From 9112ec3039dda4186c6f957981237c0691db2269 Mon Sep 17 00:00:00 2001 From: Winson Chung Date: Mon, 27 Jun 2011 13:15:32 -0700 Subject: Binding Pwr+VolDown to take screenshot. Change-Id: I77b018538f6bc870f59df0b5336ba95f4582beec --- packages/SystemUI/AndroidManifest.xml | 5 + .../global_screenshot_background.9.png | Bin 0 -> 358 bytes .../global_screenshot_background.9.png | Bin 0 -> 358 bytes packages/SystemUI/res/layout/global_screenshot.xml | 40 +++ packages/SystemUI/res/values/strings.xml | 5 + .../systemui/screenshot/GlobalScreenshot.java | 384 +++++++++++++++++++++ .../systemui/screenshot/TakeScreenshotService.java | 50 +++ 7 files changed, 484 insertions(+) create mode 100644 packages/SystemUI/res/drawable-hdpi/global_screenshot_background.9.png create mode 100644 packages/SystemUI/res/drawable-mdpi/global_screenshot_background.9.png create mode 100644 packages/SystemUI/res/layout/global_screenshot.xml create mode 100644 packages/SystemUI/src/com/android/systemui/screenshot/GlobalScreenshot.java create mode 100644 packages/SystemUI/src/com/android/systemui/screenshot/TakeScreenshotService.java (limited to 'packages/SystemUI') diff --git a/packages/SystemUI/AndroidManifest.xml b/packages/SystemUI/AndroidManifest.xml index 6d8eab6..f42cbbf 100644 --- a/packages/SystemUI/AndroidManifest.xml +++ b/packages/SystemUI/AndroidManifest.xml @@ -25,6 +25,11 @@ android:exported="true" /> + + + diff --git a/packages/SystemUI/res/drawable-hdpi/global_screenshot_background.9.png b/packages/SystemUI/res/drawable-hdpi/global_screenshot_background.9.png new file mode 100644 index 0000000..e14111d Binary files /dev/null and b/packages/SystemUI/res/drawable-hdpi/global_screenshot_background.9.png differ diff --git a/packages/SystemUI/res/drawable-mdpi/global_screenshot_background.9.png b/packages/SystemUI/res/drawable-mdpi/global_screenshot_background.9.png new file mode 100644 index 0000000..e14111d Binary files /dev/null and b/packages/SystemUI/res/drawable-mdpi/global_screenshot_background.9.png differ diff --git a/packages/SystemUI/res/layout/global_screenshot.xml b/packages/SystemUI/res/layout/global_screenshot.xml new file mode 100644 index 0000000..6cb8799 --- /dev/null +++ b/packages/SystemUI/res/layout/global_screenshot.xml @@ -0,0 +1,40 @@ + + + + + + + + + diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml index 86e0cd0..70f9b75 100644 --- a/packages/SystemUI/res/values/strings.xml +++ b/packages/SystemUI/res/values/strings.xml @@ -165,4 +165,9 @@ Mount as a camera (PTP) Install Android File Transfer application for Mac + + + Screenshot saved to Gallery + + Could not save screenshot diff --git a/packages/SystemUI/src/com/android/systemui/screenshot/GlobalScreenshot.java b/packages/SystemUI/src/com/android/systemui/screenshot/GlobalScreenshot.java new file mode 100644 index 0000000..83a5578 --- /dev/null +++ b/packages/SystemUI/src/com/android/systemui/screenshot/GlobalScreenshot.java @@ -0,0 +1,384 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.systemui.screenshot; + +import android.animation.Animator; +import android.animation.AnimatorListenerAdapter; +import android.animation.AnimatorSet; +import android.animation.ObjectAnimator; +import android.animation.TimeInterpolator; +import android.animation.ValueAnimator; +import android.animation.ValueAnimator.AnimatorUpdateListener; +import android.app.Activity; +import android.content.ContentValues; +import android.content.Context; +import android.graphics.Bitmap; +import android.graphics.Canvas; +import android.graphics.Matrix; +import android.graphics.PixelFormat; +import android.media.MediaScannerConnection; +import android.net.Uri; +import android.os.AsyncTask; +import android.os.Binder; +import android.os.Environment; +import android.os.ServiceManager; +import android.provider.MediaStore; +import android.util.DisplayMetrics; +import android.util.Log; +import android.view.Display; +import android.view.IWindowManager; +import android.view.LayoutInflater; +import android.view.MotionEvent; +import android.view.Surface; +import android.view.View; +import android.view.ViewGroup; +import android.view.WindowManager; +import android.widget.FrameLayout; +import android.widget.ImageView; +import android.widget.TextView; +import android.widget.Toast; + +import