Java Code Examples for android.widget.EditText#setFilters()

/**
 * Ensures that the given `EditText` component will have a maximum length as specified
 *
 * @param editText the `EditText` component
 * @param maxLength the maximum length to guarantee
 * @param existingInputFilters a list of existing input filters to keep
 */
public static void setMaxLength(final EditText editText, final int maxLength, final InputFilter[] existingInputFilters) {
	final InputFilter[] allInputFilters;

	if (existingInputFilters == null) {
		allInputFilters = new InputFilter[1];
		allInputFilters[0] = new InputFilter.LengthFilter(maxLength);
	}
	else {
		allInputFilters = new InputFilter[existingInputFilters.length+1];

		for (int i = 0; i < allInputFilters.length; i++) {
			if (i < existingInputFilters.length) {
				allInputFilters[i] = existingInputFilters[i];
			}
			else {
				allInputFilters[i] = new InputFilter.LengthFilter(maxLength);
			}
		}
	}

	editText.setFilters(allInputFilters);
}
 

/**
 * Init number picker by disabling focusability of edit text embedded inside the number picker
 * We also override the edit text filter private attribute by using reflection as the formatter is still buggy while attempting to display the default value
 * This is still an open Google @see <a href="https://code.google.com/p/android/issues/detail?id=35482#c9">issue</a> from 2012
 */
private void initView() {
    setMinValue(MIN_VALUE);
    setMaxValue(MAX_VALUE);
    setValue(DEFAULT_VALUE);
    setBackgroundColor(BACKGROUND_COLOR);
    setSeparatorColor(SEPARATOR_COLOR);
    setTextColor(TEXT_COLOR);
    setTextSize(TEXT_SIZE);
    setWrapSelectorWheel(false);
    setFocusability(false);

    try {
        Field f = NumberPicker.class.getDeclaredField("mInputText");
        f.setAccessible(true);
        EditText inputText = (EditText)f.get(this);
        inputText.setFilters(new InputFilter[0]);
    } catch (NoSuchFieldException | IllegalAccessException | IllegalArgumentException e) {
        e.printStackTrace();
    }
}
 

/**
 * 限制中文字符的长度
 */
public static void lengthChineseFilter(@NonNull final EditText editText, final int length) {
    InputFilter[] filters = new InputFilter[1];

    filters[0] = new InputFilter.LengthFilter(length) {
        public CharSequence filter(
                CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
            // 可以检查中文字符
            boolean isChinese = StringUtil.checkNameChinese(source.toString());
            if (!isChinese || dest.toString().length() >= length) {
                return "";
            }
            return source;
        }
    };
    editText.setFilters(filters);
}
 

/**
 * Init number picker by disabling focusability of edit text embedded inside the number picker
 * We also override the edit text filter private attribute by using reflection as the formatter
 * is
 * still buggy while attempting to display the default value
 * This is still an open Google @see <a href="https://code.google.com/p/android/issues/detail?id=35482#c9">issue</a>
 * from 2012
 */
private void initView() {
    setMinValue(MIN_VALUE);
    setMaxValue(MAX_VALUE);
    setValue(DEFAULT_VALUE);
    setBackgroundColor(BACKGROUND_COLOR);
    setSeparatorColor(SEPARATOR_COLOR);
    setTextColor(TEXT_COLOR);
    setTextSize(TEXT_SIZE);
    setWrapSelectorWheel(false);
    setFocusability(false);

    try {
        Field f = NumberPicker.class.getDeclaredField("mInputText");
        f.setAccessible(true);
        EditText inputText = (EditText) f.get(this);
        inputText.setFilters(new InputFilter[0]);
    } catch (NoSuchFieldException | IllegalAccessException | IllegalArgumentException e) {
        e.printStackTrace();
    }
}
 

private void showNewTweetDialog() {
    final EditText tweetText = new EditText(this);
    tweetText.setId(R.id.tweet_text);
    tweetText.setSingleLine();
    tweetText.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_FLAG_CAP_SENTENCES);
    tweetText.setFilters(new InputFilter[]{new InputFilter.LengthFilter(140)});
    tweetText.setImeOptions(EditorInfo.IME_ACTION_DONE);

    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setMessage(R.string.label_what_is_happening);
    builder.setPositiveButton(R.string.action_tweet, (dialog, which) -> presenter.tweet(tweetText.getText().toString()));

