Anthony Restaino
8 years ago
8 changed files with 12 additions and 233 deletions
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Subproject commit 2d7f756be8f562b2cedca46de7d2ff24f9383040 |
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package acr.browser.lightning.view; |
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import android.animation.ObjectAnimator; |
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import android.content.Context; |
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import android.content.res.TypedArray; |
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import android.graphics.Canvas; |
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import android.graphics.Paint; |
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import android.graphics.Rect; |
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import android.os.Bundle; |
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import android.os.Parcelable; |
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import android.support.annotation.NonNull; |
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import android.util.AttributeSet; |
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import android.view.LayoutInflater; |
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import android.view.animation.Animation; |
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import android.view.animation.DecelerateInterpolator; |
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import android.view.animation.Transformation; |
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import android.widget.LinearLayout; |
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import acr.browser.lightning.R; |
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/** |
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* Copyright 11/4/2014 Anthony Restaino |
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* <p/> |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* <p/> |
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* http://www.apache.org/licenses/LICENSE-2.0
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* <p/> |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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public class AnimatedProgressBar extends LinearLayout { |
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private int mProgress = 0; |
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private boolean mBidirectionalAnimate = true; |
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private int mDrawWidth = 0; |
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private int mProgressColor; |
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public AnimatedProgressBar(@NonNull Context context, AttributeSet attrs) { |
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super(context, attrs); |
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init(context, attrs); |
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} |
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public AnimatedProgressBar(@NonNull Context context, AttributeSet attrs, int defStyleAttr) { |
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super(context, attrs, defStyleAttr); |
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init(context, attrs); |
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} |
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/** |
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* Initialize the AnimatedProgressBar |
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* |
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* @param context is the context passed by the constructor |
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* @param attrs is the attribute set passed by the constructor |
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*/ |
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private void init(@NonNull final Context context, AttributeSet attrs) { |
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TypedArray array = context.getTheme().obtainStyledAttributes(attrs, R.styleable.AnimatedProgressBar, 0, 0); |
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int backgroundColor; |
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try { // Retrieve the style of the progress bar that the user hopefully set
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int DEFAULT_BACKGROUND_COLOR = 0x424242; |
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int DEFAULT_PROGRESS_COLOR = 0x2196f3; |
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backgroundColor = array.getColor(R.styleable.AnimatedProgressBar_backgroundColor, DEFAULT_BACKGROUND_COLOR); |
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mProgressColor = array.getColor(R.styleable.AnimatedProgressBar_progressColor, DEFAULT_PROGRESS_COLOR); |
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mBidirectionalAnimate = array.getBoolean(R.styleable.AnimatedProgressBar_bidirectionalAnimate, false); |
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} finally { |
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array.recycle(); |
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} |
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LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); |
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inflater.inflate(R.layout.animated_progress_bar, this, true); |
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this.setBackgroundColor(backgroundColor); // set the background color for this view
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} |
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/** |
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* Returns the current progress value between 0 and 100 |
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* |
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* @return progress of the view |
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*/ |
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public int getProgress() { |
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return mProgress; |
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} |
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private final Paint mPaint = new Paint(); |
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private final Rect mRect = new Rect(); |
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@Override |
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protected void onDraw(@NonNull Canvas canvas) { |
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mPaint.setColor(mProgressColor); |
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mPaint.setStrokeWidth(10); |
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mRect.right = mRect.left + mDrawWidth; |
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canvas.drawRect(mRect, mPaint); |
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} |
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/** |
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* sets the progress as an integer value between 0 and 100. |
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* Values above or below that interval will be adjusted to their |
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* nearest value within the interval, i.e. setting a value of 150 will have |
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* the effect of setting the progress to 100. You cannot trick us. |
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* |
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* @param progress an integer between 0 and 100 |
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*/ |
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public void setProgress(int progress) { |
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if (progress > 100) { // progress cannot be greater than 100
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progress = 100; |
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} else if (progress < 0) { // progress cannot be less than 0
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progress = 0; |
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} |
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if (this.getAlpha() < 1.0f) { |
