android.widget.ImageView#setOnTouchListener

Source File: SvgAndroidSampleActivity.java From android-opensource-library-56 with Apache License 2.0

6 votes

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.activity_svg_android_sample);

    mMatrix = new Matrix();
    mImageView = (ImageView) findViewById(R.id.image);
    checkLayer(mImageView);

    SVG svg = SVGParser.getSVGFromResource(getResources(), R.raw.cute_fox);
    mImageView.setImageDrawable(svg.createPictureDrawable());
    mImageView.setImageMatrix(mMatrix);

    final ScaleGestureDetector detector = new ScaleGestureDetector(this,
            this);
    mImageView.setOnTouchListener(new OnTouchListener() {
        @Override
        public boolean onTouch(View v, MotionEvent event) {
            return detector.onTouchEvent(event);
        }
    });
}

Source File: ZhihuItemFragment.java From catnut with MIT License

6 votes

private ImageView getImageView() {
	ImageView image = new ImageView(getActivity());
	LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
			LinearLayout.LayoutParams.WRAP_CONTENT,
			LinearLayout.LayoutParams.WRAP_CONTENT
	);
	lp.setMargins(0, 10, 0, 10);
	image.setLayoutParams(lp);
	image.setAdjustViewBounds(true);
	image.setOnTouchListener(new View.OnTouchListener() {
		@Override
		public boolean onTouch(View v, MotionEvent event) {
			return CatnutUtils.imageOverlay(v, event);
		}
	});
	image.setOnClickListener(this);
	return image;
}

Source File: SortCategoryAdapter.java From v9porn with MIT License

6 votes

@Override
protected void convert(final BaseViewHolder helper, final Category category) {
    helper.setText(R.id.tv_sort_category_name, category.getCategoryName());
    SwitchCompat switchCompat = helper.getView(R.id.sw_sort_category);
    switchCompat.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            category.setIsShow(isChecked);
        }
    });
    switchCompat.setChecked(category.getIsShow());
    ImageView imageView = helper.getView(R.id.iv_drag_handle);

    imageView.setOnTouchListener(new View.OnTouchListener() {
        @Override
        public boolean onTouch(View v, MotionEvent event) {
            if (onStartDragListener != null) {
                //注意：这里down和up都会回调该方法
                if (event.getAction() == MotionEvent.ACTION_DOWN) {
                    onStartDragListener.startDragItem(helper);
                }
            }
            return false;
        }
    });
}

Source File: PhotoViewAttacher.java From star-zone-android with Apache License 2.0

5 votes

/**
 * Clean-up the resources attached to this object. This needs to be called when the ImageView is
 * no longer used. A good example is from {@link android.view.View#onDetachedFromWindow()} or
 * from {@link android.app.Activity#onDestroy()}. This is automatically called if you are using
 * {@link uk.co.senab.photoview.PhotoView}.
 */
@SuppressWarnings("deprecation")
public void cleanup() {
    if (null == mImageView) {
        return; // cleanup already done
    }

    final ImageView imageView = mImageView.get();

    if (null != imageView) {
        // Remove this as a global layout listener
        ViewTreeObserver observer = imageView.getViewTreeObserver();
        if (null != observer && observer.isAlive()) {
            observer.removeGlobalOnLayoutListener(this);
        }

        // Remove the ImageView's reference to this
        imageView.setOnTouchListener(null);

        // make sure a pending fling runnable won't be run
        cancelFling();
    }

    if (null != mGestureDetector) {
        mGestureDetector.setOnDoubleTapListener(null);
    }

    // Clear listeners too
    mMatrixChangeListener = null;
    mPhotoTapListener = null;
    mViewTapListener = null;

    // Finally, clear ImageView
    mImageView = null;
}

Source File: LoginPopupWindow.java From fangzhuishushenqi with Apache License 2.0

