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);  } }