package com.lzy.imagepicker.ui; import android.content.Context; import android.content.Intent; import android.content.res.Resources; import android.graphics.Color; import android.os.Bundle; import android.support.v4.view.ViewPager; import android.text.format.Formatter; import android.view.View; import android.view.ViewGroup; import android.view.animation.AnimationUtils; import android.widget.Button; import android.widget.CompoundButton; import android.widget.Toast; import com.lzy.imagepicker.ImagePicker; import com.lzy.imagepicker.bean.ImageItem; import com.lzy.imagepicker.util.InnerToaster; import com.lzy.imagepicker.util.NavigationBarChangeListener; import com.lzy.imagepicker.util.Utils; import com.lzy.imagepicker.view.SuperCheckBox; /** * ================================================ * 作 者：jeasonlzy（廖子尧 Github地址：https://github.com/jeasonlzy0216 * 版 本：1.0 * 创建日期：2016/5/19 * 描 述： * 修订历史： * ================================================ */ public class ImagePreviewActivity extends ImagePreviewBaseActivity implements ImagePicker.OnImageSelectedListener, View.OnClickListener, CompoundButton.OnCheckedChangeListener { public static final String ISORIGIN = "isOrigin"; private boolean isOrigin; //是否选中原图 private SuperCheckBox mCbCheck; //是否选中当前图片的CheckBox private SuperCheckBox mCbOrigin; //原图 private Button mBtnOk; //确认图片的选择 private View bottomBar; private View marginView; private int res_btn_ok; private int res_btn_back; private int res_cb_origin; private int res_ip_origin; private int res_ip_origin_size; private int res_ip_select_complete; private int res_ip_select_limit; private int res_ip_complete; private int res_top_out; private int res_top_in; private int res_fade_out; private int res_fade_in; private int res_ip_color_primary_dark; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); final Context appContext = getApplicationContext(); final Resources resource = appContext.getResources(); final String pkgName = appContext.getPackageName(); res_btn_ok = resource.getIdentifier("btn_ok", "id", pkgName); res_btn_back = resource.getIdentifier("btn_back", "id", pkgName); res_cb_origin = resource.getIdentifier("cb_origin", "id", pkgName); res_ip_select_complete = resource.getIdentifier("ip_select_complete", "string", pkgName); res_ip_select_limit = resource.getIdentifier("ip_select_limit", "string", pkgName); res_ip_complete = resource.getIdentifier("ip_complete", "string", pkgName); res_ip_origin_size = resource.getIdentifier("ip_origin_size", "string", pkgName); res_ip_origin = resource.getIdentifier("ip_origin", "string", pkgName); res_top_out = resource.getIdentifier("top_out", "anim", pkgName); res_top_in = resource.getIdentifier("top_in", "anim", pkgName); res_fade_out = resource.getIdentifier("fade_out", "anim", pkgName); res_fade_in = resource.getIdentifier("fade_in", "anim", pkgName); res_ip_color_primary_dark = resource.getIdentifier("ip_color_primary_dark", "color", pkgName); final int res_ip_preview_image_count = resource.getIdentifier("ip_preview_image_count", "string", pkgName); isOrigin = getIntent().getBooleanExtra(ImagePreviewActivity.ISORIGIN, false); imagePicker.addOnImageSelectedListener(this); mBtnOk = (Button) findViewById(res_btn_ok); mBtnOk.setVisibility(View.VISIBLE); mBtnOk.setOnClickListener(this); bottomBar = findViewById(resource.getIdentifier("bottom_bar", "id", pkgName)); bottomBar.setVisibility(View.VISIBLE); mCbCheck = (SuperCheckBox) findViewById(resource.getIdentifier("cb_check", "id", pkgName)); mCbOrigin = (SuperCheckBox) findViewById(res_cb_origin); marginView = findViewById(resource.getIdentifier("margin_bottom", "id", pkgName)); mCbOrigin.setText(getString(res_ip_origin)); mCbOrigin.setOnCheckedChangeListener(this); mCbOrigin.setChecked(isOrigin); if (!imagePicker.getEnablePickOriginal()) { mCbOrigin.setVisibility(View.GONE); } //初始化当前页面的状态 onImageSelected(0, null, false); ImageItem item = mImageItems.get(mCurrentPosition); boolean isSelected = imagePicker.isSelect(item); mTitleCount.setText(getString(res_ip_preview_image_count, mCurrentPosition + 1, mImageItems.size())); mCbCheck.setChecked(isSelected); //滑动ViewPager的时候，根据外界的数据改变当前的选中状态和当前的图片的位置描述文本 mViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() { @Override public void onPageSelected(int position) { mCurrentPosition = position; ImageItem item = mImageItems.get(mCurrentPosition); boolean isSelected = imagePicker.isSelect(item); mCbCheck.setChecked(isSelected); mTitleCount.setText(getString(res_ip_preview_image_count, mCurrentPosition + 1, mImageItems.size())); } }); //当点击当前选中按钮的时候，需要根据当前的选中状态添加和移除图片 mCbCheck.