5 votes

public LoginPopupWindow(Activity activity) {
    mActivity = activity;
    setWidth(ViewGroup.LayoutParams.MATCH_PARENT);
    setHeight(ViewGroup.LayoutParams.WRAP_CONTENT);

    mContentView = LayoutInflater.from(activity).inflate(R.layout.layout_login_popup_window, null);
    setContentView(mContentView);

    qq = (ImageView) mContentView.findViewById(R.id.ivQQ);
    weibo = (ImageView) mContentView.findViewById(R.id.ivWeibo);
    wechat = (ImageView) mContentView.findViewById(R.id.ivWechat);

    qq.setOnTouchListener(this);
    weibo.setOnTouchListener(this);
    wechat.setOnTouchListener(this);

    setFocusable(true);
    setOutsideTouchable(true);
    setBackgroundDrawable(new ColorDrawable(Color.parseColor("#00000000")));

    setAnimationStyle(R.style.LoginPopup);

    setOnDismissListener(new OnDismissListener() {
        @Override
        public void onDismiss() {
            lighton();
        }
    });
}

Source File: PhotoViewAttacher.java From WifiChat with GNU General Public License v2.0

5 votes

public PhotoViewAttacher(ImageView imageView) {
    mImageView = new WeakReference<ImageView>(imageView);

    imageView.setOnTouchListener(this);

    mViewTreeObserver = imageView.getViewTreeObserver();
    mViewTreeObserver.addOnGlobalLayoutListener(this);

    // Make sure we using MATRIX Scale Type
    setImageViewScaleTypeMatrix(imageView);

    if (!imageView.isInEditMode()) {
        // Create Gesture Detectors...
        mScaleDragDetector = VersionedGestureDetector.newInstance(imageView.getContext(), this);

        mGestureDetector = new GestureDetector(imageView.getContext(),
                new GestureDetector.SimpleOnGestureListener() {

                    // forward long click listener
                    @Override
                    public void onLongPress(MotionEvent e) {
                        if (null != mLongClickListener) {
                            mLongClickListener.onLongClick(mImageView.get());
                        }
                    }
                });

        mGestureDetector.setOnDoubleTapListener(this);

        // Finally, update the UI so that we're zoomable
        setZoomable(true);
    }
}

Source File: PhotoViewAttacher.java From narrate-android with Apache License 2.0

5 votes

public PhotoViewAttacher(ImageView imageView) {
    mImageView = new WeakReference<ImageView>(imageView);

    imageView.setDrawingCacheEnabled(true);
    imageView.setOnTouchListener(this);

    ViewTreeObserver observer = imageView.getViewTreeObserver();
    if (null != observer)
        observer.addOnGlobalLayoutListener(this);

    // Make sure we using MATRIX Scale Type
    setImageViewScaleTypeMatrix(imageView);

    if (imageView.isInEditMode()) {
        return;
    }
    // Create Gesture Detectors...
    mScaleDragDetector = VersionedGestureDetector.newInstance(
            imageView.getContext(), this);

    mGestureDetector = new GestureDetector(imageView.getContext(),
            new GestureDetector.SimpleOnGestureListener() {

                // forward long click listener
                @Override
                public void onLongPress(MotionEvent e) {
                    if (null != mLongClickListener) {
                        mLongClickListener.onLongClick(getImageView());
                    }
                }
            });

    mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));

    // Finally, update the UI so that we're zoomable
    setZoomable(true);
}

Source File: PhotoViewAttacher.java From jmessage-android-uikit with MIT License

5 votes

public PhotoViewAttacher(ImageView imageView, boolean fromChatActivity, Context context) {
	mImageView = new WeakReference<ImageView>(imageView);
       mFromChatActivity = fromChatActivity;
       mContext = context;
	imageView.setOnTouchListener(this);

	mViewTreeObserver = imageView.getViewTreeObserver();
	mViewTreeObserver.addOnGlobalLayoutListener(this);

