J2SE", "JavaScri
public class ThirdMainActivity extends ActionBarActivity {
ListView lvCourses;
String[] courses = { "Android", "HTML 5", "J2SE", "JavaScript", "MySQL", "PHP", "CSS", "JQuery", "C#"};
String[] descr = { "Android Course", "HTML 5 Course", "J2SE Course", "JavaScript Course", "MySQL Course", "PHP Course", "CSS Course", "JQuery Course", "C# Course" };
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_third_main);
lvCourses = (ListView) findViewById(R.id.lvCourses);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, Android.R.layout.simple_list_item_1, courses);
final TextView rr = (TextView)findViewById(R.id.setT);
lvCourses.setAdapter(adapter);
lvCourses.setOnItemClickListener(
new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> lv, View view, int position, long id) {
if(position == 0){
rr.setText(""+descr[0]);
Intent e = new Intent(getApplicationContext(),TeMainActivity.class);
startActivity(e);
}
if(position == 1){
rr.setText(""+descr[1]);
Intent e = new Intent(getApplicationContext(),TeMainActivity.class);
startActivity(e);
}
}
});
}
}
公共类ThirdMainActivity扩展了ActionBarActivity{
ListView课程;
String[]courses={“Android”、“HTML5”、“J2SE”、“JavaScript”、“MySQL”、“PHP”、“CSS”、“JQuery”、“C#”};
String[]descr={“Android课程”、“HTML5课程”、“J2SE课程”、“JavaScript课程”、“MySQL课程”、“PHP课程”、“CSS课程”、“JQuery课程”、“C#课程”};
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity\u第三主视图);
lvCourses=(ListView)findViewById(R.id.lvCourses);
ArrayAdapter=新的ArrayAdapter(这是Android.R.layout.simple\u list\u item\u 1,课程);
最终文本视图rr=(文本视图)findViewById(R.id.setT);
设置适配器(适配器);
lvCourses.setOnItemClickListener(
新建MClickListener(){
@凌驾
public void onItemClick(适配器视图lv、视图视图、内部位置、长id){
如果(位置==0){
rr.setText(“+descr[0]);
意图e=新意图(getApplicationContext(),TeMainActivity.class);
星触觉(e);
}
如果(位置==1){
rr.setText(“+descr[1]);
意图e=新意图(getApplicationContext(),TeMainActivity.class);
星触觉(e);
}
}
});
}
}
您不需要检查所有位置状态。只需在onItemClick()上执行此操作
rr.setText(descr[position]);
Intent e = new Intent(getApplicationContext(),TeMainActivity.class);
startActivity(e);
如果要将此数据传递给新活动
rr.setText(descr[position]);
Intent e = new Intent(getApplicationContext(),TeMainActivity.class);
e.putExtra("desc", descr[position])
startActivity(e);
当我模拟它时,给我一个错误“不幸的是da4停止了”