    AlertDialog alert = builder.create();
    alert.setView(tweetText, 64, 0, 64, 0);
    alert.show();

    tweetText.setOnEditorActionListener((v, actionId, event) -> {
        if (actionId == EditorInfo.IME_ACTION_DONE) {
            alert.getButton(DialogInterface.BUTTON_POSITIVE).callOnClick();
            return true;
        }
        return false;
    });
}
 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.compose_message, container, false);

    mSetPictureButton = (ImageButton)view.findViewById(R.id.compose_message_set_picture_button);
    mPictureThumbnail = (ImageView)view.findViewById(R.id.compose_message_picture_thumbnail);
    mContentEdit = (EditText)view.findViewById(R.id.compose_message_content_edit);
    mSendButton = (ImageButton)view.findViewById(R.id.compose_message_send_button);

    mSetPictureButton.setOnClickListener(this);

    mPictureThumbnail.setVisibility(View.GONE);
    mPictureThumbnail.setOnClickListener(this);
    registerForContextMenu(mPictureThumbnail);

    InputFilter[] filters = new InputFilter[1];
    filters[0] = new InputFilter.LengthFilter(Protocol.MAX_MESSAGE_LENGTH);
    mContentEdit.setFilters(filters);
    mContentEdit.setOnEditorActionListener(this);

    mSendButton.setOnClickListener(this);

    return view;
}
 

public static void showSearchDialog(Context context, String keyWord, final OnSearchListener listener) {

        int top = DisplayUtil.dip2px(context, 20f);
        int left = DisplayUtil.dip2px(context, 26f);

        FrameLayout frameLayout = new FrameLayout(context);
        frameLayout.setLayoutParams(LayoutUtil.newFrameLayoutParams(
                ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
        frameLayout.setPadding(left, top, left, 0);

        int topPadding = DisplayUtil.dip2px(context, 10);
        int leftPadding = DisplayUtil.dip2px(context, 4);
        final EditText editText = new EditText(context);
        editText.setPadding(leftPadding, topPadding, leftPadding, topPadding);
        editText.setTextSize(15);
        editText.setText(keyWord);
        editText.setLayoutParams(LayoutUtil.newViewGroupParams(
                ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
        editText.setSingleLine(true);
        editText.setFilters(new InputFilter[]{ new InputFilter.LengthFilter(50)});
        editText.setHint("请输入搜索的关键字");
        ViewUtil.setInputType(editText, com.sky.xposed.common.Constant.InputType.TEXT);
        frameLayout.addView(editText);

        AlertDialog.Builder builder = new AlertDialog.Builder(context);
        builder.setTitle("搜索");
        builder.setView(frameLayout);
        builder.setPositiveButton("搜索", (dialog, which) -> {
            // 返回文本的内容
            listener.onSearch(editText.getText().toString());
        });
        builder.setNegativeButton("取消", null);
        builder.show();
    }
 

private SingleEmojiTrait(final EditText editText) {
  this.editText = editText;

  final List<InputFilter> filters = new ArrayList<>(Arrays.asList(editText.getFilters()));
  filters.add(new OnlyEmojisInputFilter());
  editText.setFilters(filters.toArray(new InputFilter[0]));
  editText.addTextChangedListener(this);
}
 

protected void setupEditText(EditText editText) {
	editText.setInputType(InputType.TYPE_NULL);
	editText.setFilters(filters);
	editText.setOnTouchListener(touchListener);
	editText.setTransformationMethod(PasswordTransformationMethod
			.getInstance());
}
 

@Override
public View getView(View convertView) {
    View view;
    EditTextHolder holder;
    
    if (convertView == null) {
        ViewGroup rowRoot = (ViewGroup) inflater.inflate(R.layout.listview_row_integer_positive_or_zero, null);
        TextView label = (TextView) rowRoot.findViewById(R.id.text_label);
        EditText editText = (EditText) rowRoot.findViewById(R.id.edit_integer_pos_row);
        editText.setFilters(new InputFilter[]{new InpFilter()});
        
        EditTextWatcher watcher = new EditTextWatcher(field);
        editText.addTextChangedListener(watcher);
        
        holder = new EditTextHolder(label, editText, watcher);
        rowRoot.setTag(holder);
        view = rowRoot;
    } else {
        view = convertView;
        holder = (EditTextHolder) view.getTag();
    }