	// Make sure we using MATRIX Scale Type
	setImageViewScaleTypeMatrix(imageView);

	if (!imageView.isInEditMode()) {
		// Create Gesture Detectors...
		mScaleDragDetector = VersionedGestureDetector.newInstance(imageView.getContext(), this);

		mGestureDetector = new GestureDetector(imageView.getContext(),
				new GestureDetector.SimpleOnGestureListener() {

					// forward long click listener
					@Override
					public void onLongPress(MotionEvent e) {
						if(null != mLongClickListener) {
							mLongClickListener.onLongClick(mImageView.get());
						}
					}});

		mGestureDetector.setOnDoubleTapListener(this);

		// Finally, update the UI so that we're zoomable
		setZoomable(true);
	}
}

Source File: PhotoViewAttacher.java From jmessage-android-uikit with MIT License

5 votes

public PhotoViewAttacher(ImageView imageView, Context context) {
	mImageView = new WeakReference<ImageView>(imageView);
       mContext = context;
	imageView.setOnTouchListener(this);

	mViewTreeObserver = imageView.getViewTreeObserver();
	mViewTreeObserver.addOnGlobalLayoutListener(this);

	// Make sure we using MATRIX Scale Type
	setImageViewScaleTypeMatrix(imageView);

	if (!imageView.isInEditMode()) {
		// Create Gesture Detectors...
		mScaleDragDetector = VersionedGestureDetector.newInstance(imageView.getContext(), this);

		mGestureDetector = new GestureDetector(imageView.getContext(),
				new GestureDetector.SimpleOnGestureListener() {

					// forward long click listener
					@Override
					public void onLongPress(MotionEvent e) {
						if(null != mLongClickListener) {
							mLongClickListener.onLongClick(mImageView.get());
						}
					}});

		mGestureDetector.setOnDoubleTapListener(this);

		// Finally, update the UI so that we're zoomable
		setZoomable(true);
	}
}

Source File: PhotoViewAttacher.java From light-novel-library_Wenku8_Android with GNU General Public License v2.0

5 votes

public PhotoViewAttacher(ImageView imageView) {
    mImageView = new WeakReference<ImageView>(imageView);

    imageView.setDrawingCacheEnabled(true);
    imageView.setOnTouchListener(this);

    ViewTreeObserver observer = imageView.getViewTreeObserver();
    if (null != observer)
        observer.addOnGlobalLayoutListener(this);

    // Make sure we using MATRIX Scale Type
    setImageViewScaleTypeMatrix(imageView);

    if (imageView.isInEditMode()) {
        return;
    }
    // Create Gesture Detectors...
    mScaleDragDetector = VersionedGestureDetector.newInstance(
            imageView.getContext(), this);

    mGestureDetector = new GestureDetector(imageView.getContext(),
            new GestureDetector.SimpleOnGestureListener() {

                // forward long click listener
                @Override
                public void onLongPress(MotionEvent e) {
                    if (null != mLongClickListener) {
                        mLongClickListener.onLongClick(getImageView());
                    }
                }
            });

    mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));

    // Finally, update the UI so that we're zoomable
    setZoomable(true);
}

Source File: PhotoViewAttacher.java From AndroidPickPhotoDialog with Apache License 2.0

5 votes

/**
 * Clean-up the resources attached to this object. This needs to be called when the ImageView is
 * no longer used. A good example is from {@link View#onDetachedFromWindow()} or
 * from {@link android.app.Activity#onDestroy()}. This is automatically called if you are using
 * {@link uk.co.senab.photoview.PhotoView}.
 */
@SuppressWarnings("deprecation")
public void cleanup() {
    if (null == mImageView) {
        return; // cleanup already done
    }

    final ImageView imageView = mImageView.get();

    if (null != imageView) {
        // Remove this as a global layout listener
        ViewTreeObserver observer = imageView.getViewTreeObserver();
        if (null != observer && observer.isAlive()) {
            observer.removeGlobalOnLayoutListener(this);
        }