com.android.systemui.R; + +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.OutputStream; +import java.lang.Thread; +import java.text.SimpleDateFormat; +import java.util.Date; + +/** + * POD used in the AsyncTask which saves an image in the background. + */ +class SaveImageInBackgroundData { + Context context; + Bitmap image; + int result; +} + +/** + * An AsyncTask that saves an image to the media store in the background. + */ +class SaveImageInBackgroundTask extends AsyncTask { + private static final String TAG = "SaveImageInBackgroundTask"; + private static final String SCREENSHOTS_DIR_NAME = "Screenshots"; + private static final String SCREENSHOT_FILE_PATH_TEMPLATE = "%s/%s/Screenshot_%s-%d.png"; + + @Override + protected SaveImageInBackgroundData doInBackground(SaveImageInBackgroundData... params) { + if (params.length != 1) return null; + + Context context = params[0].context; + Bitmap image = params[0].image; + + try{ + long currentTime = System.currentTimeMillis(); + String date = new SimpleDateFormat("MM-dd-yy-kk-mm-ss").format(new Date(currentTime)); + String imageDir = Environment.getExternalStoragePublicDirectory( + Environment.DIRECTORY_PICTURES).getAbsolutePath(); + String imageFilePath = String.format(SCREENSHOT_FILE_PATH_TEMPLATE, + imageDir, SCREENSHOTS_DIR_NAME, + date, currentTime % 1000); + + // Save the screenshot to the MediaStore + ContentValues values = new ContentValues(); + values.put(MediaStore.Images.ImageColumns.DATA, imageFilePath); + values.put(MediaStore.Images.ImageColumns.TITLE, "Screenshot"); + values.put(MediaStore.Images.ImageColumns.DISPLAY_NAME, "Screenshot"); + values.put(MediaStore.Images.ImageColumns.DATE_TAKEN, currentTime); + values.put(MediaStore.Images.ImageColumns.DATE_ADDED, currentTime); + values.put(MediaStore.Images.ImageColumns.DATE_MODIFIED, currentTime); + values.put(MediaStore.Images.ImageColumns.MIME_TYPE, "image/png"); + Uri uri = context.getContentResolver().insert( + MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values); + + OutputStream out = context.getContentResolver().openOutputStream(uri); + image.compress(Bitmap.CompressFormat.PNG, 100, out); + out.flush(); + out.close(); + + params[0].result = 0; + }catch(IOException e){ + params[0].result = 1; + } + + return params[0]; + }; + + @Override + protected void onPostExecute(SaveImageInBackgroundData params) { + if (params.result > 0) { + // Show a message that we've failed to save the image to disk + Toast.makeText(params.context, R.string.screenshot_failed_toast, + Toast.LENGTH_SHORT).show(); + } else { + // Show a message that we've saved the screenshot to disk + Toast.makeText(params.context, R.string.screenshot_saving_toast, + Toast.LENGTH_SHORT).show(); + } + }; +} + +/** + * TODO: + * - Performance when over gl surfaces? Ie. Gallery + * - what do we say in the Toast? Which icon do we get if the user uses another + * type of gallery? + */ +class GlobalScreenshot { + private static final String TAG = "GlobalScreenshot"; + private static final int SCREENSHOT_FADE_IN_DURATION = 900; + private static final int SCREENSHOT_FADE_OUT_DELAY = 1000; + private static final int SCREENSHOT_FADE_OUT_DURATION = 450; + private static final int TOAST_FADE_IN_DURATION = 500; + private static final int TOAST_FADE_OUT_DELAY = 1000; + private static final int TOAST_FADE_OUT_DURATION = 500; + private static final float BACKGROUND_ALPHA = 0.65f; + private static final float SCREENSHOT_SCALE = 0.85f; + private static final float SCREENSHOT_MIN_SCALE = 0.7f; + private static final float SCREENSHOT_ROTATION = -6.75f; // -12.5f; + + private Context mContext; + private LayoutInflater mLayoutInflater; + private IWindowManager mIWindowManager; + private WindowManager mWindowManager; + private WindowManager.LayoutParams mWindowLayoutParams; + private Display mDisplay; + private DisplayMetrics mDisplayMetrics; + private Matrix mDisplayMatrix; + + private Bitmap mScreenBitmap; + private View mScreenshotLayout; + private ImageView mBackgroundView; + private FrameLayout mScreenshotContainerView; + private ImageView mScreenshotView; + + private AnimatorSet mScreenshotAnimation; + + // General use cubic interpolator + final TimeInterpolator mCubicInterpolator = new TimeInterpolator() { + public float getInterpolation(float t) { + return t*t*t; + } + }; + // The