View之AutoCompleteView

AutoCompleteView

2016/1/29 17:40:29

1. 主布局

<?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">    <Button            android:id="@+id/btn_compelete1"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:text="普通"    />    <Button            android:id="@+id/btn_contacts"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:text="联系人"    />    <Button            android:id="@+id/btn_multiple"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:text="多项选择"    /></LinearLayout>

2. AutoComplete

2.1 布局

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"     android:orientation="vertical"    android:layout_width="match_parent"     android:layout_height="wrap_content">    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="Type in the text field for auto-complete" />    <LinearLayout        android:orientation="horizontal"        android:layout_width="match_parent"        android:layout_height="wrap_content">        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="Country" />        <AutoCompleteTextView android:id="@+id/edit"            android:layout_width="match_parent"            android:layout_height="wrap_content"/>    </LinearLayout>    <Button            android:onClick="focus"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="focus" /></LinearLayout>

2.2 实现

public class AutoComplete1 extends Activity {    private AutoCompleteTextView textView;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.autocomplete_1);        //数据源        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,                android.R.layout.simple_dropdown_item_1line, COUNTRIES);        textView = (AutoCompleteTextView) findViewById(R.id.edit);        //加载数据        textView.setAdapter(adapter);        //监听文本变化        textView.addTextChangedListener(new TextWatcher() {            @Override            public void beforeTextChanged(CharSequence s, int start, int count, int after) {            }            @Override            public void onTextChanged(CharSequence s, int start, int before, int count) {            }            @Override            public void afterTextChanged(Editable s) {                Toast.makeText(AutoComplete1.this,s.toString(),Toast.LENGTH_SHORT).show();            }        });    }    public void focus(View view) {        Toast.makeText(this,textView.getText().toString(),Toast.LENGTH_SHORT).show();    }    static final String[] COUNTRIES = new String[] {    "Afghanistan", "Albania", "Algeria", "American Samoa", "Andorra",    "Angola", "Anguilla", "Antarctica", "Antigua and Barbuda", "Argentina",    "Armenia", "Aruba", "Australia", "Austria", "Azerbaijan",    "Bahrain", "Bangladesh", "Barbados", "Belarus", "Belgium",    "Belize", "Benin", "Bermuda", "Bhutan", "Bolivia",    "Bosnia and Herzegovina", "Botswana", "Bouvet Island", "Brazil", "British Indian Ocean Territory",    "British Virgin Islands", "Brunei", "Bulgaria", "Burkina Faso", "Burundi",    "Cote d'Ivoire", "Cambodia", "Cameroon", "Canada", "Cape Verde",    "Cayman Islands", "Central African Republic", "Chad", "Chile", "China",    "Christmas Island", "Cocos (Keeling) Islands", "Colombia", "Comoros", "Congo",    "Cook Islands", "Costa Rica", "Croatia", "Cuba", "Cyprus", "Czech Republic",    "Democratic Republic of the Congo", "Denmark", "Djibouti", "Dominica", "Dominican Republic",    "East Timor", "Ecuador", "Egypt", "El Salvador", "Equatorial Guinea", "Eritrea",    "Estonia", "Ethiopia", "Faeroe Islands", "Falkland Islands", "Fiji", "Finland",    "Former Yugoslav Republic of Macedonia", "France", "French Guiana", "French Polynesia",    "French Southern Territories", "Gabon", "Georgia", "Germany", "Ghana", "Gibraltar",    "Greece", "Greenland", "Grenada", "Guadeloupe", "Guam", "Guatemala", "Guinea", "Guinea-Bissau",    "Guyana", "Haiti", "Heard Island and McDonald Islands", "Honduras", "Hong Kong", "Hungary",    "Iceland", "India", "Indonesia", "Iran", "Iraq", "Ireland", "Israel", "Italy", "Jamaica",    "Japan", "Jordan", "Kazakhstan", "Kenya", "Kiribati", "Kuwait", "Kyrgyzstan", "Laos",    "Latvia", "Lebanon", "Lesotho", "Liberia", "Libya", "Liechtenstein", "Lithuania", "Luxembourg",    "Macau", "Madagascar", "Malawi", "Malaysia", "Maldives", "Mali", "Malta", "Marshall Islands",    "Martinique", "Mauritania", "Mauritius", "Mayotte", "Mexico", "Micronesia", "Moldova",    "Monaco", "Mongolia", "Montserrat", "Morocco", "Mozambique", "Myanmar", "Namibia",    "Nauru", "Nepal", "Netherlands", "Netherlands Antilles", "New Caledonia", "New Zealand",    "Nicaragua", "Niger", "Nigeria", "Niue", "Norfolk Island", "North Korea", "Northern Marianas",    "Norway", "Oman", "Pakistan", "Palau", "Panama", "Papua New Guinea", "Paraguay", "Peru",    "Philippines", "Pitcairn Islands", "Poland", "Portugal", "Puerto Rico", "Qatar",    "Reunion", "Romania", "Russia", "Rwanda", "Sqo Tome and Principe", "Saint Helena",    "Saint Kitts and Nevis", "Saint Lucia", "Saint Pierre and Miquelon",    "Saint Vincent and the Grenadines", "Samoa", "San Marino", "Saudi Arabia", "Senegal",    "Seychelles", "Sierra Leone", "Singapore", "Slovakia", "Slovenia", "Solomon Islands",    "Somalia", "South Africa", "South Georgia and the South Sandwich Islands", "South Korea",    "Spain", "Sri Lanka", "Sudan", "Suriname", "Svalbard and Jan Mayen", "Swaziland", "Sweden",    "Switzerland", "Syria", "Taiwan", "Tajikistan", "Tanzania", "Thailand", "The Bahamas",    "The Gambia", "Togo", "Tokelau", "Tonga", "Trinidad and Tobago", "Tunisia", "Turkey",    "Turkmenistan", "Turks and Caicos Islands", "Tuvalu", "Virgin Islands", "Uganda",    "Ukraine", "United Arab Emirates", "United Kingdom",    "United States", "United States Minor Outlying Islands", "Uruguay", "Uzbekistan",    "Vanuatu", "Vatican City", "Venezuela", "Vietnam", "Wallis and Futuna", "Western Sahara",    "Yemen", "Yugoslavia", "Zambia", "Zimbabwe"    };}

