Android UI之三个Button按钮仿Iphone效果

中间一期项目开发中遇到了三个Button在一起的UI设计效果,之前第一手解决方案是RelativeLayout中嵌套Button,在Button之间放置竖线来实现这种效果,如图所示:

                                                                                                            

布局代码如下:

   <LinearLayout
        style="@style/StyleContentsSearchPriceLinear"
        android:layout_toLeftOf="@id/PosMainLeftModuleAddBtn" >

        <Button
            android:id="@+id/PosMainLeftModuleCutBtn"
            style="@style/StyleContentsLinearOneBtn" />

        <TextView style="@style/StyleContentHLineText" />

        <Button
            android:id="@+id/PosMainLeftModuleSearchBtn"
            style="@style/StyleContentsLinearTwoBtn" />
    </LinearLayout>

        很累赘的样式,但是多少效果也是大致实现了,但是还有个坑爹的地方是,那种效果你必须要到Java中进行声明并去改变,还好只有两个,万一哪天UI大婶给你来十来个,嘿嘿...

         以上方式不建议使用,毕竟不符合Android轻量化的开发模式,对于后期维护也是比较坑组织的选择。下面介绍一个连体Button,GitHub上面的开源项目,具体地址找不到了,我了个去,这智商...

      按照惯例先放置效果图:

Android UI之三个Button按钮仿Iphone效果_第1张图片

 

     上面有两种效果,第一种是文字样式的三个在一起的Button,第二个是图片样式的连体Button。首先来介绍第一种样式的吧,连体Button通过RedioButton来实现的:

import android.content.Context;
import android.util.AttributeSet;
import android.widget.RadioGroup;

public class SegmentedRadioGroup extends RadioGroup {

	public SegmentedRadioGroup(Context context) {
		super(context);
	}

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

	@Override
	protected void onFinishInflate() {
		super.onFinishInflate();
		changeButtonsImages();
	}

	private void changeButtonsImages(){
		int count = super.getChildCount();

		if(count > 1){
			super.getChildAt(0).setBackgroundResource(com.makeramen.segmented.R.drawable.segment_radio_left);
			for(int i=1; i < count-1; i++){
				super.getChildAt(i).setBackgroundResource(com.makeramen.segmented.R.drawable.segment_radio_middle);
			}
			super.getChildAt(count-1).setBackgroundResource(com.makeramen.segmented.R.drawable.segment_radio_right);
		}else if (count == 1){
			super.getChildAt(0).setBackgroundResource(com.makeramen.segmented.R.drawable.segment_button);
		}
	}
}

          之前的博客写过一个自定义换行的自定义大小布局样式,看这个毫无压力吧,changeButtonsImages()方法看懂就OK了。

    有了自定义RedioGroup就可以来写XML布局样式了:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <com.makeramen.segmented.SegmentedRadioGroup
        android:id="@+id/segment_text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="5dip"
        android:checkedButton="@+id/button_one"
        android:orientation="horizontal" >

        <RadioButton
            android:id="@id/button_one"
            android:button="@null"
            android:gravity="center"
            android:minHeight="33dip"
            android:minWidth="40dip"
            android:text="One"
            android:textAppearance="?android:attr/textAppearanceSmall"
            android:textColor="@color/radio_colors" />

        <RadioButton
            android:id="@+id/button_two"
            android:button="@null"
            android:gravity="center"
            android:minHeight="33dip"
            android:minWidth="40dip"
            android:text="Two"
            android:textAppearance="?android:attr/textAppearanceSmall"
            android:textColor="@color/radio_colors" />

        <RadioButton
            android:id="@+id/button_three"
            android:button="@null"
            android:gravity="center"
            android:minHeight="33dip"
            android:minWidth="40dip"
            android:text="Three"
            android:textAppearance="?android:attr/textAppearanceSmall"
            android:textColor="@color/radio_colors" />
    </com.makeramen.segmented.SegmentedRadioGroup>

</LinearLayout>


Activity实现效果:

public class SegmentedRadioActivity extends Activity implements OnCheckedChangeListener {

	SegmentedRadioGroup segmentText;
	Toast mToast;

	/** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        segmentText = (SegmentedRadioGroup) findViewById(R.id.segment_text);
        segmentText.setOnCheckedChangeListener(this);
    }
    
	public void onCheckedChanged(RadioGroup group, int checkedId) {
		if (group == segmentText) {
			if (checkedId == R.id.button_one) {
				mToast.setText("One");
				mToast.show();
			} else if (checkedId == R.id.button_two) {
				mToast.setText("Two");
				mToast.show();
			} else if (checkedId == R.id.button_three) {
				mToast.setText("Three");
				mToast.show();
			}
		} 
      }  
}
查工作的来了,闪,稍后继续!!! 

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