List of usage examples for android.graphics.drawable PaintDrawable setShaderFactory
public void setShaderFactory(ShaderFactory fact)
From source file:com.yoloo.android.util.ScrimUtil.java
/** * Creates an approximated cubic gradient using a multi-stop linear gradient. See * <a href="https://plus.google.com/+RomanNurik/posts/2QvHVFWrHZf">this post</a> for more * details.//from www .j av a 2 s .co m */ public static Drawable makeCubicGradientScrimDrawable(int baseColor, int numStops, int gravity) { // Generate a cache key by hashing together the inputs, // based on the method described in the Effective Java book int cacheKeyHash = baseColor; cacheKeyHash = 31 * cacheKeyHash + numStops; cacheKeyHash = 31 * cacheKeyHash + gravity; Drawable cachedGradient = cubicGradientScrimCache.get(cacheKeyHash); if (cachedGradient != null) { return cachedGradient; } numStops = Math.max(numStops, 2); PaintDrawable paintDrawable = new PaintDrawable(); paintDrawable.setShape(new RectShape()); final int[] stopColors = new int[numStops]; final int red = Color.red(baseColor); final int green = Color.green(baseColor); final int blue = Color.blue(baseColor); final int alpha = Color.alpha(baseColor); for (int i = 0; i < numStops; i++) { float x = i * 1f / (numStops - 1); float opacity = MathUtils.constrain(0, 1, (float) Math.pow(x, 3)); stopColors[i] = Color.argb((int) (alpha * opacity), red, green, blue); } final float x0, x1, y0, y1; switch (gravity & Gravity.HORIZONTAL_GRAVITY_MASK) { case Gravity.START: x0 = 1; x1 = 0; break; case Gravity.END: x0 = 0; x1 = 1; break; default: x0 = 0; x1 = 0; break; } switch (gravity & Gravity.VERTICAL_GRAVITY_MASK) { case Gravity.TOP: y0 = 1; y1 = 0; break; case Gravity.BOTTOM: y0 = 0; y1 = 1; break; default: y0 = 0; y1 = 0; break; } paintDrawable.setShaderFactory(new ShapeDrawable.ShaderFactory() { @Override public Shader resize(int width, int height) { return new LinearGradient(width * x0, height * y0, width * x1, height * y1, stopColors, null, Shader.TileMode.CLAMP); } }); cubicGradientScrimCache.put(cacheKeyHash, paintDrawable); return paintDrawable; }
From source file:git.egatuts.nxtremotecontroller.activity.ControllerActivity.java
@Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); super.setActiveTheme(super.getPreferenceTheme()); super.setContentView(R.layout.controller_layout); toolbar = (Toolbar) this.findViewById(R.id.toolbar); super.setSupportToolbar(); toolbar.setNavigationOnClickListener(new View.OnClickListener() { @Override/*from w w w . j a v a 2 s . c om*/ public void onClick(View v) { ControllerActivity.this.onBackPressed(); } }); /* * We get the device from the extra data of the intent. */ this.device = this.getIntent().getParcelableExtra("device"); /* * We create the final variables we will use in the listeners, etc. */ final ControllerActivity self = this; final GlobalUtils utils = this.getGlobalUtils(); /* * We create the AlertDialog.Builder we will show to ask the user to reconnect with the device. */ this.builder = utils .createAlertDialog(utils.getStringResource(R.string.connecting_reconnect_title), utils.format(R.string.connecting_reconnect_message, this.device.getName())) .setNegativeButton(android.R.string.no, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { self.finish(); } }).setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { self.resume(); } }); /* * Now we define the progress dialog we will show while we are connecting with the device. * When the progress dialog has been cancelled it means the connection process has been cancelled. * But on dismiss we have to check if the connection failed or it succeed. */ this.progressDialog = this.getLongProgressDialog(); this.progressDialog.setOnCancelListener(new DialogInterface.OnCancelListener() { @Override public void onCancel(DialogInterface dialog) { self.aborted = true; utils.showToast(R.string.connecting_aborted); self.connector.closeConnectThread(); self.finish(); } }); /* * Now we declare the handler that will handle (so obviously) the messages * sent by the threads that are in the background connecting with the device. */ this.handler = new Handler() { @Override public void handleMessage(Message msg) { if ((self.connector.getConnectThread() == null || self.aborted) && self.connector.getConnectedThread() == null) { return; } int