2.3 效果

3. Contacts

3.1 布局

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="match_parent"    android:layout_height="wrap_content">    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="Type in the text field for auto-complete" />    <LinearLayout        android:orientation="horizontal"        android:layout_width="match_parent"        android:layout_height="wrap_content">        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="Name:" />        <AutoCompleteTextView android:id="@+id/edit"            android:completionThreshold="1"            android:layout_width="match_parent"            android:layout_height="wrap_content"/>    </LinearLayout>    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="@string/autocomplete_4_message" /></LinearLayout>

3.2 实现

public class AutoComplete4 extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.autocomplete_4);        ContentResolver content = getContentResolver();        Cursor cursor = content.query(Contacts.CONTENT_URI,                CONTACT_PROJECTION, null, null, null);        ContactListAdapter adapter = new ContactListAdapter(this, cursor);        AutoCompleteTextView textView = (AutoCompleteTextView)                findViewById(R.id.edit);        textView.setAdapter(adapter);        textView.setOnItemClickListener(new AdapterView.OnItemClickListener() {            @Override            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {                //获取条目绑定的视图对象                Toast.makeText(AutoComplete4.this,((TextView)view).getText().toString(),Toast.LENGTH_SHORT).show();            }        });    }    // XXX compiler bug in javac 1.5.0_07-164, we need to implement Filterable    // to make compilation work    public static class ContactListAdapter extends CursorAdapter implements Filterable {        public ContactListAdapter(Context context, Cursor c) {            super(context, c);            mContent = context.getContentResolver();        }        @Override        public View newView(Context context, Cursor cursor, ViewGroup parent) {            final LayoutInflater inflater = LayoutInflater.from(context);            final TextView view = (TextView) inflater.inflate(                    android.R.layout.simple_dropdown_item_1line, parent, false);            view.setText(cursor.getString(COLUMN_DISPLAY_NAME));            return view;        }        @Override        public void bindView(View view, Context context, Cursor cursor) {            ((TextView) view).setText(cursor.getString(COLUMN_DISPLAY_NAME));        }        @Override        public String convertToString(Cursor cursor) {            return cursor.getString(COLUMN_DISPLAY_NAME);        }        @Override        public Cursor runQueryOnBackgroundThread(CharSequence constraint) {            FilterQueryProvider filter = getFilterQueryProvider();            if (filter != null) {                return filter.runQuery(constraint);            }            Uri uri = Uri.withAppendedPath(                    Contacts.CONTENT_FILTER_URI,                    Uri.encode(constraint.toString()));            return mContent.query(uri, CONTACT_PROJECTION, null, null, null);        }        private ContentResolver mContent;    }    public static final String[] CONTACT_PROJECTION = new String[] {        Contacts._ID,        Contacts.DISPLAY_NAME    };    private static final int COLUMN_DISPLAY_NAME = 1;}

3.3 效果

4. Multiple Items

4.1 布局

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"     android:orientation="vertical"    android:layout_width="match_parent"     android:layout_height="wrap_content">    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="@string/autocomplete_7_instructions" />    <LinearLayout        android:orientation="horizontal"        android:layout_width="match_parent"        android:layout_height="wrap_content">        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="@string/autocomplete_7_country" />        <MultiAutoCompleteTextView android:id="@+id/edit"            android:layout_width="match_parent"            android:layout_height="wrap_content"/>    </LinearLayout>    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="@string/autocomplete_7_focus" /></LinearLayout>

