有用的框架
选择图片和拍照
implementation 'com.github.LuckSiege.PictureSelector:picture_library:v2.5.8'可能需要这个
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.PointF;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.view.View;
import android.widget.ImageView;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.core.graphics.drawable.RoundedBitmapDrawable;
import androidx.core.graphics.drawable.RoundedBitmapDrawableFactory;
import com.bumptech.glide.Glide;
import com.bumptech.glide.Priority;
import com.bumptech.glide.request.RequestOptions;
import com.bumptech.glide.request.target.BitmapImageViewTarget;
import com.bumptech.glide.request.target.ImageViewTarget;
import com.luck.picture.lib.engine.ImageEngine;
import com.luck.picture.lib.listener.OnImageCompleteCallback;
import com.luck.picture.lib.tools.MediaUtils;
import com.luck.picture.lib.widget.longimage.ImageSource;
import com.luck.picture.lib.widget.longimage.ImageViewState;
import com.luck.picture.lib.widget.longimage.SubsamplingScaleImageView;
import com.zcf.pangdundun.R;
public class GlideEngine implements ImageEngine {
/**
* 加载图片
*
* @param context
* @param url
* @param imageView
*/
@Override
public void loadImage(@NonNull Context context, @NonNull String url, @NonNull ImageView imageView) {
Glide.with(context)
.load(url)
.into(imageView);
}
/**
* 加载网络图片适配长图方案
* # 注意：此方法只有加载网络图片才会回调
*
* @param context
* @param url
* @param imageView
* @param longImageView
* @param callback 网络图片加载回调监听 {link after version 2.5.1 Please use the #OnImageCompleteCallback#}
*/
@Override
public void loadImage(@NonNull Context context, @NonNull String url,
@NonNull final ImageView imageView,
final SubsamplingScaleImageView longImageView, final OnImageCompleteCallback callback) {
Glide.with(context)
.asBitmap()
.load(url)
.into(new ImageViewTarget(imageView) {
@Override
public void onLoadStarted(@Nullable Drawable placeholder) {
super.onLoadStarted(placeholder);
if (callback != null) {
callback.onShowLoading();
}
}
@Override
public void onLoadFailed(@Nullable Drawable errorDrawable) {
super.onLoadFailed(errorDrawable);
if (callback != null) {
callback.onHideLoading();
}
}
@Override
protected void setResource(@Nullable Bitmap resource) {
if (callback != null) {
callback.onHideLoading();
}
if (resource != null) {
boolean eqLongImage = MediaUtils.isLongImg(resource.getWidth(),
resource.getHeight());
longImageView.setVisibility(eqLongImage ? View.VISIBLE : View.GONE);
imageView.setVisibility(eqLongImage ? View.GONE : View.VISIBLE);
if (eqLongImage) {
// 加载长图
longImageView.setQuickScaleEnabled(true);
longImageView.setZoomEnabled(true);
longImageView.setPanEnabled(true);
longImageView.setDoubleTapZoomDuration(100);
longImageView.setMinimumScaleType(SubsamplingScaleImageView.SCALE_TYPE_CENTER_CROP);
longImageView.setDoubleTapZoomDpi(SubsamplingScaleImageView.ZOOM_FOCUS_CENTER);
longImageView.setImage(ImageSource.bitmap(resource),
new ImageViewState(0, new PointF(0, 0), 0));
} else {
// 普通图片
imageView.setImageBitmap(resource);
}
}
}
});
}
/**
* 加载网络图片适配长图方案
* # 注意：此方法只有加载网络图片才会回调
*
* @param context
* @param url
* @param imageView
* @param longImageView
* @ 已废弃
*/
@Override
public void loadImage(@NonNull Context context, @NonNull String url,
@NonNull final ImageView imageView,
final SubsamplingScaleImageView longImageView) {
Glide.with(context)
.asBitmap()
.load(url)
.into(new ImageViewTarget(imageView) {
@Override
protected void setResource(@Nullable Bitmap resource) {
if (resource != null) {
boolean eqLongImage = MediaUtils.isLongImg(resource.getWidth(),
