android 判断sd卡是否已插入
/** 判断内存卡是否已插入*/
public boolean hasStorage() {
String state = android.os.Environment.getExternalStorageState();
if (android.os.Environment.MEDIA_MOUNTED.equals(state)) {
return true;
}
return false;
}
记得权限
<uses-permission android:name=”android.permission.WRITE_EXTERNAL_STORAGE”/>
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