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import android.annotation.TargetApi; | |
import android.content.Context; | |
import android.content.res.TypedArray; | |
import android.graphics.Color; | |
import android.graphics.Paint; | |
import android.os.Build; | |
import android.util.AttributeSet; | |
import android.util.Log; | |
import android.view.View; | |
import android.view.ViewGroup; | |
import android.widget.TextView; | |
public class HorizontalBarViewGroup extends ViewGroup { | |
float mValue = 0f; | |
int mFillWidth = 0; | |
int mEmptyWidth = 0; | |
int mTextWidth = 0; | |
String mText = ""; | |
int mEmptyColor; | |
int mFillColor; | |
int mEmptyTextColor; | |
int mFillTextColor; | |
int mTextSize = 15; | |
int mTextPadding = mTextSize; | |
Paint p = new Paint(Paint.ANTI_ALIAS_FLAG); | |
View mFillChild; | |
View mEmptyChild; | |
TextView mTextChild; | |
public HorizontalBarViewGroup(Context context, AttributeSet attrs) { | |
super(context, attrs); | |
init(context, attrs); | |
} | |
public HorizontalBarViewGroup(Context context, AttributeSet attrs, int defStyleAttr) { | |
super(context, attrs, defStyleAttr); | |
init(context, attrs); | |
} | |
public HorizontalBarViewGroup(Context context) { | |
super(context); | |
} | |
@TargetApi(Build.VERSION_CODES.LOLLIPOP) | |
public HorizontalBarViewGroup(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { | |
super(context, attrs, defStyleAttr, defStyleRes); | |
init(context, attrs); | |
} | |
private void init(Context context, AttributeSet attrs) { | |
TypedArray a = context.getTheme().obtainStyledAttributes( | |
attrs, | |
R.styleable.HorizontalBarViewGroup, | |
0, 0 | |
); | |
String fontPath = null; | |
try { | |
mEmptyColor = a.getColor(R.styleable.HorizontalBarViewGroup_vg_emptyColor, Color.GRAY); | |
mFillColor = a.getColor(R.styleable.HorizontalBarViewGroup_vg_fillColor, Color.BLUE); | |
mEmptyTextColor = a.getColor(R.styleable.HorizontalBarViewGroup_vg_emptyTextColor, Color.BLACK); | |
mFillTextColor = a.getColor(R.styleable.HorizontalBarViewGroup_vg_fillTextColor, Color.WHITE); | |
mTextSize = a.getDimensionPixelSize(R.styleable.HorizontalBarViewGroup_vg_textSize, mTextSize); | |
mText = a.getString(R.styleable.HorizontalBarViewGroup_vg_text); | |
mTextPadding = a.getDimensionPixelSize(R.styleable.HorizontalBarViewGroup_vg_textPadding, mTextPadding); | |
mValue = a.getFloat(R.styleable.HorizontalBarViewGroup_vg_fillPercentage, mValue); | |
fontPath = a.getString(R.styleable.HorizontalBarViewGroup_vg_fontPath); | |
if (mText == null) { | |
mText = ""; | |
} | |
p.setTextSize(mTextSize); | |
mTextWidth = (int) p.measureText(mText); | |
} finally { | |
// release the TypedArray so that it can be reused. | |
a.recycle(); | |
} | |
} | |
@Override | |
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { | |
int totalWidth = MeasureSpec.getSize(widthMeasureSpec); | |
int totalHeight = heightMeasureSpec; | |
if (mFillChild == null) { | |
mFillChild = getChildAt(0); | |
mFillChild.setBackgroundColor(mFillColor); | |
} | |
if (mEmptyChild == null) { | |
mEmptyChild = getChildAt(1); | |
mEmptyChild.setBackgroundColor(mEmptyColor); | |
} | |
if (mTextChild == null) { | |
mTextChild = (TextView) getChildAt(2); | |
} | |
//This is the bar fill | |
mFillWidth = (int) (totalWidth * (mValue / 100f)); | |
if (mFillChild != null) { | |
mFillChild.measure( | |
MeasureSpec.makeMeasureSpec(mFillWidth, MeasureSpec.EXACTLY), | |
totalHeight); | |
} | |
