Android分段控制设计
如何更改分段控件的文本颜色（如果未选中），请参见下图：
我是这样的（白色颜色中的text）：
想要设计一下（蓝色颜色中的text）：
Why i am getting space between 3 and 4 button ?
XML：
<com.om.go.widget.SegmentedButton
android:id="@+id/segmented"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp"
myapp:gradientColorOnStart="#ffffff"
myapp:gradientColorOnEnd="#ffffff"
myapp:gradientColorOffStart="#016de3"
myapp:gradientColorOffEnd="#016de3"
myapp:textStyle="@style/TextViewStyleHeaderButtonBlue"
myapp:strokeColor="#016de3"
myapp:strokeWidth="1dip"
myapp:cornerRadius="4dip"
myapp:btnPaddingTop="7dip"
myapp:btnPaddingBottom="7dip"
/>
SegmentedButton.java： -
public class SegmentedButton extends LinearLayout {
private StateListDrawable mBgLeftOn;
private StateListDrawable mBgRightOn;
private StateListDrawable mBgCenterOn;
private StateListDrawable mBgLeftOff;
private StateListDrawable mBgRightOff;
private StateListDrawable mBgCenterOff;
private int mSelectedButtonIndex = 0;
private List<String> mButtonTitles = new ArrayList<String>();
private int mColorOnStart;
private int mColorOnEnd;
private int mColorOffStart;
private int mColorOffEnd;
private int mColorSelectedStart;
private int mColorSelectedEnd;
private int mColorStroke;
private int mStrokeWidth;
private int mCornerRadius;
private int mTextStyle;
private int mBtnPaddingTop;
private int mBtnPaddingBottom;
private OnClickListenerSegmentedButton mOnClickListenerExternal;
public SegmentedButton(Context context) {
super(context);
}
public SegmentedButton(Context context, AttributeSet attrs) {
super(context, attrs);
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.SegmentedButton, 0, 0);
CharSequence btnText1 = a.getString(R.styleable.SegmentedButton_btnText1);
CharSequence btnText2 = a.getString(R.styleable.SegmentedButton_btnText2);
if (btnText1 != null) {
mButtonTitles.add(btnText1.toString());
}
if (btnText2 != null) {
mButtonTitles.add(btnText2.toString());
}
mColorOnStart = a.getColor(R.styleable.SegmentedButton_gradientColorOnStart, 0xFF0000);
mColorOnEnd = a.getColor(R.styleable.SegmentedButton_gradientColorOnEnd, 0xFF0000);
mColorOffStart = a.getColor(R.styleable.SegmentedButton_gradientColorOffStart, 0xFF0000);
mColorOffEnd = a.getColor(R.styleable.SegmentedButton_gradientColorOffEnd, 0xFF0000);
mColorStroke = a.getColor(R.styleable.SegmentedButton_strokeColor, 0xFF0000);
mColorSelectedEnd = a.getColor(R.styleable.SegmentedButton_gradientColorSelectedEnd, 0xFF0000);
mColorSelectedStart = a.getColor(R.styleable.SegmentedButton_gradientColorSelectedStart, 0xFF0000);
mStrokeWidth = a.getDimensionPixelSize(R.styleable.SegmentedButton_strokeWidth, 1);
mCornerRadius = a.getDimensionPixelSize(R.styleable.SegmentedButton_cornerRadius, 4);
mTextStyle = a.getResourceId(R.styleable.SegmentedButton_textStyle, -1);
mBtnPaddingTop = a.getDimensionPixelSize(R.styleable.SegmentedButton_btnPaddingTop, 0);
mBtnPaddingBottom = a.getDimensionPixelSize(R.styleable.SegmentedButton_btnPaddingBottom, 0);
a.recycle();
buildDrawables(mColorOnStart, mColorOnEnd, mColorOffStart, mColorOffEnd,
mColorSelectedStart, mColorSelectedEnd, mCornerRadius, mColorStroke,
mStrokeWidth);
if (mButtonTitles.size() > 0) {
_addButtons(new String[mButtonTitles.size()]);
}
}
public void clearButtons() {
removeAllViews();
}
public void addButtons(String ... titles) {
_addButtons(titles);
}
@SuppressWarnings("deprecation")
private void _addButtons(String[] titles) {
for (int i = 0; i < titles.length; i++) {
Button button = new Button(getContext());
button.setText(titles[i]);
button.setTag(new Integer(i));
button.setOnClickListener(mOnClickListener);
if (mTextStyle != -1) {
button.setTextAppearance(getContext(), mTextStyle);
}
if (titles.length == 1) {
// Don't use a segmented button with one button.
