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POCannot set OnTouchListener
 

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  1. POCannot set OnTouchListener
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    <p>Falks, it is going to be silly mistake but I really cannot guess where is it. I`m trying to set OnTouchListener but method onTouch is not invoked.</p> <p>Here`s my code:</p> <pre><code> public class StepActivity extends SherlockActivity { private Recipe recipe = null; private String TAG = "StepActivity"; private ArrayList&lt;Step&gt; steps; private int caret = 0; private int currentStep = 1; private int stepQuantity; private TextView viewStepBody; private TextView stepNumber; private ImageView viewPicture; private String bodyText; private String picture; private String [] pictures = new String [5]; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.step_page); RelativeLayout view = new RelativeLayout(this); view.setOnTouchListener(new OnTouchListener() { @Override public boolean onTouch(View view, MotionEvent motion) { Log.i(TAG, "In onTouch"); float downXValue = 0; // Get the action that was done on this touch event switch (motion.getAction()) { case MotionEvent.ACTION_DOWN: { Log.i(TAG, "In onTouch1"); // store the X value when the user's finger was pressed down downXValue = motion.getX(); break; } case MotionEvent.ACTION_UP: { Log.i(TAG, "In onTouch2"); // Get the X value when the user released his/her finger float currentX = motion.getX(); // going backwards: pushing stuff to the right if (downXValue &lt; currentX) { Log.i(TAG, "In onTouch previous"); goPrevious(); } // going forwards: pushing stuff to the left if (downXValue &gt; currentX) { Log.i(TAG, "In onTouch next"); goNext(); } break; } } // if you return false, these actions will not be recorded return true; } }); viewStepBody = (TextView)findViewById(R.id.step_body); stepNumber = (TextView)findViewById(R.id.step_number); viewPicture = (ImageView)findViewById(R.id.picture); TextView recipeTitle = (TextView)findViewById(R.id.recipe_title); try { getSupportActionBar().setDisplayShowTitleEnabled(false); recipe = (Recipe)getIntent().getSerializableExtra("Recipe1"); steps = recipe.getSteps(); stepQuantity = steps.size(); Log.d(TAG,"steps: " + steps.size()); if (stepQuantity &gt; 0) { Step step = steps.get(0); pictures[0] = Constants.URL + step.getImg_url(); bodyText = step.getInstruction(); new DownloadImageTask().execute(pictures); recipeTitle.setText(recipe.getTitle()); } updateInfo(); } catch (Exception e) { Toast.makeText(this, "Error occured" + e.getMessage(), 200); } } @Override public boolean onCreateOptionsMenu(Menu menu) { com.actionbarsherlock.view.MenuInflater inflater = getSupportMenuInflater(); inflater.inflate(R.menu.step_menu, (com.actionbarsherlock.view.Menu) menu); return super.onCreateOptionsMenu(menu); } private void updateInfo() { new DownloadImageTask().execute(pictures); viewStepBody.setText(bodyText); stepNumber.setText(currentStep + "/" + stepQuantity); } private void goNext() { if (currentStep != stepQuantity) { caret++; currentStep++; Step newStep = steps.get(caret); pictures[0] = Constants.URL + newStep.getImg_url(); bodyText = newStep.getInstruction(); updateInfo(); } else { caret = 0; currentStep = 1; Step newStep = steps.get(caret); bodyText = newStep.getInstruction(); pictures[0] = Constants.URL + newStep.getImg_url(); updateInfo(); } } private void goPrevious() { if (currentStep != 1) { caret--; currentStep--; Step newStep = steps.get(caret); bodyText = newStep.getInstruction(); pictures[0] = Constants.URL + newStep.getImg_url(); updateInfo(); } else { caret = stepQuantity - 1; currentStep = stepQuantity; Step newStep = steps.get(caret); bodyText = newStep.getInstruction(); pictures[0] = Constants.URL + newStep.getImg_url(); updateInfo(); } } @Override public boolean onOptionsItemSelected(MenuItem item) { switch(item.getItemId()) { case R.id.next: goNext(); return true; case R.id.previous: goPrevious(); return true; default: return super.onOptionsItemSelected(item); } } </code></pre> <p>Here`s my step_page.xml which passed to the setContentView() method.</p> <pre><code> &lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/step_layout1"&gt; &lt;ScrollView android:layout_width="fill_parent" android:layout_height="fill_parent"&gt; &lt;RelativeLayout android:layout_width="match_parent" android:layout_height="match_parent" &gt; &lt;TextView android:id="@+id/recipe_title" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="23dp" android:layout_alignParentRight="true" android:layout_alignParentTop="true" android:textColor="#9d9d9d" android:textStyle="bold" android:layout_marginTop="4dp"/&gt; &lt;TextView android:id="@+id/step_word" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="25dp" android:layout_below="@+id/recipe_title" android:textColor="#000000" android:textStyle="bold" android:text="@string/step_word" android:layout_marginTop="4dp"/&gt; &lt;TextView android:id="@+id/step_number" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="25dp" android:layout_toRightOf="@+id/step_word" android:layout_below="@+id/recipe_title" android:textColor="#000000" android:textStyle="bold" android:layout_marginLeft="3dp" android:text="1/12" android:layout_marginTop="4dp"/&gt; &lt;ImageView android:id="@+id/picture" android:layout_width="300dp" android:layout_height="200dp" android:layout_below="@+id/step_word" android:layout_centerHorizontal="true" /&gt; &lt;TextView android:id="@+id/step_body" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="22dp" android:textColor="#000000" android:paddingTop="2dp" android:layout_below="@+id/picture" /&gt; &lt;/RelativeLayout&gt; &lt;/ScrollView&gt; &lt;/RelativeLayout&gt; </code></pre> <p>One more approach which was advised here doesn`t work. :</p> <pre><code>public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.step_page); RelativeLayout view = (RelativeLayout) findViewById(R.id.step_layout1); view.setOnTouchListener(new OnTouchListener() { @Override public boolean onTouch(View view, MotionEvent motion) { Log.i(TAG, "In onTouch"); float downXValue = 0; // Get the action that was done on this touch event switch (motion.getAction()) { case MotionEvent.ACTION_DOWN: { Log.i(TAG, "In onTouch1"); // store the X value when the user's finger was pressed down downXValue = motion.getX(); break; } case MotionEvent.ACTION_UP: { Log.i(TAG, "In onTouch2"); // Get the X value when the user released his/her finger float currentX = motion.getX(); // going backwards: pushing stuff to the right if (downXValue &lt; currentX) { Log.i(TAG, "In onTouch previous"); goPrevious(); } // going forwards: pushing stuff to the left if (downXValue &gt; currentX) { Log.i(TAG, "In onTouch next"); goNext(); } break; } } // if you return false, these actions will not be recorded return true; } }); </code></pre> <p>Any remarks?</p>
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    1. PO
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      1. PTAnswer
    1. This table or related slice is empty.
    1. PTQuestion
    1. USStas
    1. USStas
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
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      1. PTAnswer
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      1. POCannot set OnTouchListener
      1. This table or related slice is empty.
      1. VTUpMod
    1. COHave you got any exception
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      1. POCannot set OnTouchListener
      1. USPraveenkumar
    2. CONo, I don`t just no reaction from onTouch method. There are a couple of Log.d(TAG, "Message") there. Non of them is invoked.
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      1. POCannot set OnTouchListener
      1. USStas
    3. COCan you able to see your `RelativeLayout` output?
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      1. POCannot set OnTouchListener
      1. USPraveenkumar
 

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