Android 改变图标原有颜色和搜索框的实例代码

<!-- 
   搜索图标设置 左边 
   android:drawableLeft="@mipmap/icon_search" 
   android:drawablePadding="5dp" 图标和文字的间距 
   右边 
   android:drawableRight="@mipmap/round_close" 
   android:paddingRight="8dp" 
   android:imeOptions="actionSearch" 设置成搜索按钮 
  --> 
  <EditText 
   android:id="@+id/search_text" 
   android:layout_width="0dp" 
   android:layout_weight="1" 
   android:layout_height="30dp" 
   android:hint="输入要搜索的商品" 
   android:background="@drawable/search_gray" 
   android:layout_marginTop="10dp" 
   android:layout_marginLeft="9dp" 
   android:textSize="12sp" 
   android:drawableLeft="@mipmap/icon_search" 
   android:paddingLeft="9dp" 
   android:drawablePadding="5dp" 
   android:drawableRight="@mipmap/round_close" 
   android:paddingRight="8dp" 
   android:imeOptions="actionSearch" 
   android:maxLines="1" 
   android:singleLine="true" 
   /> 

searchText.setOnEditorActionListener(new TextView.OnEditorActionListener() { 
   @Override 
   public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { 
    if ((actionId == 0 || actionId == 3) && event != null) { 
　　　　　　　　　　　　　//提示搜索内容 
     Toast.makeText(SearchActivity.this,searchText.getText().toString(),Toast.LENGTH_LONG).show(); 
     //可以跳转搜索页面 
     /* Intent intent= new Intent(SearchActivity.this,SearchWebViewActivity.class); 
     intent.putExtra("model",model); 
     intent.putExtra("search",searchText.getText().toString()); 
     startActivity(intent); 
     finish();*/ 
    } 
    return false; 
   } 
  }); 

<LinearLayout 
  android:layout_width="match_parent" 
  android:layout_height="wrap_content" 
  android:background="@color/colorPrimary" 
  android:minHeight="45dp" 
  android:orientation="horizontal" 
  android:gravity="center_vertical" 
  > 
  <ImageButton 
   android:id="@+id/home_left_scan" 
   android:layout_width="wrap_content" 
   android:layout_height="wrap_content" 
   android:paddingRight="19dp" 
   android:paddingTop="3dp" 
   android:paddingBottom="3dp" 
   android:paddingLeft="11dp" 
   android:layout_centerVertical="true" 
   android:background="#00000000" 
   /> 
  <com.zhangqie.searchbox.view.DrawableTextView 
   android:id="@+id/home_search" 
   android:layout_width="match_parent" 
   android:layout_height="28dp" 
   android:layout_weight="1" 
   android:background="@drawable/search_view_background" 
   android:gravity="center_vertical" 
   android:maxLines="1" 
   android:text="输入搜索相关内容" 
   android:drawableLeft="@mipmap/icon_search" 
   android:textSize="12sp" 
   android:drawablePadding="11dp" 
   /> 
  <ImageButton 
   android:id="@+id/home_right_more" 
   android:layout_width="wrap_content" 
   android:layout_height="wrap_content" 
   android:layout_centerVertical="true" 
   android:layout_alignParentRight="true" 
   android:paddingRight="15dp" 
   android:paddingTop="3dp" 
   android:paddingBottom="3dp" 
   android:paddingLeft="15dp" 
   android:background="#00000000" 
   /> 
 </LinearLayout> 

public class DrawableTextView extends TextView { 
 public DrawableTextView(Context context, AttributeSet attrs, 
       int defStyle) { 
  super(context, attrs, defStyle); 
 } 
 public DrawableTextView(Context context, AttributeSet attrs) { 
  super(context, attrs); 
 } 
 public DrawableTextView(Context context) { 
  super(context); 
 } 
 @Override 
 protected void onDraw(Canvas canvas) { 
  Drawable[] drawables = getCompoundDrawables(); 
  // 得到drawableLeft设置的drawable对象 
  Drawable leftDrawable = drawables[0]; 
  if (leftDrawable != null) { 
   // 得到leftDrawable的宽度 
   int leftDrawableWidth = leftDrawable.getIntrinsicWidth(); 
   // 得到drawable与text之间的间距 
   int drawablePadding = getCompoundDrawablePadding(); 
   // 得到文本的宽度 
   int textWidth = (int) getPaint().measureText(getText().toString().trim()); 
   int bodyWidth = leftDrawableWidth + drawablePadding + textWidth; 
   canvas.save(); 
   canvas.translate((getWidth() - bodyWidth) / 2, 0); 
  } 
  super.onDraw(canvas); 
 } 
}