android 调用蓝牙打印机（ESC/POS 热敏打印机）打印小票和图片

其中对蓝牙配对和连接打印功能进行了封装，可以快速实现蓝牙打印功能

package com.xmwdkk.boothprint;

import android.Manifest;
import android.bluetooth.BluetoothAdapter;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.TextView;

import com.xmwdkk.boothprint.base.AppInfo;
import com.xmwdkk.boothprint.bt.BluetoothActivity;
import com.xmwdkk.boothprint.print.PrintMsgEvent;
import com.xmwdkk.boothprint.print.PrintUtil;
import com.xmwdkk.boothprint.print.PrinterMsgType;
import com.xmwdkk.boothprint.util.ToastUtil;

import de.greenrobot.event.EventBus;

/***
 *  Created by liugruirong on 2017/8/3.
 */
public class MainActivity extends BluetoothActivity implements View.OnClickListener {

     TextView tv_bluename;
     TextView tv_blueadress;
      boolean mBtEnable = true;
    int PERMISSION_REQUEST_COARSE_LOCATION=2;
    /**
     * bluetooth adapter
     */
    BluetoothAdapter mAdapter;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        tv_bluename =findViewById(R.id.tv_bluename);
        tv_blueadress =findViewById(R.id.tv_blueadress);
        findViewById(R.id.button4).setOnClickListener(this);
        findViewById(R.id.button5).setOnClickListener(this);
        findViewById(R.id.button6).setOnClickListener(this);
        findViewById(R.id.button).setOnClickListener(this);
        //6.0以上的手机要地理位置权限
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            requestPermissions(new String[]{Manifest.permission.ACCESS_COARSE_LOCATION}, PERMISSION_REQUEST_COARSE_LOCATION);
        }
        EventBus.getDefault().register(MainActivity.this);

    }

    @Override
    protected void onStart() {
        super.onStart();
        BluetoothController.init(this);
    }




    @Override
    public void btStatusChanged(Intent intent) {
        super.btStatusChanged(intent);
        BluetoothController.init(this);
    }



    @Override
    public void onClick(View view) {
        switch (view.getId()){
            case R.id.button4:
             startActivity(new Intent(MainActivity.this,SearchBluetoothActivity.class));
                break;
            case R.id.button5:
                if (TextUtils.isEmpty(AppInfo.btAddress)){
                    ToastUtil.showToast(MainActivity.this,"请连接蓝牙...");
                    startActivity(new Intent(MainActivity.this,SearchBluetoothActivity.class));
                }else {
                    if ( mAdapter.getState()==BluetoothAdapter.STATE_OFF ){//蓝牙被关闭时强制打开
                         mAdapter.enable();
                        ToastUtil.showToast(MainActivity.this,"蓝牙被关闭请打开...");
                    }else {
                        ToastUtil.showToast(MainActivity.this,"打印测试...");
                        Intent intent = new Intent(getApplicationContext(), BtService.class);
                        intent.setAction(PrintUtil.ACTION_PRINT_TEST);
                        startService(intent);
                    }

                }
                break;
            case R.id.button6:
                if (TextUtils.isEmpty(AppInfo.btAddress)){
                    ToastUtil.showToast(MainActivity.this,"请连接蓝牙...");
                    startActivity(new Intent(MainActivity.this,SearchBluetoothActivity.class));
                }else {
                    ToastUtil.showToast(MainActivity.this,"打印测试...");
                    Intent intent2 = new Intent(getApplicationContext(), BtService.class);
                    intent2.setAction(PrintUtil.ACTION_PRINT_TEST_TWO);
                    startService(intent2);

                }
                case R.id.button:
                if (TextUtils.isEmpty(AppInfo.btAddress)){
                    ToastUtil.showToast(MainActivity.this,"请连接蓝牙...");
                    startActivity(new Intent(MainActivity.this,SearchBluetoothActivity.class));
                }else {
                    ToastUtil.showToast(MainActivity.this,"打印图片...");
                    Intent intent2 = new Intent(getApplicationContext(), BtService.class);
                    intent2.setAction(PrintUtil.ACTION_PRINT_BITMAP);
                    startService(intent2);

                }
//                startActivity(new Intent(MainActivity.this,TextActivity.class));
                break;
        }

    }
    /**
     * handle printer message
     *
     * @param event print msg event
     */
    public void onEventMainThread(PrintMsgEvent event) {
        if (event.type == PrinterMsgType.MESSAGE_TOAST) {
            ToastUtil.showToast(MainActivity.this,event.msg);
        }
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        EventBus.getDefault().register(MainActivity.this);
    }
}

