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Tworzenie aplikacji mobilnych

Tworzenie aplikacji mobilnych. Android IMF (Input Method Framework ). android:inputType. text (domyślny) number phone datetime date time. < TextView android:text ="No special rules :"/> < EditText /> … < TextView android:text ="Email address :"/> < EditText

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Tworzenie aplikacji mobilnych

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  1. Tworzenie aplikacji mobilnych Android IMF (Input Method Framework)

  2. android:inputType • text (domyślny) • number • phone • datetime • date • time

  3. <TextViewandroid:text="No specialrules:"/> <EditText/> … <TextViewandroid:text="Email address:"/> <EditText android:inputType="text|textEmailAddress"/> … <TextViewandroid:text="Signeddecimalnumber:"/> <EditText android:inputType="number|numberSigned|numberDecimal"/> … <TextViewandroid:text="Date:"/> <EditText android:inputType="date"/> <TextViewandroid:text="Multi-linetext:„ /> <EditText android:inputType="text|textMultiLine|textAutoCorrect" android:minLines="3" android:gravity="top"/>

  4. Akcje po wprowadzeniu danych <EditText android:inputType="text|textEmailAddress" android:imeOptions="actionSend" /> ….. </TableRow> <TableRow> <TextView android:text="Signeddecimalnumber:" /> <EditText android:inputType="number|numberSigned|numberDecimal" android:imeOptions="actionDone" />

  5. Obsługa akcji • setOnEditorActionListener(newMyActionLisener() ) • Obsługa komunikatów przekazywanych za pomocą flag: • IME_ACTION_SEND

  6. Obsługa umieszczania IME na ekranie • Umieszczenie IME nad layutem • Zmiana rozmiaru Layout- u

  7. Własna kontrola nad wprowadzaniem danych <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.commonsware.android.imf.two" android:versionCode="1" android:versionName="1.0"> <application android:label="@string/app_name" android:icon="@drawable/cw"> <activity android:name=".IMEDemo2" android:label="@string/app_name" android:windowSoftInputMode="adjustResize"> <intent-filter> <actionandroid:name="android.intent.action.MAIN"/> <categoryandroid:name="android.intent.category.LAUNCHER"/> </intent-filter> </activity> </application> <supports-screens android:largeScreens="true" android:normalScreens="true" android:smallScreens="true" android:anyDensity="true"/> </manifest>

  8. Kontrola nad Wprowadzaniem danych(Ukrycie IME) • InputMethodManager mgr=(InputMethodManager)getSystemService(INPUT_METHOD_SERVICE); • mgr.hideSoftInputFromWindow(fld.getWindowToken(), 0); • mgr.hideSoftInputFromWindow(fld.getWindowToken(), InputMethodManager.HIDE_IMPLICIT_ONLY);

  9. Data Adapers • Dostęp do danych • Odpowiadają zarówno za dostęp do danych ja i za konwersje do odpowiednich obiektów View

  10. Przykład(generacja w obiektach TextView) • String[] items={"this", "is", "a","really", "silly", "list"}; • newArrayAdapter<String>(this,android.R.layout.simple_list_item_1, items); Context Kolekcja Layout

  11. Przykład: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <TextView android:id="@+id/selection" android:layout_width="fill_parent" android:layout_height="wrap_content"/> <ListView android:id="@android:id/list" android:layout_width="fill_parent" android:layout_height="fill_parent" android:drawSelectorOnTop="false" /> </LinearLayout>

  12. Wykorzystanie ListAcivity public class ListViewDemo extends ListActivity{ privateTextViewselection; private static final String[] items={"lorem", "ipsum", "dolor","sit", "amet", "consectetuer", "adipiscing", "elit", "morbi", "vel", "ligula", "vitae", "arcu", "aliquet", "mollis", … }; @Override public voidonCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.main); setListAdapter(newArrayAdapter<String>(this, android.R.layout.simple_list_item_1, items)); selection=(TextView)findViewById(R.id.selection); } public void onListItemClick(ListView parent, View v, intposition,longid) { selection.setText(items[position]); } }

  13. Wielokrotny wybór • W kodzie:setChoiceMode()CHOICE_MODE_SINGLE CHOICE_MODE_MULTIPLE • W xml:android:choiceMode

  14. <?xml version="1.0" encoding="utf-8"?> <ListView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@android:id/list" android:layout_width="fill_parent" android:layout_height="fill_parent" android:drawSelectorOnTop="false" android:choiceMode="multipleChoice" /> public class ChecklistDemo extends ListActivity { private static final String[] items={"lorem", "ipsum", "dolor", "sit", "amet", "}; @Override public voidonCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.main); setListAdapter(newArrayAdapter<String>(this, android.R.layout.simple_list_item_multiple_choice, items));

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