十日冲刺（DAY9）

第九天
package com.example.myactivity;

import android.app.Application;

import android.util.Log;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.RelativeLayout;

import com.bumptech.glide.Glide;

import com.example.myactivity.comm.TransformationScale;
import com.example.myactivity.view.IImageLoader;
import com.example.myactivity.view.XRichText;

public class MyApplication extends Application {

@Override
public void onCreate() {
    super.onCreate();

// initCrashReport();
// 在任意地方，调用以下方法即可，崩溃发生后，会在下一次App启动的时候使用Service异步打包日志，
// 然后上传日志，发送成功与否，Service都会自动退出释放内存
//LogReport.getInstance().upload(this);
// 使用以下方法，打印Log的同时，把Log信息保存到本地（保存的时候会附带线程名称，线程id，打印时间），
// 并且随同崩溃日志一起，发送到特定的邮箱或者服务器上。帮助开发者还原用户的操作路径，更好的分析崩溃产生的原因
//LogWriter.writeLog("wenming", "打Log测试！！！！");

解释
 
 
    XRichText.getInstance().setImageLoader(new IImageLoader() {
        @Override
        public void loadImage(final String imagePath, final ImageView imageView, final int imageHeight) {
            Log.e("---", "imageHeight: "+imageHeight);
            //如果是网络图片

// if (imagePath.startsWith("http://") || imagePath.startsWith("https://")){
// Glide.with(getApplicationContext()).asBitmap().load(imagePath).dontAnimate()
// .into(new SimpleTarget() {
// @Override
// public void onResourceReady(@NonNull Bitmap resource, @Nullable Transition<? super Bitmap> transition) {
// if (imageHeight > 0) {//固定高度
// RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(
// FrameLayout.LayoutParams.MATCH_PARENT, imageHeight);//固定图片高度，记得设置裁剪剧中
// lp.bottomMargin = 10;//图片的底边距
// imageView.setLayoutParams(lp);
// Glide.with(getApplicationContext()).asBitmap().load(imagePath).centerCrop()
// .placeholder(R.mipmap.img_load_fail).error(R.mipmap.img_load_fail).into(imageView);
// } else {//自适应高度
// Glide.with(getApplicationContext()).asBitmap().load(imagePath)
// .placeholder(R.mipmap.img_load_fail).error(R.mipmap.img_load_fail).into(new TransformationScale(imageView));
// }
// }
// });
// } else { //如果是本地图片
if (imageHeight > 0) {//固定高度
RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(
FrameLayout.LayoutParams.MATCH_PARENT, imageHeight);//固定图片高度，记得设置裁剪剧中
lp.bottomMargin = 10;//图片的底边距
imageView.setLayoutParams(lp);

解释
 
 
                    Glide.with(getApplicationContext()).asBitmap().load(imagePath).centerCrop()
                            .into(imageView);
                } else {//自适应高度
                    Glide.with(getApplicationContext()).asBitmap().load(imagePath)
                            .into(new TransformationScale(imageView));
                }

// }
}
});
}

}

package com.example.myactivity;

import android.animation.LayoutTransition;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.text.Spannable;
import android.text.SpannableStringBuilder;
import android.text.TextUtils;
import android.text.style.CharacterStyle;
import android.text.style.ForegroundColorSpan;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.ScrollView;
import android.widget.TextView;

import com.example.myactivity.R;
import com.example.myactivity.view.DataImageView;
import com.example.myactivity.view.XRichText;

import java.util.ArrayList;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**

  • 显示富文本
    */
    public class RichTextView extends ScrollView {
    private static final int EDIT_PADDING = 10; // edittext常规padding是10dp
    //private static final int EDIT_FIRST_PADDING_TOP = 10; // 第一个EditText的paddingTop值

    private int viewTagIndex = 1; // 新生的view都会打一个tag，对每个view来说，这个tag是唯一的。
    private LinearLayout allLayout; // 这个是所有子view的容器，scrollView内部的唯一一个ViewGroup
    private LayoutInflater inflater;
    private TextView lastFocusText; // 最近被聚焦的TextView
    private LayoutTransition mTransitioner; // 只在图片View添加或remove时，触发transition动画
    private int editNormalPadding = 0; //
    private int disappearingImageIndex = 0;
    //private Bitmap bmp;
    private OnClickListener btnListener;//图片点击事件
    private ArrayList imagePaths;//图片地址集合
    private String keywords;//关键词高亮

    private OnRtImageClickListener onRtImageClickListener;

    /** 自定义属性 **/
    //插入的图片显示高度
    private int rtImageHeight = 0; //为0显示原始高度
    //两张相邻图片间距
    private int rtImageBottom = 10;
    //文字相关属性，初始提示信息，文字大小和颜色
    private String rtTextInitHint = "没有内容";
    //getResources().getDimensionPixelSize(R.dimen.text_size_16)
    private int rtTextSize = 16; //相当于16sp
    private int rtTextColor = Color.parseColor("#757575");
    private int rtTextLineSpace = 8; //相当于8dp

    public RichTextView(Context context) {
    this(context, null);
    }

    public RichTextView(Context context, AttributeSet attrs) {
    this(context, attrs, 0);
    }

    public RichTextView(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);