category = msg.what; int state; int error; if (category == NXTConnector.WHAT_CHANGE_STATE) { progressDialog.show(); state = msg.arg1; error = msg.arg2; if (NXTConnector.isPreparingConnection(state)) { progressDialog.setText(R.string.connecting_preparing_connection); } else if (NXTConnector.isCreatingSocket(state)) { progressDialog.setText(R.string.connecting_creating_socket); } else if (NXTConnector.isConnecting(state)) { progressDialog.setText(R.string.connecting_connecting); } else if (NXTConnector.isConnected(state)) { progressDialog.dismiss(); utils.showToast(R.string.connecting_connected, device.getName()); self.connected(); } } else if (category == NXTConnector.WHAT_ERROR_ENCOUNTERED) { progressDialog.dismiss(); self.connector.closeAllThreads(); error = msg.arg1; state = msg.arg2; boolean notReconnect = false; if (NXTConnector.connectionClosed(state, error)) { utils.showToast(R.string.connecting_connection_closed); notReconnect = true; ControllerActivity.this.finish(); } else if (NXTConnector.connectionLost(state, error)) { utils.showToast(R.string.connecting_connection_lost); if (!self.connector.getBluetoothUtils().isEnabled()) { notReconnect = true; ControllerActivity.this.finish(); } } else if (NXTConnector.connectionSocketFailed(state, error)) { utils.showToast(R.string.connecting_socket_error); } else if (NXTConnector.connectionRequestFailed(state, error)) { utils.showToast(R.string.connecting_request_failed); } else if (NXTConnector.connectionUnexpectedFailed(state, error)) { utils.showToast(R.string.connecting_unexpected_error); } if (!notReconnect) { self.builder.show(); } } } }; /* * Now we create the connector with the device and the handler * which we will use to connect and send messages to the robot. */ this.connector = new NXTConnector(this, this.device, this.handler); /* * We set the title with the device name. */ String title = utils.getStringResource(R.string.controller_window_title); this.setTitle(title + this.device.getName()); /* * We set the colors we will use with the drawables used in the tabs. */ final int underlineColor = utils.getAttribute(R.attr.toolbar_color); final int backgroundColor = utils.getAttribute(R.attr.toolbar_background); final int lightBackgroundColor = GlobalUtils.mixColors(backgroundColor, 0x55FFFFFF); /* * Now we create the drawables used in all the states of the tabs and then we assign * them to a StateListDrawable to add it to the tabs. */ ShapeDrawable.ShaderFactory tabSelectedFactory = new ShapeDrawable.ShaderFactory() { @Override public Shader resize(int width, int height) { return new LinearGradient(0, 0, /* Origin of the background (top left corner) */ 0, height, /* End of the background (bottom left corner) */ new int[] { backgroundColor, backgroundColor, /* The first gradient doesn't change color so it's like a rectangle shape */ underlineColor, underlineColor /* The same for the second one */ }, new float[] { 0, 51f / 55f, /* The first background covers 51dp out of 55dp */ 51f / 55f, 1 /* And the second one takes the rest of the space */ }, Shader.TileMode.REPEAT /* The repeat mode doesn't mind but this would look prettier in case of error */ ); } }; PaintDrawable tabSel = new PaintDrawable(); tabSel.setShape(new RectShape()); tabSel.setShaderFactory(tabSelectedFactory); ShapeDrawable.ShaderFactory tabSelectedAndPressedFactory = new ShapeDrawable.ShaderFactory() { @Override public Shader resize(int width, int height) { return new LinearGradient(0, 0, /* Origin of the background (top left corner) */ 0, height, /* End of the background (bottom left corner) */ new int[] { lightBackgroundColor, lightBackgroundColor, /* The first gradient doesn't change color so it's like a rectangle shape */ underlineColor, underlineColor /* The same for the second one */ }, new float[] { 0, 51f / 55f, /* The first background covers 51dp out of 55dp */ 51f / 55f, 1 /* And the second one takes the rest of the space */ }, Shader.TileMode.REPEAT /* The repeat mode doesn't mind but this would look prettier in case of error */ ); } }; PaintDrawable tabSelAndPress = new PaintDrawable(); tabSelAndPress.setShape(new RectShape()); tabSelAndPress.setShaderFactory(tabSelectedAndPressedFactory); /* * Now we create the states lists for the drawables