实例介绍
【实例简介】蓝牙热敏打印机 此工程创建于2014年8月，使用蓝牙和usb传输打印数据，打印数据是将打印内容装换成bitmap，bitmap处理成二值图像。
【实例截图】
【实例截图】
【核心代码】
package com.printshare.ui;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.MessageFormat.Field;
import java.util.ArrayList;
import java.util.List;
import com.print.operationBMP;
import com.printshare.R;
import com.printshare.bluetooth.DeviceListActivity;
import com.printshare.dbtable.PrinterDevicesTable;
import com.printshare.dbtable.PrinterDevicesTable.PrinterDevicesTableData;
import com.printshare.services.BluetoothPrintService;
import com.printshare.services.USBPrintService;
import com.printshare.util.SelectPopupWindow;
import com.printshare.util.Tools;
import com.printsharelib.listview3d.util.ListView3D;
import com.printsharelib.util.BitmapUtil.PrintBitmap;
import com.printsharelib.util.BitmapUtil;
import com.printsharelib.util.XmlFileParse;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.Dialog;
import android.bluetooth.BluetoothAdapter;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.drawable.Drawable.ConstantState;
import android.hardware.usb.UsbDevice;
import android.media.Image;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceManager;
import android.preference.PreferenceScreen;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AlertDialog.Builder;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnLongClickListener;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Gallery.LayoutParams;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
public class AddPrinterDevices extends Activity implements OnClickListener,
OnItemClickListener {
private final String Tag = "ListView3D";
private final int BLUETOOTH_DEVICE=1;
private final int USB_DEVICE=2;
private String PRINTER_DEVICE="printer_device";
private static final int REQUEST_CONNECT_DEVICE_SECURE = 1;
private static final int REQUEST_ENABLE_BT = 3;
private static final int REQUEST_ENABLE_BT_DEFAULT_DEVICE = 4;
private Toolbar mToolbar = null;
private Button mBtnAddDevices = null;
private PrinterDevicesTable mPrinterDevicesTable;
private ListView3D mListView3D;
private List<PrinterDevicesTableData> mDevicesData = new ArrayList<PrinterDevicesTable.PrinterDevicesTableData>();
private CustomAdapter mCustomAdapter;
private SelectPopupWindow mWindow;
private String[] mItemVlues = { "设置为默认设备", "修改设备名称", "删除设备" };
private String[] mAddDevicesType = { "usb 设备 ", "Bluetooth 设备" };
private LayoutInflater mInflater;
private BluetoothPrintService mBluetoothPrintService=null;
private USBPrintService mUsbPrintService=null;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.printer_add_devices);
mInflater = LayoutInflater.from(this);
mPrinterDevicesTable = new PrinterDevicesTable();
mDevicesData = mPrinterDevicesTable.read(AddPrinterDevices.this);
mBtnAddDevices = (Button) findViewById(R.id.button);
mListView3D = (ListView3D) findViewById(R.id.my_listview);
mListView3D.setDynamics(new SimpleDynamics(0.9f, 0.6f));
mToolbar = (Toolbar) findViewById(R.id.main_toolbar);
mToolbar.setTitle(getResources().getString(
R.string.printer_add_devices_toolbar_text));
mToolbar.setNavigationOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
finish();
}
});
mBtnAddDevices.setOnClickListener(this);
mCustomAdapter = new CustomAdapter(this, mDevicesData);
mListView3D.setAdapter(mCustomAdapter);
mListView3D.setOnItemClickListener(this);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if (v == mBtnAddDevices) {
mWindow = new SelectPopupWindow(AddPrinterDevices.this,
mAddDevicesType.length) {
@Override
public View ListviewConvertView(int position, View convertView,
ViewGroup parent) {
// TODO Auto-generated method stub
if (convertView == null) {
convertView = mInflater.inflate(
R.layout.layout_add_devices_type, null);
TextView textView = new TextView(AddPrinterDevices.this);
textView.setText(mAddDevicesType[1]);
textView.setTextColor(0xFFFFFFFF);
