androidstudio中怎么改drawble中圖片的大?。渴褂梦粓D重新繪制位圖BTM1=BitmapFactory.decodeResource文件( Main.this.getResources

androidstudio中怎么改drawble中圖片的大??？

使用位圖重新繪制位圖BTM1=BitmapFactory.decodeResource文件( Main.this.getResources（），右?？衫L制.hh)BitmapDrawablebd1=位可繪制（btm1）imageView.setBackgroundDrawable可設(shè)置（BD1）//單擊bitmapbtm2=位圖.createScaledBitmap（btm1，40，50，false）//自定義bitmapdrawablebd2=bitmapdrawable（btm2）圖像視圖。setbackgrounddrawable（BD2）

android頭像修改后別的ui頭像怎么更新？

首頁(yè)碎片

//必須是靜態(tài)全局變量

public static Boolean isuichange=false//判斷頭像是否已更改

public static bitmap Mimagebitmp=null//頭像位圖

=============== = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = == picdata.getExtras文件（）

如果（額外的！=null）{

位圖照片=額外的getParcelable（“data”）

Drawable Drawable=新的位圖繪制（照片）

//mhaedimage.setbackgrounddrawing可設(shè)置（可繪制）

mimagebitmp=照片mhaedimage.setBitmap文件（照片）mhadeimage.setbackground公司（照片）

isuichange=true

}

}