    解释
     
     
     //获取自定义属性
 TypedArray ta = context.obtainStyledAttributes(attrs, R.styleable.RichTextView);
 rtImageHeight = ta.getInteger(R.styleable.RichTextView_rt_view_image_height, 0);
 rtImageBottom = ta.getInteger(R.styleable.RichTextView_rt_view_image_bottom, 10);
 rtTextSize = ta.getDimensionPixelSize(R.styleable.RichTextView_rt_view_text_size, 16);
 //rtTextSize = ta.getInteger(R.styleable.RichTextView_rt_view_text_size, 16);
 rtTextLineSpace = ta.getDimensionPixelSize(R.styleable.RichTextView_rt_view_text_line_space, 8);
 rtTextColor = ta.getColor(R.styleable.RichTextView_rt_view_text_color, Color.parseColor("#757575"));
 rtTextInitHint = ta.getString(R.styleable.RichTextView_rt_view_text_init_hint);

 ta.recycle();

 imagePaths = new ArrayList<>();

 inflater = LayoutInflater.from(context);

 // 1. 初始化allLayout
 allLayout = new LinearLayout(context);
 allLayout.setOrientation(LinearLayout.VERTICAL);
 //allLayout.setBackgroundColor(Color.WHITE);//去掉背景
 //setupLayoutTransitions();//禁止载入动画
 LayoutParams layoutParams = new LayoutParams(LayoutParams.MATCH_PARENT,
         LayoutParams.WRAP_CONTENT);
 allLayout.setPadding(50,15,50,15);//设置间距，防止生成图片时文字太靠边
 addView(allLayout, layoutParams);

 btnListener = new OnClickListener() {

     @Override
     public void onClick(View v) {
         if (v instanceof DataImageView){
             DataImageView imageView = (DataImageView) v;
             //int currentItem = imagePaths.indexOf(imageView.getAbsolutePath());
             //Toast.makeText(getContext(),"点击图片："+currentItem+"："+imageView.getAbsolutePath(), Toast.LENGTH_SHORT).show();
             // 开放图片点击接口
             if (onRtImageClickListener != null){
                 onRtImageClickListener.onRtImageClick(imageView, imageView.getAbsolutePath());
             }
         }
     }
 };

 LinearLayout.LayoutParams firstEditParam = new LinearLayout.LayoutParams(
         LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
 //editNormalPadding = dip2px(EDIT_PADDING);
 TextView firstText = createTextView(rtTextInitHint, dip2px(context, EDIT_PADDING));
 allLayout.addView(firstText, firstEditParam);
 lastFocusText = firstText;

    }

    private int dip2px(Context context, float dipValue) {
    float m = context.getResources().getDisplayMetrics().density;
    return (int) (dipValue * m + 0.5f);
    }

    public interface OnRtImageClickListener{
    void onRtImageClick(View view, String imagePath);
    }

    public void setOnRtImageClickListener(OnRtImageClickListener onRtImageClickListener) {
    this.onRtImageClickListener = onRtImageClickListener;
    }

    /**

    • 清除所有的view
      */
      public void clearAllLayout(){
      allLayout.removeAllViews();
      }

    /**

    • 获得最后一个子view的位置
      */
      public int getLastIndex(){
      int lastEditIndex = allLayout.getChildCount();
      return lastEditIndex;
      }

    /**

    • 生成文本输入框
      */
      public TextView createTextView(String hint, int paddingTop) {
      TextView textView = (TextView) inflater.inflate(R.layout.rich_textview, null);
      textView.setTag(viewTagIndex++);
      textView.setPadding(editNormalPadding, paddingTop, editNormalPadding, paddingTop);
      textView.setHint(hint);
      //textView.setTextSize(getResources().getDimensionPixelSize(R.dimen.text_size_16));
      textView.setTextSize(TypedValue.COMPLEX_UNIT_PX, rtTextSize);
      textView.setLineSpacing(rtTextLineSpace, 1.0f);
      textView.setTextColor(rtTextColor);
      return textView;
      }

    /**

    • 生成图片View
      */
      private RelativeLayout createImageLayout() {
      RelativeLayout layout = (RelativeLayout) inflater.inflate(R.layout.edit_imageview, null);
      layout.setTag(viewTagIndex++);
      View closeView = layout.findViewById(R.id.image_close);
      closeView.setVisibility(GONE);
      DataImageView imageView = layout.findViewById(R.id.edit_imageView);
      //imageView.setTag(layout.getTag());
      imageView.setOnClickListener(btnListener);
      return layout;
      }