    RowCosmetics.setTextLabel(field, holder.textLabel);
    
    holder.textWatcher.setField(field);
    holder.editText.addTextChangedListener(holder.textWatcher);
    holder.editText.setText(field.getValue());
    holder.editText.clearFocus();
    holder.editText.setOnEditorActionListener(mOnEditorActionListener);

    if(readOnly){
        holder.editText.setEnabled(false);
    } else {
        holder.editText.setEnabled(true);
    }
    return view;
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_mms_enter);


    final EditText qrMms=(EditText) findViewById(R.id.editTel);
    final EditText qrText=(EditText) findViewById(R.id.editText1);
    Button generate=(Button) findViewById(R.id.generate);

    int maxLength = 15;
    qrMms.setFilters(new InputFilter[] {new InputFilter.LengthFilter(maxLength)});

    int maxLength2 = 300;
    qrText.setFilters(new InputFilter[] {new InputFilter.LengthFilter(maxLength2)});


    generate.setOnClickListener(new View.OnClickListener() {
        String result;
        @Override
        public void onClick(View v) {

            result = qrMms.getText().toString()+":"+qrText.getText().toString();
            Intent i = new Intent(MmsEnterActivity.this, QrGeneratorDisplayActivity.class);
            i.putExtra("gn", result);
            i.putExtra("type", Contents.Type.MMS);
            startActivity(i);
        }
    });
}
 

/**
 * Set a PinBox with all attributes
 *
 * @param editText to set attributes
 */
private void setStylePinBox(EditText editText) {
    editText.setFilters(new InputFilter[]{new InputFilter.LengthFilter(mNumberCharacters)});

    if (mMaskPassword) {
        editText.setTransformationMethod(PasswordTransformationMethod.getInstance());
    }
    else{
        editText.setTransformationMethod(HideReturnsTransformationMethod.getInstance());
    }

    if (mNativePinBox) {
        if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.JELLY_BEAN) {
            //noinspection deprecation
            editText.setBackgroundDrawable(new EditText(getContext()).getBackground());
        } else {
            editText.setBackground(new EditText(getContext()).getBackground());
        }
    } else {
        editText.setBackgroundResource(mCustomDrawablePinBox);
    }

    if (mColorTextPinBoxes != PinViewSettings.DEFAULT_TEXT_COLOR_PIN_BOX) {
        editText.setTextColor(mColorTextPinBoxes);
    }
    editText.setTextSize(PinViewUtils.convertPixelToDp(getContext(), mTextSizePinBoxes));
}
 

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    if (item.getItemId() == android.R.id.home) {
        finish();
        return true;
    } else if (item.getItemId() == R.id.edit_br_nav_done) {
        (confirmationDialog = new ConfirmationDialog(this, HTMLUtil.getHTML(R.string.edit_br_profile_confirmation), () -> {
            showManualOverlay();
            List<ConfigurationBlock> blocks = new ArrayList<>();
            blocks.add(nameBlock);
            profileBlock.setProfileBlocks(FixedSizeProfileBlock.convertToRelative(profileBlocks));
            blocks.add(profileBlock);
            WriteConfigurationTaskRunner taskRunner = new WriteConfigurationTaskRunner(getServiceConnector(), blocks);
            showLoadingIndicator();
            taskRunner.fetch(this);
        })).show();
    } else if (item.getItemId() == R.id.edit_br_nav_edit_name) {
        EditText editName = new EditText(this);
        editName.setInputType(InputType.TYPE_CLASS_TEXT);
        editName.setFilters(new InputFilter[] {new InputFilter.LengthFilter(21)});
        editName.setText(nameBlock.getName());
        AlertDialog alertDialog = new AlertDialog.Builder(this)
                .setTitle(R.string.edit_name)
                .setMessage(R.string.leave_empty_for_default_value)
                .setView(editName)
                .setPositiveButton(R.string.okay, ((dialog, which) -> {
                    nameBlock.setName(editName.getText().toString());
                    adjustTitle();
                }))
                .setNegativeButton(R.string.cancel, null)
                .create();
        alertDialog.show();
    }
    return super.onOptionsItemSelected(item);
}
 

