Applies the given style to a range of the input CharSequence. - Android android.text

Android examples for android.text:SpannableString

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Description

Applies the given style to a range of the input CharSequence.

Demo Code

/*// w w  w .jav  a2 s.  c o m
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import com.android.contacts.test.NeededForTesting;
import android.database.CharArrayBuffer;
import android.graphics.Typeface;
import android.text.SpannableString;
import android.text.style.StyleSpan;
import java.util.Arrays;

public class Main{
    /**
     * Applies the given style to a range of the input CharSequence.
     * @param style The style to apply (see the style constants in {@link Typeface}).
     * @param input The CharSequence to style.
     * @param start Starting index of the range to style (will be clamped to be a minimum of 0).
     * @param end Ending index of the range to style (will be clamped to a maximum of the input
     *     length).
     * @param flags Bitmask for configuring behavior of the span.  See {@link android.text.Spanned}.
     * @return The styled CharSequence.
     */
    public static CharSequence applyStyleToSpan(int style,
            CharSequence input, int start, int end, int flags) {
        // Enforce bounds of the char sequence.
        start = Math.max(0, start);
        end = Math.min(input.length(), end);
        SpannableString text = new SpannableString(input);
        text.setSpan(new StyleSpan(style), start, end, flags);
        return text;
    }
}

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