        // Remove the ImageView's reference to this
        imageView.setOnTouchListener(null);

        // make sure a pending fling runnable won't be run
        cancelFling();
    }

    if (null != mGestureDetector) {
        mGestureDetector.setOnDoubleTapListener(null);
    }

    // Clear listeners too
    mMatrixChangeListener = null;
    mPhotoTapListener = null;
    mViewTapListener = null;

    // Finally, clear ImageView
    mImageView = null;
}

Source File: ImageViewScaler.java From MultiView with Apache License 2.0

5 votes

public ImageViewScaler(ImageView imageView, boolean zoomable) {
    mImageView = new WeakReference<>(imageView);

    imageView.setDrawingCacheEnabled(true);
    imageView.setOnTouchListener(this);

    ViewTreeObserver observer = imageView.getViewTreeObserver();
    if (null != observer)
        observer.addOnGlobalLayoutListener(this);

    // Make sure we using MATRIX Scale Type
    setImageViewScaleTypeMatrix(imageView);

    if (imageView.isInEditMode()) {
        return;
    }
    // Create Gesture Detectors...
    mScaleDragDetector = VersionedGestureDetector.newInstance(
            imageView.getContext(), this);

    mGestureDetector = new GestureDetector(imageView.getContext(),
            new GestureDetector.SimpleOnGestureListener() {

                // forward long click listener
                @Override
                public void onLongPress(MotionEvent e) {
                    if (null != mLongClickListener) {
                        mLongClickListener.onLongClick(getImageView());
                    }
                }
            });

    mGestureDetector.setOnDoubleTapListener(new DefaultOnDoubleTapListener(this));

    // Finally, update the UI so that we're zoomable
    setZoomable(zoomable);
}

Source File: PhotoViewAttacher.java From Favorite-Android-Client with Apache License 2.0

5 votes

public PhotoViewAttacher(ImageView imageView) {
    mImageView = new WeakReference<ImageView>(imageView);

    imageView.setOnTouchListener(this);

    ViewTreeObserver observer = imageView.getViewTreeObserver();
    if (null != observer)
        observer.addOnGlobalLayoutListener(this);

    // Make sure we using MATRIX Scale Type
    setImageViewScaleTypeMatrix(imageView);

    if (imageView.isInEditMode()) {
        return;
    }
    // Create Gesture Detectors...
    mScaleDragDetector = VersionedGestureDetector.newInstance(
            imageView.getContext(), this);

    mGestureDetector = new GestureDetector(imageView.getContext(),
            new GestureDetector.SimpleOnGestureListener() {

                // forward long click listener
                @Override
                public void onLongPress(MotionEvent e) {
                    if (null != mLongClickListener) {
                        mLongClickListener.onLongClick(getImageView());
                    }
                }
            });

    mGestureDetector.setOnDoubleTapListener(this);

    // Finally, update the UI so that we're zoomable
    setZoomable(true);
}

Source File: PhotoViewAttacher.java From UltimateAndroid with Apache License 2.0

5 votes

/**
 * Clean-up the resources attached to this object. This needs to be called when the ImageView is
 * no longer used. A good example is from {@link android.view.View#onDetachedFromWindow()} or
 * from {@link android.app.Activity#onDestroy()}. This is automatically called if you are using
 * {@link com.marshalchen.common.uimodule.photoview.PhotoView}.
 */
@SuppressWarnings("deprecation")
public void cleanup() {
    if (null == mImageView) {
        return; // cleanup already done
    }

    final ImageView imageView = mImageView.get();

    if (null != imageView) {
        // Remove this as a global layout listener
        ViewTreeObserver observer = imageView.getViewTreeObserver();
        if (null != observer && observer.isAlive()) {
            observer.removeGlobalOnLayoutListener(this);
        }

        // Remove the ImageView's reference to this
        imageView.setOnTouchListener(null);

