List of usage examples for android.graphics Point Point
public Point()
From source file:com.fugueweb.pub.animation.ZoomActivity.java
/** * "Zooms" in a thumbnail view by assigning the high resolution image to a hidden "zoomed-in" * image view and animating its bounds to fit the entire activity content area. More * specifically:/*from w w w . j a va 2 s. co m*/ * * <ol> * <li>Assign the high-res image to the hidden "zoomed-in" (expanded) image view.</li> * <li>Calculate the starting and ending bounds for the expanded view.</li> * <li>Animate each of four positioning/sizing properties (X, Y, SCALE_X, SCALE_Y) * simultaneously, from the starting bounds to the ending bounds.</li> * <li>Zoom back out by running the reverse animation on click.</li> * </ol> * * @param thumbView The thumbnail view to zoom in. * @param imageResId The high-resolution version of the image represented by the thumbnail. */ private void zoomImageFromThumb(final View thumbView, int imageResId) { // If there's an animation in progress, cancel it immediately and proceed with this one. if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } // Load the high-resolution "zoomed-in" image. final ImageView expandedImageView = (ImageView) findViewById(R.id.expanded_image); expandedImageView.setImageResource(imageResId); // Calculate the starting and ending bounds for the zoomed-in image. This step // involves lots of math. Math. final Rect startBounds = new Rect(); final Rect finalBounds = new Rect(); final Point globalOffset = new Point(); // The start bounds are the global visible rectangle of the thumbnail, and the // final bounds are the global visible rectangle of the container view. Also // set the container view's offset as the origin for the bounds, since that's // the origin for the positioning animation properties (X, Y). thumbView.getGlobalVisibleRect(startBounds); findViewById(R.id.container).getGlobalVisibleRect(finalBounds, globalOffset); startBounds.offset(-globalOffset.x, -globalOffset.y); finalBounds.offset(-globalOffset.x, -globalOffset.y); // Adjust the start bounds to be the same aspect ratio as the final bounds using the // "center crop" technique. This prevents undesirable stretching during the animation. // Also calculate the start scaling factor (the end scaling factor is always 1.0). float startScale; if ((float) finalBounds.width() / finalBounds.height() > (float) startBounds.width() / startBounds.height()) { // Extend start bounds horizontally startScale = (float) startBounds.height() / finalBounds.height(); float startWidth = startScale * finalBounds.width(); float deltaWidth = (startWidth - startBounds.width()) / 2; startBounds.left -= deltaWidth; startBounds.right += deltaWidth; } else { // Extend start bounds vertically startScale = (float) startBounds.width() / finalBounds.width(); float startHeight = startScale * finalBounds.height(); float deltaHeight = (startHeight - startBounds.height()) / 2; startBounds.top -= deltaHeight; startBounds.bottom += deltaHeight; } // Hide the thumbnail and show the zoomed-in view. When the animation begins, // it will position the zoomed-in view in the place of the thumbnail. thumbView.setAlpha(0f); expandedImageView.setVisibility(View.VISIBLE); // Set the pivot point for SCALE_X and SCALE_Y transformations to the top-left corner of // the zoomed-in view (the default is the center of the view). expandedImageView.setPivotX(0f); expandedImageView.setPivotY(0f); // Construct and run the parallel animation of the four translation and scale properties // (X, Y, SCALE_X, and SCALE_Y). AnimatorSet set = new AnimatorSet(); set.play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left, finalBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top, finalBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScale, 1f)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScale, 1f)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; // Upon clicking the zoomed-in image, it should zoom back down to the original bounds // and show the thumbnail instead of the expanded image. final float startScaleFinal = startScale; expandedImageView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } // Animate the four positioning/sizing properties in parallel, back to their // original values. AnimatorSet set = new AnimatorSet(); set.play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScaleFinal)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScaleFinal)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { thumbView.setAlpha(1f); expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { thumbView.setAlpha(1f); expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; } }); }
From source file:com.android.leanlauncher.LauncherAppState.java
