Xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical"
tools:context=".MainActivity">
<Button
android:id="@+id/btn_code"
android:layout_width="200dp"
android:layout_height="wrap_content"
android:padding="30dp"
android:text="扫一扫" />
<Button
android:id="@+id/btn_creat"
android:layout_width="200dp"
android:layout_height="wrap_content"
android:padding="30dp"
android:text="生成二维码" />
<EditText
android:id="@+id/et_info"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:hint="默认信息" />
<ImageView
android:id="@+id/iv_creat"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
MainActivity.this
package com.example.kanghuwei.zxing_demo;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.Toast;
import com.uuzuche.lib_zxing.activity.CaptureActivity;
import com.uuzuche.lib_zxing.activity.CodeUtils;
import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;
public class MainActivity extends AppCompatActivity {
@BindView(R.id.btn_code)
Button btnCode;
@BindView(R.id.btn_creat)
Button btnCreat;
@BindView(R.id.et_info)
EditText etInfo;
@BindView(R.id.iv_creat)
ImageView ivCreat;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ButterKnife.bind(this);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 100) {
//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);
Toast.makeText(this, "解析结果:" + result, Toast.LENGTH_LONG).show();
} 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();
}
}
}
}
@OnClick({R.id.btn_code, R.id.btn_creat})
public void onViewClicked(View view) {
switch (view.getId()) {
case R.id.btn_code:
Intent intent = new Intent(MainActivity.this, CaptureActivity.class);
startActivityForResult(intent, 100);
break;
case R.id.btn_creat:
String textContent = etInfo.getText().toString();
if (TextUtils.isEmpty(textContent)) {
Toast.makeText(MainActivity.this, "您的输入为空!", Toast.LENGTH_SHORT).show();
return;
}
//etInfo.setText("");
Bitmap mBitmap = CodeUtils.createImage(textContent, 600, 600, BitmapFactory.decodeResource(getResources(), R.drawable.lala));
ivCreat.setImageBitmap(mBitmap);
break;
}
}
}
App类
package com.example.kanghuwei.zxing_demo;
import android.app.Application;
import com.uuzuche.lib_zxing.activity.ZXingLibrary;
public class App extends Application {
@Override
public void onCreate() {
super.onCreate();
ZXingLibrary.initDisplayOpinion(this);
}
}
清单文件
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.kanghuwei.zxing_demo">
<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.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.INTERNET" />
<application
android:name=".App"
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
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>