package com.luck.picture.lib.ui;
import android.media.AudioManager;
import android.media.SoundPool;
import android.net.Uri;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.View;
import android.view.animation.Animation;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.luck.picture.lib.R;
import com.luck.picture.lib.model.FunctionConfig;
import com.luck.picture.lib.observable.ImagesObservable;
import com.luck.picture.lib.widget.PreviewViewPager;
import com.yalantis.ucrop.MultiUCrop;
import com.yalantis.ucrop.dialog.OptAnimationLoader;
import com.yalantis.ucrop.dialog.SweetAlertDialog;
import com.yalantis.ucrop.entity.EventEntity;
import com.yalantis.ucrop.entity.LocalMedia;
import com.yalantis.ucrop.rxbus2.RxBus;
import com.yalantis.ucrop.rxbus2.Subscribe;
import com.yalantis.ucrop.rxbus2.ThreadMode;
import com.yalantis.ucrop.util.LightStatusBarUtils;
import com.yalantis.ucrop.util.ToolbarUtil;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
/**
* author：luck
* project：PictureSelector
* package：com.luck.picture.ui
* email：893855882@qq.com
* data：16/12/31
*/
public class PicturePreviewActivity extends PictureBaseActivity implements View.OnClickListener, Animation.AnimationListener {
private ImageView picture_left_back;
private TextView tv_img_num, tv_title, tv_ok;
private RelativeLayout select_bar_layout;
private PreviewViewPager viewPager;
private int position;
private RelativeLayout rl_title;
private LinearLayout ll_check;
private List<LocalMedia> images = new ArrayList<>();
private List<LocalMedia> selectImages = new ArrayList<>();
private TextView check;
private SimpleFragmentAdapter adapter;
private Animation animation;
private boolean refresh;
private SweetAlertDialog dialog;
private SoundPool soundPool;//声明一个SoundPool
private int soundID;//创建某个声音对应的音频ID
//EventBus 3.0 回调
@Subscribe(threadMode = ThreadMode.MAIN)
public void eventBus(EventEntity obj) {
switch (obj.what) {
case FunctionConfig.CLOSE_FLAG:
dismiss();
closeActivity();
break;
case FunctionConfig.CLOSE_PREVIEW_FLAG:
closeActivity();
break;
}
}
// 关闭activity
protected void closeActivity() {
finish();
overridePendingTransition(0, R.anim.slide_bottom_out);
}
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.picture_activity_image_preview);
if (!RxBus.getDefault().isRegistered(this)) {
RxBus.getDefault().register(this);
}
if (isImmersive) {
LightStatusBarUtils.setLightStatusBar(this, false);
}
if (clickVideo) {
if (soundPool == null) {
soundPool = new SoundPool(1, AudioManager.STREAM_ALARM, 0);
soundID = soundPool.load(mContext, R.raw.music, 1);
}
}
rl_title = (RelativeLayout) findViewById(R.id.rl_title);
picture_left_back = (ImageView) findViewById(R.id.picture_left_back);
viewPager = (PreviewViewPager) findViewById(R.id.preview_pager);
ll_check = (LinearLayout) findViewById(R.id.ll_check);
select_bar_layout = (RelativeLayout) findViewById(R.id.select_bar_layout);
check = (TextView) findViewById(R.id.check);
picture_left_back.setOnClickListener(this);
tv_ok = (TextView) findViewById(R.id.tv_ok);
tv_img_num = (TextView) findViewById(R.id.tv_img_num);
tv_title = (TextView) findViewById(R.id.picture_title);
tv_ok.setOnClickListener(this);
position = getIntent().getIntExtra(FunctionConfig.EXTRA_POSITION, 0);
tv_ok.setTextColor(completeColor);
if (isNumComplete) {
tv_ok.setText(getString(R.string.picture_done));
} else {
tv_ok.setText(getString(R.string.picture_please_select));
}
select_bar_layout.setBackgroundColor(previewBottomBgColor);
rl_title.setBackgroundColor(previewTopBgColor);
ToolbarUtil.setColorNoTranslucent(this, previewTopBgColor);
animation = OptAnimationLoader.loadAnimation(this, R.anim.modal_in);
animation.setAnimationListener(this);
boolean is_bottom_preview = getIntent().getBooleanExtra(FunctionConfig.EXTRA_BOTTOM_PREVIEW, false);
if (is_bottom_preview) {
// 底部预览按钮过来
images = (List<LocalMedia>) getIntent().getSerializableExtra(FunctionConfig.EXTRA_PREVIEW_LIST);
} else {
images = ImagesObservable.getInstance().readLocalMedias();
}
if (is_checked_num) {
tv_img_num.setBackgroundResource(cb_drawable);
