resize TextView for new size - Android User Interface

Android examples for User Interface:TextView

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Description

resize TextView for new size

Demo Code

/*/*  w  w  w . j a v a  2 s .  com*/
 * Copyright (C) 2012 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 android.content.res.Resources;
import android.graphics.Outline;
import android.graphics.Paint;
import android.util.TypedValue;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewOutlineProvider;
import android.widget.ListView;
import android.widget.TextView;

public class Main{
    public static void resizeText(TextView textView, int originalTextSize,
            int minTextSize) {
        final Paint paint = textView.getPaint();
        final int width = textView.getWidth();
        if (width == 0)
            return;
        textView.setTextSize(TypedValue.COMPLEX_UNIT_PX, originalTextSize);
        float ratio = width
                / paint.measureText(textView.getText().toString());
        if (ratio <= 1.0f) {
            textView.setTextSize(TypedValue.COMPLEX_UNIT_PX,
                    Math.max(minTextSize, originalTextSize * ratio));
        }
    }
}

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