Android Open Source - TimeSheets Signature View

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Back to project page TimeSheets.
License

The source code is released under:
MIT License
If you think the Android project TimeSheets listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package com.powerblock.timesheets.signatures;
//from   w w w . j  a  v a2s.c om
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Path;
import android.os.Environment;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;

@SuppressLint("ClickableViewAccessibility")
public class SignatureView extends View {
  
  private Path mPath;
  private Paint drawPaint;
  private boolean moved = false;
  private static final String root = Environment.getExternalStorageDirectory().toString();
  public static final String custSigLoc = ".workingTemplate/custSigTemp.png";
  public static final String empSigLoc = ".workingTemplate/empSigTemp.png";
  private static File custSig;
  private static File empSig;
  private static String mSigType;

  public SignatureView(Context context, AttributeSet attrs) {
    super(context, attrs);
    setUpDrawing();
    custSig = new File(root, custSigLoc);
    empSig = new File(root,empSigLoc);
  }
  
  @Override
  protected void onSizeChanged(int w, int h, int oldw, int oldh) {
    super.onSizeChanged(w, h, oldw, oldh);
  }
  
  public void setSigType(String s){
    mSigType = s;
  }
  
  public String getSigType(){
    return mSigType;
  }
  
  @Override
  protected void onDraw(Canvas canvas) {
    canvas.drawPath(mPath, drawPaint);
  }
  
  public boolean onTouchEvent(MotionEvent event) {
    float touchX = event.getX();
    float touchY = event.getY();
    switch (event.getAction()) {
    case MotionEvent.ACTION_DOWN:
      moved = false;
        mPath.moveTo(touchX, touchY);
        break;
    case MotionEvent.ACTION_MOVE:
      moved = true;
        mPath.lineTo(touchX, touchY);
        break;
    case MotionEvent.ACTION_UP:
      if(!moved){
        mPath.lineTo(touchX+1, touchY+1);
      }
      moved = false;
        break;
    default:
        return false;
    }
    invalidate();
    return true;
  }
  
  private void setUpDrawing(){
    mPath = new Path();
    drawPaint = new Paint();
    drawPaint.setColor(Color.parseColor("#000000"));
    drawPaint.setAntiAlias(true);
    drawPaint.setStrokeWidth(10);
    drawPaint.setStyle(Paint.Style.STROKE);
    drawPaint.setStrokeJoin(Paint.Join.ROUND);
    drawPaint.setStrokeCap(Paint.Cap.ROUND);
  }
  
  public File saveSignature(){
    Log.v("Test","Save called");
    OutputStream out = null;
    this.setDrawingCacheEnabled(true);
    this.setDrawingCacheBackgroundColor(Color.WHITE);
    this.buildDrawingCache();
    Bitmap b = this.getDrawingCache();
    File sig = null;
    if(b == null){
      Log.v("Test","Bitmap is null");
    }
    try{
      if(mSigType.equalsIgnoreCase(SignatureActivity.SIG_IDENTIFIER_CUST)){
        sig = custSig;
      } else if(mSigType.equalsIgnoreCase(SignatureActivity.SIG_IDENTIFIER_EMP)){
        sig = empSig;
      }
      out = new FileOutputStream(sig);
      if(b.compress(Bitmap.CompressFormat.PNG, 90, out)){
        Log.v("Test","Compressed");
      }
    } catch(Exception e){
      e.printStackTrace();
    } finally {
      try {
        out.close();
      } catch (IOException e) {
        e.printStackTrace();
      }
    }
    return sig;
  }
  
  public void Clear(){
    mPath.reset();
    invalidate();
  }

}
Java Source Code List