tv_img_num.setSelected(true);
}
selectImages = (List<LocalMedia>) getIntent().getSerializableExtra(FunctionConfig.EXTRA_PREVIEW_SELECT_LIST);
initViewPageAdapterData();
ll_check.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
// 刷新图片列表中图片状态
boolean isChecked;
if (!check.isSelected()) {
isChecked = true;
check.setSelected(true);
check.startAnimation(animation);
} else {
isChecked = false;
check.setSelected(false);
}
if (selectImages.size() >= maxSelectNum && isChecked) {
Toast.makeText(PicturePreviewActivity.this, getString(R.string.picture_message_max_num, maxSelectNum), Toast.LENGTH_LONG).show();
check.setSelected(false);
return;
}
LocalMedia image = images.get(viewPager.getCurrentItem());
if (isChecked) {
playSound();
selectImages.add(image);
image.setNum(selectImages.size());
if (is_checked_num) {
check.setText(image.getNum() + "");
}
} else {
for (LocalMedia media : selectImages) {
if (media.getPath().equals(image.getPath())) {
selectImages.remove(media);
subSelectPosition();
notifyCheckChanged(media);
break;
}
}
}
onSelectNumChange(true);
}
});
viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageSelected(int position) {
tv_title.setText(position + 1 + "/" + images.size());
if (is_checked_num) {
LocalMedia media = images.get(position);
check.setText(media.getNum() + "");
notifyCheckChanged(media);
}
onImageChecked(position);
}
@Override
public void onPageScrollStateChanged(int state) {
}
});
}
private void initViewPageAdapterData() {
tv_title.setText(position + 1 + "/" + images.size());
adapter = new SimpleFragmentAdapter(getSupportFragmentManager());
check.setBackgroundResource(cb_drawable);
viewPager.setAdapter(adapter);
viewPager.setCurrentItem(position);
onSelectNumChange(false);
onImageChecked(position);
if (is_checked_num) {
tv_img_num.setBackgroundResource(cb_drawable);
tv_img_num.setSelected(true);
LocalMedia media = images.get(position);
check.setText(media.getNum() + "");
notifyCheckChanged(media);
}
}
/**
* 选择按钮更新
*/
private void notifyCheckChanged(LocalMedia imageBean) {
if (is_checked_num) {
check.setText("");
for (LocalMedia media : selectImages) {
if (media.getPath().equals(imageBean.getPath())) {
imageBean.setNum(media.getNum());
check.setText(String.valueOf(imageBean.getNum()));
}
}
}
}
/**
* 更新选择的顺序
*/
private void subSelectPosition() {
for (int index = 0, len = selectImages.size(); index < len; index++) {
LocalMedia media = selectImages.get(index);
media.setNum(index + 1);
}
}
/**
* 判断当前图片是否选中
*
* @param position
*/
public void onImageChecked(int position) {
if (images != null && images.size() > 0) {
check.setSelected(isSelected(images.get(position)));
} else {
check.setSelected(false);
}
}
/**
* 当前图片是否选中
*
* @param image
* @return
*/
public boolean isSelected(LocalMedia image) {
for (LocalMedia media : selectImages) {
if (media.getPath().equals(image.getPath())) {
return true;
}
}
return false;
}
/**
* 更新图片选择数量
*/
public void onSelectNumChange(boolean isRefresh) {
this.refresh = isRefresh;
boolean enable = selectImages.size() != 0;
if (enable) {
tv_ok.setEnabled(true);
if (isNumComplete) {
tv_ok.setText(getString(R.string.picture_done_front_num, selectImages.size(), maxSelectNum));
} else {
tv_img_num.startAnimation(animation);
tv_img_num.setVisibility(View.VISIBLE);
tv_img_num.setText(selectImages.size() + "");
tv_ok.setText(getString(R.string.picture_completed));
}
} else {
tv_ok.setEnabled(false);
if (isNumComplete) {
tv_ok.setText(getString(R.string.picture_done));
} else {
tv_img_num.setVisibility(View.INVISIBLE);
tv_ok.setText(getString(R.string.picture_please_select));
}
updateSelector(refresh);
}
}
/**
* 更新图片列表选中效果
*
* @param isRefresh
*/
private void updateSelector(boolean isRefresh) {
if (isRefresh) {
EventEntity obj = new EventEntity(FunctionConfig.UPDATE_FLAG, selectImages);
RxBus.getDefault().post(obj);
}
}
@Override
public void onAnimationStart(Animation animation) {
}
@Override
public void onAnimationEnd(Animation animation) {
updateSelector(refresh);
}
@Override
public void onAnimationRepeat(Animation animation) {
}
public class SimpleFragmentAdapter extends FragmentPagerAdapter {