mEmptyWidth = totalWidth - mFillWidth; | |
if (mEmptyChild != null) { | |
mEmptyChild.measure( | |
MeasureSpec.makeMeasureSpec(mEmptyWidth, MeasureSpec.EXACTLY), | |
totalHeight); | |
} | |
if (mTextChild != null) { | |
mTextChild.setText(mText); | |
mTextChild.measure(widthMeasureSpec, | |
heightMeasureSpec); | |
} | |
setMeasuredDimension(totalWidth, totalHeight); | |
} | |
@Override | |
protected void onLayout(boolean changed, int l, int t, int r, int b) { | |
int prevChildRight = 0; | |
int prevChildBottom = 0; | |
mFillChild.layout(prevChildRight, prevChildBottom, prevChildRight + mFillChild.getMeasuredWidth(), prevChildBottom + mFillChild.getMeasuredHeight()); | |
prevChildRight += mFillChild.getMeasuredWidth(); | |
mEmptyChild.layout(prevChildRight, prevChildBottom, prevChildRight + mEmptyChild.getMeasuredWidth(), prevChildBottom + mEmptyChild.getMeasuredHeight()); | |
int textTop = getMeasuredHeight() / 2 - mTextChild.getMeasuredHeight() / 2; | |
int textWidth = mTextChild.getMeasuredWidth(); | |
if (mFillWidth > (textWidth + mTextPadding * 2)) { | |
mTextChild.setTextColor(mFillTextColor); | |
int left = mFillWidth - (textWidth + mTextPadding); | |
mTextChild.layout(left, | |
textTop, | |
left + mTextChild.getMeasuredWidth(), | |
textTop + mTextChild.getMeasuredHeight()); | |
} else { | |
mTextChild.setTextColor(mEmptyTextColor); | |
int left = mFillWidth + mTextPadding; | |
mTextChild.layout(left, | |
textTop, | |
left + mTextChild.getMeasuredWidth(), | |
textTop + mTextChild.getMeasuredHeight()); | |
} | |
} | |
public void setValue(float value, String strFormat) { | |
mValue = value; | |
if (mValue > 100) { | |
mValue = 0; | |
} | |
mText = String.format(strFormat, value); | |
mTextWidth = (int) p.measureText(mText); | |
requestLayout(); | |
} | |
public float getPercentage() { | |
return mValue; | |
} | |
} |
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<?xml version="1.0" encoding="utf-8"?> | |
<resources> | |
<declare-styleable name="HorizontalBarViewGroup"> | |
<attr name="vg_emptyColor" format="color"/> | |
<attr name="vg_fillColor" format="color"/> | |
<attr name="vg_emptyTextColor" format="color"/> | |
<attr name="vg_fillTextColor" format="color"/> | |
<attr name="vg_textSize" format="dimension"/> | |
<attr name="vg_text" format="string"/> | |
<attr name="vg_textPadding" format="dimension"/> | |
<attr name="vg_fillPercentage" format="float"/> | |
<attr name="vg_fontPath" format="string"/> | |
</declare-styleable> | |
</resources> |
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<com.example.alimuzaffar.perfmatters.customviews.HorizontalBarViewGroup | |
android:id="@+id/custom" | |
android:background="#80FF0000" | |
android:layout_width="wrap_content" | |
app:vg_text="0.00 Filled" | |
app:vg_fillPercentage="0" | |
android:layout_height="35dp"> | |
<com.example.alimuzaffar.perfmatters.customviews.MV | |
android:background="#00FF00" | |
android:layout_width="match_parent" | |
android:layout_height="match_parent"/> | |
<com.example.alimuzaffar.perfmatters.customviews.MV | |
android:background="#0080FF" | |
android:layout_width="match_parent" | |
android:layout_height="match_parent"/> | |
<com.example.alimuzaffar.perfmatters.customviews.MTV | |
android:gravity="center_vertical" | |
android:layout_width="match_parent" | |
android:layout_height="match_parent"/> | |
</com.example.alimuzaffar.perfmatters.customviews.HorizontalBarViewGroup> |
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