package com.example.test; 
import android.app.Activity; 
import android.graphics.Paint; 
import android.os.Bundle; 
import android.view.ViewTreeObserver; 
import android.widget.ImageView; 
import android.widget.TextView; 
public class MainActivity extends Activity { 
  boolean imageMeasured = false; 
  TextView tv_right; 
  TextView tv_bottom; 
  static final String text = "葉凡：小說(shuō)主角，與眾老同學(xué)在泰山聚會(huì)時(shí)一同被九龍拉棺帶離地球，" + 
      "進(jìn)入北斗星域，得知自己是荒古圣葉凡 葉凡體。歷險(xiǎn)禁地，習(xí)得源術(shù)，斗圣地世家，戰(zhàn)太古生物，" + 
      "重組天庭，葉凡輾轉(zhuǎn)四方得到許多際遇和挑戰(zhàn)，功力激增，眼界也漸漸開(kāi)闊。一個(gè)浩大的仙俠世界，" + 
      "就以他的視角在讀者面前展開(kāi)。姬紫月：姬家小姐，出場(chǎng)年齡十七歲。被葉凡劫持一同經(jīng)歷青銅古殿歷險(xiǎn)，" + 
      "依靠碎裂的神光遁符解除禁制，反過(guò)來(lái)挾持葉凡一同進(jìn)入太玄派尋找秘術(shù)。" + 
      "在葉凡逃離太玄后姬紫月在孔雀王之亂中被華云飛追殺，又與葉凡[2]相遇，被葉凡護(hù)送回姬家" + 
      "，漸漸對(duì)葉凡產(chǎn)生微妙感情。后成為葉凡的妻子，千載后于飛仙星成仙，在葉凡也進(jìn)入仙路后再見(jiàn)龐博：" + 
      "葉凡大學(xué)時(shí)最好的朋友，壯碩魁偉，直率義氣。到達(dá)北斗星域后因服用了圣果被靈墟洞天作為仙苗，" + 
      "在青帝墳?zāi)固帪榍嗟凼糯鷮O附體離去，肉身被錘煉至四極境界。后葉凡與黑皇鎮(zhèn)壓老妖神識(shí)，" + 
      "龐博重新掌控自己身軀，取得妖帝古經(jīng)和老妖本體祭煉成的青蓮法寶，習(xí)得妖帝九斬和天妖八式，" + 
      "但仍偽裝成老妖留在妖族。出關(guān)后找上葉凡，多次與他共進(jìn)退。星空古路開(kāi)啟后由此離開(kāi)北斗，" + 
      "被葉凡從妖皇墓中救出，得葉凡授予者字秘、一氣化三清，與葉凡同闖試煉古路，一起建設(shè)天庭"; 
  // 屏幕的高度 
  int screenWidth = 0; 
  // 總共可以放多少個(gè)字 
  int count = 0; 
  // textView全部字符的寬度 
  float textTotalWidth = 0.0f; 
  // textView一個(gè)字的寬度 
  float textWidth = 0.0f; 
  Paint paint = new Paint(); 
  @Override 
  public void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 
    tv_right = (TextView) findViewById(R.id.test_tv_right); 
    tv_bottom = (TextView) findViewById(R.id.test_tv_bottom); 
    final ImageView imageView = (ImageView) findViewById(R.id.test_image); 
    imageView.setImageResource(R.drawable.ee); 
    screenWidth = getWindowManager().getDefaultDisplay().getWidth(); 
    /** 
     * 獲取一個(gè)字的寬度 
     */ 
    textWidth = tv_right.getTextSize(); 
    paint.setTextSize(textWidth); 
    /** 
     * 因?yàn)閳D片一開(kāi)始的時(shí)候，高度是測(cè)量不出來(lái)的，通過(guò)增加一個(gè)監(jiān)聽(tīng)器，即可獲取其圖片的高度和長(zhǎng)度 
     */ 
    ViewTreeObserver vto = imageView.getViewTreeObserver(); 
    vto.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() { 
      public boolean onPreDraw() { 
        if (!imageMeasured) { 
          imageMeasured = true; 
          int height = imageView.getMeasuredHeight(); 
          int width = imageView.getMeasuredWidth(); 
          drawImageViewDone(width, height); 
        } 
        return imageMeasured; 
      } 
    }); 
  } 
  private void drawImageViewDone(int width, int height) { 
    // 一行字體的高度 
    int lineHeight = tv_right.getLineHeight(); 
    // 可以放多少行 
    int lineCount = (int) Math.ceil((double) height / (double) lineHeight); 
    // 一行的寬度 
    float rowWidth = screenWidth - width - tv_right.getPaddingLeft() - tv_right.getPaddingRight(); 
    // 一行可以放多少個(gè)字 
    int columnCount = (int) (rowWidth / textWidth); 
    // 總共字體數(shù)等于 行數(shù)*每行個(gè)數(shù) 
    count = lineCount * columnCount; 
    // 一個(gè)TextView中所有字符串的寬度和（字體數(shù)*每個(gè)字的寬度） 
    textTotalWidth = (float) ((float) count * textWidth); 
    measureText(); 
    tv_right.setText(text.substring(0, count)); 
    // 檢查行數(shù)是否大于設(shè)定的行數(shù)，如果大于的話，就每次減少一個(gè)字符，重新計(jì)算行數(shù)與設(shè)定的一致 
    while (tv_right.getLineCount() > lineCount) { 
      count -= 1; 
      tv_right.setText(text.substring(0, count)); 
    } 
    tv_bottom.setPadding(0, lineCount * lineHeight - height, 0, 0); 
    tv_bottom.setText(text.substring(count)); 
  } 
  /** 
   * 測(cè)量已經(jīng)填充的長(zhǎng)度，計(jì)算其剩下的長(zhǎng)度 
   */ 
  private void measureText() { 
    String string = text.substring(0, count); 
    float size = paint.measureText(string); 
    int remainCount = (int) ((textTotalWidth - size) / textWidth); 
    if (remainCount > 0) { 
      count += remainCount; 
      measureText(); 
    } 
  } 
}

<?xml version="1.0" encoding="utf-8"?> 
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android" 
  android:layout_width="fill_parent" 
  android:layout_height="fill_parent" 
  android:orientation="vertical" > 
  <RelativeLayout 
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" > 
    <ImageView 
      android:id="@+id/test_image" 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:scaleType="fitXY" /> 
    <TextView 
      android:id="@+id/test_tv_right" 
      android:layout_width="fill_parent" 
      android:layout_height="wrap_content" 
      android:layout_toRightOf="@id/test_image" 
      android:gravity="fill_horizontal" 
      android:paddingLeft="7dp" 
      android:textSize="16sp" /> 
    <TextView 
      android:id="@+id/test_tv_bottom" 
      android:layout_width="fill_parent" 
      android:layout_height="wrap_content" 
      android:layout_below="@id/test_image" 
      android:gravity="fill_horizontal" 
      android:textSize="16sp" /> 
  </RelativeLayout> 
</ScrollView>