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1) static DynamicGrid createDynamicGrid(Context context, DynamicGrid dynamicGrid) { // Determine the dynamic grid properties WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); Display display = wm.getDefaultDisplay(); Point realSize = new Point(); display.getRealSize(realSize);/*from ww w . ja va 2s . c o m*/ DisplayMetrics dm = new DisplayMetrics(); display.getMetrics(dm); if (dynamicGrid == null) { Point smallestSize = new Point(); Point largestSize = new Point(); display.getCurrentSizeRange(smallestSize, largestSize); dynamicGrid = new DynamicGrid(context, context.getResources(), Math.min(smallestSize.x, smallestSize.y), Math.min(largestSize.x, largestSize.y), realSize.x, realSize.y, dm.widthPixels, dm.heightPixels); } // Update the icon size DeviceProfile grid = dynamicGrid.getDeviceProfile(); grid.updateFromConfiguration(context, context.getResources(), realSize.x, realSize.y, dm.widthPixels, dm.heightPixels); return dynamicGrid; }
From source file:com.klinker.android.twitter.ui.tweet_viewer.users_popup.ViewUsersPopup.java
public void setUpWindow() { requestWindowFeature(Window.FEATURE_ACTION_BAR); getWindow().setFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND, WindowManager.LayoutParams.FLAG_DIM_BEHIND); // Params for the window. // You can easily set the alpha and the dim behind the window from here WindowManager.LayoutParams params = getWindow().getAttributes(); params.alpha = 1.0f; // lower than one makes it more transparent params.dimAmount = .75f; // set it higher if you want to dim behind the window getWindow().setAttributes(params);/* ww w . ja v a 2s . c o m*/ // Gets the display size so that you can set the window to a percent of that Display display = getWindowManager().getDefaultDisplay(); Point size = new Point(); display.getSize(size); int width = size.x; int height = size.y; // You could also easily used an integer value from the shared preferences to set the percent if (height > width) { getWindow().setLayout((int) (width * .9), (int) (height * .8)); } else { getWindow().setLayout((int) (width * .7), (int) (height * .8)); } }
From source file:app.sunstreak.yourpisd.LoginActivity.java
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_login_new); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); if (toolbar != null) { setSupportActionBar(toolbar);//from ww w. j a v a 2s. c om } final SharedPreferences sharedPrefs = getPreferences(Context.MODE_PRIVATE); Display display = getWindowManager().getDefaultDisplay(); Point size = new Point(); display.getSize(size); height = size.y; mLoginFormView = findViewById(R.id.login_form); mLoginStatusView = (LinearLayout) findViewById(R.id.login_status); mLoginStatusMessageView = (TextView) findViewById(R.id.login_status_message); if (DateHelper.isAprilFools()) { LinearLayout container = (LinearLayout) mLoginFormView.findViewById(R.id.container); ImageView logo = (ImageView) container.findViewById(R.id.logo); InputStream is; try { is = getAssets().open("doge.png"); logo.setImageBitmap(BitmapFactory.decodeStream(is)); is.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } mAutoLogin = sharedPrefs.getBoolean("auto_login", false); System.out.println(mAutoLogin); session = ((YPApplication) getApplication()).session; try { boolean refresh = getIntent().getExtras().getBoolean("Refresh"); if (refresh) { mEmail = session.getUsername(); mPassword = session.getPassword(); showProgress(true); mAuthTask = new UserLoginTask(); mAuthTask.execute((Void) null); InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(mPasswordView.getWindowToken(), 0); } else mLoginFormView.setVisibility(View.VISIBLE); } catch (NullPointerException e) { // Keep going. } if (sharedPrefs.getBoolean("patched", false)) { SharedPreferences.Editor editor = sharedPrefs.edit(); editor.remove("password"); editor.putBoolean("patched", true); editor.commit(); } if (!sharedPrefs.getBoolean("AcceptedUserAgreement", false)) { AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle(getResources().getString(R.string.user_agreement_title)); builder.setMessage(getResources().getString(R.string.user_agreement)); // Setting Positive "Yes" Button builder.setPositiveButton("Agree", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { sharedPrefs.edit().putBoolean("AcceptedUserAgreement", true).commit(); dialog.cancel(); } }); // Setting Negative "NO" Button builder.setNegativeButton("Disagree", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // Write your code here to invoke NO event sharedPrefs.edit().putBoolean("AcceptedUserAgreement", false).commit(); Toast.makeText(LoginActivity.this, "Quitting app", Toast.LENGTH_SHORT).show(); finish(); } }); AlertDialog alertDialog = builder.create(); alertDialog.show(); } // Set up the remember_password CheckBox mRememberPasswordCheckBox = (CheckBox) findViewById(R.id.remember_password); mRememberPasswordCheckBox.setOnCheckedChangeListener(new OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { mRememberPassword = isChecked; } }); mRememberPassword = sharedPrefs.getBoolean("remember_password", false); mRememberPasswordCheckBox.setChecked(mRememberPassword); // Set up the auto_login CheckBox mAutoLoginCheckBox = (CheckBox) findViewById(R.id.auto_login); mAutoLoginCheckBox.setChecked(mAutoLogin); mAutoLoginCheckBox.setOnCheckedChangeListener(new OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton button, boolean isChecked) { mAutoLogin = isChecked; if (isChecked) { mRememberPasswordCheckBox.setChecked(true); } } }); // Set up the login form. mEmailView = (EditText) findViewById(R.id.email); mPasswordView = (EditText) findViewById(R.id.password); mPasswordView.setOnEditorActionListener(new TextView.OnEditorActionListener() { @Override public boolean onEditorAction(TextView textView, int id, KeyEvent keyEvent) { if (id == R.id.login || id == EditorInfo.IME_NULL) { attemptLogin(); return true; } return false; } }); //Load stored username/password mEmailView.setText(sharedPrefs.getString("email", mEmail)); mPasswordView.setText(new String(Base64.decode(sharedPrefs.getString("e_password", ""), Base64.DEFAULT))); // If the password was not saved, give focus to the password. if (mPasswordView.getText().equals("")) mPasswordView.requestFocus(); mLoginFormView = findViewById(R.id.login_form); mLoginStatusView = (LinearLayout) findViewById(R.id.login_status); mLoginStatusMessageView = (TextView) findViewById(R.id.login_status_message); findViewById(R.id.sign_in_button).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { attemptLogin(); } }); findViewById(R.id.sign_in_button).setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(mPasswordView.getWindowToken(), 0); return false; } }); mLoginFormView.setVisibility(View.VISIBLE); // Login if auto-login is checked. if (mAutoLogin) attemptLogin(); }
From source file:com.example.conallcurran.quick_click.English_Infants.java
private void zoomImageFromThumb(final View thumbView, int imageResId) { if (mCurrentAnimator != null) { mCurrentAnimator.cancel();/*w w w . j av a 2 s . c o m*/ } final ImageView expandedImageView = (ImageView) findViewById(R.id.expanded_image); expandedImageView.setImageResource(imageResId); final Rect startBounds = new Rect(); final Rect finalBounds = new Rect(); final Point globalOffset = new Point(); thumbView.getGlobalVisibleRect(startBounds); findViewById(R.id.container).getGlobalVisibleRect(finalBounds, globalOffset); startBounds.offset(-globalOffset.x, -globalOffset.y); finalBounds.offset(-globalOffset.x, -globalOffset.y); float startScale; if ((float) finalBounds.width() / finalBounds.height() > (float) startBounds.width() / startBounds.height()) { startScale = (float) startBounds.height() / finalBounds.height(); float startWidth = startScale * finalBounds.width(); float deltaWidth = (startWidth - startBounds.width()) / 2; startBounds.left -= deltaWidth; startBounds.right += deltaWidth; } else { // Extend start bounds vertically startScale = (float) startBounds.width() / finalBounds.width(); float startHeight = startScale * finalBounds.height(); float deltaHeight = (startHeight - startBounds.height()) / 2; startBounds.top -= deltaHeight; startBounds.bottom += deltaHeight; } thumbView.setAlpha(0f); expandedImageView.setVisibility(View.VISIBLE); expandedImageView.setPivotX(0f); expandedImageView.setPivotY(0f); AnimatorSet set = new AnimatorSet(); set.play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left, finalBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top, finalBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScale, 1f)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScale, 1f)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; final float startScaleFinal = startScale; expandedImageView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } // Animate the four positioning/sizing properties in parallel, back to their // original values. AnimatorSet set = new AnimatorSet(); set.play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScaleFinal)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScaleFinal)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { thumbView.setAlpha(1f); expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { thumbView.setAlpha(1f); expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; } }); }
From source file:com.ibm.mil.readyapps.telco.hotspots.HotSpotActivity.java
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_hot_spot); ButterKnife.bind(this); detector = new GestureDetectorCompat(this, new GestureListener()); presenter = new HotSpotPresenterImpl(this, new HotSpotModelImpl()); setSupportActionBar(toolbar);// ww w . jav a2 s .c o m assert getSupportActionBar() != null; getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setDisplayShowTitleEnabled(false); progressBar.setColorSchemeColors(R.color.dark_indigo); // make map area 1/3 of available screen size Point screenSize = new Point(); getWindowManager().getDefaultDisplay().getSize(screenSize); mapArea.setLayoutParams( new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, screenSize.y / 3)); // prevent nested scroll view from scrolling up and down when gesture is performed on map mapTouchEventCaptureView.setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View view, MotionEvent motionEvent) { switch (motionEvent.getAction()) { case MotionEvent.ACTION_UP: case MotionEvent.ACTION_DOWN: nestedScrollView.requestDisallowInterceptTouchEvent(true); return false; default: return true; } } }); SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager() .findFragmentById(R.id.map); mapFragment.getMapAsync(this); }
