无法启动 activity ComponentInfo.....java.lang.IllegalStateException: 已附加
Unable to start activity ComponentInfo.....java.lang.IllegalStateException: Already attached
我收到了那个错误,如你所见,我正在添加我从第一个 activity 中获取的数据,并将其存储到第二个 activity 中的数组中.
然后我使用数组填充列表视图。所以问题是每当我单击第一个视图上的保存按钮时
public class Main2Activity 扩展 AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
super.onCreate(savedInstanceState);
// setContentView(Your_Layout);
//Bundle extras = null;
//if(getIntent().getExtras() != null){
// extras = getIntent().getExtras();
//}
Intent intent = getIntent();
// ListView lv = (ListView) findViewById(R.id.View);
String data = intent.getStringExtra("data");
String first = intent.getStringExtra("stringOne");
String second = intent.getStringExtra("stringTwo");
String Third = intent.getStringExtra("stringThree");
String Fourth = intent.getStringExtra("stringFour");
String Fifth = intent.getStringExtra("stringFive");
String Sixth = intent.getStringExtra("stringSix");
// Find the ListView resource.
ListView lv = (ListView) findViewById( R.id.View );
// Create and populate a List of planet names.
String[] dataUser = new String[] { first,second,Third,Fourth,Fifth,Sixth};
ArrayList<String> dataList = new ArrayList<String>();
dataList.addAll(Arrays.asList(dataUser));
// Create ArrayAdapter using the planet list.
ArrayAdapter<String> listAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, dataList);
// Set the ArrayAdapter as the ListView's adapter.
lv.setAdapter(listAdapter);
}
}
您的代码中有 2 个 super.onCreate(savedInstanceState);
,删除其中一个。
所以我确实删除了扩展 super.onCreate(savedInstanceState);我有,但看起来我的编辑文本之一正在传递一个 nul 值。所以我遍历了每一行,但正如你所看到的,所有的 edixtext 都传递了一个 null 的差异
http://pastebin.com/mys3R8QQ
我收到了那个错误,如你所见,我正在添加我从第一个 activity 中获取的数据,并将其存储到第二个 activity 中的数组中. 然后我使用数组填充列表视图。所以问题是每当我单击第一个视图上的保存按钮时 public class Main2Activity 扩展 AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
super.onCreate(savedInstanceState);
// setContentView(Your_Layout);
//Bundle extras = null;
//if(getIntent().getExtras() != null){
// extras = getIntent().getExtras();
//}
Intent intent = getIntent();
// ListView lv = (ListView) findViewById(R.id.View);
String data = intent.getStringExtra("data");
String first = intent.getStringExtra("stringOne");
String second = intent.getStringExtra("stringTwo");
String Third = intent.getStringExtra("stringThree");
String Fourth = intent.getStringExtra("stringFour");
String Fifth = intent.getStringExtra("stringFive");
String Sixth = intent.getStringExtra("stringSix");
// Find the ListView resource.
ListView lv = (ListView) findViewById( R.id.View );
// Create and populate a List of planet names.
String[] dataUser = new String[] { first,second,Third,Fourth,Fifth,Sixth};
ArrayList<String> dataList = new ArrayList<String>();
dataList.addAll(Arrays.asList(dataUser));
// Create ArrayAdapter using the planet list.
ArrayAdapter<String> listAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, dataList);
// Set the ArrayAdapter as the ListView's adapter.
lv.setAdapter(listAdapter);
}
}
您的代码中有 2 个 super.onCreate(savedInstanceState);
,删除其中一个。
所以我确实删除了扩展 super.onCreate(savedInstanceState);我有,但看起来我的编辑文本之一正在传递一个 nul 值。所以我遍历了每一行,但正如你所看到的,所有的 edixtext 都传递了一个 null 的差异 http://pastebin.com/mys3R8QQ