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我想從列表視圖中獲取項目。我創建了許多動態佈局(取決於數據庫的輸出),當我點擊視圖時,我想在Textviews中的另一個活動中顯示數據。我該如何安排?從動態插入ListView獲取項目
這裏是我的活動使用ListView:
public void getRoute() {
mdbH = new DatabaseHelperActivity(this);
cursor = mdbH.fetchallRoutes(intent.getStringExtra("StartHaltestelle"),intent.getStringExtra("ZielHaltestelle"), intent.getStringExtra("Zeit"));
ArrayList<DefineRouteActivity> route = new ArrayList<DefineRouteActivity>();
int i = 0;
while(cursor.moveToNext()) {
i++;
route.add(new DefineRouteActivity(cursor.getString(0),cursor.getString(2),cursor.getString(4)));
}
if(i == 0){
AlertDialog alertDialog = new AlertDialog.Builder(
PlanOutputActivity.this).create();
// Setting Dialog Title
alertDialog.setTitle(getString(R.string.pDInfo));
// Setting Dialog Message
alertDialog.setMessage(getString(R.string.pDErrorMessage));
// Setting OK Button
alertDialog.setButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// Write your code here to execute after dialog closed
Intent intent = new Intent(getApplicationContext(),PlanActivity.class);
startActivity(intent);
}
});
// Showing Alert Message
alertDialog.show();
}
ListView lvList = (ListView)findViewById(R.id.ListOutput);
ArrayAdapter<DefineRouteActivity> adapter = new RouteAdapterActivity(this, route);
lvList.setAdapter(adapter);
lvList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
Intent detail = new Intent(getApplicationContext(),DetailOutputActivity.class);
startActivity(detail);
}
});
}
這裏是我的活動,其中的字符串,應該與以下四個TextViews被dispalyed:
公共類DetailOutputActivity延伸活動{
Intent detail;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.detailoutputlayout);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent detail) {
super.onActivityResult(requestCode, resultCode, detail);
detail = getIntent();
if (resultCode == Activity.RESULT_OK) {
TextView txStart = (TextView)findViewById(R.id.txDetailOutputStart);
TextView txEnd = (TextView)findViewById(R.id.txDetailOutputEnd);
TextView txTime = (TextView)findViewById(R.id.txDetailOutputTime);
TextView txRoute = (TextView)findViewById(R.id.txDetailOutputRoute);
txStart.setText(detail.getStringExtra("start"));
/*txEnd.setText(detail.getStringExtra("EndStop"));
txTime.setText(detail.getStringExtra("Time"));
txRoute.setText(detail.getStringExtra("Route"));*/
}
}
這是我的佈局,它被插入:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/outputlayout"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="50dp"
android:layout_marginTop="10dp"
android:layout_marginBottom="10dp"
android:background="@color/ligthgrey">
<TextView
android:id="@+id/txOutputDeparture"
android:layout_width="130dp"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge"
android:text="Abfahrt "
android:textColor="@color/black"
android:layout_alignParentLeft="true"
android:maxLength="@android:integer/config_shortAnimTime"
android:layout_marginTop="5dp" />
<TextView
android:id="@+id/txOutputDuration"
android:layout_width="100dp"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/txOutputDeparture"
android:textAppearance="?android:attr/textAppearanceLarge"
android:text="Dauer"
android:layout_marginTop="5dp" />
<TextView
android:id="@+id/txOutputTransition"
android:layout_width="100dp"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/txOutputDuration"
android:text="Umstieg"
android:textAppearance="?android:attr/textAppearanceLarge"
android:layout_marginTop="5dp" />
</RelativeLayout>
</LinearLayout>
當然我的Listview ID是ListOutput!
但我怎麼能得到這個TextView的......我的插入佈局包括4 TextView的......我應該得到他們通過findViewById? – schocka94
你是在談論你的DetailOutputActivity的TextViews或你的列表項的Textviews。 – Ankit
我在談論List元素......我如何從textvies中獲取這些字符串? – schocka94