From source file:android.example.com.animationdemos.ZoomActivity.java
/** * "Zooms" in a thumbnail view by assigning the high resolution image to a hidden "zoomed-in" * image view and animating its bounds to fit the entire activity content area. More * specifically:// ww w.ja v a 2s . co m * <p/> * <ol> * <li>Assign the high-res image to the hidden "zoomed-in" (expanded) image view.</li> * <li>Calculate the starting and ending bounds for the expanded view.</li> * <li>Animate each of four positioning/sizing properties (X, Y, SCALE_X, SCALE_Y) * simultaneously, from the starting bounds to the ending bounds.</li> * <li>Zoom back out by running the reverse animation on click.</li> * </ol> * * @param thumbView The thumbnail view to zoom in. * @param imageResId The high-resolution version of the image represented by the thumbnail. */ private void zoomImageFromThumb(final View thumbView, int imageResId) { // If there's an animation in progress, cancel it immediately and proceed with this one. if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } // Load the high-resolution "zoomed-in" image. final ImageView expandedImageView = (ImageView) findViewById(R.id.expanded_image); expandedImageView.setImageResource(imageResId); // Calculate the starting and ending bounds for the zoomed-in image. This step // involves lots of math. Yay, math. final Rect startBounds = new Rect(); final Rect finalBounds = new Rect(); final Point globalOffset = new Point(); // The start bounds are the global visible rectangle of the thumbnail, and the // final bounds are the global visible rectangle of the container view. Also // set the container view's offset as the origin for the bounds, since that's // the origin for the positioning animation properties (X, Y). thumbView.getGlobalVisibleRect(startBounds); findViewById(R.id.container).getGlobalVisibleRect(finalBounds, globalOffset); startBounds.offset(-globalOffset.x, -globalOffset.y); finalBounds.offset(-globalOffset.x, -globalOffset.y); // Adjust the start bounds to be the same aspect ratio as the final bounds using the // "center crop" technique. This prevents undesirable stretching during the animation. // Also calculate the start scaling factor (the end scaling factor is always 1.0). float startScale; if ((float) finalBounds.width() / finalBounds.height() > (float) startBounds.width() / startBounds.height()) { // Extend start bounds horizontally startScale = (float) startBounds.height() / finalBounds.height(); float startWidth = startScale * finalBounds.width(); float deltaWidth = (startWidth - startBounds.width()) / 2; startBounds.left -= deltaWidth; startBounds.right += deltaWidth; } else { // Extend start bounds vertically startScale = (float) startBounds.width() / finalBounds.width(); float startHeight = startScale * finalBounds.height(); float deltaHeight = (startHeight - startBounds.height()) / 2; startBounds.top -= deltaHeight; startBounds.bottom += deltaHeight; } // Hide the thumbnail and show the zoomed-in view. When the animation begins, // it will position the zoomed-in view in the place of the thumbnail. thumbView.setAlpha(0f); expandedImageView.setVisibility(View.VISIBLE); // Set the pivot point for SCALE_X and SCALE_Y transformations to the top-left corner of // the zoomed-in view (the default is the center of the view). expandedImageView.setPivotX(0f); expandedImageView.setPivotY(0f); // Construct and run the parallel animation of the four translation and scale properties // (X, Y, SCALE_X, and SCALE_Y). AnimatorSet set = new AnimatorSet(); set.play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left, finalBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top, finalBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScale, 1f)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScale, 1f)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; // Upon clicking the zoomed-in image, it should zoom back down to the original bounds // and show the thumbnail instead of the expanded image. final float startScaleFinal = startScale; expandedImageView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } // Animate the four positioning/sizing properties in parallel, back to their // original values. AnimatorSet set = new AnimatorSet(); set.play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScaleFinal)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScaleFinal)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { thumbView.setAlpha(1f); expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { thumbView.setAlpha(1f); expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; } }); }
From source file:com.normalexception.app.rx8club.activities.MainActivity.java
/** * On create method that will initialize our main layout and construct * our navigation menu. We then call our Login fragment to get the * application started/*from w ww . ja va 2s .c o m*/ */ @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_basiclist); mTitle = mDrawerTitle = getTitle(); constructNavMenu(); // Get our screen size Display display = getWindowManager().getDefaultDisplay(); Point size = new Point(); display.getSize(size); int width = size.x; int height = size.y; windowSizeW_H = new int[] { width, height }; if (savedInstanceState == null) { // Initial display displayView(7, false); } }