interpolator used to control the background alpha at the start of the animation + final TimeInterpolator mBackgroundViewAlphaInterpolator = new TimeInterpolator() { + public float getInterpolation(float t) { + float tStep = 0.35f; + if (t < tStep) { + return t * (1f / tStep); + } else { + return 1f; + } + } + }; + + /** + * @param context everything needs a context :( + */ + public GlobalScreenshot(Context context) { + mContext = context; + mLayoutInflater = (LayoutInflater) + context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); + + // Inflate the screenshot layout + mDisplayMetrics = new DisplayMetrics(); + mDisplayMatrix = new Matrix(); + mScreenshotLayout = mLayoutInflater.inflate(R.layout.global_screenshot, null); + mBackgroundView = (ImageView) mScreenshotLayout.findViewById(R.id.global_screenshot_background); + mScreenshotContainerView = (FrameLayout) mScreenshotLayout.findViewById(R.id.global_screenshot_container); + mScreenshotView = (ImageView) mScreenshotLayout.findViewById(R.id.global_screenshot); + mScreenshotLayout.setFocusable(true); + mScreenshotLayout.setOnTouchListener(new View.OnTouchListener() { + @Override + public boolean onTouch(View v, MotionEvent event) { + // Intercept and ignore all touch events + return true; + } + }); + + // Setup the window that we are going to use + mIWindowManager = IWindowManager.Stub.asInterface( + ServiceManager.getService(Context.WINDOW_SERVICE)); + mWindowLayoutParams = new WindowManager.LayoutParams( + ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT, 0, 0, + WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY, + WindowManager.LayoutParams.FLAG_FULLSCREEN + | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED + | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED_SYSTEM + | WindowManager.LayoutParams.FLAG_KEEP_SURFACE_WHILE_ANIMATING + | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN + | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED, + PixelFormat.TRANSLUCENT); + mWindowLayoutParams.token = new Binder(); + mWindowLayoutParams.setTitle("ScreenshotAnimation"); + mWindowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); + mDisplay = mWindowManager.getDefaultDisplay(); + } + + /** + * Creates a new worker thread and saves the screenshot to the media store. + */ + private void saveScreenshotInWorkerThread() { + SaveImageInBackgroundData data = new SaveImageInBackgroundData(); + data.context = mContext; + data.image = mScreenBitmap; + new SaveImageInBackgroundTask().execute(data); + } + + /** + * @return the current display rotation in degrees + */ + private float getDegreesForRotation(int value) { + switch (value) { + case Surface.ROTATION_90: + return 90f; + case Surface.ROTATION_180: + return 180f; + case Surface.ROTATION_270: + return 270f; + } + return 0f; + } + + /** + * Takes a screenshot of the current display and shows an animation. + */ + void takeScreenshot() { + // We need to orient the screenshot correctly (and the Surface api seems to take screenshots + // only in the natural orientation of the device :!) + mDisplay.getRealMetrics(mDisplayMetrics); + float[] dims = {mDisplayMetrics.widthPixels, mDisplayMetrics.heightPixels}; + float degrees = getDegreesForRotation(mDisplay.getRotation()); + boolean requiresRotation = (degrees > 0); + if (requiresRotation) { + // Get the dimensions of the device in its native orientation + mDisplayMatrix.reset(); + mDisplayMatrix.preRotate(-degrees); + mDisplayMatrix.mapPoints(dims); + dims[0] = Math.abs(dims[0]); + dims[1] = Math.abs(dims[1]); + } + mScreenBitmap = Surface.screenshot((int) dims[0], (int) dims[1]); + if (requiresRotation) { + // Rotate the screenshot to the current orientation + Bitmap ss = Bitmap.createBitmap(mDisplayMetrics.widthPixels, + mDisplayMetrics.heightPixels, Bitmap.Config.ARGB_8888); + Canvas c = new Canvas(ss); + c.translate(ss.getWidth() / 2, ss.getHeight() / 2); + c.rotate(360f - degrees); + c.translate(-dims[0] / 2, -dims[1] / 2); + c.drawBitmap(mScreenBitmap, 0, 0, null); + mScreenBitmap = ss; + } + + // If we couldn't take the screenshot, notify the user + if (mScreenBitmap == null) { + Toast.makeText(mContext, R.string.screenshot_failed_toast, + Toast.LENGTH_SHORT).show(); + return; + } + + // Start the post-screenshot animation + startAnimation(); + } + + + /** + * Starts