掃描二維碼---第三方
阿新 • • 發佈:2018-11-17
佈局一個button’按鈕
MainActivity
package wanghuiqi.bawie.com.qr_code;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
import com.uuzuche.lib_zxing.activity.CaptureActivity;
import com.uuzuche.lib_zxing.activity.CodeUtils;
import com.uuzuche.lib_zxing.activity.ZXingLibrary;
public class MainActivity extends AppCompatActivity { private Button mQrCode; private int REQUEST_CODE=1; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mQrCode = findViewById(R.id.QR_code); ZXingLibrary.initDisplayOpinion(this); //開啟預設掃描二維碼頁面 mQrCode.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent=new Intent(MainActivity.this,CaptureActivity.class); startActivityForResult(intent,REQUEST_CODE); } }); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); //處理二維碼掃描結果 if (requestCode==REQUEST_CODE){ //處理掃描結果(在頁面上顯示) if (null!=data){ Bundle bundle = data.getExtras(); if (bundle==null){ return; } if (bundle.getInt(CodeUtils.RESULT_TYPE)==CodeUtils.RESULT_SUCCESS){ String result = bundle.getString(CodeUtils.RESULT_STRING); Toast.makeText(MainActivity.this , "解析結果:"+result, Toast.LENGTH_SHORT).show(); }else if(bundle.getInt(CodeUtils.RESULT_TYPE)==CodeUtils.RESULT_FAILED){ Toast.makeText(MainActivity.this, "解析二維碼失敗", Toast.LENGTH_SHORT).show(); } } } } }
許可權
<uses-permission android:name="android.permission.CAMERA" /> <uses-permission android:name="android.permission.FLASHLIGHT" /> <uses-feature android:name="android.hardware.camera" /> <uses-feature android:name="android.hardware.camera.autofocus" /> <uses-permission android:name="android.permission.VIBRATE" /> <uses-permission android:name="android.permission.WAKE_LOCK" /> <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.INTERNET" />
依賴
compile 'cn.yipianfengye.android:zxing-library:2.2'