From source file:com.example.imac.animationsdemo.ZoomActivity.java
/** * "Zooms" in a thumbnail view by assigning the high resolution image to a hidden "zoomed-in" * image view and animating its bounds to fit the entire activity content area. More * specifically:/*from w w w . java2s.com*/ * <p/> * <ol> * <li>Assign the high-res image to the hidden "zoomed-in" (expanded) image view.</li> * <li>Calculate the starting and ending bounds for the expanded view.</li> * <li>Animate each of four positioning/sizing properties (X, Y, SCALE_X, SCALE_Y) * simultaneously, from the starting bounds to the ending bounds.</li> * <li>Zoom back out by running the reverse animation on click.</li> * </ol> * * @param thumbView The thumbnail view to zoom in. * @param imageResId The high-resolution version of the image represented by the thumbnail. */ private void zoomImageFromThumb(final View thumbView, int imageResId) { // If there's an animation in progress, cancel it immediately and proceed with this one. if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } // Load the high-resolution "zoomed-in" image. final ImageView expandedImageView = (ImageView) findViewById(R.id.expanded_image); expandedImageView.setImageResource(imageResId); // Calculate the starting and ending bounds for the zoomed-in image. This step // involves lots of math. Yay, math. final Rect startBounds = new Rect(); final Rect finalBounds = new Rect(); final Point globalOffset = new Point(); // The start bounds are the global visible rectangle of the thumbnail, and the // final bounds are the global visible rectangle of the container view. Also // set the container view's offset as the origin for the bounds, since that's // the origin for the positioning animation properties (X, Y). thumbView.getGlobalVisibleRect(startBounds); //? findViewById(R.id.container).getGlobalVisibleRect(finalBounds, globalOffset); startBounds.offset(-globalOffset.x, -globalOffset.y); finalBounds.offset(-globalOffset.x, -globalOffset.y); // Adjust the start bounds to be the same aspect ratio as the final bounds using the // "center crop" technique. This prevents undesirable stretching during the animation. // Also calculate the start scaling factor (the end scaling factor is always 1.0). float startScale; if ((float) finalBounds.width() / finalBounds.height() > (float) startBounds.width() / startBounds.height()) { // Extend start bounds horizontally startScale = (float) startBounds.height() / finalBounds.height(); float startWidth = startScale * finalBounds.width(); float deltaWidth = (startWidth - startBounds.width()) / 2; startBounds.left -= deltaWidth; startBounds.right += deltaWidth; } else { // Extend start bounds vertically startScale = (float) startBounds.width() / finalBounds.width(); float startHeight = startScale * finalBounds.height(); //?? float deltaHeight = (startHeight - startBounds.height()) / 2; //? ??? 2 ? startBounds.top -= deltaHeight; // startBounds.bottom += deltaHeight; // } // Hide the thumbnail and show the zoomed-in view. When the animation begins, // it will position the zoomed-in view in the place of the thumbnail. thumbView.setAlpha(0f); expandedImageView.setVisibility(View.VISIBLE); // Set the pivot point for SCALE_X and SCALE_Y transformations to the top-left corner of // the zoomed-in view (the default is the center of the view). expandedImageView.setPivotX(0f); expandedImageView.setPivotY(0f); // Construct and run the parallel animation of the four translation and scale properties // (X, Y, SCALE_X, and SCALE_Y). Log.e("==startBounds===", startBounds.left + " " + startBounds.top); AnimatorSet set = new AnimatorSet(); Log.e("=====", startBounds.left + " " + startBounds.top + " " + thumbView.getLeft() + " " + thumbView.getTop()); set.play(ObjectAnimator.ofFloat(expandedImageView, "X", startBounds.left, finalBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, "Y", startBounds.top, finalBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScale, 1f)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScale, 1f)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; // Upon clicking the zoomed-in image, it should zoom back down to the original bounds // and show the thumbnail instead of the expanded image. final float startScaleFinal = startScale; expandedImageView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } // Animate the four positioning/sizing properties in parallel, back to their // original values. AnimatorSet set = new AnimatorSet(); set.play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScaleFinal)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScaleFinal)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { thumbView.setAlpha(1f); // expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { thumbView.setAlpha(1f); // expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; } }); }
