在manifest根标签添加:>>>>> android:installLocation="preferExternal"
http://www.cnblogs.com/Lefter/archive/2012/03/07/2383962.html
//7.0以上拍照需要配置以下4行代码 StrictMode.VmPolicy.Builder builder = new StrictMode.VmPolicy.Builder(); StrictMode.setVmPolicy(builder.build()); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) { builder.detectFileUriExposure(); }