二维码扫描并跳转

版权声明：本文为宠歆小王子的原创文章，未经宠歆小王子允许不得转载。 https://blog.csdn.net/qq_41698379/article/details/82526640

appliction

public class MyApplication extends Application {
    @Override
    public void onCreate() {
        super.onCreate();
        ZXingLibrary.initDisplayOpinion(this);
    }
}

main

public class MainActivity extends AppCompatActivity {

    /**
     * 扫描跳转Activity RequestCode
     */
    public static final int REQUEST_CODE = 111;
    /**
     * 扫描跳转按钮
     */
    private Button btn=null;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        btn=findViewById(R.id.btn);
        btn.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) {
        /**
         * 处理二维码扫描结果
         */
        if (requestCode == REQUEST_CODE) {
            //处理扫描结果（在界面上显示）
            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);
                    //用默认浏览器打开扫描得到的地址
                    Intent intent = new Intent();
                    intent.setAction("android.intent.action.VIEW");
                    Uri content_url = Uri.parse(result.toString());
                    intent.setData(content_url);
                    startActivity(intent);
                } else if (bundle.getInt(CodeUtils.RESULT_TYPE)
                        == CodeUtils.RESULT_FAILED) {
                    Toast.makeText(MainActivity.this,
                            "解析二维码失败", Toast.LENGTH_LONG).show();
                }
            }
        }
    }

}

xml

 <Button
        android:id="@+id/btn"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="点击扫描"
        />