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[java] view plain copy print?维维码zebra源码分析书籍
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="/apk/res/android"
xmlns:tools="/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="org.mobiletrain.qrwriter.MainActivity">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="generate"
android:text="çæäºç»´ç "/>
<ImageView
android:id="@+id/iv"
android:layout_width="dp"
android:layout_height="dp"
android:layout_centerInParent="true"/>
</RelativeLayout>
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[java] view plain copy print?
private Bitmap generateBitmap(String content,int width, int height) {
QRCodeWriter qrCodeWriter = new QRCodeWriter();
Map<EncodeHintType, String> hints = new HashMap<>();
hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
try {
BitMatrix encode = qrCodeWriter.encode(content, BarcodeFormat.QR_CODE, width, height, hints);
int[] pixels = new int[width * height];
for (int i = 0; i < height; i++) {
for (int j = 0; j < width; j++) {
if (encode.get(j, i)) {
pixels[i * width + j] = 0x;
} else {
pixels[i * width + j] = 0xffffffff;
}
}
}
return Bitmap.createBitmap(pixels, 0, width, width, height, Bitmap.Config.RGB_);
} catch (WriterException e) {
e.printStackTrace();
}
return null;
}
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[java] view plain copy print?
public void generate(View view) {
Bitmap qrBitmap = generateBitmap("",, );
iv.setImageBitmap(qrBitmap);
}