/**
 * Inits the views.
 */
private void initViews() {
	etInputCaptchaCode_farget = (EditText) findViewById(R.id.etInputCaptchaCode_farget);
	btnReGetCaptchaCode_farget = (Button) findViewById(R.id.btnReGetCaptchaCode_farget);
	CaptchaCode_Loading = (ProgressBar) findViewById(R.id.CaptchaCode_Loading);
	//
	tvDialog = (TextView) findViewById(R.id.tvDialog);
	etName = (EditText) findViewById(R.id.etName);
	etInputCode = (EditText) findViewById(R.id.etInputCode);
	etInputPsw = (EditText) findViewById(R.id.etInputPsw);
	etInputEmail = (EditText) findViewById(R.id.etInputEmail);
	btnGetCode = (Button) findViewById(R.id.btnGetCode);
	btnReGetCode = (Button) findViewById(R.id.btnReGetCode);
	btnSure = (Button) findViewById(R.id.btnSure);
	btnSureEmail = (Button) findViewById(R.id.btnSureEmail);
	btnPhoneReset = (Button) findViewById(R.id.btnPhoneReset);
	btnEmailReset = (Button) findViewById(R.id.btnEmailReset);
	llInputMenu = (LinearLayout) findViewById(R.id.llInputMenu);
	llInputPhone = (LinearLayout) findViewById(R.id.llInputPhone);
	rlInputEmail = (RelativeLayout) findViewById(R.id.rlInputEmail);
	rlDialog = (RelativeLayout) findViewById(R.id.rlDialog);
	ivBack = (ImageView) findViewById(R.id.ivBack);
	tbPswFlag = (ToggleButton) findViewById(R.id.tbPswFlag);
	toogleUI(ui_statu.DEFAULT);
	dialog = new ProgressDialog(this);
	dialog.setMessage("处理中，请稍候...");

	MyInputFilter filter = new MyInputFilter();
	etInputPsw.setFilters(new InputFilter[] { filter });
}
 

public UDEditText setMaxLength(Integer maxLength) {
    EditText view = getView();
    if (view != null && maxLength != null) {
        view.setFilters(new InputFilter[]{new InputFilter.LengthFilter(maxLength)});
    }
    return this;
}
 

private void addSpaceHandler(EditText et) {
    final InputFilter filter = (source, start, end, dest, dstart, dend) -> {
        for (int i = start; i < end; i++) {
            if (Character.isWhitespace(source.charAt(i))) {
                tryAddSuggestion();
                return "";
            }
        }
        return null;
    };
    et.setFilters(new InputFilter[]{filter});
}
 

protected void setupPinItem(EditText item){
    item.setInputType(InputType.TYPE_NULL); 
    item.setFilters(filters); 
    item.setOnTouchListener(otl);
    item.setTransformationMethod(PasswordTransformationMethod.getInstance());
}
 

@Before
public void setUp() {
  editText = new EditText(buildActivity(Activity.class).create().get());
  editText.setFilters(new InputFilter[] {new MaxInputValidator(10)});
}
 

public void init() {
    LayoutInflater inflater = LayoutInflater.from(context);
    View view = inflater.inflate(R.layout.layout_custom_dialog, null);
    setContentView(view);
    txtTitle = (TextView) view.findViewById(R.id.dialog_input_title);
    editMessage = (EditText) view.findViewById(R.id.dialog_input_dialog_edit);
    btnPostive = (TextView) view.findViewById(R.id.dialog_input_dialog_postive);
    btnNegative = (TextView) view.findViewById(R.id.dialog_input_dialog_negative);
    cacheCheck = (CheckBox) view.findViewById(R.id.dialog_input_check);

    cacheCheck.setChecked(cache);

    if (postiveButtonVisiable) {
        btnPostive.setVisibility(View.VISIBLE);
    } else {
        btnPostive.setVisibility(View.GONE);
    }
    if (negativeButtonVisiable) {
        btnNegative.setVisibility(View.VISIBLE);
    } else {
        btnNegative.setVisibility(View.GONE);
    }

    if (TextUtils.isEmpty(title)) {
        txtTitle.setVisibility(View.GONE);
    } else {
        txtTitle.setVisibility(View.VISIBLE);
        txtTitle.setText(title);
    }
    editMessage.setText(input);
    if (input != null) {
        editMessage.setSelection(input.length());
    }
    if (!TextUtils.isEmpty(hintInput)) {
        editMessage.setHint(hintInput);
    }
    btnPostive.setText(postiveText);
    btnNegative.setText(negativeText);
    btnPostive.setOnClickListener(new OnButtonClickListener());
    btnNegative.setOnClickListener(new OnButtonClickListener());
    InputFilter[] filters = {new InputFilter.LengthFilter(maxLength)};
    editMessage.setFilters(filters);
    Window dialogWindow = getWindow();
    WindowManager.LayoutParams lp = dialogWindow.getAttributes();
    DisplayMetrics d = context.getResources().getDisplayMetrics(); // 获取屏幕宽、高用
    lp.width = (int) (d.widthPixels * 0.8); // 宽度设置为屏幕的0.8
    dialogWindow.setAttributes(lp);
}
 

public  void setProhibitEmoji(EditText et)
{
    InputFilter[] filters = { getInputFilterProhibitEmoji() ,getInputFilterProhibitSP()};
    et.setFilters(filters);
}