按下添加按钮,我想在列表视图印刷(不管多少次,我们按它)的数据 到目前为止,我有这样的:我不知道我会犯错填充一个ListView
主要活动:
public class MainActivity extends ActionBarActivity {
EditText eText;
Button btn;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
eText = (EditText) findViewById(R.id.edt1);
btn = (Button) findViewById(R.id.btn1);
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String str = eText.getText().toString();
Intent i = new Intent(MainActivity.this, hiworld.class);
i.putExtra("Name", str);
startActivity(i);
}
});
}
}
下一个活动:
public class hiworld extends ActionBarActivity {
TextView text;
ArrayList<String> alName=new ArrayList<>();
ListView list;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_hiworld);
text = (TextView) findViewById(R.id.txt1);
list=(ListView)findViewById(R.id.list_item);
Intent i = getIntent();
String strname = i.getStringExtra("Name");
// text.setText(strname);
// alName.add(strname);
// ArrayAdapter<String> adapter=new ArrayAdapter(getApplicationContext(),android.R.layout.simple_expandable_list_item_1,alName);
//list.setAdapter(adapter);
}
}
试试这个http://www.vogella.com/tutorials/AndroidListView/article.html – MHossein