public SimpleFragmentAdapter(FragmentManager fm) {
super(fm);
}
@Override
public Fragment getItem(int position) {
PictureImagePreviewFragment fragment = PictureImagePreviewFragment.getInstance(images.get(position).getPath(), true, "", selectImages);
return fragment;
}
@Override
public int getCount() {
return images.size();
}
}
@Override
public void onClick(View view) {
int id = view.getId();
if (id == R.id.picture_left_back) {
finish();
} else if (id == R.id.tv_ok) {
// 如果设置了图片最小选择数量，则判断是否满足条件
int size = selectImages.size();
if (minSelectNum > 0) {
if (size < minSelectNum && selectMode == FunctionConfig.MODE_MULTIPLE) {
switch (type) {
case FunctionConfig.TYPE_IMAGE:
showToast(getString(R.string.picture_min_img_num, options.getMinSelectNum()));
return;
case FunctionConfig.TYPE_VIDEO:
showToast(getString(R.string.picture_min_video_num, options.getMinSelectNum()));
return;
default:
break;
}
}
}
if (selectMode == FunctionConfig.MODE_MULTIPLE && enableCrop && type == FunctionConfig.TYPE_IMAGE) {
// 是图片和选择压缩并且是多张，调用批量压缩
startMultiCrop(selectImages);
} else {
onResult(selectImages);
}
}
}
public void onResult(List<LocalMedia> images) {
// 因为这里是单一实例的结果集，重新用变量接收一下在返回，不然会产生结果集被单一实例清空的问题
List<LocalMedia> result = new ArrayList<>();
for (LocalMedia media : images) {
result.add(media);
}
EventEntity obj = new EventEntity(FunctionConfig.CROP_FLAG, result);
RxBus.getDefault().post(obj);
// 如果开启了压缩，先不关闭此页面，PictureImageGridActivity压缩完在通知关闭
if (!isCompress) {
finish();
overridePendingTransition(0, R.anim.slide_bottom_out);
} else {
showPleaseDialog(getString(R.string.picture_please));
}
}
/**
* 多图裁剪
*
* @param medias
*/
protected void startMultiCrop(List<LocalMedia> medias) {
if (medias != null && medias.size() > 0) {
LocalMedia media = medias.get(0);
String path = media.getPath();
// 去裁剪
MultiUCrop uCrop = MultiUCrop.of(Uri.parse(path), Uri.fromFile(new File(getCacheDir(), System.currentTimeMillis() + ".jpg")));
MultiUCrop.Options options = new MultiUCrop.Options();
if (offsetX > 0 && offsetY > 0) {
options.withAspectRatio(offsetX, offsetY);
} else {
switch (copyMode) {
case FunctionConfig.CROP_MODEL_DEFAULT:
options.withAspectRatio(0, 0);
break;
case FunctionConfig.CROP_MODEL_1_1:
options.withAspectRatio(1, 1);
break;
case FunctionConfig.CROP_MODEL_3_2:
options.withAspectRatio(3, 2);
break;
case FunctionConfig.CROP_MODEL_3_4:
options.withAspectRatio(3, 4);
break;
case FunctionConfig.CROP_MODEL_16_9:
options.withAspectRatio(16, 9);
break;
}
}
// 圆形裁剪
if (circularCut) {
options.setCircleDimmedLayer(true);// 是否为椭圆
options.setShowCropFrame(false);// 外部矩形
options.setShowCropGrid(false);// 内部网格
options.withAspectRatio(1, 1);
}
options.setLocalMedia(medias);
options.setFreeStyleCropEnabled(freeStyleCrop);
options.setCompressionQuality(compressQuality);
options.withMaxResultSize(cropW, cropH);
options.background_color(backgroundColor);
options.setIsCompress(isCompress);
options.copyMode(copyMode);
options.setLeftBackDrawable(leftDrawable);
options.setCircularCut(circularCut);
options.setTitleColor(title_color);
options.setRightColor(right_color);
options.setStatusBar(statusBar);
options.setImmersiver(isImmersive);
options.setRotateEnabled(rotateEnabled);
options.setScaleEnabled(scaleEnabled);
uCrop.withOptions(options);
uCrop.start(PicturePreviewActivity.this);
}
}
private void showPleaseDialog(String msg) {
if (!isFinishing()) {
dialog = new SweetAlertDialog(PicturePreviewActivity.this);
dialog.setTitleText(msg);
dialog.show();
}
}
private void dismiss() {
if (dialog != null && dialog.isShowing()) {
dialog.cancel();
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if (RxBus.getDefault().isRegistered(this)) {
RxBus.getDefault().unregister(this);
}
if (animation != null) {
animation.cancel();
animation = null;
}
if (soundPool != null) {
soundPool.stop(soundID);
}
}
/**
* 播放点击声音
*/
private void playSound() {
if (clickVideo) {
soundPool.play(
soundID,
0.1f, //左耳道音量【0~1】
0.5f, //右耳道音量【0~1】
0, //播放优先级【0表示最低优先级】
1, //循环模式【0表示循环一次，-1表示一直循环，其他表示数字+1表示当前数字对应的循环次数】
1 //播放速度【1是正常，范围从0~2】
);
}
}
}