        // make sure a pending fling runnable won't be run
        cancelFling();
    }

    if (null != mGestureDetector) {
        mGestureDetector.setOnDoubleTapListener(null);
    }

    // Clear listeners too
    mMatrixChangeListener = null;
    mPhotoTapListener = null;
    mViewTapListener = null;

    // Finally, clear ImageView
    mImageView = null;
}

Source File: GlideLoader.java From ImageLoader with Apache License 2.0

5 votes

@Override
public void debug(final SingleConfig config) {
    if(config.getTarget() instanceof ImageView) {
         ImageView imageView = (ImageView) config.getTarget();
        imageView.setOnTouchListener(new View.OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent event) {
                if(event.getAction() != MotionEvent.ACTION_DOWN){
                    return false;
                }

                Object o = v.getTag(R.drawable.im_item_list_opt);
                if(!(o instanceof SingleConfig)){
                    return false;
                }
                if(event.getX() > MyUtil.dip2px(40) || event.getY() > MyUtil.dip2px(40)){
                    return false;
                }

                SingleConfig singleConfig = (SingleConfig) o;
                showPop((ImageView)v,singleConfig);
                return false;
            }
        });

    }
}

Source File: ItemTouchAdapter.java From Xrv with Apache License 2.0

5 votes

@SuppressLint("ClickableViewAccessibility")
private void linearConvert(final CommonHolder holder, Bean item) {
    holder.setText(R.id.tv_style0, item.content);
    ImageView ivHandler = holder.getView(R.id.iv_style0_handler);
    ivHandler.setOnTouchListener(new View.OnTouchListener() {
        @Override
        public boolean onTouch(View v, MotionEvent event) {
            if (event.getAction() == MotionEvent.ACTION_DOWN && getItemCount() > 1 && startDragListener != null) {
                // Step 9-5: 只有调用onStartDrag才会触发拖拽 (这里在touch时开始拖拽，当然也可以单击或长按时才开始拖拽)
                startDragListener.onStartDrag(holder);
                return true;
            }
            return false;
        }
    });
    // Step 9-7: 设置ItemTouchListener
    holder.setOnItemTouchListener(new ItemTouchHelperViewHolder() {
        @Override
        public void onItemSelected() {
            // 触发拖拽时回调
            holder.itemView.setBackgroundColor(colorSelected);
        }

        @Override
        public void onItemClear() {
            // 手指松开时回调
            holder.itemView.setBackgroundColor(0);
        }
    });
}

Source File: MainActivity.java From PinchToZoom with MIT License

5 votes

@Override
public Object instantiateItem(ViewGroup container, int position) {
    Context context = container.getContext();
    LayoutInflater layoutInflater = LayoutInflater.from(context);
    View view = layoutInflater.inflate(R.layout.page_image, null);
    container.addView(view);

    ImageView imageView = view.findViewById(R.id.image);
    imageView.setImageDrawable(drawables.get(position));

    ImageMatrixTouchHandler imageMatrixTouchHandler = new ImageMatrixTouchHandler(context);
    imageView.setOnTouchListener(imageMatrixTouchHandler);

    return view;
}

Source File: AdapterAccounts.java From fingen with Apache License 2.0

4 votes

@Override
public void onBindViewHolder(@NonNull final RecyclerView.ViewHolder viewHolder, int position) {

    Account account = accountList.get(position);

    AccountViewHolder avh = (AccountViewHolder) viewHolder;

    ImageView icon = avh.imageViewIcon;

    avh.itemView.setLongClickable(true);

    avh.textViewName.setText(account.getName());

    String[] accountTypes = mActivity.getResources().getStringArray(R.array.account_types);
    String accountType = accountTypes[account.getAccountType().ordinal()];

    Cabbage cabbage = AccountManager.getCabbage(account, mActivity);
    avh.textViewType.setText(String.format("%s (%s)", accountType, cabbage.getCode()));