textView.setLayoutParams(new LayoutParams(-2, -2));
textView.setSingleLine();
textView.setGravity(Gravity.CENTER);
textView.setTextSize(TypedValue.COMPLEX_UNIT_PX,
getResources().getDimension(R.dimen.text_size));
int width = View.MeasureSpec.makeMeasureSpec(0,
View.MeasureSpec.UNSPECIFIED);
int height = View.MeasureSpec.makeMeasureSpec(0,
View.MeasureSpec.UNSPECIFIED);
textView.measure(width, height);
width = textView.getMeasuredWidth();
TextView textView1 = (TextView) convertView
.findViewById(R.id.ladt_showtext);
textView1
.setLayoutParams(new LinearLayout.LayoutParams(
width, -2));
}
ImageView imageView = (ImageView) convertView
.findViewById(R.id.ladt_image);
TextView textView = (TextView) convertView
.findViewById(R.id.ladt_showtext);
if (position == 1) {
imageView
.setBackgroundResource(R.drawable.bluetooth_min);
} else if (position == 0) {
imageView.setBackgroundResource(R.drawable.usb_min);
}
textView.setText(mAddDevicesType[position]);
return convertView;
}
@Override
public void ListviewOnItemClick(AdapterView<?> parent,
View view, int position, long id) {
// TODO Auto-generated method stub
if (position == 0) {
mUsbPrintService=USBPrintService.getInstance(AddPrinterDevices.this, null);
final UsbDevice usbDevice=mUsbPrintService.getUsbDevices();
if(usbDevice!=null)
{
final EditText mEditTextName = new EditText(
AddPrinterDevices.this);
final AlertDialog dialog = new AlertDialog.Builder(
AddPrinterDevices.this).setTitle("请输入")
.setIcon(android.R.drawable.ic_dialog_info)
.setView(mEditTextName).setPositiveButton("确定", null)
.setNegativeButton("取消", null).show();
dialog.getButton(AlertDialog.BUTTON_POSITIVE)
.setOnClickListener(new OnClickListener() {
@SuppressLint("NewApi")
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
boolean result = mPrinterDevicesTable
.isExistData(AddPrinterDevices.this,
mEditTextName.getText()
.toString());
if (result) {
Toast.makeText(AddPrinterDevices.this,
"设备名称冲突,请重新输入。。。。",
Toast.LENGTH_LONG).show();
return;
} else {
long ret = mPrinterDevicesTable.InsertData(
AddPrinterDevices.this,
mEditTextName.getText().toString(),
USB_DEVICE, usbDevice.getVendorId(),usbDevice.getProductId(),usbDevice.getDeviceName(),null,null);
if (ret != -1) {
mDevicesData.clear();
mDevicesData = mPrinterDevicesTable
.read(AddPrinterDevices.this);
mListView3D.destroyDrawingCache();
mListView3D = (ListView3D) findViewById(R.id.my_listview);
mListView3D
.setDynamics(new SimpleDynamics(
0.9f, 0.6f));
mCustomAdapter = new CustomAdapter(
AddPrinterDevices.this, mDevicesData);
mListView3D.setAdapter(mCustomAdapter);
mListView3D
.setOnItemClickListener(AddPrinterDevices.this);
}
dialog.dismiss();
}
}
});
}else
{
String val=Tools.getDataSharedPreferences(AddPrinterDevices.this, "devices", "root");
if(val.equals(""))
{
boolean ret=XmlFileParse.getInstance(AddPrinterDevices.this).getOpearionPermissions();
if(ret)
{
Tools.saveDataSharedPreferences(AddPrinterDevices.this, "devices", "root", "root");
new AlertDialog.Builder(AddPrinterDevices.this)
.setTitle("提示" )
.setMessage("已获得usb host权限，请重启手机。。。" )
.setPositiveButton("确定" , null )
.show();
}else
{
new AlertDialog.Builder(AddPrinterDevices.this)
.setTitle("提示" )
.setMessage("此操作需要root权限，请先将系统用root工具root，(king root等)" )
.setPositiveButton("确定" , null )
.show();
}
}else
{
Toast.makeText(AddPrinterDevices.this, "重新插入usb设备后，重试。。。。。", Toast.LENGTH_LONG).show();
}
}
// boolean ret=XmlFileParse.getInstance(AddPrinterDevices.this).getOpearionPermissions();
// if(ret)
// {
// Toast.makeText(AddPrinterDevices.this, "已获得", Toast.LENGTH_LONG).show();
// }
/*String [] mFilePath={"/storage/sdcard0/test.png"};
BitmapUtil mBitmapUtil = BitmapUtil.getInstance();
PrintBitmap printBitmap = mBitmapUtil.getPrinteBitmap(AddPrinterDevices.this,
mFilePath[0]);
int width=printBitmap.bitmap.getWidth();
int height=printBitmap.bitmap.getHeight();
