Android Open Source - CenteredContentButton Centered Content Button

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2013 Steelkiwi Development, Julia Zudikova
 * /*from   w ww  .j av  a2  s .  c  om*/
 * 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.
 */

package com.skd.centeredcontentbutton;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Typeface;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;

/*
 * Represents a button-like component with centered content - icon and/or text.
 * Background and icon resources, text value, text style and typeface can be defined in the XML layout file or with set() methods.
 */

public class CenteredContentButton extends RelativeLayout {
  private ImageView iconLeft;
  private ImageView iconRight;
  private TextView text;

  public CenteredContentButton(Context context) {
    super(context);
    init(context, null);
  }

  public CenteredContentButton(Context context, AttributeSet attrs) {
    super(context, attrs);
    init(context, attrs);
  }

  public CenteredContentButton(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
    init(context, attrs);
  }

  private void init(Context context, AttributeSet attrs) {
    LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    inflater.inflate(R.layout.btn_layout, this);

    setGravity(Gravity.CENTER_HORIZONTAL | Gravity.CENTER_VERTICAL);

    iconLeft = (ImageView) findViewById(R.id.btnIconLeft);
    iconRight = (ImageView) findViewById(R.id.btnIconRight);
    text = (TextView) findViewById(R.id.btnText);

    if (attrs == null) {
      return;
    }

    TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.BtnOptions);
    int btnBg = a.getResourceId(R.styleable.BtnOptions_btnBg, 0);
    int btnIconLeft = a.getResourceId(R.styleable.BtnOptions_btnIconLeft, 0);
    int btnIconRight = a.getResourceId(R.styleable.BtnOptions_btnIconRight, 0);
    String btnText = a.getString(R.styleable.BtnOptions_btnText);
    int btnTextStyle = a.getResourceId(R.styleable.BtnOptions_btnTextStyle, 0);
    a.recycle();

    if (btnBg > 0) {
      this.setBackgroundResource(btnBg);
    }

    if (btnIconLeft > 0) {
      iconLeft.setImageResource(btnIconLeft);
      iconLeft.setVisibility(View.VISIBLE);
    }
    else {
      iconLeft.setVisibility(View.GONE);
    }
    
    if (btnIconRight > 0) {
      iconRight.setImageResource(btnIconRight);
      iconRight.setVisibility(View.VISIBLE);
    }
    else {
      iconRight.setVisibility(View.GONE);
    }

    text.setText(btnText);
    if (btnTextStyle > 0) {
      text.setTextAppearance(getContext(), btnTextStyle);
      text.setVisibility(View.VISIBLE);
    }
    else {
      text.setVisibility(View.GONE);
    }
  }

  public String getText() {
    return text.getText().toString();
  }

  public void setText(String txt) {
    text.setText(txt);
  }

  public void setTypeFace(Typeface font) {
    text.setTypeface(font);
  }

  public void setTextStyle(int styleID) {
    text.setTextAppearance(getContext(), styleID);
  }

  public void setLeftIcon(int drawableId) {
    if (drawableId > 0) {
      iconLeft.setImageResource(drawableId);
      iconLeft.setVisibility(View.VISIBLE);
    }
    else {
      iconLeft.setVisibility(View.GONE);
    }
  }

  public void setRightIcon(int drawableId) {
    if (drawableId > 0) {
      iconRight.setImageResource(drawableId);
      iconRight.setVisibility(View.VISIBLE);
    }
    else {
      iconRight.setVisibility(View.GONE);
    }
  }

}

Java Source Code List

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