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二维码

使用第三方包实现二维码扫描,生成不带log的二维码,和生成带log的二维码

包见文件library_qrcode

xml:

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<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical"    tools:context="fanggao.qf.qrcode.MainActivity">    <Button        android:id="@+id/btn_scan"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="扫描二维码"        android:onClick="onClick"/>    <Button        android:id="@+id/btn_create_qrcode"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="生成二维码"        android:onClick="onClick"/>    <Button        android:id="@+id/btn_create_qrcode_log"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="生成带log的二维码"        android:onClick="onClick"/>    <ImageView        android:id="@+id/image"        android:layout_width="wrap_content"        android:layout_height="wrap_content" /></LinearLayout>
View Code

main:

public class MainActivity extends Activity {    private ImageView image;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);         image = (ImageView) findViewById(R.id.image);    }    public void onClick(View view){        switch (view.getId()){            case R.id.btn_scan://开启扫描                //开启一个扫描的activity                Intent intent = new Intent(MainActivity.this, CaptureActivity.class);                startActivityForResult(intent,106);                break;            case R.id.btn_create_qrcode://生成二维码                    /*                String content, 二维码的内容                Context context,                Bitmap logo,  二维码中的logo                int hightAndWidth   宽高*/                Bitmap bitmap = EncodingHandler.enCodeStringWithLogo("你好.t啊", MainActivity.this, null, 200);                image.setImageBitmap(bitmap);                break;            case R.id.btn_create_qrcode_log:                Bitmap bitmap1 = BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher);                image.setImageBitmap(EncodingHandler.enCodeStringWithLogo("你好啊",MainActivity.this,bitmap1,200));                break;        }    }    @Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {        if(requestCode == 106 && resultCode == RESULT_OK && data != null){            //获取数据信息            String result = data.getStringExtra("result");            Toast.makeText(MainActivity.this, result, Toast.LENGTH_SHORT).show();        }    }}

效果:
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二维码