二维码扫描

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.example.bwie.mynewactivity">    <application        android:allowBackup="true"        android:icon="@mipmap/ic_launcher"        android:label="@string/app_name"        android:supportsRtl="true"        android:theme="@style/AppTheme">        <activity android:name=".MainActivity">            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>    </application>
</manifest>
package com.example.bwie.mynewactivity;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.CheckBox;import android.widget.EditText;import android.widget.ImageView;import android.widget.TextView;import com.xys.libzxing.zxing.activity.CaptureActivity;import com.xys.libzxing.zxing.encoding.EncodingUtils;public class MainActivity extends AppCompatActivity {    private TextView mTv_Ruslet;    private EditText mInput;    private ImageView mImg;    private CheckBox isLogo;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        mTv_Ruslet = (TextView) findViewById(R.id.tv_ruselt);        mInput = (EditText) findViewById(R.id.et_text);        mImg = (ImageView) findViewById(R.id.img);        isLogo = (CheckBox) findViewById(R.id.is_logo);    }    /**     * 生成二维码     */    public void make(View view) {        String input = mInput.getText().toString().trim();        //生成二维码，然后为二维码增加logo        Bitmap bitmap = EncodingUtils.createQRCode(input, 500, 500,                isLogo.isChecked() ? BitmapFactory.decodeResource(getResources(),                        R.mipmap.ic_launcher) : null        );        mImg.setImageBitmap(bitmap);    }    /**     * 扫描二维码     */    public void scan(View view) {        startActivityForResult(new Intent(MainActivity.this, CaptureActivity.class), 0);    }    @Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {        super.onActivityResult(requestCode, resultCode, data);        if (resultCode == RESULT_OK) {            Bundle bundle = data.getExtras();            String result = bundle.getString("result");            mTv_Ruslet.setText(result);            mInput.setText(result);        } else if (resultCode == RESULT_CANCELED) {            mTv_Ruslet.setText("扫描出错");        }    }}