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资源文件列表

.idea/compiler.xml , 686
.idea/copyright/profiles_settings.xml , 74
.idea/gradle.xml , 626
.idea/inspectionProfiles/Project_Default.xml , 664
.idea/inspectionProfiles/profiles_settings.xml , 235
.idea/misc.xml , 2644
.idea/modules.xml , 363
.idea/runConfigurations.xml , 564
app/.gitignore , 7
app/BAFC4CD2975405DE05F7FCE0247A5893.jpg , 64995
app/build.gradle , 979
app/proguard-rules.pro , 949
app/src/androidTest/java/com/xmwdkk/boothprint/ExampleInstrumentedTest.java , 746
app/src/main/AndroidManifest.xml , 1429
app/src/main/assets/demo.bmp , 64995
app/src/main/assets/icon_empty_bg.bmp , 37054
app/src/main/java/com/xmwdkk/boothprint/BluetoothController.java , 2002
app/src/main/java/com/xmwdkk/boothprint/BtService.java , 4514
app/src/main/java/com/xmwdkk/boothprint/MainActivity.java , 4924
app/src/main/java/com/xmwdkk/boothprint/SearchBleAdapter.java , 5799
app/src/main/java/com/xmwdkk/boothprint/SearchBluetoothActivity.java , 8547
app/src/main/java/com/xmwdkk/boothprint/TextActivity.java , 337
app/src/main/java/com/xmwdkk/boothprint/base/App.java , 300
app/src/main/java/com/xmwdkk/boothprint/base/AppInfo.java , 1644
app/src/main/java/com/xmwdkk/boothprint/bt/BluetoothActivity.java , 2291
app/src/main/java/com/xmwdkk/boothprint/bt/BtInterface.java , 1116
app/src/main/java/com/xmwdkk/boothprint/bt/BtMsgReadEvent.java , 395
app/src/main/java/com/xmwdkk/boothprint/bt/BtService.java , 18469
app/src/main/java/com/xmwdkk/boothprint/bt/BtUtil.java , 2459
app/src/main/java/com/xmwdkk/boothprint/print/GPrinterCommand.java , 1589
app/src/main/java/com/xmwdkk/boothprint/print/PrintMsgEvent.java , 286
app/src/main/java/com/xmwdkk/boothprint/print/PrintPic.java , 5190
app/src/main/java/com/xmwdkk/boothprint/print/PrintQueue.java , 5225
app/src/main/java/com/xmwdkk/boothprint/print/PrintUtil.java , 4068
app/src/main/java/com/xmwdkk/boothprint/print/PrinterMsgType.java , 259
app/src/main/java/com/xmwdkk/boothprint/printutil/PrintDataMaker.java , 202
app/src/main/java/com/xmwdkk/boothprint/printutil/PrintOrderDataMaker.java , 5036
app/src/main/java/com/xmwdkk/boothprint/printutil/PrinterUtils.java , 27156
app/src/main/java/com/xmwdkk/boothprint/printutil/PrinterWriter.java , 19095
app/src/main/java/com/xmwdkk/boothprint/printutil/PrinterWriter58mm.java , 982
app/src/main/java/com/xmwdkk/boothprint/printutil/PrinterWriter80mm.java , 983
app/src/main/java/com/xmwdkk/boothprint/util/ToastUtil.java , 624
app/src/main/res/drawable/demo.jpg , 64995
app/src/main/res/layout/activity_main.xml , 2739
app/src/main/res/layout/activity_searchbooth.xml , 1273
app/src/main/res/layout/adapter_bt_device.xml , 1920
app/src/main/res/mipmap-hdpi/ic_launcher.png , 3418
app/src/main/res/mipmap-hdpi/ic_launcher_round.png , 4208
app/src/main/res/mipmap-mdpi/demo.jpg , 64995
app/src/main/res/mipmap-mdpi/ic_launcher.png , 2206
app/src/main/res/mipmap-mdpi/ic_launcher_round.png , 2555
app/src/main/res/mipmap-xhdpi/ic_launcher.png , 4842
app/src/main/res/mipmap-xhdpi/ic_launcher_round.png , 6114
app/src/main/res/mipmap-xxhdpi/ic_launcher.png , 7718
app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png , 10056
app/src/main/res/mipmap-xxxhdpi/ic_launcher.png , 10486
app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png , 14696
app/src/main/res/values/colors.xml , 2413
app/src/main/res/values/dimens.xml , 1236
app/src/main/res/values/strings.xml , 73
app/src/main/res/values/styles.xml , 383
app/src/test/java/com/xmwdkk/boothprint/ExampleUnitTest.java , 399
build.gradle , 498
gradle/wrapper/gradle-wrapper.jar , 53636
gradle/wrapper/gradle-wrapper.properties , 230
gradle.properties , 730
gradlew , 4971
gradlew.bat , 2404
image/1.jpg , 60435
image/2.jpg , 29740
image/3.jpg , 17594
settings.gradle , 15