resource.getHeight());
longImageView.setVisibility(eqLongImage ? View.VISIBLE : View.GONE);
imageView.setVisibility(eqLongImage ? View.GONE : View.VISIBLE);
if (eqLongImage) {
// 加载长图
longImageView.setQuickScaleEnabled(true);
longImageView.setZoomEnabled(true);
longImageView.setPanEnabled(true);
longImageView.setDoubleTapZoomDuration(100);
longImageView.setMinimumScaleType(SubsamplingScaleImageView.SCALE_TYPE_CENTER_CROP);
longImageView.setDoubleTapZoomDpi(SubsamplingScaleImageView.ZOOM_FOCUS_CENTER);
longImageView.setImage(ImageSource.bitmap(resource),
new ImageViewState(0, new PointF(0, 0), 0));
} else {
// 普通图片
imageView.setImageBitmap(resource);
}
}
}
});
}
/**
* 加载相册目录
*
* @param context 上下文
* @param url 图片路径
* @param imageView 承载图片ImageView
*/
@Override
public void loadFolderImage(@NonNull final Context context, @NonNull String url, @NonNull final ImageView imageView) {
Glide.with(context)
.asBitmap()
.load(url)
.override(180, 180)
.centerCrop()
.sizeMultiplier(0.5f)
.apply(new RequestOptions().placeholder(R.drawable.picture_image_placeholder))
.into(new BitmapImageViewTarget(imageView) {
@Override
protected void setResource(Bitmap resource) {
RoundedBitmapDrawable circularBitmapDrawable =
RoundedBitmapDrawableFactory.
create(context.getResources(), resource);
circularBitmapDrawable.setCornerRadius(8);
imageView.setImageDrawable(circularBitmapDrawable);
}
});
}
/**
* 加载gif
*
* @param context 上下文
* @param url 图片路径
* @param imageView 承载图片ImageView
*/
@Override
public void loadAsGifImage(@NonNull Context context, @NonNull String url,
@NonNull ImageView imageView) {
Glide.with(context)
.asGif()
.load(url)
.into(imageView);
}
/**
* 加载图片列表图片
*
* @param context 上下文
* @param url 图片路径
* @param imageView 承载图片ImageView
*/
@Override
public void loadGridImage(@NonNull Context context, @NonNull String url, @NonNull ImageView imageView) {
Glide.with(context)
.load(url)
.override(200, 200)
.centerCrop()
.apply(new RequestOptions().placeholder(R.drawable.picture_image_placeholder))
.into(imageView);
}
private GlideEngine() {
}
private static GlideEngine instance;
public static GlideEngine createGlideEngine() {
if (null == instance) {
synchronized (GlideEngine.class) {
if (null == instance) {
instance = new GlideEngine();
}
}
}
return instance;
}
}
显示图片
implementation 'com.github.bumptech.glide:glide:4.11.0'
annotationProcessor 'com.github.bumptech.glide:compiler:4.11.0'权限申请
implementation 'com.afollestad.assent:core:3.0.0-RC4'刷新框架
implementation 'com.scwang.smartrefresh:SmartRefreshLayout:1.1.0-alpha-23'
implementation 'com.scwang.smartrefresh:SmartRefreshHeader:1.1.0-alpha-23'
var comm_refreshLayout = view.findViewById(R.id.comm_refreshLayout)
comm_refreshLayout.setOnRefreshListener { refreshLayout ->
refreshLayout.layout.postDelayed({
var data2 = ArrayList()
for (i in 1..10) {
data2.add("LV201903250001" + i);
}
adapter!!.reloadData(data2)
refreshLayout.finishRefresh()
refreshLayout.resetNoMoreData()//setNoMoreData(false);
}, 2000)
}
comm_refreshLayout.setOnLoadMoreListener(OnLoadMoreListener { refreshlayout ->
if (adapter!!.itemCount > 30) {
Toast.makeText(activity, "数据全部加载完毕", Toast.LENGTH_SHORT).show();
refreshlayout.finishLoadMoreWithNoMoreData();//将不会再次触发加载更多事件
} else {
var data2 = ArrayList()
for (i in 1..10) {
data2.add("LV201903250001" + (adapter!!.itemCount + i));
}
adapter!!.reloadData(data2, true)
refreshlayout.finishLoadMore();
}
}) json解析
implementation 'com.google.code.gson:gson:2.8.6'城市选择器,支持两级或三级
implementation 'liji.library.dev:citypickerview:5.2.2'