    CabbageFormatter cabbageFormatter = new CabbageFormatter(cabbage);
    Boolean showInEx = PreferenceManager.getDefaultSharedPreferences(mActivity).getBoolean(FgConst.PREF_SHOW_INCOME_EXPENSE_FOR_ACCOUNTS, true);
    if (showInEx) {
        mActivity.unsubscribeOnDestroy(
                cabbageFormatter.formatRx(account.getIncome())
                        .subscribeOn(Schedulers.io())
                        .observeOn(AndroidSchedulers.mainThread())
                        .subscribe(s -> {
                            avh.textViewIncome.setText(s);
                            avh.textViewIncome.setVisibility(View.VISIBLE);
                        }));
        mActivity.unsubscribeOnDestroy(
                cabbageFormatter.formatRx(account.getExpense())
                        .subscribeOn(Schedulers.io())
                        .observeOn(AndroidSchedulers.mainThread())
                        .subscribe(s -> {
                            avh.textViewOutcome.setText(s);
                            avh.textViewOutcome.setVisibility(View.VISIBLE);
                        }));
        avh.textViewOutcome.setVisibility(View.VISIBLE);
    } else {
        avh.textViewIncome.setVisibility(View.GONE);
        avh.textViewOutcome.setVisibility(View.GONE);
    }

    mActivity.unsubscribeOnDestroy(
            cabbageFormatter.formatRx(account.getCurrentBalance())
                    .subscribeOn(Schedulers.io())
                    .observeOn(AndroidSchedulers.mainThread())
                .subscribe(s -> avh.textViewCurBalance.setText(s))
    );

    int compareToZero = account.getCurrentBalance().setScale(cabbage.getDecimalCount(), RoundingMode.HALF_EVEN).compareTo(BigDecimal.ZERO);

    switch (compareToZero) {
        case -1:
            avh.textViewCurBalance.setTextColor(ContextCompat.getColor(mActivity, R.color.negative_color));
            break;
        case 0:
            avh.textViewCurBalance.setTextColor(ContextCompat.getColor(mActivity, R.color.light_gray_text));
            break;
        case 1:
            avh.textViewCurBalance.setTextColor(ContextCompat.getColor(mActivity, R.color.positive_color));
            break;
    }

    if (mDragMode) {
        icon.setImageDrawable(mActivity.getDrawable(R.drawable.ic_drag));
        icon.setOnTouchListener((v, event) -> {
            if (MotionEventCompat.getActionMasked(event) == MotionEvent.ACTION_DOWN) {
                mDragStartListener.onStartDrag(viewHolder);
                return true;
            } else {
                return false;
            }
        });
    } else {
        icon.setImageDrawable(IconGenerator.getAccountIcon(account.getAccountType(), compareToZero, account.getIsClosed(), mActivity));
        icon.setOnTouchListener((view, motionEvent) -> false);
    }

    if (position == accountList.size() - 1) {
        avh.mSpaceBottom.setVisibility(View.GONE);
        avh.mSpaceBottomFinal.setVisibility(View.VISIBLE);
    } else {
        avh.mSpaceBottom.setVisibility(View.VISIBLE);
        avh.mSpaceBottomFinal.setVisibility(View.GONE);
    }

    if (account.getCreditLimit().compareTo(BigDecimal.ZERO) < 0) {
        avh.mProgresBarLayout.setVisibility(View.VISIBLE);
        buildProgresBar(avh, account, cabbage, mActivity);
    } else {
        avh.mProgresBarLayout.setVisibility(View.GONE);
    }

    avh.account = account;