and the colors. */ StateListDrawable drawableList = new StateListDrawable(); drawableList.addState(new int[] { -android.R.attr.state_selected, android.R.attr.state_pressed }, new ColorDrawable(lightBackgroundColor)); drawableList.addState(new int[] { -android.R.attr.state_selected, android.R.attr.state_pressed, android.R.attr.state_focused }, new ColorDrawable(lightBackgroundColor)); drawableList.addState(new int[] { android.R.attr.state_selected, -android.R.attr.state_pressed }, tabSel); drawableList.addState(new int[] { android.R.attr.state_selected, -android.R.attr.state_pressed, -android.R.attr.state_focused }, tabSel); drawableList.addState(new int[] { android.R.attr.state_selected, android.R.attr.state_pressed }, tabSelAndPress); drawableList.addState(new int[] { android.R.attr.state_selected, android.R.attr.state_pressed, android.R.attr.state_focused }, tabSelAndPress); drawableList.addState(new int[] {}, new ColorDrawable(backgroundColor)); int darkColor = utils.getAttribute(R.attr.toolbar_color); int lightColor = Color.argb(0xAA, Color.red(darkColor), Color.green(darkColor), Color.blue(darkColor)); int[][] states = new int[][] { new int[] { -android.R.attr.state_selected, android.R.attr.state_pressed }, new int[] { -android.R.attr.state_selected, android.R.attr.state_pressed, android.R.attr.state_focused }, new int[] { android.R.attr.state_selected, -android.R.attr.state_pressed }, new int[] { android.R.attr.state_selected, -android.R.attr.state_pressed, -android.R.attr.state_focused }, new int[] { android.R.attr.state_selected, android.R.attr.state_pressed }, new int[] { android.R.attr.state_selected, android.R.attr.state_pressed, android.R.attr.state_focused }, new int[] { -android.R.attr.state_selected, -android.R.attr.state_pressed, -android.R.attr.state_focused }, new int[] {} }; int[] colors = new int[] { lightColor, /* Text color when pressed and not selected */ lightColor, /* Text color when pressed (with focused fallback) */ darkColor, /* Text color when selected and not pressed */ darkColor, /* Text color when selected and not pressed (with focused fallback) */ darkColor, /* Text color when selected and pressed */ darkColor, /* Text color when selected and pressed (with focused fallback) */ lightColor, /* Normal color when not pressed, selected or focused */ lightColor /* Default text color */ }; ColorStateList colorList = new ColorStateList(states, colors); /* * We assign the drawable and the list to the activity instance to be accessible everywhere. */ this.tabSelected = tabSel; this.tabSelectedAndPressed = tabSelAndPress; this.tabDrawableList = drawableList; this.tabColorList = colorList; /* * Now we setup the tab host and add the tabs to the view. */ this.tabHost = (FragmentTabHost) this.findViewById(R.id.tabhost); this.tabHost.setup(this, super.fragmentManager, R.id.tabcontent); this.tabHost.getTabWidget().setDividerDrawable(null); this.addTab(this.createTabView(R.layout.controller_tab, R.string.controller_tab_local_title), R.string.controller_tab_local_spec, LocalControllerFragment.class); this.addTab(this.createTabView(R.layout.controller_tab, R.string.controller_tab_online_title), R.string.controller_tab_online_spec, OnlineControllerFragment.class); }
From source file:com.shollmann.igcparser.ui.activity.FlightPreviewActivity.java
public PaintDrawable getColorScala() { ShapeDrawable.ShaderFactory shaderFactory = new ShapeDrawable.ShaderFactory() { @Override//from w w w.ja v a 2s . co m public Shader resize(int width, int height) { LinearGradient linearGradient = new LinearGradient(width, height, 0, 0, new int[] { getResources().getColor(R.color.altitude_0_100), getResources().getColor(R.color.altitude_100_300), getResources().getColor(R.color.altitude_300_500), getResources().getColor(R.color.altitude_500_1000), getResources().getColor(R.color.altitude_1000_1500), getResources().getColor(R.color.altitude_1500_2000), getResources().getColor(R.color.altitude_2000_2500), getResources().getColor(R.color.altitude_more_than_2500) }, new float[] { 0, 0.07f, 0.14f, 0.28f, 0.42f, 0.56f, 0.7f, 0.84f }, Shader.TileMode.REPEAT); return linearGradient; } }; PaintDrawable paint = new PaintDrawable(); paint.setShape(new RectShape()); paint.setShaderFactory(shaderFactory); return paint; }