return;
} else if (titles.length == 2) {
if (i == 0) {
button.setBackgroundDrawable(mBgLeftOff);
} else {
button.setBackgroundDrawable(mBgRightOn);
}
} else {
if (i == 0) {
button.setBackgroundDrawable(mBgLeftOff);
} else if (i == titles.length-1) {
button.setBackgroundDrawable(mBgRightOn);
} else {
button.setBackgroundDrawable(mBgCenterOn);
}
}
LinearLayout.LayoutParams llp =
new LinearLayout.LayoutParams(
0,
LinearLayout.LayoutParams.WRAP_CONTENT,
1);
addView(button, llp);
button.setPadding(0, mBtnPaddingTop, 0, mBtnPaddingBottom);
}
}
private void buildDrawables(int colorOnStart,
int colorOnEnd,
int colorOffStart,
int colorOffEnd,
int colorSelectedStart,
int colorSelectedEnd,
float crad,
int strokeColor,
int strokeWidth)
{
// top-left, top-right, bottom-right, bottom-left
float[] radiiLeft = new float[] {
crad, crad, 0, 0, 0, 0, crad, crad
};
float[] radiiRight = new float[] {
0, 0, crad, crad, crad, crad, 0, 0
};
float[] radiiCenter = new float[] {
0, 0, 0, 0, 0, 0, 0, 0
};
GradientDrawable leftOn = buildGradientDrawable(colorOnStart, colorOnEnd, strokeWidth, strokeColor);
leftOn.setCornerRadii(radiiLeft);
GradientDrawable leftOff = buildGradientDrawable(colorOffStart, colorOffEnd, strokeWidth, strokeColor);
leftOff.setCornerRadii(radiiLeft);
GradientDrawable leftSelected = buildGradientDrawable(colorSelectedStart, colorSelectedEnd, strokeWidth, strokeColor);
leftSelected.setCornerRadii(radiiLeft);
GradientDrawable rightOn = buildGradientDrawable(colorOnStart, colorOnEnd, strokeWidth, strokeColor);
rightOn.setCornerRadii(radiiRight);
GradientDrawable rightOff = buildGradientDrawable(colorOffStart, colorOffEnd, strokeWidth, strokeColor);
rightOff.setCornerRadii(radiiRight);
GradientDrawable rightSelected = buildGradientDrawable(colorSelectedStart, colorSelectedEnd, strokeWidth, strokeColor);
rightSelected.setCornerRadii(radiiRight);
GradientDrawable centerOn = buildGradientDrawable(colorOnStart, colorOnEnd, strokeWidth, strokeColor);
centerOn.setCornerRadii(radiiCenter);
GradientDrawable centerOff = buildGradientDrawable(colorOffStart, colorOffEnd, strokeWidth, strokeColor);
centerOff.setCornerRadii(radiiCenter);
GradientDrawable centerSelected = buildGradientDrawable(colorSelectedStart, colorSelectedEnd, strokeWidth, strokeColor);
centerSelected.setCornerRadii(radiiCenter);
List<int[]> onStates = buildOnStates();
List<int[]> offStates = buildOffStates();
mBgLeftOn = new StateListDrawable();
mBgRightOn = new StateListDrawable();
mBgCenterOn = new StateListDrawable();
mBgLeftOff = new StateListDrawable();
mBgRightOff = new StateListDrawable();
mBgCenterOff = new StateListDrawable();
for (int[] it : onStates) {
mBgLeftOn.addState(it, leftSelected);
mBgRightOn.addState(it, rightSelected);
mBgCenterOn.addState(it, centerSelected);
mBgLeftOff.addState(it, leftSelected);
mBgRightOff.addState(it, rightSelected);
mBgCenterOff.addState(it, centerSelected);
}
for (int[] it : offStates) {
mBgLeftOn.addState(it, leftOn);