Bitmap testb=Bitmap.createBitmap(width, height, Config.ARGB_8888);
boolean isBlankLine = true;
for (int i = 0; i < height; i ) {
int[] pixels = new int[width];
int index = 0;
printBitmap.bitmap.getPixels(pixels, 0, width, 0, i, width,
1);
operationBMP.getInstance().bmpOperation(pixels, 1, width);
testb.setPixels(pixels, 0,width , 0, i, width, 1);
int[] binaryPixels = new int[(width 7) / 8]; // 通过位图的大小创建像素点数组
for (int j2 = 0; j2 < width;) {
if (pixels[j2] != 255) {
binaryPixels[index] = (byte) ((binaryPixels[index] | 1 << (7 - j2 % 8) & 0xff));
isBlankLine = false;
}
j2 ;
if (j2 % 8 == 0) {
index ;
}
}
if(isBlankLine)
{
testb.setPixels(binaryPixels, 0,(width 7) / 8 , 0, i, width, 1);
}else
{
testb.setPixels(binaryPixels, 0,(width 7) / 8 , 0, i, width, 1);
}
}*/
} else if (position == 1) {
// 蓝牙设备
BluetoothAdapter mBluetoothAdapter = BluetoothAdapter
.getDefaultAdapter();
if (mBluetoothAdapter == null) {
Toast.makeText(AddPrinterDevices.this,
"Bluetooth is not available",
Toast.LENGTH_LONG).show();
} else {
if (!mBluetoothAdapter.isEnabled()) {
Intent enableIntent = new Intent(
BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableIntent,
REQUEST_ENABLE_BT);
// Otherwise, setup the chat session
} else {
Intent serverIntent = new Intent(
AddPrinterDevices.this,
DeviceListActivity.class);
startActivityForResult(serverIntent,
REQUEST_CONNECT_DEVICE_SECURE);
}
}
}
this.dismiss();
}
};
mWindow.showAtLocation(
AddPrinterDevices.this.findViewById(R.id.pad_main),
Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL, 0, 0);
/*
* long ret =
* mPrinterDevicesTable.InsertData(AddPrinterDevices.this, "usb"
* i, 2, null, 5, 6, "444", "4444", "3333333"); if (ret != -1) {
* mDevicesData.clear(); mDevicesData = mPrinterDevicesTable
* .read(AddPrinterDevices.this); mListView3D.destroyDrawingCache();
* mListView3D = (ListView3D) findViewById(R.id.my_listview);
* mListView3D.setDynamics(new SimpleDynamics(0.9f, 0.6f));
* mCustomAdapter = new CustomAdapter(this, mDevicesData);
* mListView3D.setAdapter(mCustomAdapter);
* mListView3D.setOnItemClickListener(this); }
*/
}
}
private void saveBitmap(Bitmap bitmap, String name) {
File file = new File(Environment.getExternalStorageDirectory() "/"
name);
if (file.exists()) {
file.delete();
}
try {
file.createNewFile();
FileOutputStream fout = new FileOutputStream(file);
bitmap.compress(Bitmap.CompressFormat.PNG, 100, fout);
fout.flush();
fout.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private class CustomAdapter extends BaseAdapter {
private List<PrinterDevicesTableData> mData;
private LayoutInflater mInflater;
private int mClickItemIndex = 0;
public CustomAdapter(Context context, List<PrinterDevicesTableData> data) {
mData = data;
mInflater = LayoutInflater.from(context);
}
public List<PrinterDevicesTableData> getData() {
return mData;
}
public void setData(List<PrinterDevicesTableData> mData) {
this.mData.clear();
this.mData.addAll(mData);
}
public int getClickItemIndex() {
return mClickItemIndex;
}
public void setClickItemIndex(int mClickItemIndex) {
this.mClickItemIndex = mClickItemIndex;
}
@Override
public int getCount() {
if (mData == null || mData.size() <= 0) {
return 0;
}
return mData.size();
}
@Override
public Object getItem(int position) {
if (mData == null || mData.size() <= 0 || position < 0
|| position >= mData.size()) {
return null;
}
return mData.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
convertView = mInflater.inflate(
R.layout.printer_add_devices_list_item, null);
}
if (position < mData.size()) {
ImageView imageView = (ImageView) convertView
.findViewById(R.id.iv_photo);
TextView name = (TextView) convertView
.findViewById(R.id.tv_name);
name.setText(((PrinterDevicesTableData) getItem(position)).designation);
TextView description = (TextView) convertView
.findViewById(R.id.tv_name_description);
if (((PrinterDevicesTableData) getItem(position)).type == 1) {
description
