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新增labelTextWidth

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This commit is contained in:
Jenly
2021-01-14 17:48:49 +08:00
parent 69acfca413
commit 2c1938a69d
3 changed files with 12 additions and 1 deletions
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1
app/src/main/res/layout/custom_activity.xml
View File

@@ -13,6 +13,7 @@
android:id="@+id/viewfinderView"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:labelTextWidth="180dp"
app:labelText="@string/tips_scan_code"
app:labelTextSize="@dimen/size_14sp"
app:laserColor="@color/colorAccent"

11
lib/src/main/java/com/king/zxing/ViewfinderView.java
View File

@@ -95,6 +95,10 @@ public class ViewfinderView extends View {
* 提示文本与扫码框的边距
*/
private float labelTextPadding;
/**
* 提示文本的宽度
*/
private int labelTextWidth;
/**
* 提示文本的位置
*/
@@ -288,6 +292,7 @@ public class ViewfinderView extends View {
labelTextColor = array.getColor(R.styleable.ViewfinderView_labelTextColor, ContextCompat.getColor(context,R.color.viewfinder_text_color));
labelTextSize = array.getDimension(R.styleable.ViewfinderView_labelTextSize, TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP,14f,getResources().getDisplayMetrics()));
labelTextPadding = array.getDimension(R.styleable.ViewfinderView_labelTextPadding,TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,24,getResources().getDisplayMetrics()));
labelTextWidth = array.getDimensionPixelSize(R.styleable.ViewfinderView_labelTextWidth,0);
labelTextLocation = TextLocation.getFromInt(array.getInt(R.styleable.ViewfinderView_labelTextLocation,0));
// isShowResultPoint = array.getBoolean(R.styleable.ViewfinderView_showResultPoint,false);
@@ -361,6 +366,10 @@ public class ViewfinderView extends View {
frameHeight = size;
}
if(labelTextWidth <= 0){
labelTextWidth = width - getPaddingLeft() - getPaddingRight();
}
float leftOffsets = (width - frameWidth) / 2 + framePaddingLeft - framePaddingRight;
float topOffsets = (height - frameHeight) / 2 + framePaddingTop - framePaddingBottom;
switch (frameGravity){
@@ -420,7 +429,7 @@ public class ViewfinderView extends View {
textPaint.setColor(labelTextColor);
textPaint.setTextSize(labelTextSize);
textPaint.setTextAlign(Paint.Align.CENTER);
StaticLayout staticLayout = new StaticLayout(labelText,textPaint,canvas.getWidth(), Layout.Alignment.ALIGN_NORMAL,1.0f,0.0f,true);
StaticLayout staticLayout = new StaticLayout(labelText,textPaint,labelTextWidth, Layout.Alignment.ALIGN_NORMAL,1.2f,0.0f,true);
if(labelTextLocation == TextLocation.BOTTOM){
canvas.translate(frame.left + frame.width() / 2,frame.bottom + labelTextPadding);
}else{

1
lib/src/main/res/values/attrs.xml
View File

@@ -8,6 +8,7 @@
<attr name="labelTextColor" format="color"/>
<attr name="labelTextSize" format="dimension"/>
<attr name="labelTextPadding" format="dimension"/>
<attr name="labelTextWidth" format="dimension"/>
<attr name="labelTextLocation" format="enum">
<enum name="top" value="0"/>
<enum name="bottom" value="1"/>