[Android] Remove redundant code for segmentation app (#642)

Remove redundant code for segmentation.

Co-authored-by: DefTruth <31974251+DefTruth@users.noreply.github.com>

java/android/app/src/main/java/com/baidu/paddle/fastdeploy/app/examples/segmentation/SegmentationMainActivity.java

@@ -1,5 +1,8 @@
 package com.baidu.paddle.fastdeploy.app.examples.segmentation;
 
+import static com.baidu.paddle.fastdeploy.app.ui.Utils.decodeBitmap;
+import static com.baidu.paddle.fastdeploy.app.ui.Utils.getRealPathFromURI;
+
 import android.Manifest;
 import android.annotation.SuppressLint;
 import android.app.Activity;
@@ -16,30 +19,24 @@ import android.preference.PreferenceManager;
 import android.support.annotation.NonNull;
 import android.support.v4.app.ActivityCompat;
 import android.support.v4.content.ContextCompat;
-import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.Window;
 import android.view.WindowManager;
 import android.widget.ImageButton;
 import android.widget.ImageView;
-import android.widget.SeekBar;
 import android.widget.TextView;
 
 import com.baidu.paddle.fastdeploy.RuntimeOption;
 import com.baidu.paddle.fastdeploy.app.examples.R;
+import com.baidu.paddle.fastdeploy.app.ui.Utils;
 import com.baidu.paddle.fastdeploy.app.ui.view.CameraSurfaceView;
 import com.baidu.paddle.fastdeploy.app.ui.view.ResultListView;
-import com.baidu.paddle.fastdeploy.app.ui.Utils;
 import com.baidu.paddle.fastdeploy.app.ui.view.model.BaseResultModel;
 import com.baidu.paddle.fastdeploy.vision.SegmentationResult;
 import com.baidu.paddle.fastdeploy.vision.Visualize;
 import com.baidu.paddle.fastdeploy.vision.segmentation.PaddleSegModel;
 
-import static com.baidu.paddle.fastdeploy.app.ui.Utils.decodeBitmap;
-import static com.baidu.paddle.fastdeploy.app.ui.Utils.getRealPathFromURI;
-
-import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -59,9 +56,6 @@ public class SegmentationMainActivity extends Activity implements View.OnClickLi
     private ViewGroup resultPageView;
     private ImageView resultImage;
     private ImageView backInResult;
-    private SeekBar confidenceSeekbar;
-    private TextView seekbarText;
-    private float resultNum = 1.0f;
     private ResultListView resultView;
     private Bitmap shutterBitmap;
     private Bitmap picBitmap;
@@ -178,8 +172,6 @@ public class SegmentationMainActivity extends Activity implements View.OnClickLi
                         svPreview.onPause();
                         cameraPageView.setVisibility(View.GONE);
                         resultPageView.setVisibility(View.VISIBLE);
-                        seekbarText.setText(resultNum + "");
-                        confidenceSeekbar.setProgress((int) (resultNum * 100));
                         if (shutterBitmap != null && !shutterBitmap.isRecycled()) {
                             detail(shutterBitmap);
                         } else {
@@ -215,8 +207,6 @@ public class SegmentationMainActivity extends Activity implements View.OnClickLi
             if (resultCode == Activity.RESULT_OK) {
                 cameraPageView.setVisibility(View.GONE);
                 resultPageView.setVisibility(View.VISIBLE);
-                seekbarText.setText(resultNum + "");
-                confidenceSeekbar.setProgress((int) (resultNum * 100));
                 Uri uri = data.getData();
                 String path = getRealPathFromURI(this, uri);
                 Bitmap bitmap = decodeBitmap(path, 720, 1280);
@@ -339,36 +329,12 @@ public class SegmentationMainActivity extends Activity implements View.OnClickLi
         resultImage = findViewById(R.id.result_image);
         backInResult = findViewById(R.id.back_in_result);
         backInResult.setOnClickListener(this);
-        confidenceSeekbar = findViewById(R.id.confidence_seekbar);
-        seekbarText = findViewById(R.id.seekbar_text);
         resultView = findViewById(R.id.result_list_view);
-
-        confidenceSeekbar.setMax(100);
-        confidenceSeekbar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
-            @Override
-            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
-                float resultConfidence = seekBar.getProgress() / 100f;
-                BigDecimal bd = new BigDecimal(resultConfidence);
-                resultNum = bd.setScale(1, BigDecimal.ROUND_HALF_UP).floatValue();
-                seekbarText.setText(resultNum + "");
-                confidenceSeekbar.setProgress((int) (resultNum * 100));
-                results.clear();
-            }
-
-            @Override
-            public void onStartTrackingTouch(SeekBar seekBar) {
-            }
-
-            @Override
-            public void onStopTrackingTouch(SeekBar seekBar) {
-            }
-        });
     }
 
     private void detail(Bitmap bitmap) {
         predictor.predict(bitmap, true, 0.4f);
         resultImage.setImageBitmap(bitmap);
-        resultNum = 1.0f;
     }
 
     @SuppressLint("ApplySharedPref")

java/android/app/src/main/res/layout/segmentation_result_page.xml

@@ -67,7 +67,7 @@
             android:layout_marginRight="@dimen/result_list_padding_lr"
             android:layout_marginBottom="@dimen/result_list_gap_width"
             android:background="@drawable/result_page_border_section_bk"
-            android:visibility="visible">
+            android:visibility="gone">
 
             <TextView
                 android:layout_width="wrap_content"