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { ImageItem imageItem = mImageItems.get(mCurrentPosition); int selectLimit = imagePicker.getSelectLimit(); if (mCbCheck.isChecked() && selectedImages.size() >= selectLimit) { InnerToaster.obj(ImagePreviewActivity.this).show(getString(res_ip_select_limit, selectLimit)); mCbCheck.setChecked(false); } else { imagePicker.addSelectedImageItem(mCurrentPosition, imageItem, mCbCheck.isChecked()); } } }); NavigationBarChangeListener.with(this).setListener(new NavigationBarChangeListener.OnSoftInputStateChangeListener() { @Override public void onNavigationBarShow(int orientation, int height) { marginView.setVisibility(View.VISIBLE); ViewGroup.LayoutParams layoutParams = marginView.getLayoutParams(); if (layoutParams.height == 0) { layoutParams.height = Utils.getNavigationBarHeight(ImagePreviewActivity.this); marginView.requestLayout(); } } @Override public void onNavigationBarHide(int orientation) { marginView.setVisibility(View.GONE); } }); NavigationBarChangeListener.with(this, NavigationBarChangeListener.ORIENTATION_HORIZONTAL) .setListener(new NavigationBarChangeListener.OnSoftInputStateChangeListener() { @Override public void onNavigationBarShow(int orientation, int height) { topBar.setPadding(0, 0, height, 0); bottomBar.setPadding(0, 0, height, 0); } @Override public void onNavigationBarHide(int orientation) { topBar.setPadding(0, 0, 0, 0); bottomBar.setPadding(0, 0, 0, 0); } }); } /** * 图片添加成功后，修改当前图片的选中数量 * 当调用 addSelectedImageItem 或 deleteSelectedImageItem 都会触发当前回调 */ @Override public void onImageSelected(int position, ImageItem item, boolean isAdd) { if (imagePicker.getSelectImageCount() > 0) { mBtnOk.setText(getString(res_ip_select_complete, imagePicker.getSelectImageCount(), imagePicker.getSelectLimit())); } else { mBtnOk.setText(getString(res_ip_complete)); } if (mCbOrigin.isChecked()) { long size = 0; for (ImageItem imageItem : selectedImages) size += imageItem.size; String fileSize = Formatter.formatFileSize(this, size); mCbOrigin.setText(getString(res_ip_origin_size, fileSize)); } } @Override public void onClick(View v) { int id = v.getId(); if (id == res_btn_ok) { if (imagePicker.getSelectedImages().size() == 0) { mCbCheck.setChecked(true); ImageItem imageItem = mImageItems.get(mCurrentPosition); imagePicker.addSelectedImageItem(mCurrentPosition, imageItem, mCbCheck.isChecked()); } Intent intent = new Intent(); intent.putExtra(ImagePicker.EXTRA_RESULT_ITEMS, imagePicker.getSelectedImages()); setResult(ImagePicker.RESULT_CODE_ITEMS, intent); finish(); } else if (id == res_btn_back) { Intent intent = new Intent(); intent.putExtra(ImagePreviewActivity.ISORIGIN, isOrigin); setResult(ImagePicker.RESULT_CODE_BACK, intent); finish(); } } @Override public void onBackPressed() { Intent intent = new Intent(); intent.putExtra(ImagePreviewActivity.ISORIGIN, isOrigin); setResult(ImagePicker.RESULT_CODE_BACK, intent); finish(); super.onBackPressed(); } @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { int id = buttonView.getId(); if (id == res_cb_origin) { if (isChecked) { long size = 0; for (ImageItem item : selectedImages) size += item.size; String fileSize = Formatter.formatFileSize(this, size); isOrigin = true; mCbOrigin.setText(getString(res_ip_origin_size, fileSize)); } else { isOrigin = false; mCbOrigin.setText(getString(res_ip_origin)); } } } @Override protected void onDestroy() { imagePicker.removeOnImageSelectedListener(this); super.onDestroy(); } /** * 单击时，隐藏头和尾 */ @Override public void onImageSingleTap() { if (topBar.getVisibility() == View.VISIBLE) { topBar.setAnimation(AnimationUtils.loadAnimation(this, res_top_out)); bottomBar.setAnimation(AnimationUtils.loadAnimation(this, res_fade_out)); topBar.setVisibility(View.GONE); bottomBar.setVisibility(View.GONE); tintManager.setStatusBarTintResource(Color.TRANSPARENT);//通知栏所需颜色 //给最外层布局加上这个属性表示，Activity全屏显示，且状态栏被隐藏覆盖掉。 // if (Build.VERSION.SDK_INT >= 16) content.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN); } else { topBar.setAnimation(AnimationUtils.loadAnimation(this, res_top_in)); bottomBar.setAnimation(AnimationUtils.loadAnimation(this, res_fade_in)); topBar.setVisibility(View.VISIBLE); bottomBar.setVisibility(View.VISIBLE); tintManager.setStatusBarTintResource(res_ip_color_primary_dark);//通知栏所需颜色 //Activity全屏显示，但状态栏不会被隐藏覆盖，状态栏依然可见，Activity顶端布局部分会被状态遮住 // if (Build.VERSION.SDK_INT >= 16) content.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN); } } }