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Add progress text in middle of view #45

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12 changes: 12 additions & 0 deletions ...gressbar-example/src/main/java/com/mikhaellopez/circularprogressbarsample/MainActivity.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ class MainActivity : AppCompatActivity() {
shadeSlider.onColorChanged {
circularProgressBar.progressBarColor = it
circularProgressBar.backgroundProgressBarColor = adjustAlpha(it, 0.3f)
circularProgressBar.progressTextColor = it
}
switchRoundBorder.onCheckedChange { circularProgressBar.roundBorder = it }
switchProgressDirection.onCheckedChange {
Expand All @@ -39,6 +40,13 @@ class MainActivity : AppCompatActivity() {
// Indeterminate Mode
switchIndeterminateMode.onCheckedChange { circularProgressBar.indeterminateMode = it }
circularProgressBar.onIndeterminateModeChangeListener = { switchIndeterminateMode.isChecked = it }

switchShowProgressText.onCheckedChange {
circularProgressBar.shouldShowProgressText = it
}
seekBarTextSize.onProgressChanged {
circularProgressBar.progressTextSize = it + MIN_TEXT_SIZE
}
}

//region Extensions
Expand Down Expand Up @@ -91,4 +99,8 @@ class MainActivity : AppCompatActivity() {
return Color.argb(alpha, red, green, blue)
}

companion object {
const val MIN_TEXT_SIZE = 50
}

}
35 changes: 35 additions & 0 deletions circularprogressbar-example/src/main/res/layout/activity_main.xml
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Expand Up @@ -165,6 +165,41 @@

</LinearLayout>

<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:orientation="horizontal"
android:paddingStart="15dp"
android:paddingEnd="15dp">

<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginEnd="10dp"
android:layout_marginRight="10dp"
android:layout_weight="1"
android:text="@string/show_progress_text"
android:textColor="@color/primary"
android:textSize="14sp"
android:textStyle="bold" />

<androidx.appcompat.widget.SwitchCompat
android:id="@+id/switchShowProgressText"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />

</LinearLayout>

<SeekBar
android:id="@+id/seekBarTextSize"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:max="100"
android:maxHeight="20dp"
android:minHeight="20dp"
android:progress="0" />

</LinearLayout>

</LinearLayout>
1 change: 1 addition & 0 deletions circularprogressbar-example/src/main/res/values/strings.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -8,5 +8,6 @@
<string name="round_border">Round border</string>
<string name="left">Left</string>
<string name="right">Right</string>
<string name="show_progress_text">Show progress text</string>

</resources>
57 changes: 57 additions & 0 deletions ...ularprogressbar/src/main/java/com/mikhaellopez/circularprogressbar/CircularProgressBar.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ import android.animation.ValueAnimator
import android.content.Context
import android.content.res.Resources
import android.graphics.*
import android.os.Build
import android.os.Handler
import android.util.AttributeSet
import android.view.View
Expand All @@ -20,6 +21,7 @@ class CircularProgressBar(context: Context, attrs: AttributeSet? = null) : View(
private const val DEFAULT_MAX_VALUE = 100f
private const val DEFAULT_START_ANGLE = 270f
private const val DEFAULT_ANIMATION_DURATION = 1500L
private const val DEFAULT_TEXT_SIZE = 30
}

// Properties
Expand Down Expand Up @@ -149,6 +151,31 @@ class CircularProgressBar(context: Context, attrs: AttributeSet? = null) : View(
}
var onProgressChangeListener: ((Float) -> Unit)? = null
var onIndeterminateModeChangeListener: ((Boolean) -> Unit)? = null

private val textPaint = Paint()
private val canvasRect = Rect()
var progressTextColor: Int = Color.BLACK
set(value) {
field = value
textPaint.color = field
invalidate()
}
var progressTextSize: Float = DEFAULT_TEXT_SIZE.toFloat()
set(value) {
field = value
invalidate()
}

var shouldShowProgressText: Boolean = false
set(value) {
field = value
invalidate()
}
var textTypeFace: Typeface? = null
set(value) {
field = value
invalidate()
}
//endregion

//region Indeterminate Mode
Expand Down Expand Up @@ -228,6 +255,17 @@ class CircularProgressBar(context: Context, attrs: AttributeSet? = null) : View(
// Indeterminate Mode
indeterminateMode = attributes.getBoolean(R.styleable.CircularProgressBar_cpb_indeterminate_mode, indeterminateMode)

//should draw progress text
shouldShowProgressText = attributes.getBoolean(R.styleable.CircularProgressBar_cpb_show_progress_text, false)
progressTextColor = attributes.getInt(R.styleable.CircularProgressBar_cpb_text_color, progressBarColor)
progressTextSize = attributes.getDimensionPixelSize(R.styleable.CircularProgressBar_cpb_text_size, DEFAULT_TEXT_SIZE).toFloat()
val fontResId = attributes.getResourceId(R.styleable.CircularProgressBar_cpb_text_typeface, 0)
if (fontResId != 0) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
textTypeFace = resources.getFont(fontResId)
}
}

attributes.recycle()
}

Expand Down Expand Up @@ -256,6 +294,25 @@ class CircularProgressBar(context: Context, attrs: AttributeSet? = null) : View(
val angle = (if (isToRightFromIndeterminateMode || isToRightFromNormalMode) 360 else -360) * realProgress / 100

canvas.drawArc(rectF, if (indeterminateMode) startAngleIndeterminateMode else startAngle, angle, false, foregroundPaint)
drawProgressText(canvas)
}

private fun drawProgressText(canvas: Canvas) {
if (shouldShowProgressText) {
val progressString = "${progress.toInt()}%"
canvas.getClipBounds(canvasRect)
val cHeight = canvasRect.height()
val cWidth = canvasRect.width()
textPaint.textAlign = Paint.Align.LEFT
textPaint.getTextBounds(progressString, 0, progressString.length, canvasRect)
val xPos = cWidth / 2f - canvasRect.width() / 2f - canvasRect.left
val yPos = cHeight / 2f + canvasRect.height() / 2f - canvasRect.bottom

textPaint.color = progressTextColor
textPaint.textSize = progressTextSize
textTypeFace?.let { textPaint.typeface = textTypeFace }
canvas.drawText(progressString, xPos, yPos, textPaint)
}
}

override fun setBackgroundColor(backgroundColor: Int) {
Expand Down
4 changes: 4 additions & 0 deletions circularprogressbar/src/main/res/values/attrs.xml
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Expand Up @@ -29,5 +29,9 @@
<flag name="to_right" value="1" />
<flag name="to_left" value="2" />
</attr>
<attr name="cpb_show_progress_text" format="boolean" />
<attr name="cpb_text_color" format="color" />
<attr name="cpb_text_size" format="dimension" />
<attr name="cpb_text_typeface" format="reference" />
</declare-styleable>
</resources>