the animation after taking the screenshot + */ + private void startAnimation() { + // Add the view for the animation + mScreenshotView.setImageBitmap(mScreenBitmap); + mScreenshotLayout.requestFocus(); + + // Setup the animation with the screenshot just taken + if (mScreenshotAnimation != null) { + mScreenshotAnimation.end(); + } + + mWindowManager.addView(mScreenshotLayout, mWindowLayoutParams); + ValueAnimator screenshotFadeInAnim = createScreenshotFadeInAnimation(); + ValueAnimator screenshotFadeOutAnim = createScreenshotFadeOutAnimation(); + mScreenshotAnimation = new AnimatorSet(); + mScreenshotAnimation.play(screenshotFadeInAnim).before(screenshotFadeOutAnim); + mScreenshotAnimation.addListener(new AnimatorListenerAdapter() { + @Override + public void onAnimationEnd(Animator animation) { + // Save the screenshot once we have a bit of time now + saveScreenshotInWorkerThread(); + + mWindowManager.removeView(mScreenshotLayout); + } + }); + mScreenshotAnimation.start(); + } + private ValueAnimator createScreenshotFadeInAnimation() { + ValueAnimator anim = ValueAnimator.ofFloat(0f, 1f); + anim.setInterpolator(mCubicInterpolator); + anim.setDuration(SCREENSHOT_FADE_IN_DURATION); + anim.addListener(new AnimatorListenerAdapter() { + @Override + public void onAnimationStart(Animator animation) { + mBackgroundView.setVisibility(View.VISIBLE); + mScreenshotContainerView.setVisibility(View.VISIBLE); + } + }); + anim.addUpdateListener(new AnimatorUpdateListener() { + @Override + public void onAnimationUpdate(ValueAnimator animation) { + float t = ((Float) animation.getAnimatedValue()).floatValue(); + mBackgroundView.setAlpha(mBackgroundViewAlphaInterpolator.getInterpolation(t) * + BACKGROUND_ALPHA); + float scaleT = SCREENSHOT_SCALE + (1f - t) * SCREENSHOT_SCALE; + mScreenshotContainerView.setAlpha(t*t*t*t); + mScreenshotContainerView.setScaleX(scaleT); + mScreenshotContainerView.setScaleY(scaleT); + mScreenshotContainerView.setRotation(t * SCREENSHOT_ROTATION); + } + }); + return anim; + } + private ValueAnimator createScreenshotFadeOutAnimation() { + ValueAnimator anim = ValueAnimator.ofFloat(1f, 0f); + anim.setInterpolator(mCubicInterpolator); + anim.setStartDelay(SCREENSHOT_FADE_OUT_DELAY); + anim.setDuration(SCREENSHOT_FADE_OUT_DURATION); + anim.addListener(new AnimatorListenerAdapter() { + @Override + public void onAnimationEnd(Animator animation) { + mBackgroundView.setVisibility(View.GONE); + mScreenshotContainerView.setVisibility(View.GONE); + } + }); + anim.addUpdateListener(new AnimatorUpdateListener() { + @Override + public void onAnimationUpdate(ValueAnimator animation) { + float t = ((Float) animation.getAnimatedValue()).floatValue(); + float scaleT = SCREENSHOT_MIN_SCALE + + t*(SCREENSHOT_SCALE - SCREENSHOT_MIN_SCALE); + mScreenshotContainerView.setAlpha(t); + mScreenshotContainerView.setScaleX(scaleT); + mScreenshotContainerView.setScaleY(scaleT); + mBackgroundView.setAlpha(t * t * BACKGROUND_ALPHA); + } + }); + return anim; + } +} diff --git a/packages/SystemUI/src/com/android/systemui/screenshot/TakeScreenshotService.java b/packages/SystemUI/src/com/android/systemui/screenshot/TakeScreenshotService.java new file mode 100644 index 0000000..35eaedf --- /dev/null +++ b/packages/SystemUI/src/com/android/systemui/screenshot/TakeScreenshotService.java @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.systemui.screenshot; + +import android.app.Service; +import android.app.AlertDialog; +import android.content.ActivityNotFoundException; +import android.content.Context; +import android.content.DialogInterface; +import android.content.Intent; +import android.net.Uri; +import android.hardware.usb.UsbAccessory; +import android.hardware.usb.UsbManager; +import android.os.Bundle; +import android.os.IBinder; +import android.util.Log; + +import com.android.internal.app.AlertActivity; +import com.android.internal.app.AlertController; + +import com.android.systemui.R; + +public class TakeScreenshotService extends Service { + private static final String TAG = "TakeScreenshotService"; + + private static GlobalScreenshot mScreenshot; + + @Override + public IBinder onBind(Intent intent) { + if (mScreenshot == null) { + mScreenshot = new GlobalScreenshot(this); + } + mScreenshot.takeScreenshot(); + return null; + } +} -- cgit v1.1