//classpath 'com.github.dcendents:android-maven-gradle-plugin:2.0' 导入依赖的时候首先在不是app下的build而是整个项目的build 里边的dependencies插入一个这个依赖
在这里插入代码片
package com.example.dell_pc.day06lx5;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import com.google.zxing.WriterException;
import com.yzq.zxinglibrary.android.CaptureActivity;
import com.yzq.zxinglibrary.encode.CodeCreator;
public class MainActivity extends AppCompatActivity {
private ImageView img;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button scewm=findViewById(R.id.scewm);
Button sys= findViewById(R.id.sys);
final EditText sr=findViewById(R.id.sr);
img = findViewById(R.id.img);
sys.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent=new Intent(MainActivity.this, CaptureActivity.class);
startActivityForResult(intent,RESULT_OK);
}
});
scewm.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
String srr = sr.getText().toString().trim();
//生成不加图片的,就不用写这一句话了
Bitmap bitma1=BitmapFactory.decodeResource(getResources(),R.mipmap.ic_launcher);
try {
Bitmap bitmap2= CodeCreator.createQRCode(srr,200,200,bitma1);
img.setImageBitmap(bitmap2);
} catch (WriterException e) {
e.printStackTrace();
}
}
});
}
}
二维码生成,加扫描
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转载自blog.csdn.net/qq_42787251/article/details/82972356
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