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Creates thumbnail from marker's photos for marker's list.

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These thumbnails are created and loaded async using cache from free memory available.
Fixes #545.
This commit is contained in:
Román Martínez
2020-12-08 17:57:24 +01:00
parent e9e9fdcc3f
commit 8a08e7b2b5
7 changed files with 380 additions and 74 deletions
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src/main/java/de/dennisguse/opentracks/util/ListItemUtils.java
+53 -48
View File
@@ -16,10 +16,9 @@
package de.dennisguse.opentracks.util;
import android.app.Activity;
import android.content.Context;
import android.content.res.TypedArray;
import android.net.Uri;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.text.format.DateUtils;
import android.view.Gravity;
import android.view.View;
@@ -37,15 +36,13 @@ import de.dennisguse.opentracks.R;
*/
public class ListItemUtils {
private static final int LIST_PREFERRED_ITEM_HEIGHT_DEFAULT = 128;
private ListItemUtils() {
}
/**
* Sets a list item.
*
* @param activity the activity
* @param context the context
* @param view the list item view
* @param isRecording true if recording
* @param isPaused true if paused
@@ -59,23 +56,9 @@ public class ListItemUtils {
* @param useRelativeTime true to display relative time if appropriate
* @param category the category value
* @param description the description value
* @param photoUrl the photo url
* @param hasPhoto true if this list item has photo
*/
public static void setListItem(Activity activity, View view, boolean isRecording, boolean isPaused, int iconId, int iconContentDescriptionId, String name, String totalTime, String totalDistance, int markerCount, long startTime, boolean useRelativeTime, String category, String description, String photoUrl) {
// Set photo
ImageView photo = view.findViewById(R.id.list_item_photo);
ImageView textGradient = view.findViewById(R.id.list_item_text_gradient);
boolean hasPhoto = photoUrl != null && !photoUrl.equals("");
photo.setVisibility(hasPhoto ? View.VISIBLE : View.GONE);
textGradient.setVisibility(hasPhoto ? View.VISIBLE : View.GONE);
if (hasPhoto) {
photo.getLayoutParams().height = getPhotoHeight(activity);
photo.setImageResource(android.R.color.transparent);
photo.setImageURI(Uri.parse(photoUrl));
}
public static void setListItem(Context context, View view, boolean isRecording, boolean isPaused, int iconId, int iconContentDescriptionId, String name, String totalTime, String totalDistance, int markerCount, long startTime, boolean useRelativeTime, String category, String description, boolean hasPhoto) {
// Set icon
if (isRecording) {
iconId = isPaused ? R.drawable.ic_track_paused : R.drawable.ic_track_recording;
@@ -84,27 +67,27 @@ public class ListItemUtils {
ImageView iconImageView = view.findViewById(R.id.list_item_icon);
iconImageView.setImageResource(iconId);
iconImageView.setContentDescription(activity.getString(iconContentDescriptionId));
iconImageView.setContentDescription(context.getString(iconContentDescriptionId));
// Set name
TextView nameTextView = view.findViewById(R.id.list_item_name);
setTextView(activity, nameTextView, name, hasPhoto);
setTextView(context, nameTextView, name, hasPhoto);
// Set totalTime/totalDistance
TextView timeDistanceTextView = view.findViewById(R.id.list_item_time_distance);
String timeDistanceText;
if (isRecording) {
timeDistanceTextView.setTextColor(activity.getResources().getColor(isPaused ? android.R.color.white : R.color.recording_text));
timeDistanceText = activity.getString(isPaused ? R.string.generic_paused : R.string.generic_recording);
timeDistanceTextView.setTextColor(context.getResources().getColor(isPaused ? android.R.color.white : R.color.recording_text));
timeDistanceText = context.getString(isPaused ? R.string.generic_paused : R.string.generic_recording);
} else {
// Match list_item_time_distance in list_item.xml
timeDistanceTextView.setTextAppearance(activity, R.style.TextSmall);
timeDistanceTextView.setTextAppearance(context, R.style.TextSmall);