.setText(((PrinterDevicesTableData) getItem(position)).bluetooth_address);
imageView.setBackgroundResource(R.drawable.bluetooth);
} else if (((PrinterDevicesTableData) getItem(position)).type == 2) {
description
.setText(((PrinterDevicesTableData) getItem(position)).Rev);
imageView.setBackgroundResource(R.drawable.usb);
}
TextView infomation = (TextView) convertView
.findViewById(R.id.tv_showinfomation);
if (mClickItemIndex == position) {
infomation.setVisibility(View.VISIBLE);
Log.e(Tag, "--------------- getView");
} else {
infomation.setVisibility(View.GONE);
}
}
return convertView;
}
}
class SimpleDynamics extends com.printsharelib.listview3d.util.Dynamics {
private float mFrictionFactor;
private float mSnapToFactor;
public SimpleDynamics(final float frictionFactor,
final float snapToFactor) {
mFrictionFactor = frictionFactor;
mSnapToFactor = snapToFactor;
}
@Override
protected void onUpdate(final int dt) {
mVelocity = getDistanceToLimit() * mSnapToFactor;
// 速度 * 时间间隔 = 间隔时间内位移
mPosition = mVelocity * dt / 1000;
// 减速， 供下次onUpdate使用
mVelocity *= mFrictionFactor;
}
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
// TODO Auto-generated method stub
mCustomAdapter.setClickItemIndex(position);
mListView3D.ref();
mWindow = new SelectPopupWindow(AddPrinterDevices.this,
mItemVlues.length) {
@Override
public void ListviewOnItemClick(AdapterView<?> parent, View view,
int position, long id) {
// TODO Auto-generated method stub
if (position == 1) {
final EditText mEditText = new EditText(
AddPrinterDevices.this);
new AlertDialog.Builder(AddPrinterDevices.this)
.setTitle("请输入")
.setIcon(android.R.drawable.ic_dialog_info)
.setView(mEditText)
.setPositiveButton("确定",
new DialogInterface.OnClickListener() {
@Override
public void onClick(
DialogInterface dialog,
int which) {
// TODO Auto-generated
// method stub
int position = mCustomAdapter
.getClickItemIndex();
PrinterDevicesTableData obj = (PrinterDevicesTableData) mCustomAdapter
.getItem(position);
int result = mPrinterDevicesTable
.updata(AddPrinterDevices.this,
obj.id, mEditText
.getText()
.toString());
if (result == -1) {
Toast.makeText(
AddPrinterDevices.this,
"设备名称冲突。。。。",
Toast.LENGTH_LONG)
.show();
} else {
mDevicesData.clear();
mDevicesData = mPrinterDevicesTable
.read(AddPrinterDevices.this);
mCustomAdapter
.setData(mDevicesData);
mListView3D.ref();
}
}
}).setNegativeButton("取消", null).show();
} else if (position == 2) {
AlertDialog.Builder builder = new Builder(
AddPrinterDevices.this);
builder.setMessage("确认删除吗？");
builder.setTitle("提示");
builder.setPositiveButton("确认",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
int position = mCustomAdapter
.getClickItemIndex();
PrinterDevicesTableData obj = (PrinterDevicesTableData) mCustomAdapter
.getItem(position);
mPrinterDevicesTable.delete(
AddPrinterDevices.this, obj.id);
mListView3D.refAdd(position);
mDevicesData.clear();
mDevicesData = mPrinterDevicesTable
.read(AddPrinterDevices.this);
mListView3D.destroyDrawingCache();
mListView3D = (ListView3D) findViewById(R.id.my_listview);
mListView3D.setDynamics(new SimpleDynamics(
0.9f, 0.6f));
mCustomAdapter = new CustomAdapter(
AddPrinterDevices.this,
mDevicesData);
mListView3D.setAdapter(mCustomAdapter);
mListView3D
.setOnItemClickListener(AddPrinterDevices.this);
dialog.dismiss();
}
});
builder.setNegativeButton("取消",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
dialog.dismiss();
}
});
builder.create().show();
}else if(position==0)
{
int devPosition = mCustomAdapter
.getClickItemIndex();
PrinterDevicesTableData obj = (PrinterDevicesTableData) mCustomAdapter
.getItem(devPosition);
if(obj.type==BLUETOOTH_DEVICE)
{
mBluetoothPrintService = new BluetoothPrintService(AddPrinterDevices.this,mDefaultDeviceHandler);
mBluetoothPrintService.connectDevice(obj.bluetooth_address);
}else if(obj.type==USB_DEVICE)
{