mBgRightOn.addState(it, rightOn);
mBgCenterOn.addState(it, centerOn);
mBgLeftOff.addState(it, leftOff);
mBgRightOff.addState(it, rightOff);
mBgCenterOff.addState(it, centerOff);
}
}
private List<int[]> buildOnStates() {
List<int[]> res = new ArrayList<int[]>();
res.add(new int[] {
android.R.attr.state_focused, android.R.attr.state_enabled});
res.add(new int[] {
android.R.attr.state_focused, android.R.attr.state_selected, android.R.attr.state_enabled});
res.add(new int[] {
android.R.attr.state_pressed});
return res;
}
private List<int[]> buildOffStates() {
List<int[]> res = new ArrayList<int[]>();
res.add(new int[] {
android.R.attr.state_enabled});
res.add(new int[] {
android.R.attr.state_selected, android.R.attr.state_enabled});
return res;
}
private GradientDrawable buildGradientDrawable(int colorStart, int colorEnd, int strokeWidth, int strokeColor) {
GradientDrawable gd = new GradientDrawable(
GradientDrawable.Orientation.TOP_BOTTOM,
new int[] { colorStart, colorEnd });
gd.setShape(GradientDrawable.RECTANGLE);
gd.setStroke(strokeWidth, strokeColor);
return gd;
}
private OnClickListener mOnClickListener = new OnClickListener() {
@Override
public void onClick(View v) {
Button btnNext = (Button)v;
int btnNextIndex = ((Integer)btnNext.getTag()).intValue();
if (btnNextIndex == mSelectedButtonIndex) {
return;
}
handleStateChange(mSelectedButtonIndex, btnNextIndex);
if (mOnClickListenerExternal != null) {
mOnClickListenerExternal.onClick(mSelectedButtonIndex);
}
}
};
@SuppressWarnings("deprecation")
private void handleStateChange(int btnLastIndex, int btnNextIndex) {
int count = getChildCount();
Button btnLast = (Button)getChildAt(btnLastIndex);
Button btnNext = (Button)getChildAt(btnNextIndex);
if (count < 3) {
if (btnLastIndex == 0) {
btnLast.setBackgroundDrawable(mBgLeftOn);
} else {
btnLast.setBackgroundDrawable(mBgRightOn);
}
if (btnNextIndex == 0) {
btnNext.setBackgroundDrawable(mBgLeftOff);
} else {
btnNext.setBackgroundDrawable(mBgRightOff);
}
} else {
if (btnLastIndex == 0) {
btnLast.setBackgroundDrawable(mBgLeftOn);
} else if (btnLastIndex == count-1) {
btnLast.setBackgroundDrawable(mBgRightOn);
} else {
btnLast.setBackgroundDrawable(mBgCenterOn);
}
if (btnNextIndex == 0) {
btnNext.setBackgroundDrawable(mBgLeftOff);
} else if (btnNextIndex == count-1) {
btnNext.setBackgroundDrawable(mBgRightOff);
} else {
btnNext.setBackgroundDrawable(mBgCenterOff);
}
}
btnLast.setPadding(0, mBtnPaddingTop, 0, mBtnPaddingBottom);
btnNext.setPadding(0, mBtnPaddingTop, 0, mBtnPaddingBottom);
mSelectedButtonIndex = btnNextIndex;
}
public int getSelectedButtonIndex() {
return mSelectedButtonIndex;
}
public void setPushedButtonIndex(int index) {
handleStateChange(mSelectedButtonIndex, index);
}
public void setOnClickListener(OnClickListenerSegmentedButton listener) {
mOnClickListenerExternal = listener;
}
public interface OnClickListenerSegmentedButton {
public void onClick(int index);
}
}
0 个答案:
没有答案
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