}

Source File: InputPanel.java From Android with MIT License

4 votes

public InputPanel(View rootview) {
    context = rootview.getContext();
    inputView = rootview.findViewById(R.id.layout_inputbottom);
    exBottomLayout = (ExBottomLayout) rootview.findViewById(R.id.layout_exbottom);
    recordView = (RecordView) rootview.findViewById(R.id.recordview);

    inputMore = (ImageView) inputView.findViewById(R.id.inputmore);
    inputEdit = (ChatEditText) inputView.findViewById(R.id.inputedit);
    inputFace = (ImageView) inputView.findViewById(R.id.inputface);
    inputVoice = (ImageView) inputView.findViewById(R.id.inputvoice);
    inputTxt = (TextView) inputView.findViewById(R.id.inputtxt);

    recordView.setVisibility(View.GONE);
    initEdit();

    inputMore.setOnClickListener(clickListener);
    inputFace.setOnClickListener(clickListener);
    inputTxt.setOnClickListener(clickListener);
    inputVoice.setOnTouchListener(new View.OnTouchListener() {
        @Override
        public boolean onTouch(View v, MotionEvent event) {
            if( !((ChatActivity)context).isOpenRecord()){
                return true;
            }

            inputView.setVisibility(View.INVISIBLE);
            recordView.setVisibility(View.VISIBLE);
            int[] location = new int[2];
            inputVoice.getLocationOnScreen(location);
            recordView.slideVRecord(event, location);
            if (event.getAction() == MotionEvent.ACTION_CANCEL || event.getAction() == MotionEvent.ACTION_UP) {
                inputView.setVisibility(View.VISIBLE);
                recordView.setVisibility(View.GONE);
            }
            return true;
        }
    });
    exBottomLayout.getEmojiPanel().setiEmojiClickListener(new IEmojiClickListener() {
        @Override
        public void onEmjClick(String emi) {
            Editable mEditable = inputEdit.getText();

            if (emi.equals("[DEL]")) {
                inputEdit.dispatchKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DEL));
            } else {
                int start = inputEdit.getSelectionStart();
                int end = inputEdit.getSelectionEnd();
                start = (start < 0 ? 0 : start);
                end = (start < 0 ? 0 : end);
                mEditable.replace(start, end, emi);
            }
        }

        @Override
        public void onEmtClick(String emt) {
            MsgSend.sendOuterMsg(MsgType.Emotion, emt);
        }
    });
}

Source File: MainActivity.java From Android-Basics-Codes with Artistic License 2.0

4 votes

@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		
		//��ȡ����ͼƬ
		Bitmap bmSrc = BitmapFactory.decodeResource(getResources(), R.drawable.bg);
		bmCopy = Bitmap.createBitmap(bmSrc.getWidth(), bmSrc.getHeight(), bmSrc.getConfig());
		paint = new Paint();
		canvas = new Canvas(bmCopy);
		//����
		canvas.drawBitmap(bmSrc, new Matrix(), paint);
		
		iv = (ImageView) findViewById(R.id.iv);
		iv.setImageBitmap(bmCopy);
		
		iv.setOnTouchListener(new OnTouchListener() {
			

			//����imageviewʱ����
			@Override
			public boolean onTouch(View v, MotionEvent event) {
				switch (event.getAction()) {
				//��ָ������Ļ
				case MotionEvent.ACTION_DOWN:
					//��ȡ���������ImageView������
					startX = (int) event.getX();
					startY = (int) event.getY();
//					System.out.println(startX + ";" + startY);
					break;
					//��ָ�뿪��Ļ
				case MotionEvent.ACTION_UP:
					break;
					//��ָ����
				case MotionEvent.ACTION_MOVE:
					int newX = (int) event.getX();
					int newY = (int) event.getY();
//					System.out.println(newX + ";" + newY);
					
					//���ݻ�ȡ�����꣬����ֱ��
					canvas.drawLine(startX, startY, newX, newY, paint);
					startX = newX;
					startY = newY;
					iv.setImageBitmap(bmCopy);
					break;
				}
				//����true��ʾ����iv������������¼��������false����ʾ���¼����ݸ����ڵ�
				return true;
			}
		});
	}

Java Code Examples for android.widget.ImageView#setOnTouchListener()