From source file:cn.androidy.materialdesignsample.animations.ZoomActivity.java
/** * "Zooms" in a thumbnail view by assigning the high resolution image to a hidden "zoomed-in" * image view and animating its bounds to fit the entire activity content area. More * specifically://from ww w. jav a 2 s. c om * * <ol> * <li>Assign the high-res image to the hidden "zoomed-in" (expanded) image view.</li> * <li>Calculate the starting and ending bounds for the expanded view.</li> * <li>Animate each of four positioning/sizing properties (X, Y, SCALE_X, SCALE_Y) * simultaneously, from the starting bounds to the ending bounds.</li> * <li>Zoom back out by running the reverse animation on click.</li> * </ol> * * @param thumbView The thumbnail view to zoom in. * @param imageResId The high-resolution version of the image represented by the thumbnail. */ private void zoomImageFromThumb(final View thumbView, int imageResId) { // If there's an animation in progress, cancel it immediately and proceed with this one. if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } // Load the high-resolution "zoomed-in" image. final ImageView expandedImageView = (ImageView) findViewById(R.id.expanded_image); expandedImageView.setImageResource(imageResId); // Calculate the starting and ending bounds for the zoomed-in image. This step // involves lots of math. Yay, math. final Rect startBounds = new Rect(); final Rect finalBounds = new Rect(); final Point globalOffset = new Point(); // The start bounds are the global visible rectangle of the thumbnail, and the // final bounds are the global visible rectangle of the container view. Also // set the container view's offset as the origin for the bounds, since that's // the origin for the positioning animation properties (X, Y). thumbView.getGlobalVisibleRect(startBounds); findViewById(R.id.container).getGlobalVisibleRect(finalBounds, globalOffset); startBounds.offset(-globalOffset.x, -globalOffset.y); finalBounds.offset(-globalOffset.x, -globalOffset.y); // Adjust the start bounds to be the same aspect ratio as the final bounds using the // "center crop" technique. This prevents undesirable stretching during the animation. // Also calculate the start scaling factor (the end scaling factor is always 1.0). float startScale; if ((float) finalBounds.width() / finalBounds.height() > (float) startBounds.width() / startBounds.height()) { // Extend start bounds horizontally startScale = (float) startBounds.height() / finalBounds.height(); float startWidth = startScale * finalBounds.width(); float deltaWidth = (startWidth - startBounds.width()) / 2; startBounds.left -= deltaWidth; startBounds.right += deltaWidth; } else { // Extend start bounds vertically startScale = (float) startBounds.width() / finalBounds.width(); float startHeight = startScale * finalBounds.height(); float deltaHeight = (startHeight - startBounds.height()) / 2; startBounds.top -= deltaHeight; startBounds.bottom += deltaHeight; } // Hide the thumbnail and show the zoomed-in view. When the animation begins, // it will position the zoomed-in view in the place of the thumbnail. thumbView.setAlpha(0f); expandedImageView.setVisibility(View.VISIBLE); // Set the pivot point for SCALE_X and SCALE_Y transformations to the top-left corner of // the zoomed-in view (the default is the center of the view). expandedImageView.setPivotX(0f); expandedImageView.setPivotY(0f); // Construct and run the parallel animation of the four translation and scale properties // (X, Y, SCALE_X, and SCALE_Y). AnimatorSet set = new AnimatorSet(); set.play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left, finalBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top, finalBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScale, 1f)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScale, 1f)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; // Upon clicking the zoomed-in image, it should zoom back down to the original bounds // and show the thumbnail instead of the expanded image. final float startScaleFinal = startScale; expandedImageView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (mCurrentAnimator != null) { mCurrentAnimator.cancel(); } // Animate the four positioning/sizing properties in parallel, back to their // original values. AnimatorSet set = new AnimatorSet(); set.play(ObjectAnimator.ofFloat(expandedImageView, View.X, startBounds.left)) .with(ObjectAnimator.ofFloat(expandedImageView, View.Y, startBounds.top)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_X, startScaleFinal)) .with(ObjectAnimator.ofFloat(expandedImageView, View.SCALE_Y, startScaleFinal)); set.setDuration(mShortAnimationDuration); set.setInterpolator(new DecelerateInterpolator()); set.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { thumbView.setAlpha(1f); expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } @Override public void onAnimationCancel(Animator animation) { thumbView.setAlpha(1f); expandedImageView.setVisibility(View.GONE); mCurrentAnimator = null; } }); set.start(); mCurrentAnimator = set; } }); }