mUsbPrintService=USBPrintService.getInstance(AddPrinterDevices.this, null);
final UsbDevice usbDevice=mUsbPrintService.getUsbDevices();
if(usbDevice!=null)
{
Tools.saveDataSharedPreferences(AddPrinterDevices.this, PRINTER_DEVICE, "type", "usb");
Tools.saveDataSharedPreferences(AddPrinterDevices.this, PRINTER_DEVICE, "devices_name", obj.designation);
}
}
}
this.dismiss();
}
@Override
public View ListviewConvertView(int position, View convertView,
ViewGroup parent) {
// TODO Auto-generated method stub
if (convertView == null) {
convertView = mInflater.inflate(
R.layout.layout_add_devices_item, null);
}
TextView textView = (TextView) convertView
.findViewById(R.id.ladi_showtext);
textView.setText(mItemVlues[position]);
return convertView;
}
};
mWindow.showAtLocation(
AddPrinterDevices.this.findViewById(R.id.pad_main),
Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL, 0, 0);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
case REQUEST_CONNECT_DEVICE_SECURE:
if (resultCode == Activity.RESULT_OK) {
final String device_address = data.getExtras().getString(
DeviceListActivity.EXTRA_DEVICE_ADDRESS);
final EditText mEditTextName = new EditText(
AddPrinterDevices.this);
final AlertDialog dialog = new AlertDialog.Builder(
AddPrinterDevices.this).setTitle("请输入")
.setIcon(android.R.drawable.ic_dialog_info)
.setView(mEditTextName).setPositiveButton("确定", null)
.setNegativeButton("取消", null).show();
dialog.getButton(AlertDialog.BUTTON_POSITIVE)
.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
boolean result = mPrinterDevicesTable
.isExistData(AddPrinterDevices.this,
mEditTextName.getText()
.toString());
if (result) {
Toast.makeText(AddPrinterDevices.this,
"设备名称冲突,请重新输入。。。。",
Toast.LENGTH_LONG).show();
return;
} else {
long ret = mPrinterDevicesTable.InsertData(
AddPrinterDevices.this,
mEditTextName.getText().toString(),
BLUETOOTH_DEVICE, device_address);
if (ret != -1) {
mDevicesData.clear();
mDevicesData = mPrinterDevicesTable
.read(AddPrinterDevices.this);
mListView3D.destroyDrawingCache();
mListView3D = (ListView3D) findViewById(R.id.my_listview);
mListView3D
.setDynamics(new SimpleDynamics(
0.9f, 0.6f));
mCustomAdapter = new CustomAdapter(
AddPrinterDevices.this, mDevicesData);
mListView3D.setAdapter(mCustomAdapter);
mListView3D
.setOnItemClickListener(AddPrinterDevices.this);
}
dialog.dismiss();
}
}
});
}
break;
case REQUEST_ENABLE_BT:
Intent serverIntent = new Intent(AddPrinterDevices.this,
DeviceListActivity.class);
startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE_SECURE);
break;
case REQUEST_ENABLE_BT_DEFAULT_DEVICE:
int devPosition = mCustomAdapter
.getClickItemIndex();
PrinterDevicesTableData obj = (PrinterDevicesTableData) mCustomAdapter
.getItem(devPosition);
mBluetoothPrintService.connectDevice(obj.bluetooth_address);
break;
default:
break;
}
}
private Handler mDefaultDeviceHandler = new Handler()
{
@Override
public void handleMessage(Message msg) {
// TODO Auto-generated method stub
super.handleMessage(msg);
switch (msg.what) {
case BluetoothPrintService.BluetoothServiceConnected:
int devPosition = mCustomAdapter
.getClickItemIndex();
PrinterDevicesTableData obj = (PrinterDevicesTableData) mCustomAdapter
.getItem(devPosition);
Tools.saveDataSharedPreferences(AddPrinterDevices.this, PRINTER_DEVICE, "type", "bluetooth");
Tools.saveDataSharedPreferences(AddPrinterDevices.this, PRINTER_DEVICE, "devices_name", obj.designation);
Tools.saveDataSharedPreferences(AddPrinterDevices.this, PRINTER_DEVICE, "buletooth_address", obj.bluetooth_address);
Toast.makeText(AddPrinterDevices.this,
"设置默认设备成功。。。。",
Toast.LENGTH_LONG).show();
break;
case BluetoothPrintService.BluetoothAdapterStartActivityForResult:
Intent enableIntent = new Intent(
BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableIntent, REQUEST_ENABLE_BT_DEFAULT_DEVICE);
break;
default:
break;
}
}
};
}
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