Android Open Source - gesturekit-helper-android Help Animation Action

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License

The source code is released under:

Apache License

Java Source Code

package com.gesturekit.gesturekithelper;
/*from   w  w w  .  j  ava 2 s .  com*/
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.R;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.Shape;
import android.os.Handler;
import android.util.Base64;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.view.ViewTreeObserver;
import android.view.WindowManager;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.LinearLayout.LayoutParams;

import com.roamtouch.gesturekit.GKActionInterface;
import com.roamtouch.gesturekit.GestureKit;

public class HelpAnimationAction implements GKActionInterface {

  private boolean initialized = false;

  //private View view;
  
  private int gridViewId = 0;
  private int closeButtonId;
  private JSONArray help_array;
  private String help_array_string;
  
  private Activity activity;
  private LinearLayout gesturesView;
  private GridView gridView;
  private Button closeHelpButton;
  private GestureKit gk;
  
  public HelpAnimationAction(Context context, /*View view, int gridId, int closeButtonId,*/ GestureKit gk){
    
    this.activity = (Activity) context;
    this.gk = gk;
    
    //this.view = view;
    
    this.help_array_string = gk.getHelpString();
    
    //this.gridViewId = gridId;
    //this.closeButtonId = closeButtonId;
    
    try {
      this.help_array = new JSONArray(help_array_string);
    } catch (JSONException e) {
      e.printStackTrace();
    }
  }
  
  @Override
  public String getActionID() {
    return "HELP";
  }

  @Override
  public void onGestureRecognized(Object... params) {
    try {
      loadHelp();
    } catch (JSONException e) {
      e.printStackTrace();
    }
  }
  
  public void loadHelp() throws JSONException{    
    if(!initialized){
        initSubviews();
    } else {
      gesturesView.setVisibility(View.VISIBLE);    
      gesturesView.getContext().sendBroadcast(new Intent(GestureKit.ACTION_VISOR).putExtra("visor_action", "hide_visor"));  
    }
  }
  
  private void initSubviews()throws JSONException {    
    
    gesturesView = new LinearLayout(this.activity);
    gesturesView.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
    gesturesView.setOrientation(LinearLayout.VERTICAL);
    gesturesView.setWeightSum(1.1f);    
    
    
    gridView = new GridView(activity);  
          
    @SuppressWarnings("deprecation")
    int width = gk.getWindowsManager().getDefaultDisplay().getWidth();
    @SuppressWarnings("deprecation")
    int height = gk.getWindowsManager().getDefaultDisplay().getHeight();    
    int orientation = width>height? ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE : ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
    int cols = orientation==ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE ? 4 : 3;
    int textNameSize = width<height? width / 50 : height / 50;
    int gridPaddingX = 10;
    int gridPaddingY = 10;
    int colWidth = (int)(width/(float)cols) - gridPaddingX;
    
    //@SuppressWarnings("deprecation")
    LinearLayout.LayoutParams layout_params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.FILL_PARENT);
    layout_params.weight = 1;
    
    gridView.setLayoutParams(layout_params);
        
    gridView.setNumColumns(cols);
    gridView.setColumnWidth(GridView.AUTO_FIT);
    gridView.setVerticalSpacing(5);
    gridView.setHorizontalSpacing(5);
    gridView.setStretchMode(GridView.STRETCH_COLUMN_WIDTH);
    gridView.setGravity(Gravity.CENTER);  
    gridView.setPadding(gridPaddingX, gridPaddingY, gridPaddingX, gridPaddingY);
    gridView.setSelector(R.color.transparent);
    gridView.setClickable(false);
    gridView.setAdapter(new HelpAdapter(gridView.getContext(), this.help_array, colWidth, textNameSize));
    
    gesturesView.addView(gridView);
    
    closeHelpButton = new Button(activity);
    closeHelpButton.setText("CLOSE");
    gesturesView.addView(closeHelpButton);
    
    gridView.getViewTreeObserver().addOnGlobalLayoutListener(
        new ViewTreeObserver.OnGlobalLayoutListener() {
          @Override
            public void onGlobalLayout() {  
              int[] grid_location = new int[4];
              grid_location[0] = gridView.getPaddingLeft();
            grid_location[1] = gridView.getPaddingTop();          
            grid_location[2] = gridView.getPaddingRight();
            grid_location[3] = gridView.getPaddingBottom();                     
            }
      });
    
    //View btnClose = view.findViewById(this.closeButtonId);
    
    closeHelpButton.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View v) {
        gesturesView.setVisibility(View.GONE);
        //gk.getWindowsManager().removeView(gesturesView);  
        gesturesView.getContext().sendBroadcast(new Intent(GestureKit.ACTION_VISOR).putExtra("visor_action", "show_visor"));
      }
    });
    