4.2 实现

public class AutoComplete6 extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.autocomplete_6);        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,                android.R.layout.simple_dropdown_item_1line, COUNTRIES);        MultiAutoCompleteTextView textView = (MultiAutoCompleteTextView) findViewById(R.id.edit);        textView.setAdapter(adapter);        textView.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());    }    static final String[] COUNTRIES = new String[] {    "Afghanistan", "Albania", "Algeria", "American Samoa", "Andorra",    "Angola", "Anguilla", "Antarctica", "Antigua and Barbuda", "Argentina",    "Armenia", "Aruba", "Australia", "Austria", "Azerbaijan",    "Bahrain", "Bangladesh", "Barbados", "Belarus", "Belgium",    "Belize", "Benin", "Bermuda", "Bhutan", "Bolivia",    "Bosnia and Herzegovina", "Botswana", "Bouvet Island", "Brazil", "British Indian Ocean Territory",    "British Virgin Islands", "Brunei", "Bulgaria", "Burkina Faso", "Burundi",    "Cote d'Ivoire", "Cambodia", "Cameroon", "Canada", "Cape Verde",    "Cayman Islands", "Central African Republic", "Chad", "Chile", "China",    "Christmas Island", "Cocos (Keeling) Islands", "Colombia", "Comoros", "Congo",    "Cook Islands", "Costa Rica", "Croatia", "Cuba", "Cyprus", "Czech Republic",    "Democratic Republic of the Congo", "Denmark", "Djibouti", "Dominica", "Dominican Republic",    "East Timor", "Ecuador", "Egypt", "El Salvador", "Equatorial Guinea", "Eritrea",    "Estonia", "Ethiopia", "Faeroe Islands", "Falkland Islands", "Fiji", "Finland",    "Former Yugoslav Republic of Macedonia", "France", "French Guiana", "French Polynesia",    "French Southern Territories", "Gabon", "Georgia", "Germany", "Ghana", "Gibraltar",    "Greece", "Greenland", "Grenada", "Guadeloupe", "Guam", "Guatemala", "Guinea", "Guinea-Bissau",    "Guyana", "Haiti", "Heard Island and McDonald Islands", "Honduras", "Hong Kong", "Hungary",    "Iceland", "India", "Indonesia", "Iran", "Iraq", "Ireland", "Israel", "Italy", "Jamaica",    "Japan", "Jordan", "Kazakhstan", "Kenya", "Kiribati", "Kuwait", "Kyrgyzstan", "Laos",    "Latvia", "Lebanon", "Lesotho", "Liberia", "Libya", "Liechtenstein", "Lithuania", "Luxembourg",    "Macau", "Madagascar", "Malawi", "Malaysia", "Maldives", "Mali", "Malta", "Marshall Islands",    "Martinique", "Mauritania", "Mauritius", "Mayotte", "Mexico", "Micronesia", "Moldova",    "Monaco", "Mongolia", "Montserrat", "Morocco", "Mozambique", "Myanmar", "Namibia",    "Nauru", "Nepal", "Netherlands", "Netherlands Antilles", "New Caledonia", "New Zealand",    "Nicaragua", "Niger", "Nigeria", "Niue", "Norfolk Island", "North Korea", "Northern Marianas",    "Norway", "Oman", "Pakistan", "Palau", "Panama", "Papua New Guinea", "Paraguay", "Peru",    "Philippines", "Pitcairn Islands", "Poland", "Portugal", "Puerto Rico", "Qatar",    "Reunion", "Romania", "Russia", "Rwanda", "Sqo Tome and Principe", "Saint Helena",    "Saint Kitts and Nevis", "Saint Lucia", "Saint Pierre and Miquelon",    "Saint Vincent and the Grenadines", "Samoa", "San Marino", "Saudi Arabia", "Senegal",    "Seychelles", "Sierra Leone", "Singapore", "Slovakia", "Slovenia", "Solomon Islands",    "Somalia", "South Africa", "South Georgia and the South Sandwich Islands", "South Korea",    "Spain", "Sri Lanka", "Sudan", "Suriname", "Svalbard and Jan Mayen", "Swaziland", "Sweden",    "Switzerland", "Syria", "Taiwan", "Tajikistan", "Tanzania", "Thailand", "The Bahamas",    "The Gambia", "Togo", "Tokelau", "Tonga", "Trinidad and Tobago", "Tunisia", "Turkey",    "Turkmenistan", "Turks and Caicos Islands", "Tuvalu", "Virgin Islands", "Uganda",    "Ukraine", "United Arab Emirates", "United Kingdom",    "United States", "United States Minor Outlying Islands", "Uruguay", "Uzbekistan",    "Vanuatu", "Vatican City", "Venezuela", "Vietnam", "Wallis and Futuna", "Western Sahara",    "Yemen", "Yugoslavia", "Zambia", "Zimbabwe"    };}

4.3 效果