Android實現簽名塗鴉手寫板
阿新 • • 發佈:2020-05-22
本文例項為大家分享了Android實現簽名塗鴉手寫板的具體程式碼,供大家參考,具體內容如下
佈局檔案
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> <FrameLayout android:id="@+id/fl_signature" android:layout_width="fill_parent" android:layout_height="200dp" android:layout_marginLeft="20dp" android:layout_marginRight="20dp" android:layout_marginTop="10dp" android:background="@drawable/singature_bg" android:gravity="top"> </FrameLayout> <ImageView android:id="@+id/iv_signature" android:layout_width="fill_parent" android:layout_height="200dp" android:layout_marginLeft="20dp" android:layout_marginRight="20dp" android:layout_marginTop="10dp" android:background="@drawable/signature_shape" android:gravity="top" android:visibility="gone"/> <RelativeLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="20dp" android:layout_marginBottom="20dp"> <TextView android:id="@+id/tv_revert_signature" android:layout_width="100dp" android:layout_height="35dp" android:layout_alignParentRight="true" android:layout_marginRight="140dp" android:background="@drawable/btn_order_details_pay_bg" android:gravity="center" android:paddingLeft="30dp" android:paddingRight="30dp" android:text="重籤" android:textColor="@color/code_number_bg" android:textSize="@dimen/text_title_word" /> <TextView android:id="@+id/tv_signature_save" android:layout_width="100dp" android:layout_height="35dp" android:layout_alignParentRight="true" android:layout_marginRight="20dp" android:background="@drawable/bt_bg" android:gravity="center" android:paddingLeft="30dp" android:paddingRight="30dp" android:text="儲存" android:textColor="@color/white" android:textSize="@dimen/text_title_word" /> </RelativeLayout> </LinearLayout>
//開始簽名
private void StartSignature() { // 獲取螢幕尺寸 DisplayMetrics mDisplayMetrics = new DisplayMetrics(); getWindow().getWindowManager().getDefaultDisplay().getMetrics(mDisplayMetrics); } @Override public void onWindowFocusChanged(boolean hasFocus) { super.onWindowFocusChanged(hasFocus); if(hasFocus&&mPaintView==null){ int screenWidth = mFl_signature.getMeasuredWidth(); int screenHeight = mFl_signature.getMeasuredHeight(); mPaintView=new PaintView(getApplicationContext(),screenWidth,screenHeight); mFl_signature.addView(mPaintView); mPaintView.requestFocus(); } }
//建立簽名檔案
private void createSignFile() { FileOutputStream fos = null; File file = null; try { path= generateImgePath(); file = new File(path); fos = new FileOutputStream(file); //如果設定成 mPaintBitmap.compress(Bitmap.CompressFormat.JPEG,100,fos); } catch (IOException e) { e.printStackTrace(); } finally { try { if (fos != null) { fos.close(); } } catch (IOException e) { e.printStackTrace(); } } }
//重新簽名
if (mPaintView.getPath().isEmpty()){ ToastUtils.showShort(this,"您還沒有簽名呦"); }else { mPaintView.clear(); }
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支援我們。