[英]Pass Spinner value to next activity
第一個活動需要將微調器結果發送到第二個活動進行顯示。 我一直在獲取android.widget.Spinner {b2e1e158 VFED..C ......... I。 0,0-100,37#7f050045 app:id / spinner1}我也將它發布到較早的數組中,但是我無法回到那個位置。
Spinner spinner1;
String table;
List<String> list;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main1);
toggleButton1 = (ToggleButton) findViewById(R.id.toggleButton1);
spinner1 = (Spinner) findViewById(R.id.spinner1);
list = new ArrayList<String>();
list.add("Table 1");
list.add("Table 2");
list.add("Table 3");
ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this,
android.R.layout.simple_spinner_item, list);
dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner1.setAdapter(dataAdapter);
spinner1.setOnItemSelectedListener(new OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> arg0, View arg1,
int arg2, long arg3) {
spinner1.getSelectedItem().toString();
}
public void onNothingSelected(AdapterView<?> arg0) {
}
});
//startButton is connected to button1 on the screen
Button startButton = (Button) findViewById(R.id.button1);
//Listens for when the start button is clicked
startButton.setOnClickListener(new View.OnClickListener()
{
public void onClick(View view)
{
//Calls the secondActivity method
thirdActivity();
}
});
}
private void thirdActivity()
{
//Tell intent which activity to go from and to
Intent launch = new Intent(this, MainActivity2.class);
launch.putExtra("list", list.toString());
startActivity(launch);
}
第二次活動
private String list;
private TextView displayTable;
Intent launch = getIntent();
list = launch.getStringExtra("list");
displayTable = (TextView) findViewById(R.id.textView6);
displayTable.setText(list);
嘗試這個
Spinner spinner1;
String table;
List<String> list;
String selectedItem="";
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main1);
toggleButton1 = (ToggleButton) findViewById(R.id.toggleButton1);
spinner1 = (Spinner) findViewById(R.id.spinner1);
list = new ArrayList<String>();
list.add("Table 1");
list.add("Table 2");
list.add("Table 3");
ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this,
android.R.layout.simple_spinner_item, list);
dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner1.setAdapter(dataAdapter);
spinner1.setOnItemSelectedListener(new OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> arg0, View arg1,
int arg2, long arg3) {
selectedItem=spinner1.getSelectedItem().toString();
}
public void onNothingSelected(AdapterView<?> arg0) {
}
});
//startButton is connected to button1 on the screen
Button startButton = (Button) findViewById(R.id.button1);
//Listens for when the start button is clicked
startButton.setOnClickListener(new View.OnClickListener()
{
public void onClick(View view)
{
//Calls the secondActivity method
//thirdActivity();
Intent intent=new Intent(getApplicationContext(),SecondActivity.class);
intent.putExtra("selectedItem",selectedItem);
startActivity(intent);
}
});
}
第二次活動
Intent launch = getIntent();
list = launch.getStringExtra("selectedItem");
displayTable = (TextView) findViewById(R.id.textView6);
displayTable.setText(list);
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