    
    //gk.onPause();    
    gk.getWindowsManager().addView(gesturesView, gk.getLayoutParams());  
    gesturesView.setBackgroundColor(Color.parseColor("#000000"));
    
    initialized = true;
  }

  public Bitmap getGestureImage(String gestureName){
    for(int i = 0; i < help_array.length(); i++){      
      try {      
        JSONObject gesture = help_array.getJSONObject(i);
        String cGestureName = gesture.optString("name");
        
        if (cGestureName.equals(gestureName)) {
          String gesture_image = gesture.getString("image");
          
          byte[] decodedString = Base64.decode(gesture_image, Base64.DEFAULT);
          Bitmap b = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length);
  
          return b;
        }
      } catch (JSONException e) {
        e.printStackTrace();
      }    
    }
    
    return null;
  }
  
  
  public class HelpAdapter extends BaseAdapter {
       
      int array_length;
      
      private LinearLayout[] layouts;
      private Bitmap[] bitmaps;
      private String[] gesture_methods;
      private String[] gesture_descriptions;
        
      private Context context;      
      private int _textNameSize;
      private int _imageSize;
      
      HelpAdapter(Context c, JSONArray help_array, int imageSize, int textNameSize) throws JSONException{
        
        this._textNameSize = textNameSize;
        this._imageSize = imageSize;
        
        this.context = c;  
        
        this.array_length = help_array.length();
        
        this.layouts = new LinearLayout[array_length];
        
        this.bitmaps = new Bitmap[array_length];
        this.gesture_methods = new String[array_length];
        this.gesture_descriptions = new String[array_length];
            
        for(int i = 0; i < help_array.length(); i++){
          
          JSONObject gesture = help_array.getJSONObject(i);
          String gesture_image = gesture.getString("image");
          
          byte[] decodedString = Base64.decode(gesture_image, Base64.DEFAULT);
          bitmaps[i] = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length);
          
          String gesture_method = gesture.getString("name");
          gesture_methods[i] = gesture_method;
          
          String gesture_description = gesture.getString("description");
          gesture_descriptions[i] = gesture_description;
          
        }
      }
      
      @Override
      public int getCount() {     
        return array_length;
      }
      
      @Override
      public Object getItem(int position) {
        return layouts[position];
      }
      
      @Override
      public long getItemId(int position) {     
        return position;
      }
      
      @SuppressWarnings("deprecation")
    @Override
      public View getView(int position, View convertView, ViewGroup parent) {
              
        if(convertView==null){
          
          layouts[position] = new LinearLayout(context); 
          layouts[position].setOrientation(LinearLayout.VERTICAL);
          layouts[position].setClickable(false);
          
          //RoundRectShape rs = new RoundRectShape(new float[] { 10, 10, 10, 10, 10, 10, 10, 10 }, null, null);        
          //ShapeDrawable sdOn = new CustomShapeDrawable(rs, 0xff8e8e93, Color.TRANSPARENT, 3);
          //StateListDrawable stld = new StateListDrawable();       
          //stld.addState(new int[] { android.R.attr.state_pressed }, sdOn);
          //layouts[position].setBackgroundDrawable(sdOn);
          
          ImageView imageView = new ImageView(context);
          imageView.setImageBitmap(bitmaps[position]);  
          //imageView.setBackground(sdOn);
          imageView.setClickable(false);
          imageView.setLayoutParams(new LinearLayout.LayoutParams(this._imageSize, this._imageSize, Gravity.CENTER | Gravity.BOTTOM));
          layouts[position].addView(imageView);
          
          TextView methodTextView = new TextView(context);
          methodTextView.setGravity(Gravity.CENTER | Gravity.BOTTOM);
          String methodText = gesture_methods[position];
          methodTextView.setTextSize(this._textNameSize);
          methodTextView.setText(methodText);  
          layouts[position].addView(methodTextView);        
          
          TextView descTextView = new TextView(context);
          String descText = gesture_descriptions[position];
          descTextView.setGravity(Gravity.CENTER | Gravity.BOTTOM);
          descTextView.setMaxLines(1);
          descTextView.setText(descText);
          layouts[position].addView(descTextView);
        }
        else
          layouts[position] = (LinearLayout) convertView;
        
        return layouts[position];
        
       }
      
      public class CustomShapeDrawable extends ShapeDrawable {
          private final Paint fillpaint, strokepaint;
       
          public CustomShapeDrawable(Shape s, int fill, int stroke, int strokeWidth) {
              super(s);
              fillpaint = new Paint(this.getPaint());
              fillpaint.setColor(fill);
              strokepaint = new Paint(fillpaint);
              strokepaint.setStyle(Paint.Style.STROKE);
              strokepaint.setStrokeWidth(strokeWidth);
              strokepaint.setColor(stroke);
          }
       
          @Override
          protected void onDraw(Shape shape, Canvas canvas, Paint paint) {
              shape.draw(canvas, fillpaint);
              shape.draw(canvas, strokepaint);
          }
      }    
      
   }
  
}

Java Source Code List

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