    /**

    • 关键字高亮显示
    • @param target 需要高亮的关键字
    • @param text 需要显示的文字
    • @return spannable 处理完后的结果，记得不要toString()，否则没有效果
    • SpannableStringBuilder textString = TextUtilTools.highlight(item.getItemName(), KnowledgeActivity.searchKey);
    • vHolder.tv_itemName_search.setText(textString);
      */
      public static SpannableStringBuilder highlight(String text, String target) {
      SpannableStringBuilder spannable = new SpannableStringBuilder(text);
      CharacterStyle span;
      try {
      Pattern p = Pattern.compile(target);
      Matcher m = p.matcher(text);
      while (m.find()) {
      span = new ForegroundColorSpan(Color.parseColor("#EE5C42"));// 需要重复！
      spannable.setSpan(span, m.start(), m.end(),
      Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
      }
      } catch (Exception e) {
      e.printStackTrace();
      }
      return spannable;
      }

    public void setKeywords(String keywords) {
    this.keywords = keywords;
    }

    /**

    • 在特定位置插入EditText

    • @param index 位置

    • @param editStr EditText显示的文字
      */
      public void addTextViewAtIndex(final int index, CharSequence editStr) {
      try {
      TextView textView = createTextView("", EDIT_PADDING);
      if (!TextUtils.isEmpty(keywords)) {//搜索关键词高亮
      SpannableStringBuilder textStr = highlight(editStr.toString(), keywords);
      textView.setText(textStr);
      } else {
      textView.setText(editStr);
      }

      解释
       
       
       // 请注意此处，EditText添加、或删除不触动Transition动画
 //allLayout.setLayoutTransition(null);
 allLayout.addView(textView, index);
 //allLayout.setLayoutTransition(mTransitioner); // remove之后恢复transition动画

      } catch (Exception e) {
      e.printStackTrace();
      }
      }

    /**

    • 在特定位置添加ImageView
      */
      public void addImageViewAtIndex(final int index, final String imagePath) {
      if (TextUtils.isEmpty(imagePath)){
      return;
      }
      imagePaths.add(imagePath);
      RelativeLayout imageLayout = createImageLayout();
      if (imageLayout == null){
      return;
      }
      final DataImageView imageView = imageLayout.findViewById(R.id.edit_imageView);
      imageView.setAbsolutePath(imagePath);

// if (rtImageHeight > 0) {
// XRichText.getInstance().loadImage(imagePath, imageView, true);
// } else {
// XRichText.getInstance().loadImage(imagePath, imageView, false);
// }
XRichText.getInstance().loadImage(imagePath, imageView, rtImageHeight);

解释
 
 
    // onActivityResult无法触发动画，此处post处理
    allLayout.addView(imageLayout, index);
}

/**
 * 根据view的宽度，动态缩放bitmap尺寸
 *
 * @param width view的宽度
 */
public Bitmap getScaledBitmap(String filePath, int width) {
    if (TextUtils.isEmpty(filePath)){
        return null;
    }
    BitmapFactory.Options options = null;
    try {
        options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeFile(filePath, options);
        int sampleSize = options.outWidth > width ? options.outWidth / width
                + 1 : 1;
        options.inJustDecodeBounds = false;
        options.inSampleSize = sampleSize;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return BitmapFactory.decodeFile(filePath, options);
}

/**
 * 初始化transition动画
 */
private void setupLayoutTransitions() {
    mTransitioner = new LayoutTransition();
    allLayout.setLayoutTransition(mTransitioner);
    mTransitioner.addTransitionListener(new LayoutTransition.TransitionListener() {

        @Override
        public void startTransition(LayoutTransition transition,
                                    ViewGroup container, View view, int transitionType) {

        }

        @Override
        public void endTransition(LayoutTransition transition,
                                  ViewGroup container, View view, int transitionType) {
            if (!transition.isRunning()
                    && transitionType == LayoutTransition.CHANGE_DISAPPEARING) {
                // transition动画结束，合并EditText
                // mergeEditText();
            }
        }
    });
    mTransitioner.setDuration(300);
}

public int getRtImageHeight() {
    return rtImageHeight;
}

public void setRtImageHeight(int rtImageHeight) {
    this.rtImageHeight = rtImageHeight;
}

public int getRtImageBottom() {
    return rtImageBottom;
}

public void setRtImageBottom(int rtImageBottom) {
    this.rtImageBottom = rtImageBottom;
}

public String getRtTextInitHint() {
    return rtTextInitHint;
}

public void setRtTextInitHint(String rtTextInitHint) {
    this.rtTextInitHint = rtTextInitHint;
}

public int getRtTextSize() {
    return rtTextSize;
}

public void setRtTextSize(int rtTextSize) {
    this.rtTextSize = rtTextSize;
}

public int getRtTextColor() {
    return rtTextColor;
}

public void setRtTextColor(int rtTextColor) {
    this.rtTextColor = rtTextColor;
}

public int getRtTextLineSpace() {
    return rtTextLineSpace;
}

public void setRtTextLineSpace(int rtTextLineSpace) {
    this.rtTextLineSpace = rtTextLineSpace;
}

}

 
 
 
posted @   夏季彼岸德  阅读(6)  评论(0)  编辑  收藏  举报
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