timeDistanceText = getTimeDistance(totalTime, totalDistance);
if (markerCount > 0) {
timeDistanceText += " \u2027";
}
}
setTextView(activity, timeDistanceTextView, timeDistanceText, hasPhoto);
setTextView(context, timeDistanceTextView, timeDistanceText, hasPhoto);
// Set markerCount
ImageView markerCountIcon = view.findViewById(R.id.list_item_marker_count_icon);
@@ -119,15 +102,15 @@ public class ListItemUtils {
layoutParams.width = lineHeight;
layoutParams.height = lineHeight;
}
setTextView(activity, markerCountTextView, markerCountValue, hasPhoto);
setTextView(context, markerCountTextView, markerCountValue, hasPhoto);
// Set date/time
String[] dateTime = getDateTime(isRecording, activity, startTime, useRelativeTime);
String[] dateTime = getDateTime(isRecording, context, startTime, useRelativeTime);
TextView dateTextView = view.findViewById(R.id.list_item_date);
setTextView(activity, dateTextView, dateTime[0], hasPhoto);
setTextView(context, dateTextView, dateTime[0], hasPhoto);
TextView timeTextView = view.findViewById(R.id.list_item_time);
setTextView(activity, timeTextView, dateTime[1], hasPhoto);
setTextView(context, timeTextView, dateTime[1], hasPhoto);
// Set category and description
TextView categoryDescriptionTextView = view.findViewById(R.id.list_item_category_description);
@@ -135,15 +118,15 @@ public class ListItemUtils {
// Place categoryDescription in either ownerTimeDistanceTextView or categoryDescriptionTextView
if (timeDistanceTextView.getVisibility() == View.GONE && markerCountIcon.getVisibility() == View.GONE) {
setTextView(activity, categoryDescriptionTextView, null, hasPhoto);
setTextView(context, categoryDescriptionTextView, null, hasPhoto);
// Match list_item_category_description in list_item.xml
timeDistanceTextView.setSingleLine(false);
timeDistanceTextView.setMaxLines(2);
setTextView(activity, timeDistanceTextView, categoryDescription, hasPhoto);
setTextView(context, timeDistanceTextView, categoryDescription, hasPhoto);
} else {
// Match list_item_time_distance in list_item.xml
timeDistanceTextView.setSingleLine(true);
setTextView(activity, categoryDescriptionTextView, categoryDescription, hasPhoto);
setTextView(context, categoryDescriptionTextView, categoryDescription, hasPhoto);
}
// Adjust iconImageView layout gravity
@@ -151,6 +134,41 @@ public class ListItemUtils {
params.gravity = timeDistanceTextView.getVisibility() == View.GONE && markerCountIcon.getVisibility() == View.GONE ? Gravity.TOP : Gravity.CENTER_VERTICAL;
}
private static Bitmap decodeSampledBitmapFromResource(String photoUrl, int reqWidth, int reqHeight) {
// First decode with inJustDecodeBounds=true to check dimensions
final BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeFile(photoUrl, options);
// Calculate inSampleSize
options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight);
// Decode bitmap with inSampleSize set
options.inJustDecodeBounds = false;
return BitmapFactory.decodeFile(photoUrl, options);
}
private static int calculateInSampleSize(BitmapFactory.Options options, int reqWidth, int reqHeight) {
// Raw height and width of image
final int height = options.outHeight;
final int width = options.outWidth;
int inSampleSize = 1;
if (height > reqHeight || width > reqWidth) {
final int halfHeight = height / 2;
final int halfWidth = width / 2;
// Calculate the largest inSampleSize value that is a power of 2 and keeps both height and width larger than the requested height and width.
while ((halfHeight / inSampleSize) >= reqHeight
&& (halfWidth / inSampleSize) >= reqWidth) {
inSampleSize *= 2;
}
}
return inSampleSize;
}
/**
* Gets a string for share owner, total time, and total distance.
*
@@ -220,17 +238,4 @@ public class ListItemUtils {
textView.setShadowLayer(0, 0, 0, 0);
}
}
/**
* Gets the photo height.
*
* @param context the context
*/
private static int getPhotoHeight(Context context) {
int[] attrs = new int[]{android.R.attr.listPreferredItemHeight};
TypedArray typeArray = context.obtainStyledAttributes(attrs);
int height = typeArray.getDimensionPixelSize(0, LIST_PREFERRED_ITEM_HEIGHT_DEFAULT);
typeArray.recycle();
return 2 * height;
}
}