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fadeIn(); |
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} |
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int mWidth = this.getMeasuredWidth(); |
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// Set the drawing bounds for the ProgressBar
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mRect.left = 0; |
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mRect.top = 0; |
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mRect.bottom = this.getBottom() - this.getTop(); |
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if (progress < mProgress && !mBidirectionalAnimate) { // if the we only animate the view in one direction
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// then reset the view width if it is less than the
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// previous progress
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mDrawWidth = 0; |
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} else if (progress == mProgress) { // we don't need to go any farther if the progress is unchanged
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if (progress == 100) { |
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fadeOut(); |
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} |
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return; |
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} |
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mProgress = progress; // save the progress
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final int deltaWidth = (mWidth * mProgress / 100) - mDrawWidth; // calculate amount the width has to change
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animateView(mDrawWidth, mWidth, deltaWidth); // animate the width change
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} |
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/** |
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* private method used to create and run the animation used to change the progress |
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* |
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* @param initialWidth is the width at which the progress starts at |
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* @param maxWidth is the maximum width (total width of the view) |
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* @param deltaWidth is the amount by which the width of the progress view will change |
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*/ |
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private void animateView(final int initialWidth, final int maxWidth, final int deltaWidth) { |
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Animation fill = new Animation() { |
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@Override |
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protected void applyTransformation(float interpolatedTime, Transformation t) { |
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int width = initialWidth + (int) (deltaWidth * interpolatedTime); |
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if (width <= maxWidth) { |
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mDrawWidth = width; |
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invalidate(); |
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} |
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if ((1.0f - interpolatedTime) < 0.0005) { |
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if (mProgress >= 100) { |
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fadeOut(); |
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} |
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} |
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} |
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@Override |
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public boolean willChangeBounds() { |
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return false; |
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} |
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}; |
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fill.setDuration(500); |
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fill.setInterpolator(new DecelerateInterpolator()); |
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this.startAnimation(fill); |
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} |
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/** |
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* fades in the progress bar |
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*/ |
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private void fadeIn() { |
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ObjectAnimator fadeIn = ObjectAnimator.ofFloat(this, "alpha", 1.0f); |
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fadeIn.setDuration(200); |
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fadeIn.setInterpolator(new DecelerateInterpolator()); |
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fadeIn.start(); |
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} |
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/** |
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* fades out the progress bar |
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*/ |
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private void fadeOut() { |
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ObjectAnimator fadeOut = ObjectAnimator.ofFloat(this, "alpha", 0.0f); |
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fadeOut.setDuration(200); |
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fadeOut.setInterpolator(new DecelerateInterpolator()); |
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fadeOut.start(); |
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} |
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@Override |
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protected void onRestoreInstanceState(Parcelable state) { |
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if (state instanceof Bundle) { |
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Bundle bundle = (Bundle) state; |
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this.mProgress = bundle.getInt("progressState"); |
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state = bundle.getParcelable("instanceState"); |
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} |
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super.onRestoreInstanceState(state); |
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} |
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@NonNull |
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@Override |
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protected Parcelable onSaveInstanceState() { |
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Bundle bundle = new Bundle(); |
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bundle.putParcelable("instanceState", super.onSaveInstanceState()); |
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bundle.putInt("progressState", mProgress); |
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return bundle; |
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} |
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} |
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@ -1,6 +1,8 @@
@@ -1,6 +1,8 @@
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include ':app' |
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include ':libnetcipher' |
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include ':bonsai' |
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include ':animated-progress-bar' |
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project(':libnetcipher').projectDir = new File(rootProject.projectDir, 'external/netcipher/libnetcipher') |
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project(':bonsai').projectDir = new File(rootProject.projectDir, 'Bonsai/library') |
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project(':animated-progress-bar').projectDir = new File(rootProject.projectDir, 'AnimatedProgressBar/library') |
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